CN107121678A - Radar - Google Patents
Radar Download PDFInfo
- Publication number
- CN107121678A CN107121678A CN201710335897.7A CN201710335897A CN107121678A CN 107121678 A CN107121678 A CN 107121678A CN 201710335897 A CN201710335897 A CN 201710335897A CN 107121678 A CN107121678 A CN 107121678A
- Authority
- CN
- China
- Prior art keywords
- receiver
- radar
- module
- signal
- transmitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention discloses radar, including:Receiver, transmitter and mark effect module are all arranged on base (1), rotary joint (3) is arranged at the lower section of base (1) so that so that base (1) can be rotated freely, pitching joint (2) are arranged at the link position with lower component and base (1):Receiver, transmitter and mark effect module, to enable receiver, transmitter and mark to imitate the free pitch regulation of module, one end of receiver corresponds to transmitter, and the other end of receiver is electrically connected to mark effect module.It is single that the radar overcomes radar arrangement of the prior art, it is impossible to moves, the problem of can not also realizing mark effect, realizes regulation and the mark effect of radar.
Description
Technical field
The present invention relates to radar.
Background technology
Weather radar is as a kind of important detection means of meteorological observation, and its echo strength Z is to local accidental pollution event
Weather forecast, early warning play an important role, the stability of same echo strength is also most important to accurate precipitation forecast
, especially in dual polarization radar, bigger is influenceed on Zdr.
Existing radar arrangement is single, it is impossible to move, and can not also realize mark effect, how to realize regulation, movement and marks
Surely the problem of turning into a kind of urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of radar, it is single that the radar overcomes radar arrangement of the prior art, it is impossible to
Move, the problem of can not also realizing mark effect, realize regulation and the mark effect of radar.
To achieve these goals, the invention provides a kind of radar, the radar includes:Base, pitching joint, rotation
Joint, receiver, transmitter and mark effect module;Wherein, the receiver, transmitter and mark effect module are all arranged at the bottom
On seat, the rotary joint is arranged at the lower section of the base to enable base to rotate freely, and the pitching joint is set
In with the link position of lower component and base:Receiver, transmitter and mark effect module, to cause receiver, transmitter and mark to imitate
Module can free pitch regulation, one end of the receiver corresponds to the transmitter, and the other end electricity of the receiver
It is connected to the mark effect module.
Preferably, the radar also includes:Pitching drive mechanism, the pitching drive mechanism is connected to the pitching joint,
To drive receiver, transmitter and mark effect module being capable of elevating movement.
Preferably, the radar also includes:Rotary drive mechanism, the rotary drive mechanism is connected to the rotary joint,
To drive base to rotate.
Preferably, the mark effect module includes:Receiver module, signal processing module and memory module;Wherein, it is described
Receiver module receives the radar emission signal of the receiver, and radar emission signal progress AD sampling processings are obtained
To sampled signal;The signal processing module is configured to be connected to the receiver module and the memory module, to handle
The sampled signal simultaneously will obtain emission spectrum feature and send to the memory module to be stored;The signal processing module
The Time delay time is configured according to instruction is received, and produces the mark effect signal of default pulsewidth, the mark effect signal and the radar
The pulse recurrence frequency of signal is synchronous, and is opened at the default pulsewidth before next sampling time point of the radar.
Preferably, the receiver module, signal processing module and memory module are electrically connected to the receiver and transmitting
The power supply of device, to receive the operating current of the power supply.
Preferably, the base includes:Transverse slat and riser;Wherein, one end of the riser is fixed in the transverse slat, separately
One end is connected to the receiver, transmitter and mark effect module by the pitching joint.
Preferably, the rotary joint is arranged at the lower section of the transverse slat, and the transverse slat can be on the rotary joint
Rotate freely.
Preferably, the receiver module includes:The low-noise amplifier that is sequentially connected, the first bandpass filter, mixing
Device, the second bandpass filter and intermediate frequency amplifier, the frequency mixer also receive the output signal of lock phase local oscillator;The low noise
Amplifier receives the radar emission signal, and the intermediate frequency amplifier exports intermediate-freuqncy signal.
