CN106411428B - Radio voice business monitoring method waterborne - Google Patents
Radio voice business monitoring method waterborne Download PDFInfo
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- CN106411428B CN106411428B CN201610773090.7A CN201610773090A CN106411428B CN 106411428 B CN106411428 B CN 106411428B CN 201610773090 A CN201610773090 A CN 201610773090A CN 106411428 B CN106411428 B CN 106411428B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2209—Arrangements for supervision, monitoring or testing for lines also used for data transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of radio voice business monitoring methods waterborne, complete signal capture and front end signal processing, wide and narrow strip frequency spectrum data using including multichannel voice joint synchronous transmission technology, multichannel frequency spectrum data splicing synchronous transmission technology and keeping the communication technologys such as technology based on the multichannel control in voice communication data library waterborne and acquire and show and the processes such as voice broadcasting with MCVF multichannel voice frequency demodulation, data transmission, data splicing, frequency spectrum.Through the above way, present invention radio voice business monitoring method waterborne fusion A/D sampling, pci data transmission, database compares and language monitoring technique, solves the problems, such as controllably to keep one's word and can monitor when conventional equipment carries out radio language service waterborne monitoring that number of channels is few, troubleshooting procedure is cumbersome and it is poor to check effect.
Description
Technical field
The present invention relates to radio monitoring technical fields, more particularly to a kind of radio voice business waterborne monitoring side
Method.
Background technique
China is on the verge of the Huanghai Sea, the East Sea, and the South Sea not only possesses the inland sea Bohai Sea, but also possesses very long seashore and more than 6500
Island.Business in developing water is vigorously advocated both at home and abroad, and ships quantity increases severely, and radio voice business waterborne also quickly increases therewith
It is long, while ships quantity increase also causes ship the case where dangerous situation occur to increase.
China's short distance distress alerting and communications band are 156MHz~174MHz, mainly include in danger and safety call frequency
Rate (156.525MHz), secure communication frequency (156.800MHz) in danger, the communication frequency of the ship-to-ship of navigation safety
(156.650MHz), the communication frequency (156.300MHz) between the ship station and aircraft station of search operation.To protect
Hinder ship and control tower, between ship and ship can normal communication and ship the distress signal issued when dangerous situation occurs can quick quilt
It obtains, needs to carry out the signal in the frequency range control in real time and keep, once obtaining signal, quickly analyze in signal and intercepted signal
Hold.Confirmation ship it is in danger after, maritime sector can quick response with ensure loss reduce.
When currently carrying out electromagnetic signal monitoring in the frequency range, mainly by means of general radio receiver, Jin Jinshi
Existing single-point Spectral acquisition and audio demodulation.This monitoring method monitoring monitoring effect is limited, is lack of pertinence, while also can not be right
Multiple radio voice business key channels waterborne carry out control and keep and interfere investigation.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of radio voice business monitoring methods waterborne, solve conventional
Equipment controllably keep one's word when radio language service waterborne monitoring and can monitor that number of channels is few, troubleshooting procedure is cumbersome and row
Look into the problem of effect difference.It can control in real time through the invention and keep important traffic channel or interested channel in monitoring range, it can
To monitor multichannel sound channel in real time, to the control number of keeping one's word, quickly discriminance analysis reaches guarantee language service communication waterborne smoothly purpose.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of radio voice waterborne is provided
Business monitoring method, which is characterized in that splice using including multichannel voice joint synchronous transmission technology, multichannel frequency spectrum data
Technology and the communication technologys such as technology are kept based on the multichannel control in voice communication data library waterborne to complete signal capture and front end
Signal processing, the acquisition of wide and narrow strip frequency spectrum data and MCVF multichannel voice frequency demodulation, data transmission, data splicing, frequency spectrum show and broadcast with voice
It is as follows processes, the specific operational process such as to put:
1. signal capture and front end signal are handled: electromagnetic signal forms induced voltage in dedicated monitoring aerial induction region,
And receiving channel is transferred to by feeder line, intermediate-freuqncy signal is obtained after being mixed with receiving channel；
2. the acquisition of wide and narrow strip frequency spectrum data is demodulated with MCVF multichannel voice frequency: the intermediate-freuqncy signal that front-end processing obtains carries out A/D conversion,
Digital signal after conversion is mixed to form baseband signal with the NCO oscillator inside capture card, and baseband signal passes through digital filtering
Signal I/Q data is obtained, I/Q data obtains frequency spectrum data by FFT transform and is stored in corresponding RAM.Again to obtain I/Q data demodulation shape
At audio signal, audio data is formed after fixed sample rate sampling, is stored in corresponding RAM；
3. data are transmitted: upper layer software (applications) controls pci bus by every minor tick 200ms to storage frequency spectrum data and audio data
RAM fetch；
4. data splice: starting monitoring task when, according to the frequency point of input automatically create for store width frequency spectrum data,
The file of audio data.After control pci bus completes primary access, data are stored according to the corresponding relationship of frequency point and file
Respective file；
5. frequency spectrum show with voice play: by being shown to wide and narrow strip frequency spectrum data, at the same can to voice document into
Row plays.
