CN103236996B - A kind of signal processing method and relevant apparatus - Google Patents
A kind of signal processing method and relevant apparatus Download PDFInfo
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- CN103236996B CN103236996B CN201310058243.6A CN201310058243A CN103236996B CN 103236996 B CN103236996 B CN 103236996B CN 201310058243 A CN201310058243 A CN 201310058243A CN 103236996 B CN103236996 B CN 103236996B
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Abstract
Present embodiments provide a kind of signal processing method and relevant apparatus, by carrying out frequency separation to input signal, obtain several single frequency point signals, with the first signal according to the centre frequency for including the target single frequency point signal in several single frequency point signals, generate control signal, triggering and conducting frequency passage corresponding with target single frequency point signal, to export target single frequency point signal, and then target single frequency point signal can be selected from several single frequency point signals, so that the target single frequency point signal is isolated with other to the single frequency point signal that the target single frequency point signal has interference effect, and then before carrying out handling the target single frequency point signal, eliminate the need for the interaction of target single frequency point signal and other interference signals, inhibit interference of the interference signal to target single frequency point signal, the restricted problem that signal anti-interference process effect is disturbed environment is solved simply and at low cost, further increase jamproof performance.
Description
Technical field
The application is related to field of signal processing, and in particular to a kind of signal processing method and relevant apparatus.
Background technology
At present, it can be expired by setting large volumes of channels or improving the mode such as channel capacity or optimization channel coding method
Sufficient user is to mass data and the transmission demand of information, however, necessarily aggravating the interference between signal when setting large volumes of channels.
Currently, solving the interference between signal mainly has two kinds of technologies, and a kind of technology is to set traditional type tuner（Can
Tuner）, using Can Tuner high linearity advantage, Can Tuner antijamming capability is improved as far as possible, and then improve signal
Transmission quality.However, setting Can Tuner to need high cost to be just achieved anti-jamming effectiveness, and only pass through Can Tuner
It is difficult to the interference for overcoming diversified interference signal to echo signal, causes the use scope of the Anti-Jamming Technique to be limited
System.Another technology is that during subsequently using demodulator processes signal, different demodulation is passed through for different signals
Mode carries out a large amount of and complicated information processings, and this technology not only handles cumbersome, and for different signals and place
In the system of disturbance environment, early stage needs substantial amounts of ambient parameter collection and verified, further increases solution anti-interference
The problem of difficulty, and may also be bandwidth and channel quantity more three beat distortions of combination and combination produced between multiple signals
The problem of second beat distortion so that antijamming capability is limited.
The content of the invention
The purpose of the application is to provide a kind of information processing method and relevant apparatus, realizes and setting large volumes of channels feelings
The echo signal of strong antijamming capability is exported under condition.
In view of the above-mentioned problems of the prior art, the application first aspect provides a kind of signal processing method, including：
Frequency separation is carried out to input signal, several single frequency point signals are obtained, wherein, several described single frequency point signals
In each single frequency point signal pass band width it is identical with predetermined passband bandwidth, every two in several described single frequency point signals
The spacing of the centre frequency of individual adjacent single frequency point signal is identical with the predetermined passband bandwidth；
The first signal is received, first signal includes the target single frequency point signal in several described single frequency point signals
Centre frequency；
According to the first signal generation control signal, the control signal is used for triggering and conducting and the target single-frequency point
The corresponding frequency passage of signal；
The control signal is responded, frequency passage corresponding with the target single frequency point signal is turned on；
The target single frequency point signal is exported by the frequency passage corresponding with the target single frequency point signal.
It is described that frequency is carried out to input signal with reference to the application's in a first aspect, in the first possible implementation
Separation, obtains several single frequency point signals, including：
Frequency separation is carried out to input signal by bandpass filter group circuit, several single frequency point signals are obtained.
First aspect with reference to the application or the possible implementation of the first based on first aspect, can at second
In the implementation of energy, the response control signal turns on frequency passage corresponding with the target single frequency point signal, bag
Include：
The control signal is responded, the centre frequency of one bandpass filter of regulation is the center of the target single frequency point signal
Frequency；
And, the pass band width of the bandpass filter is set as the predetermined passband bandwidth, with by adjusting the band
Bandpass filter turns on frequency passage corresponding with the target single frequency point signal.
First aspect with reference to the application or the possible implementation of the first based on first aspect, can at the third
In the implementation of energy, the response control signal turns on frequency passage corresponding with the target single frequency point signal, bag
Include：
Respond the control signal, disconnect in addition to the corresponding frequency passage of the target single frequency point signal with institute
State the corresponding frequency passage of each single frequency point signal in several single frequency point signals；
And, the frequency passage corresponding with the target single frequency point signal is opened, to turn on and the target single-frequency
The corresponding frequency passage of point signal.