By above-mentioned embodiment, radar of the invention can realize the regulation of locality, facilitate connecing for signal
Receive and send, and mark effect signal is applied in the field of radar, by unique dynamic mark efficacious prescriptions method, realize that full link is real-time
Mark effect, because existing radar equipment does not have more communication interfaces, this case borrows wireless data sending mode on usual channel, right
Mark effect module is communicated and monitored.Because existing radar equipment does not have more communication interfaces, this case borrows usual channel
Upper wireless data sending mode, enters rower effect module and is communicated and monitored.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structured flowchart for the mark effect module for illustrating a kind of preferred embodiment of the present invention.
Description of reference numerals
The pitching joint of 1 base 2
The transverse slat of 3 rotary joint 11
12 risers
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality used such as " upper and lower, left and right " is typically
Refer to as shown in Figure 1 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, near " refers to relative to some portion
Part it is remote with it is near.
The present invention provides a kind of radar, and the radar includes:Base 1, pitching joint 2, rotary joint 3, receiver, transmitting
Device and mark effect module;Wherein, the receiver, transmitter and mark effect module are all arranged on the base 1, and the rotation is closed
Section 3 is arranged at the lower section of the base 1 to enable base 1 to rotate freely, and the pitching joint 2 is arranged at lower component
With the link position of base 1:Receiver, transmitter and mark effect module, to enable receiver, transmitter and mark to imitate module
Free pitch regulation, one end of the receiver corresponds to the transmitter, and the other end of the receiver is electrically connected to institute
State mark effect module.
By above-mentioned embodiment, radar of the invention can realize the regulation of locality, facilitate connecing for signal
Receive and send, and mark effect signal is applied in the field of radar, by unique dynamic mark efficacious prescriptions method, realize that full link is real-time
Mark effect, because existing radar equipment does not have more communication interfaces, this case borrows wireless data sending mode on usual channel, right
Mark effect module is communicated and monitored.Because existing radar equipment does not have more communication interfaces, this case borrows usual channel
Upper wireless data sending mode, enters rower effect module and is communicated and monitored.
It is further detailed below in conjunction with 1 pair of claim 1 of the invention of accompanying drawing, in the present invention, in order to improve
The scope of application of the present invention, is especially realized using following embodiments.
In a kind of embodiment of the present invention, the radar can also include:Pitching drive mechanism, the pitching
Drive mechanism is connected to the pitching joint 2, to drive receiver, transmitter and mark effect module being capable of elevating movement.
Pass through above-mentioned mode, it is possible to achieve the pitching of radar is automatically adjusted.
In a kind of embodiment of the present invention, the radar can also include:Rotary drive mechanism, the rotation
Drive mechanism is connected to the rotary joint 3, to drive base 1 to rotate.
Pass through above-mentioned mode, it is possible to achieve the rotational automatic regulation of radar.
In a kind of embodiment of the present invention, the mark effect module can include:At receiver module, signal
Manage module and memory module;Wherein, the receiver module receives the radar emission signal of the receiver, and to the thunder
AD sampling processings, which are carried out, up to radiation signal obtains sampled signal;The signal processing module is configured to be connected to the reception
Thermomechanical components and the memory module, are sent to the storage mould with handling the sampled signal and will obtain emission spectrum feature
Block is stored;The signal processing module configures the Time delay time according to instruction is received, and produces the mark effect of default pulsewidth
Signal, the mark effect signal is synchronous with the pulse recurrence frequency of the radar signal, and in next sampling of the radar
Between put before default pulsewidth at open.
By above-mentioned embodiment, i.e., under radar normal operation, by radar transmitted pulse signal of sampling,
Stored digital is carried out, simultaneously PRF, by preceding, sends the spectrum signal (i.e. mark effect signal) stored, thus tool by certain delay
There are real-time and coherence;Transmission mark effect signal by horn feed, azimuth pitch rotary joint 3, waveguide transmission network with
And all receiving channel characteristics such as receiver, thus with transmitting, receive full chain road sign effect characteristic, improve radar detection precision.
In this kind of embodiment, the receiver module, signal processing module and memory module are electrically connected to described connect
The power supply of device and transmitter is received, to receive the operating current of the power supply.
