CN105022056B - A kind of digital radar system peculiar to vessel and its method for transmitting signals based on fiber optic communication - Google Patents
A kind of digital radar system peculiar to vessel and its method for transmitting signals based on fiber optic communication Download PDFInfo
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- CN105022056B CN105022056B CN201510391446.6A CN201510391446A CN105022056B CN 105022056 B CN105022056 B CN 105022056B CN 201510391446 A CN201510391446 A CN 201510391446A CN 105022056 B CN105022056 B CN 105022056B
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- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- 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
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a kind of digital radar system peculiar to vessel and its method for transmitting signals based on fiber optic communication, radar system includes radar transceiver function device, radar signal display device and distributed power supply equipment, radar transceiver function device launches the microwave signal for radar scanning by radar antenna and receives radar echo signal, radar signal display device is used to show radar video information, and two-way signaling transmission is carried out by double fiber optic communication patterns between radar transceiver function device and radar signal display device.Method for transmitting signals is：Step 1: obtaining radar digital signal by radar transceiver function device, and radar digital signal is transferred to radar signal display device；Step 2: setting control signal by radar signal display device, and control signal is transferred to radar transceiver function device.The present invention has the advantages of easy wiring, strong antijamming capability, high picture quality.
Description
Technical field
The present invention relates to a kind of digital radar system, more particularly, to a kind of digital radar system based on fiber optic communication,
The invention further relates to a kind of method for transmitting signals of the digital radar system based on fiber optic communication.
Background technology
There are very long coastline, numerous inland river lakes in China, and corresponding is exactly huge transport fleet, ocean
The various ships such as ship, fishing boat, Military Warship.In the operation of various ships, radar and with the matching used periphery of radar
Equipment is often to need equipment, and it is that crewman grasps ship ambient conditions at any time, improves navigation safety and provides important leverage.Mesh
Preceding digital radar peculiar to vessel mainly uses coaxial cable transmission of video information, the synchronizing signal between various types of peripheral devices and radar
Also transmitted in the form of cable.Because the cable of transmission signal requires that line footpath is thicker, but its signal transmission distance is shorter, and this is resulted in
Wiring difficulty is larger, cost is of a relatively high.In addition, there is also picture quality for transmission signal in the form of the cables such as coaxial cable
Difference, the shortcomings of transmission band is narrow, in the presence of various microwave information are a large amount of, it is highly susceptible in signals transmission
Interference.Therefore, how to avoid electromagnetic interference, improve picture quality be with coaxial cable carry out signal transmission need solve it is another
Individual technical problem, this equally can increase wiring difficulty.
The content of the invention
It is an object of the invention to provide a kind of digital radar system peculiar to vessel and its method for transmitting signals based on fiber optic communication,
Radar system has the advantages of easy to implement, wiring is easy, strong antijamming capability, high picture quality, its method for transmitting signals tool
There is the characteristics of safe and reliable, execution efficiency is high.
Have that wiring difficulty is big, signal transmission to solve the radar system for carrying out signal transmission using cable in the prior art
Apart from it is short, easily by electromagnetic interference, the technical problem of poor image quality, the invention provides a kind of based on the peculiar to vessel of fiber optic communication
Digital radar system and its method for transmitting signals, the digital radar system peculiar to vessel based on fiber optic communication include radar transceiver function
Equipment, radar signal display device and distributed power supply equipment, radar transceiver function device is launched by radar antenna to be used for
The microwave signal of radar scanning simultaneously receives radar echo signal, and radar signal display device is used to show radar video information, point
Cloth power supply unit is used to be powered radar transceiver function device and radar signal display device, wherein radar transceiver
Between function device and radar signal display device two-way signaling transmission is carried out by double fiber optic communication patterns.
Further, a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein, radar transceiver function
Equipment includes radar transceiver unit, signal processing unit and the first fiber optic communication unit,
Radar echo signal is processed into radar intermediate frequency signal by radar transceiver unit, and radar intermediate frequency signal is transferred to
Signal processing unit,
Radar intermediate frequency signal is processed into radar digital signal by signal processing unit, and radar digital signal is transferred into
One fiber optic communication unit,
Radar digital signal is transferred to radar signal display device by the first fiber optic communication unit；First fiber optic communication simultaneously
Unit receives the control signal that radar signal display device transmits, and control signal is transferred into signal processing unit,
Signal processing unit is transferred to radar transceiver unit after handling control signal,
Radar transceiver unit is operated according to the control signal of radar signal display device.