The second aspect of the application provides a kind of signal processing apparatus, including：
Frequency separative element, for carrying out frequency separation to input signal, obtains several single frequency point signals, wherein, institute
The pass band width for stating each single frequency point signal in several single frequency point signals is identical with predetermined passband bandwidth, it is described several
The spacing of the centre frequency of the adjacent single frequency point signal of each two in single frequency point signal is identical with the predetermined passband bandwidth；
And also include, receiving unit, for receiving the first signal, first signal includes several described single-frequency points
The centre frequency of a target single frequency point signal in signal；
Control unit, for according to the first signal generation control signal, the control signal be used for triggering and conducting with
The corresponding frequency passage of the target single frequency point signal；
Processing unit, for responding the control signal, turns on frequency passage corresponding with the target single frequency point signal；
Output unit, for exporting the target list by the frequency passage corresponding with the target single frequency point signal
Frequency signal.
With reference to second aspect, in the first possible implementation, the frequency separative element includes bandpass filter
Group circuit, for carrying out frequency separation to input signal, obtains several single frequency point signals.
The first possible implementation with reference to second aspect or based on second aspect, in second of possible realization
In mode, the processing unit includes bandpass filter, and the bandpass filter is adjusted specifically for responding the control signal
Centre frequency be the target single frequency point signal centre frequency；
And, for setting the pass band width of the bandpass filter as the predetermined passband bandwidth, with by adjusting
State bandpass filter and turn on frequency passage corresponding with the target single frequency point signal.
The first possible implementation with reference to second aspect or based on second aspect, in the third possible realization
In mode, the processing unit includes ON-OFF control circuit, for responding the control signal, disconnects and removes the target single-frequency point
It is corresponding with each single frequency point signal in several described single frequency point signals outside the corresponding frequency passage of signal
Frequency passage；
And, for opening the frequency passage corresponding with the target single frequency point signal, to turn on and the target
The corresponding frequency passage of single frequency point signal.
The third aspect of the application provides a kind of signal handling equipment, including second aspect or appointing based on second aspect
The signal processing apparatus that a kind of possible implementation is provided, in addition to tuner, the tuner are used to receive the letter
The target single frequency point signal that number processing unit is exported by frequency passage corresponding with target single frequency point signal, and be used for
The target single frequency point signal is tuned, to export the down-conversion signal after tuning.
With reference to the third aspect, in the first possible implementation, signal handling equipment also includes demodulator, for sending out
The first signal is sent to the signal processing apparatus, and for receiving the lower change after tuning that the tuner is sent
Frequency signal；
Or, adjusted for sending the first signal to the signal processing apparatus, and for sending the first signal to described
Humorous device, so that the tuner knows the centre frequency of target single frequency point signal, and for receiving the tuner transmission
The down-conversion signal after tuning.
The present embodiment obtains several single frequency point signals by carrying out frequency separation to input signal, with according to including institute
The first signal of the centre frequency of a target single frequency point signal in several single frequency point signals is stated, control signal, triggering is generated
Corresponding with the target single frequency point signal frequency passage of conducting, to export the target single frequency point signal, and if then can be from
Target single frequency point signal is selected in dry single frequency point signal so that the target single frequency point signal is believed the target single-frequency point with other
Number single frequency point signal that there is interference effect is isolated, without considering interference effect of the external interference environment to echo signal,
Subsequent treatment is carried out with the target single frequency point signal to selected output, so handle the target single frequency point signal it
Before, eliminate the need for the interaction of target single frequency point signal and other interference signals, it is suppressed that interference signal is to target single-frequency point
The harmonic wave interference of signal and solve the problem of three beat distortions of combination and combination second beat distortion, simple and low cost
Ground solves the restricted problem that signal anti-interference process effect is disturbed environment, further increases jamproof performance.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the present application, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of signal processing method flow chart that the embodiment of the present application is provided；
Fig. 2 is a kind of signal processing apparatus structural representation that the embodiment of the present application is provided；
Fig. 3 is a kind of structural representation for signal handling equipment that the embodiment of the present application is provided；
Fig. 4 is the structural representation for another signal handling equipment that the embodiment of the present application is provided.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the application protection.
The embodiment of the present application provides a kind of letter signal processing method and relevant apparatus, realizes and is setting large volumes of channels situation
The echo signal of lower output strong antijamming capability.It is described in detail individually below.
Referring to Fig. 1, Fig. 1 is a kind of signal processing method flow chart that the embodiment of the present application is provided.The present embodiment is provided
Signal processing method method executive agent be set to a signal processing device be described.As shown in figure 1, signal transacting side
The step of method, is as follows：
S101, carries out frequency separation to input signal, obtains several single frequency point signals.