It is in contrast to the prior art, the beneficial effects of the present invention are:
1, enhance radio voice business monitoring capability waterborne, realize to important sea area, harbour, harbour, important air route
Monitoring covering.
2, it realizes to the uninterrupted monitoring waterborne with frequency, grasps main sea area/water area wireless electricity service condition, end-on in real time
The key channel such as dangerous communication frequency carries out control in real time and keeps and alert, and guarantee timely responds to distress signal.
3, have motor-driven radio monitoring ability waterborne, navigation channel and sea area electromagnetic spectrum environment can be grasped, enhance motor-driven nothing
Line electrical inspection, Law enforcement capability.
4, the radio supportability to business waterborne is improved.
Detailed description of the invention
Fig. 1 is present invention radio voice business monitoring process schematic diagram waterborne.
Fig. 2 is multichannel voice joint synchronous transmission technology work flow diagram of the present invention.
Fig. 3 is multichannel frequency spectrum data splicing work flow diagram of the present invention.
Fig. 4 is that the present invention is based on the multichannel controls in voice communication data library waterborne to keep technology workflow figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of radio voice business monitoring method waterborne as provided by Fig. 1, which is characterized in that using including multichannel
Voice joint synchronous transmission technology, multichannel frequency spectrum data splicing and the multichannel based on voice communication data library waterborne
Control keeps the communication technologys such as technology to complete signal capture and front end signal processing, the acquisition of wide and narrow strip frequency spectrum data and MCVF multichannel voice frequency solution
It adjusts, data transmission, data splicing, frequency spectrum is shown and processes, the specific operational process such as voice plays are as follows:
1. signal capture and front end signal are handled: electromagnetic signal forms induced voltage in dedicated monitoring aerial induction region,
And receiving channel is transferred to by feeder line, intermediate-freuqncy signal is obtained after being mixed with receiving channel；
2. the acquisition of wide and narrow strip frequency spectrum data is demodulated with MCVF multichannel voice frequency: the intermediate-freuqncy signal that front-end processing obtains carries out A/D conversion,
Digital signal after conversion is mixed to form baseband signal with the NCO oscillator inside capture card, and baseband signal passes through digital filtering
Signal I/Q data is obtained, I/Q data obtains frequency spectrum data by FFT transform and is stored in corresponding RAM.Again to obtain I/Q data demodulation shape
At audio signal, audio data is formed after fixed sample rate sampling, is stored in corresponding RAM；
3. data are transmitted: upper layer software (applications) controls pci bus by every minor tick 200ms to storage frequency spectrum data and audio data
RAM fetch；
4. data are spliced: when starting monitoring task, being automatically created according to the frequency point that user inputs for storing width frequency spectrum
The file of data, audio data.After control pci bus completes primary access, it will be counted according to the corresponding relationship of frequency point and file
According to deposit respective file；
5. frequency spectrum show with voice play: by being shown to wide and narrow strip frequency spectrum data, at the same can to voice document into
Row plays.