In a kind of embodiment of the present invention, in order to realize the support of receiver, transmitter and mark effect module,
The base 1 can include:Transverse slat 11 and riser 12;Wherein, one end of the riser 12 is fixed in the transverse slat 11, another
End is connected to the receiver, transmitter and mark effect module by the pitching joint 2.
In this kind of embodiment, in order to realize rotating freely for transverse slat 11, the rotary joint 3 is arranged at the horizontal stroke
The lower section of plate 11, the transverse slat 11 can be rotated freely on the rotary joint 3.
In this kind of embodiment, the receiver module can include:The low-noise amplifier that is sequentially connected, first
Bandpass filter, frequency mixer, the second bandpass filter and intermediate frequency amplifier, the frequency mixer also receive the output of lock phase local oscillator
Signal;The low-noise amplifier receives the radar emission signal, and the intermediate frequency amplifier exports intermediate-freuqncy signal.
Pass through above-mentioned embodiment, it is possible to achieve the reception processing of signal, receiving module mainly realizes radar signal
The functions such as amplification, filtering, frequency conversion.Intermediate-freuqncy signal is sent to 16 (14) AD and uses module, carries out digital processing.
In this kind of embodiment, in order to realize the processing of signal, the control chip of the signal processing module is FPGA
Chip.
The intermediate-freuqncy signal sent by receiver, samples through high-speed AD, then carries out FPGA processing, you can obtain transmitting chain
Transmission signal spectrum signature (signal frequency, transmission power, pulse width etc.), while by the characteristic signal frequency spectrum of the sampling
Array storage, i.e. DRFM digital storage techniques are carried out, FPGA processors pass through up-conversion configuration mark effect source according to communication instruction
Frequency, it is consistent with emission signal frequency, and produce relative time delay t pulse signal, pulsewidth 10us, so in a PRF
In cycle, before for detection echo-signal, behind PRF ending before 10us for mark effect signal, and together enter receiver link
By frequency conversion and signal transacting, PPI (RHI) end range bin acceptance of the bid effect signal value is obtained.
In a kind of embodiment of the present invention, the emission spectrum feature can include:Signal frequency, transmitting
Power and pulse width.
In a kind of embodiment of the present invention, the memory module is DRFM (digital RF storage) module.
In a kind of embodiment of the present invention, the receiver module is connected to the usual channel of the radar
Wireless data sending port.
The wireless data sending of signal can be realized by above-mentioned wireless transmission method, the transmission means of signal is facilitated.
In the present invention, because the intensity of mark effect signal source is associated with the transmitting chain amplitude sampled, therefore,
The change of mark effect signal amplitude, exactly reflects the change of transmitting chain and receives link characteristic, therefore, it is possible in same side
The echo strength of each range bin is directly corrected in parallactic angle, it is achieved thereby that the dynamic calibration of the intensity of weather radar signal.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention is to various
Possible combination no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (8)
1. a kind of radar, it is characterised in that the radar includes:Base (1), pitching joint (2), rotary joint (3), receiver,
Transmitter and mark effect module;Wherein, the receiver, transmitter and mark effect module are all arranged on the base (1), the rotation
Turn joint (3) and be arranged at the lower section of the base (1) so that so that base (1) can be rotated freely, the pitching joint (2) is set
In with the link position of lower component and base (1):Receiver, transmitter and mark effect module, to cause receiver, transmitter and mark
Imitate module can free pitch regulation, one end of the receiver is corresponding to the transmitter, and the other end of the receiver
It is electrically connected to the mark effect module.
2. radar according to claim 1, it is characterised in that the radar also includes:Pitching drive mechanism, the pitching is driven
Motivation structure is connected to the pitching joint (2), to drive receiver, transmitter and mark effect module being capable of elevating movement.
3. radar according to claim 1, it is characterised in that the radar also includes:Rotary drive mechanism, the rotation is driven
Motivation structure is connected to the rotary joint (3), to drive base (1) to rotate.