Wherein, the pass band width of each single frequency point signal in several single frequency point signals and predetermined passband bandwidth phase
Together, the spacing and predetermined passband bandwidth phase of the centre frequency of the adjacent single frequency point signal of each two in several single frequency point signals
Together.
As an alternative embodiment, carrying out frequency separation to input signal, several single frequency point signals are obtained, are had
Body comprises the following steps：
Frequency separation is carried out to input signal by bandpass filter group circuit, several single frequency point signals are obtained.Set
Bandpass filter group circuit is put, the bandpass filter group circuit includes several wave filters, input signal passes through the bandpass filtering
After device group circuit, single frequency point signal corresponding with each wave filter in several above-mentioned wave filters can be obtained.For band logical
It is a pass band width very wide broadband filter for filter bank circuit, but for the bandpass filtering of each passage
Device is a Q value very big narrow band filter.The passband band of each wave filter in several above-mentioned wave filters can be set
It is wide identical with predetermined passband bandwidth, and each two pass band width in non-overlapping copies, and several above-mentioned wave filters is adjacent
The spacing of the centre frequency of wave filter is identical with predetermined passband bandwidth.Input signal can then be entered by the filter bank circuit
Line frequency point is separated, and obtains several single frequency point signals, then the passband of each single frequency point signal in several single frequency point signals
Bandwidth is identical with predetermined passband bandwidth, the centre frequency of the adjacent single frequency point signal of each two in several single frequency point signals
Spacing is identical with predetermined passband bandwidth.By setting filter bank circuit, export and export using the multichannel of wave filter group
Signal centre frequency be centrifugal pump characteristic, can conveniently obtain several single frequency point signals, and implementation cost is low.
Optionally, bandpass filter group circuit can be controlled by single-chip microcomputer, in bandpass filter group circuit
Each wave filter carry out parameter regulation, flexibly to set the value of pre-set bandwidths and the scope of centre frequency selected,
So that the signal processing apparatus for being provided with the filter bank circuit can apply to a variety of environment, realize that the signal processing apparatus is fitted
Signal transacting should be carried out in disturbance environment.
S102, receives the first signal, and the first signal includes the target single frequency point signal in several single frequency point signals
Centre frequency.
As a kind of specific embodiment, the first signal of demodulator transmission can be received, specifically can be total by ICC
Line or SPI communications protocol receive the first signal, and first signal is used for the class for the target single frequency point signal for notifying system to need
Type, specifically can by the centre frequency unique mark single frequency point signal of single frequency point signal, and then by including it is above-mentioned several
The centre frequency of a target single frequency point signal in single frequency point signal, confirms the type for the target single frequency point signal that system needs.
Further, it is possible to make demodulator send the first signal to said signal processing device while, can also send the first signal to
Tuner, so that tuner knows that tuner needs the type of single frequency point signal to be processed.What demodulator can give from standard
The parameter of target single frequency point signal is obtained in the range of bin width, the parameter can include the center frequency of target single frequency point signal
Rate, and then send the first signal of the centre frequency for including target single frequency point signal to said signal processing device or while send out
To tuner, the anti-interference letter for needing to obtain and lock with notification signal processing unit or tuner or signal processing system
Number be the target single frequency point signal.Specifically, effective band can be got by band search unit searches, given as standard
Fixed bin width scope, so that demodulator obtains the ginseng of target single frequency point signal in the range of the bin width that the standard gives
Number.
S103, according to the first signal generation control signal, control signal is used for triggering and conducting and target single frequency point signal pair
The frequency passage answered.
S104, responsive control signal turns on frequency passage corresponding with target single frequency point signal.
As an alternative embodiment, responsive control signal, turns on frequency corresponding with target single frequency point signal and leads to
Road, including：
Responsive control signal, the centre frequency of one bandpass filter of regulation is the centre frequency of target single frequency point signal；
And, the pass band width of bandpass filter is set as predetermined passband bandwidth, to be turned on by adjusting bandpass filter
Frequency passage corresponding with target single frequency point signal.
The present embodiment is by setting a variable band-pass filter, responsive control signal, with according to target single frequency point signal
The centre frequency and pass band width of centre frequency and predetermined passband the bandwidth adjustment variable band-pass filter, so that target single-frequency point
Signal can by through response the control signal and the variable band-pass filter that adjust, and the variable band-pass filter can be with
The centre frequency for preventing signal in several single frequency point signals is not the single-frequency point letter of the centre frequency of the variable band-pass filter
Number, and then respond after the control signal, the only target single frequency point signal of variable band-pass filter output is further inexpensive
The harmonic wave interference isolated non-targeted single frequency point signal, eliminated caused by target single frequency point signal and other single frequency point signals
And the problem of three beat distortions of combination and combination second beat distortion is solved, improve the anti-interference of signal processing apparatus
Ability.