Multichannel voice joint synchronous transmission technology as shown in Figure 2, operational process are as follows:
1. carrying out voice demodulation after obtaining each frequency point and setting the I of bandwidth, Q data, the voice after demodulation presses fixed sample
Rate completes sampling deposit RAM.
2. every road voice configures 2 RAM, one of RAM is stored in after the fixed points of the data under voice of demodulation and is done
Label waits PCI access, another RAM continues to be stored at this time, and 2 RAM of every road voice configuration successively alternately guarantee voice letter
Number continuity.
3.PCI bus is fetched by every minor tick 200ms, and the corresponding audio file of different frequent points is stored in after access.
As shown in figure 3, multichannel frequency spectrum data splicing synchronous transmission technology is related to A/D sampling, NCO, DDC, FFT, data
Storage, transmission and splicing.
1. forming 16 position digital signals after 102.4MHz clock signal samples when the input of 70MHz intermediate-freuqncy signal.The number
Word signal is mixed to form baseband I, Q data with digital controlled oscillator signal, and I, Q data carry out digital filter according to the bandwidth that client sets
Wave；
2. filtered I, Q data are by FFT transform frequency spectrum data and are stored in RAM；
3.PCI bus is fetched by every minor tick 200ms, and corresponding frequency spectrum I, Q file of different frequent points is stored in after access.
Technology is kept in multichannel control based on voice communication data library waterborne as shown in Figure 4, and operational process is as follows:
1. after the device starting task, carrying out time and frequency zone transformation after completing signal capture by dedicated monitoring aerial, obtaining
Broader frequency spectrum and multiple frequency point signal spectrums；
2. judging whether each frequency point signal spectrum level reaches signalc threshold, confirm whether these frequency points have signal occupancy；
3. if it is determined that obtaining the parameters such as signal frequency point, bandwidth after these frequency points have signal；
4. checking whether the crucial channel such as in danger and safety call frequency is occupied, starts alarm if occupying.
5. staff confirms whether the signal of crucial channel is corresponding distress signal after monitoring, if being confirmed as emergency letter
Number then start response, then carries out interference investigation if other signals.
6. the signal frequency that will acquire is same to build in the case where the crucial channel such as in danger and safety call frequency is unoccupied
Vertical voice communication data library waterborne compares, if not including the frequency point in database, alerts and starts recording.
7. if signal bandwidth is analyzed, and the signal bandwidth that will acquire is same cannot determine abnormal signal according to signal frequency
The voice communication data library frequency point bandwidth waterborne established compares, if signal bandwidth and database bandwidth are inconsistent, alert and opens
Dynamic recording.
By the above-mentioned means, present invention radio voice business monitoring method fusion A/D waterborne is sampled, pci data transmits,
Database compare and language monitoring technique, solve conventional equipment carry out radio language service waterborne monitoring when controllably keep one's word and
The problem that number of channels is few, troubleshooting procedure is cumbersome and checks effect difference can be monitored.It can control in real time through the invention and keep monitoring model
Interior important traffic channel or interested channel are enclosed, multichannel sound channel can be monitored in real time, quickly discriminance analysis reaches to the control number of keeping one's word
Smoothly purpose is communicated to guarantee language service waterborne.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of radio voice business monitoring method waterborne, which is characterized in that passed using including that multichannel voice joint is synchronous
Technical communication skill is kept in transferring technology, multichannel frequency spectrum data splicing and the multichannel control based on voice communication data library waterborne
Art acquires and MCVF multichannel voice frequency demodulation, data transmission, data to complete signal capture and front end signal processing, wide and narrow strip frequency spectrum data
Splicing, frequency spectrum are shown and voice playing process, and specific operational process is as follows:
1) signal capture and front end signal are handled: electromagnetic signal forms induced voltage in dedicated monitoring aerial induction region, and leads to
It crosses feeder line and is transferred to receiving channel, obtain intermediate-freuqncy signal after being mixed with receiving channel；
2) width band signal is converted: the intermediate-freuqncy signal that front-end processing obtains carries out A/D conversion, digital signal and acquisition after conversion
NCO oscillator inside card is mixed to form baseband signal, and baseband signal obtains signal I, Q data by digital filtering；
3) multi-path voice voice joint: voice demodulation is carried out after the I, Q data of each signal of acquisition, the voice after demodulation is by fixation
Sample rate completes sampling deposit RAM；Every road voice configures 2 RAM, is stored in wherein after the fixed points of the data under voice of demodulation
One RAM simultaneously makes marks, and waits PCI access, another RAM continues to be stored at this time, and 2 RAM of every road voice configuration are successively handed over
For the continuity for guaranteeing voice signal；Pci bus is fetched by every minor tick 200ms, and it is corresponding that different frequent points are stored in after access
Audio file；
4) wide and narrow strip frequency spectrum data splices: I, Q data carry out digital filtering, filtered I, Q data warp according to the bandwidth of setting
FFT transform is crossed to be frequency spectrum data and be stored in RAM；Pci bus is fetched by every minor tick 200ms, and different frequencies are stored in after access
The corresponding spectra file of point；
5) frequency spectrum is shown plays with voice: after starting monitoring task, showing to wide and narrow strip frequency spectrum data, while can be to language
Sound file plays out.