4. radar according to claim 1, it is characterised in that the mark effect module includes:Receiver module, signal transacting
Module and memory module;Wherein, the receiver module receives the radar emission signal of the receiver, and to the radar spoke
Penetrate signal progress AD sampling processings and obtain sampled signal;The signal processing module is configured to be connected to the receiver module
With the memory module, deposited with handling the sampled signal and emission spectrum feature will be obtained send to the memory module
Storage;The signal processing module is described according to instruction configuration Time delay time, and the mark effect signal of the default pulsewidth of generation is received
Mark effect signal is synchronous with the pulse recurrence frequency of the radar signal and pre- before next sampling time point of the radar
If being opened at pulsewidth.
5. radar according to claim 4, it is characterised in that the receiver module, signal processing module and storage mould
Block is electrically connected to the power supply of the receiver and transmitter, to receive the operating current of the power supply.
6. radar according to claim 1, it is characterised in that the base (1) includes:Transverse slat (11) and riser (12);
Wherein, one end of the riser (12) is fixed in the transverse slat (11), and the other end is connected to described by the pitching joint (2)
Receiver, transmitter and mark effect module.
7. radar according to claim 6, it is characterised in that the rotary joint (3) is arranged at the transverse slat (11)
Lower section, the transverse slat (11) can rotate freely on the rotary joint (3).
8. radar according to claim 4, it is characterised in that the receiver module includes:The low noise being sequentially connected
Amplifier, the first bandpass filter, frequency mixer, the second bandpass filter and intermediate frequency amplifier, the frequency mixer also receive lock phase
The output signal of local oscillator;The low-noise amplifier receives the radar emission signal, the intermediate frequency amplifier output intermediate frequency letter
Number.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710335897.7A CN107121678A (en) | 2017-05-12 | 2017-05-12 | Radar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710335897.7A CN107121678A (en) | 2017-05-12 | 2017-05-12 | Radar |
Publications (1)
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CN107121678A true CN107121678A (en) | 2017-09-01 |
Family
ID=59727061
Family Applications (1)
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CN201710335897.7A Pending CN107121678A (en) | 2017-05-12 | 2017-05-12 | Radar |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645509A (en) * | 2018-06-27 | 2018-10-12 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of self-propelled low frequency substation noise cloud atlas test device and test method |
CN108716948A (en) * | 2018-06-27 | 2018-10-30 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of substation's noise synthesis cloud atlas test device |
CN108848323A (en) * | 2018-06-27 | 2018-11-20 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of image processing method of substation's noise synthesis cloud atlas |
CN108896165A (en) * | 2018-06-27 | 2018-11-27 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of substation's noise synthesis cloud atlas test method |
CN109029700A (en) * | 2018-06-27 | 2018-12-18 | 西安输变电工程环境影响控制技术中心有限公司 | Shrinkable volume configuration low frequency substation noise cloud atlas test device and test method |
CN109060113A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | Angle measurement adjustable volume configuration substation's noise cloud atlas test device and test method |
CN109060112A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | Contractile volume configuration substation noise cloud atlas test device and its operating method |
CN109060111A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of multi-channel type substation noise synthesis cloud atlas test device |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645509A (en) * | 2018-06-27 | 2018-10-12 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of self-propelled low frequency substation noise cloud atlas test device and test method |
CN108716948A (en) * | 2018-06-27 | 2018-10-30 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of substation's noise synthesis cloud atlas test device |
CN108848323A (en) * | 2018-06-27 | 2018-11-20 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of image processing method of substation's noise synthesis cloud atlas |
CN108896165A (en) * | 2018-06-27 | 2018-11-27 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of substation's noise synthesis cloud atlas test method |
CN109029700A (en) * | 2018-06-27 | 2018-12-18 | 西安输变电工程环境影响控制技术中心有限公司 | Shrinkable volume configuration low frequency substation noise cloud atlas test device and test method |
CN109060113A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | Angle measurement adjustable volume configuration substation's noise cloud atlas test device and test method |
CN109060112A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | Contractile volume configuration substation noise cloud atlas test device and its operating method |
CN109060111A (en) * | 2018-06-27 | 2018-12-21 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of multi-channel type substation noise synthesis cloud atlas test device |
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