As an alternative embodiment, responsive control signal, turns on frequency corresponding with target single frequency point signal and leads to
Road, including：
Responsive control signal, disconnects believing with several single-frequency points in addition to the corresponding frequency passage of target single frequency point signal
The corresponding frequency passage of each single frequency point signal in number；
And, frequency passage corresponding with target single frequency point signal is opened, it is corresponding with target single frequency point signal to turn on
Frequency passage.
Specifically, single-frequency point corresponding with the wave filter can be passed through for each wave filter in filter bank circuit
Signal, thus a switch can be set for the corresponding frequency passage of each wave filter, to control respective filter output letter
Number or not output signal, and then by disconnect in addition to the corresponding frequency passage of target single frequency point signal with several single-frequency
The switch of the corresponding frequency passage of each single frequency point signal in point signal, the corresponding frequency of target single frequency point signal is removed to disconnect
Frequency passage corresponding with each single frequency point signal in several single frequency point signals outside point passage.
And, frequency passage corresponding with target single frequency point signal is opened, it is corresponding with target single frequency point signal to turn on
The switch of frequency passage, to open frequency passage corresponding with target single frequency point signal, to turn on and target single frequency point signal pair
The frequency passage answered.And then, target single frequency point signal can be made by the frequency passage corresponding with target single frequency point signal, and
Because the switch of frequency passage corresponding with the non-targeted single frequency point signal is to disconnect, so further target single-frequency point is believed
Number isolated with non-targeted single frequency point signal, eliminate target single frequency point signal and the harmonic wave caused by other single frequency point signals
The problem of disturbing and solve three beat distortions of combination and combination second beat distortion, improves the anti-of signal processing apparatus
Interference performance.
S105, target single frequency point signal is exported by frequency passage corresponding with target single frequency point signal.
Specifically target single frequency point signal can be exported by frequency passage corresponding with target single frequency point signal and refer to tuning
Device, so that the down-conversion signal after being tuned is further processed to the target single frequency point signal in tuner, by tuning
Device sends the down-conversion signal after tuner tuning to demodulator, so that demodulator obtains signal strong antijamming capability
Tuning signal.
The present embodiment obtains several single frequency point signals by carrying out frequency separation to input signal, if being included with basis
First signal of the centre frequency of the target single frequency point signal in dry single frequency point signal, generates control signal, triggering and conducting
Frequency passage corresponding with target single frequency point signal, to export target single frequency point signal, and then can believe from several single-frequency points
Target single frequency point signal is selected in number so that the target single frequency point signal has interference to the target single frequency point signal with other and made
Single frequency point signal is isolated, without considering interference effect of the external interference environment to echo signal, with to selected output
The target single frequency point signal carry out subsequent treatment, and then carry out handle the target single frequency point signal before, eliminate the need for mesh
Mark the interaction of single frequency point signal and other interference signals, it is suppressed that harmonic wave interference of the interference signal to target single frequency point signal
And the problem of three beat distortions of combination and combination second beat distortion is solved, signal is solved simply and at low cost to be resisted
Interference treatment effect is disturbed the restricted problem of environment, further increases jamproof performance.
Fig. 2 is referred to, Fig. 2 is a kind of signal processing apparatus structural representation that the embodiment of the present application is provided.The present embodiment
The signal processing apparatus of offer is corresponding with the above-mentioned signal processing method based on Fig. 1 descriptions.As shown in Fig. 2 this implementation
The signal processing apparatus that example is provided includes：Frequency separative element 21, receiving unit 22, control unit 23, processing unit 24 and defeated
Go out unit 25.
Wherein, the connected mode of unit and the operation principle of signal processing apparatus are as follows.
Frequency separative element 21, for carrying out frequency separation to input signal, obtains several single frequency point signals, wherein,
The pass band width of each single frequency point signal in several single frequency point signals is identical with predetermined passband bandwidth, several single-frequency points
The spacing of the centre frequency of the adjacent single frequency point signal of each two in signal is identical with predetermined passband bandwidth.
Receiving unit 22, for receiving the first signal, the first signal includes the target list in several single frequency point signals
The centre frequency of frequency signal.