2. radio voice business monitoring method waterborne according to claim 1, it is characterised in that: described to be based on language waterborne
The course of work that technology is kept in the multichannel control of sound communications database is as follows:
1) after starting task, by dedicated monitoring aerial complete signal capture after carry out time and frequency zone transformation, obtain broader frequency spectrum and
Multiple frequency point signal spectrums；
2) judge whether each frequency point signal spectrum level reaches signalc threshold, confirm whether these frequency points have signal occupancy；
3) if it is determined that after these frequency points have signal, signal frequency, bandwidth parameter are obtained；
4) check whether in danger and safety call frequency key channel is occupied, start alarm if occupying；
5) whether the signal that crucial channel is confirmed after staff monitors is corresponding distress signal, if being confirmed as distress signal
Starting response, then carries out interference investigation if other signals；
6) in the case where in danger and safety call frequency key channel is unoccupied, the signal frequency that will acquire is the same as the water established
Upper voice communication data library compares, if not including the frequency point in database, alerts and starts recording；
If 7) cannot determine abnormal signal according to signal frequency, signal bandwidth is analyzed, and the signal bandwidth that will acquire is the same as foundation
Voice communication data library frequency point bandwidth waterborne compare, if signal bandwidth and database bandwidth are inconsistent, alert and start record
Sound.
3. radio voice business monitoring method waterborne according to claim 1, it is characterised in that: the multichannel frequency spectrum
Data splicing is deposited comprising A/D sampling, digital controlled oscillator NCO, Digital Down Convert DDC, Fast Fourier Transform FFT, data
Storage and transmission splicing.
4. radio voice business monitoring method waterborne according to claim 1, it is characterised in that: the communications database
Frequency, bandwidth parameter comprising crucial channel.
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| CN201610773090.7A CN106411428B (en) | 2016-08-31 | 2016-08-31 | Radio voice business monitoring method waterborne |
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| CN201610773090.7A CN106411428B (en) | 2016-08-31 | 2016-08-31 | Radio voice business monitoring method waterborne |
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| CN106411428B true CN106411428B (en) | 2019-07-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101700A (en) * | 2006-07-06 | 2008-01-09 | 中国船舶重工集团公司第七一五研究所 | Underwater sound communications and alarming method and device |
| CN101228719A (en) * | 2005-06-13 | 2008-07-23 | 无线光纤***有限公司 | Underwater communications system |
| CN203039696U (en) * | 2012-12-06 | 2013-07-03 | 周维 | Marine radio monitoring apparatus |
-
2016
- 2016-08-31 CN CN201610773090.7A patent/CN106411428B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228719A (en) * | 2005-06-13 | 2008-07-23 | 无线光纤***有限公司 | Underwater communications system |
| CN101101700A (en) * | 2006-07-06 | 2008-01-09 | 中国船舶重工集团公司第七一五研究所 | Underwater sound communications and alarming method and device |
| CN203039696U (en) * | 2012-12-06 | 2013-07-03 | 周维 | Marine radio monitoring apparatus |
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| CN106411428A (en) | 2017-02-15 |
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