As a kind of specific embodiment, receiving unit 22 can receive the first signal of demodulator transmission, and this first
Signal is used for the type for the target single frequency point signal for notifying system to need, specifically can be by the centre frequency of single frequency point signal only
One mark single frequency point signal, and then pass through the center frequency including the target single frequency point signal in several above-mentioned single frequency point signals
Rate, confirms the type for the target single frequency point signal that system needs.Further, it is possible to make demodulator send the first signal to above-mentioned letter
While number processing unit, the first signal can also be sent to tuner, so that tuner knows that tuner needs list to be processed
The type of frequency signal.Demodulator can obtain the parameter of target single frequency point signal in the range of the bin width that standard gives,
The parameter can include the centre frequency of target single frequency point signal, and then send the centre frequency for including target single frequency point signal
First signal issues tuner to said signal processing device or simultaneously, with notification signal processing unit or tuner or
The anti-jamming signal that signal processing system needs to obtain and locked is the target single frequency point signal.Specifically, frequency band can be passed through
Search unit search gets effective band, the bin width scope given as standard, so that demodulator is given from the standard
Bin width in the range of obtain target single frequency point signal parameter.
Control unit 23, for according to the first signal generation control signal, control signal to be used for triggering and conducting and target list
The corresponding frequency passage of frequency signal.
Processing unit 24, for responsive control signal, turns on frequency passage corresponding with target single frequency point signal.
Output unit 25, for exporting target single frequency point signal by frequency passage corresponding with target single frequency point signal.
Specific output unit 25 can export target single-frequency point by frequency passage corresponding with target single frequency point signal
Signal refers to tuner, so that tuner the target single frequency point signal is further processed the letter of the down coversion after being tuned
Number, the down-conversion signal after tuner tuning is sent to demodulator by tuner, signal is anti-to be done so that demodulator is obtained
Disturb the strong tuning signal of ability.
The present embodiment carries out frequency separation by frequency separative element 21 to input signal, obtains several single-frequency points letter
Number, with the centre frequency for including the target single frequency point signal in several single frequency point signals received according to receiving unit 22
The first signal so that control unit 23 generate control signal, triggering processing unit 24 conducting it is corresponding with target single frequency point signal
Frequency passage, to export target single frequency point signal by output unit 25, and then can be selected from several single frequency point signals
Go out target single frequency point signal so that the target single frequency point signal has the list of interference effect with other to the target single frequency point signal
Frequency signal is isolated, without considering interference effect of the external interference environment to echo signal, with the mesh to selected output
Mark single frequency point signal and carry out subsequent treatment, and then before carrying out handling the target single frequency point signal, eliminate the need for target single-frequency
Point signal and the interaction of other interference signals, it is suppressed that harmonic wave interference and solution of the interference signal to target single frequency point signal
The problem of three beat distortions of combination determined with second beat distortion is combined, solves the anti-interference place of signal simply and at low cost
Reason effect is disturbed the restricted problem of environment, further increases jamproof performance.
As an alternative embodiment, frequency separative element includes bandpass filter group circuit, for believing input
Number carry out frequency separation, obtain several single frequency point signals.
Bandpass filter group circuit is set, and the bandpass filter group circuit includes several wave filters, and input signal is led to
Cross after the bandpass filter group circuit, single-frequency point letter corresponding with each wave filter in several above-mentioned wave filters can be obtained
Number.It is a pass band width very wide broadband filter for bandpass filter group circuit, but for each passage
Bandpass filter be a Q value very big narrow band filter.Each filtering in several above-mentioned wave filters can be set
The pass band width of device is identical with predetermined passband bandwidth, and non-overlapping copies, and each two passband in several above-mentioned wave filters
The spacing of the centre frequency of the adjacent wave filter of bandwidth is identical with predetermined passband bandwidth.The filter bank circuit pair can then be passed through
Input signal carries out frequency separation, obtains several single frequency point signals, then each single-frequency point in several single frequency point signals
The pass band width of signal is identical with predetermined passband bandwidth, the adjacent single frequency point signal of each two in several single frequency point signals
The spacing of centre frequency is identical with predetermined passband bandwidth.It is defeated using the multichannel of wave filter group by setting filter bank circuit
The centre frequency for the signal for going out and exporting is the characteristic of centrifugal pump, can conveniently obtain several single frequency point signals, and implement
Cost is low.
Optionally, frequency separative element includes bandpass filter group circuit and processor of single chip computer, is handled by single-chip microcomputer,
For being controlled to bandpass filter group circuit, parameter tune is carried out to each wave filter in bandpass filter group circuit
Section, flexibly to set the value of pre-set bandwidths and select the scope of centre frequency so that be provided with wave filter group electricity
The signal processing apparatus on road can apply to a variety of environment, realizes that the signal processing apparatus is adapted in disturbance environment and carries out
Signal transacting.
As an alternative embodiment, processing unit includes bandpass filter, adjusted specifically for responsive control signal
The centre frequency for saving bandpass filter is the centre frequency of target single frequency point signal；
And, for setting the pass band width of bandpass filter as predetermined passband bandwidth, with by adjusting bandpass filter
Conducting frequency passage corresponding with target single frequency point signal.
The present embodiment is by setting a variable band-pass filter, responsive control signal, with according to target single frequency point signal
The centre frequency and pass band width of centre frequency and predetermined passband the bandwidth adjustment variable band-pass filter, so that target single-frequency point
Signal can by through response the control signal and the variable band-pass filter that adjust, and the variable band-pass filter can be with
The centre frequency for preventing signal in several single frequency point signals is not the single-frequency point letter of the centre frequency of the variable band-pass filter
Number, and then respond after the control signal, the only target single frequency point signal of variable band-pass filter output is further inexpensive
The harmonic wave interference isolated non-targeted single frequency point signal, eliminated caused by target single frequency point signal and other single frequency point signals
And the problem of three beat distortions of combination and combination second beat distortion is solved, improve the anti-interference of signal processing apparatus
Ability.
As an alternative embodiment, processing unit includes ON-OFF control circuit, for responsive control signal, disconnect
In addition to the corresponding frequency passage of target single frequency point signal with each single frequency point signal pair in several single frequency point signals
The frequency passage answered；
And, for opening frequency passage corresponding with target single frequency point signal, to turn on and target single frequency point signal pair
The frequency passage answered.
Specifically, ON-OFF control circuit includes switch controller and several are switched, for every in filter bank circuit
One wave filter can be by single frequency point signal corresponding with the wave filter, thus can be the corresponding frequency of each wave filter
One switch of passage setting, to be switched on-off by the way that switch controller control is corresponding with frequency passage, and then is controlled with being somebody's turn to do
The corresponding filter output signal of switch or non-output signal, and then disconnected by switch controller control except target single-frequency
Frequency corresponding with each single frequency point signal in several single frequency point signals outside the corresponding frequency passage of point signal leads to
The switch in road, with disconnect in addition to the corresponding frequency passage of target single frequency point signal with it is each in several single frequency point signals
The corresponding frequency passage of individual single frequency point signal.
And, frequency passage corresponding with target single frequency point signal is opened by switch controller control, with conducting and mesh
The switch of the corresponding frequency passage of single frequency point signal is marked, to open frequency passage corresponding with target single frequency point signal, to turn on
Frequency passage corresponding with target single frequency point signal.And then, target single frequency point signal can be made to believe by this with target single-frequency point
Number corresponding frequency passage, and because the switch of frequency passage corresponding with the non-targeted single frequency point signal is to disconnect, so
Further target single frequency point signal is isolated with non-targeted single frequency point signal, target single frequency point signal and other lists is eliminated
Harmonic wave interference caused by frequency signal and the problem of three beat distortions of combination and combination second beat distortion is solved, carried
The high antijamming capability of signal processing apparatus.
Fig. 3 is referred to, Fig. 3 is a kind of structural representation for signal handling equipment that the embodiment of the present application is provided.Such as Fig. 3 institutes
Show, the signal handling equipment that the present embodiment is provided is included based on the signal processing apparatus 31 shown in Fig. 2, in addition to tuner 32,
Tuner is used to receive the target single-frequency point that signal processing apparatus is exported by frequency passage corresponding with target single frequency point signal
Signal, and for the down-conversion signal after being tuned to be further processed to the target single frequency point signal, by tuning
Device sends the down-conversion signal after tuner tuning to demodulator, so that demodulator obtains signal strong antijamming capability
Tuning signal.The explanation of specific signal processing apparatus refers to the description based on Fig. 2, and based on the signal shown in Fig. 2 at
The explanation of the optional embodiment of correlation of device is managed, be will not be repeated here.
Fig. 4 is referred to, Fig. 4 is the structural representation for another signal handling equipment that the embodiment of the present application is provided.Such as Fig. 4
Shown, the signal handling equipment that the present embodiment is provided is included based on the signal processing apparatus 41 shown in Fig. 2, in addition to tuner 42
With demodulator 43.The explanation of specific signal processing apparatus refers to the description based on Fig. 2, and based on the signal shown in Fig. 2
The explanation of the optional embodiment of correlation of processing unit, will not be repeated here.
Wherein, tuner 42 passes through frequency passage corresponding with target single frequency point signal for receiving signal processing apparatus 41
The target single frequency point signal of output.And for exporting target single-frequency point by frequency passage corresponding with target single frequency point signal
Signal refers to tuner, so that tuner the target single frequency point signal is further processed the letter of the down coversion after being tuned
Number, the down-conversion signal after tuner tuning is sent to demodulator by tuner, signal is anti-to be done so that demodulator is obtained
Disturb the strong tuning signal of ability.
Demodulator 43, for sending the first signal to signal processing apparatus 41；And for receiving the tune of tuner transmission
Humorous signal；
Or, for sending the first signal to signal processing apparatus 41, and for sending the first signal to tuner 42,
So that tuner 42 knows the centre frequency of target single frequency point signal, and for receiving the tuning signal of tuner transmission.
In summary, the present embodiment obtains several single frequency point signals, with root by carrying out frequency separation to input signal
According to the first signal of the centre frequency including the target single frequency point signal in several single frequency point signals, control signal is generated,
Triggering and conducting frequency passage corresponding with target single frequency point signal, to export target single frequency point signal, and then can be from several
Target single frequency point signal is selected in single frequency point signal so that the target single frequency point signal is deposited with other to the target single frequency point signal
Isolated in the single frequency point signal of interference effect, without considering interference effect of the external interference environment to echo signal, with right
The target single frequency point signal of selected output carries out subsequent treatment, and then before carrying out handling the target single frequency point signal, just
Eliminate the interaction of target single frequency point signal and other interference signals, it is suppressed that interference signal is to target single frequency point signal
Harmonic wave interference and solve combination three beat distortions and combination second beat distortion the problem of, solve simply and at low cost
Signal anti-interference process effect is disturbed the restricted problem of environment, further increases jamproof performance.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Flash disk, read-only storage（Read-Only Memory, ROM）, random access device（Random Access
Memory, RAM）, disk or CD etc..
The information issuing method and equipment that are there is provided above the embodiment of the present application, system are described in detail, herein
In apply specific case the principle and embodiment of the application be set forth, the explanation of above example is only intended to side
Assistant solves the present processes and its core concept；Simultaneously for those of ordinary skill in the art, the think of according to the application
Think, will change in specific embodiments and applications, in summary, this specification content should not be construed as pair
The limitation of the application.
Claims (8)
1. a kind of signal processing method, it is characterised in that including：
Frequency separation is carried out to input signal, several single frequency point signals are obtained, wherein, in several described single frequency point signals
The pass band width of each single frequency point signal is identical with predetermined passband bandwidth, each two phase in several described single frequency point signals
The spacing of the centre frequency of adjacent single frequency point signal is identical with the predetermined passband bandwidth；
The first signal is received, first signal is included in the target single frequency point signal in several described single frequency point signals
Frequency of heart；
According to the first signal generation control signal, the control signal is used for triggering and conducting and the target single frequency point signal
Corresponding frequency passage；
The control signal is responded, frequency passage corresponding with the target single frequency point signal is turned on；
The target single frequency point signal is exported by the frequency passage corresponding with the target single frequency point signal；
Wherein, it is described that frequency separation is carried out to input signal, several single frequency point signals are obtained, including：
Frequency separation is carried out to input signal by bandpass filter group circuit, several single frequency point signals, the band logical is obtained
Filter bank circuit includes several wave filters, the pass band width of each wave filter it is identical with predetermined passband bandwidth and it is mutual not
Overlapping, the spacing of the centre frequency of the adjacent wave filter of each two pass band width is identical with the predetermined passband bandwidth, institute
The parameter for stating each wave filter in bandpass filter group circuit is adjusted by single-chip microcomputer.
2. signal processing method as claimed in claim 1, it is characterised in that the response control signal, conducting and institute
The corresponding frequency passage of target single frequency point signal is stated, including：
The control signal is responded, the centre frequency of one bandpass filter of regulation is the center frequency of the target single frequency point signal
Rate；
And, the pass band width of the bandpass filter is set as the predetermined passband bandwidth, to be filtered by adjusting the band logical
Ripple device turns on frequency passage corresponding with the target single frequency point signal.
3. signal processing method as claimed in claim 1, it is characterised in that the response control signal, conducting and institute
The corresponding frequency passage of target single frequency point signal is stated, including：
Respond the control signal, if disconnect in addition to the corresponding frequency passage of the target single frequency point signal with it is described
The corresponding frequency passage of each single frequency point signal in dry single frequency point signal；
And, the frequency passage corresponding with the target single frequency point signal is opened, is believed with turning on the target single-frequency point
Number corresponding frequency passage.
4. a kind of signal processing apparatus, it is characterised in that including：
Frequency separative element, for carrying out frequency separation to input signal, obtains several single frequency point signals, wherein, if described
The pass band width of each single frequency point signal in dry single frequency point signal is identical with predetermined passband bandwidth, several described single-frequency
The spacing of the centre frequency of the adjacent single frequency point signal of each two in point signal is identical with the predetermined passband bandwidth；
And also include, receiving unit, for receiving the first signal, first signal includes several described single frequency point signals
In a target single frequency point signal centre frequency；
Control unit, for according to the first signal generation control signal, the control signal be used for triggering and conducting with it is described
The corresponding frequency passage of target single frequency point signal；
Processing unit, for responding the control signal, turns on frequency passage corresponding with the target single frequency point signal；
Output unit, for exporting the target single-frequency point by the frequency passage corresponding with the target single frequency point signal
Signal；
Wherein, the frequency separative element includes bandpass filter group circuit and processor of single chip computer, the bandpass filter group
Circuit is used to carry out frequency separation to input signal, obtains several single frequency point signals, the pass band width of each wave filter
The identical and non-overlapping copies with predetermined passband bandwidth, the spacing of the centre frequency of the adjacent wave filter of each two pass band width with
The predetermined passband bandwidth is identical, and the processor of single chip computer is used for each wave filter in the bandpass filter group circuit
Carry out parameter regulation.
5. signal processing apparatus as claimed in claim 4, it is characterised in that the processing unit includes bandpass filter, tool
Body is used to respond center of the centre frequency of the control signal regulation bandpass filter for the target single frequency point signal
Frequency；
And, for setting the pass band width of the bandpass filter as the predetermined passband bandwidth, with by adjusting the band
Bandpass filter turns on frequency passage corresponding with the target single frequency point signal.
6. signal processing apparatus as claimed in claim 4, it is characterised in that the processing unit includes ON-OFF control circuit,
For responding the control signal, if disconnect in addition to the corresponding frequency passage of the target single frequency point signal with it is described
The corresponding frequency passage of each single frequency point signal in dry single frequency point signal；
And, for opening the frequency passage corresponding with the target single frequency point signal, to turn on and the target single-frequency
The corresponding frequency passage of point signal.
7. a kind of signal handling equipment, it is characterised in that including the signal processing apparatus as described in any in claim 5 to 6,
Also include tuner, the tuner passes through frequency corresponding with target single frequency point signal for receiving the signal processing apparatus
The target single frequency point signal of passage output, and for being tuned to the target single frequency point signal, to export process
Down-conversion signal after tuning.
8. signal handling equipment as claimed in claim 7, it is characterised in that also including demodulator, for sending the first signal
To the signal processing apparatus, and for receiving the down-conversion signal after tuning that the tuner is sent；
Or, for sending the first signal to the signal processing apparatus, and for sending the first signal to the tuner,
So that the tuner knows the centre frequency of target single frequency point signal, and for receiving the warp that the tuner is sent
The down-conversion signal crossed after tuning.
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| CN109039497B (en) * | 2017-06-09 | 2021-08-17 | 中兴通讯股份有限公司 | Single-frequency signal combination distribution method, data transmitting method, receiving method and equipment |
| CN108693524A (en) * | 2017-12-06 | 2018-10-23 | 深圳大学 | Multiple mobile object matching process based on Modulation Continuous Wave Radar and its system |
| CN108322236B (en) * | 2018-01-30 | 2019-10-01 | Oppo广东移动通信有限公司 | Control the method and relevant device of radiation dispersion |
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| CN101155161A (en) * | 2006-09-30 | 2008-04-02 | 中国科学院空间科学与应用研究中心 | Intermediate-frequency demodulator adapting to multi-code velocity and having multiple demodulation modes |
| CN201298058Y (en) * | 2008-10-30 | 2009-08-26 | 武汉大学 | High integration density programmed filter analysis device based on field programmable gate array (FPGA) |
| CN201904779U (en) * | 2010-12-24 | 2011-07-20 | 北京航天测控技术有限公司 | SPSP device |
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| US6895248B1 (en) * | 1998-06-02 | 2005-05-17 | The Board Of Trustees Of The Leland Stanford Junior University | Dynamic resource allocation and media access control for a wireless ATM network |
| CN100364243C (en) * | 2006-01-13 | 2008-01-23 | 北京天碁科技有限公司 | Receiver, transmitting device and communication system |
| CN1960554A (en) * | 2006-11-17 | 2007-05-09 | 北京天碁科技有限公司 | Device and method capable of detecting and receiving multicarrier jointly |
| US20090323574A1 (en) * | 2007-04-27 | 2009-12-31 | Nokia Corporation | System and method for providing efficient control transmission for single frequency network-based broadcasting or multicasting |
| CN102223223B (en) * | 2011-06-27 | 2018-02-02 | 深圳市中兴微电子技术有限公司 | The method of reseptance and device of multi-carrier signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101155161A (en) * | 2006-09-30 | 2008-04-02 | 中国科学院空间科学与应用研究中心 | Intermediate-frequency demodulator adapting to multi-code velocity and having multiple demodulation modes |
| CN201298058Y (en) * | 2008-10-30 | 2009-08-26 | 武汉大学 | High integration density programmed filter analysis device based on field programmable gate array (FPGA) |
| CN201904779U (en) * | 2010-12-24 | 2011-07-20 | 北京航天测控技术有限公司 | SPSP device |
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