Further, a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein, radar transceiver unit
Provided with pulse-series generator, radio frequency source, the first frequency mixer, duplexer, local oscillator, the second frequency mixer, three-mixer,
Intermediate frequency amplifier,
Radiofrequency signal caused by pulse signal caused by pulse-series generator and radio frequency source is carried out by the first frequency mixer
The microwave signal for radar scanning is obtained after Frequency mixing processing, microwave signal is transferred to duplexer and antenna and sent out successively
Penetrate,
Radiofrequency signal caused by clock pulse signal caused by local oscillator and radio frequency source is carried out by the second frequency mixer
Frequency mixing processing obtains the first mixed frequency signal, and the first mixed frequency signal is transferred into three-mixer, while is received by antenna
To radar echo signal be also transmitted to three-mixer by duplexer；First mixed frequency signal and radar echo signal are through the 3rd
Frequency mixer obtains the second mixed frequency signal after carrying out Frequency mixing processing, and the second mixed frequency signal is transferred into intermediate frequency amplifier,
Intermediate frequency amplifier obtains radar intermediate frequency signal after processing is amplified to the second mixed frequency signal, and radar mean frequency is believed
Number it is transferred to signal processing unit.
Further, a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein, signal processing unit is set
There are AD conversion module, FPGA module and digital signal processing module,
The radar intermediate frequency signal that AD conversion module transmits to radar transceiver unit carries out analog-to-digital conversion and obtains digital radar
Signal, and radar digital signal is transferred to FPGA module,
FPGA module caches radar digital signal deposit SDRAM, and by digital signal processing module to deposit SDRAM cachings
Radar digital signal carries out coordinate range swithching,
Radar digital signal after carrying out coordinate range swithching is transferred to the first fiber optic communication unit by FPGA module.
Further, a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein, the first fiber optic communication list
Member is provided with the first receiving module and the first sending module, and the first receiving module uses CY7B933, and the first sending module uses
CY7B923, the first receiving module are used to receive the control signal sent from radar signal display device, and the first sending module is used for
Radar digital signal is sent to radar signal display device.
Further, a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein, radar signal, which is shown, to be set
It is standby to include the second fiber optic communication unit and signal display unit,
Second fiber optic communication unit is provided with the second receiving module and the second sending module, and the second receiving module uses
CY7B933, the second sending module use CY7B923, and signal display unit (05) is provided with ARM modules and LED is shown and parameter is set
Put module,
Second receiving module receives the radar digital signal that transmits of radar device for sending and receiving function device, and by radar digital signal
It is transferred to ARM modules, ARM modules transmit a signal to that LED is shown and button sets mould after handling radar digital signal
Block,
LED is shown and parameter setting module is used to show radar video information and is arranged as required to control parameter, and will
Caused control signal is transferred to ARM modules,
ARM modules are transferred to the second sending module after handling control signal, will be controlled and believed by the second sending module
Number it is transferred to radar transceiver function device.
Present invention also offers a kind of method for transmitting signals of the digital radar system peculiar to vessel based on fiber optic communication, including with
Lower step：
Step 1: obtaining radar digital signal by radar transceiver function device, and radar digital signal is transferred to
Radar signal display device, for showing radar video information；
Step 2: setting control signal by radar signal display device, and control signal is transferred to radar transceiver work(
Energy equipment, the working condition for control radar transceiver function equipment；
The step 1 and step 2 carry out signal transmission and carried out by single optical-fibre channel.
Further, a kind of method for transmitting signals of the digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein,
Following steps are specifically included in the step 1：
First, launch the microwave signal for radar scanning, and receive radar echo signal；
2nd, radar echo signal is mixed and intermediate frequency enhanced processing, obtains radar intermediate frequency signal；
3rd, radar intermediate frequency signal is converted into radar digital signal and carries out coordinate range swithching；
4th, the radar number signal after progress coordinate range swithching is transferred into radar signal by fiber optic communication pattern to show
Equipment.
Further, a kind of method for transmitting signals of the digital radar system peculiar to vessel based on fiber optic communication of the present invention, wherein,
Following steps are specifically included in the step 2：
First, it is provided for the control signal of control radar transceiver function equipment working state；
2nd, control signal is transferred to by radar transceiver function device by fiber optic communication pattern.
Compared with prior art, the present invention a kind of digital radar system peculiar to vessel and its signal transmission side based on fiber optic communication
Method has advantages below：The digital radar system peculiar to vessel of the present invention is managed by being set up in radar transceiver function device outside signal
Unit and the first fiber optic communication unit, and the second fiber optic communication unit and this phase are correspondingly set up in radar signal display device
It is corresponding, double fiber optic communication patterns are established between radar transceiver function device and radar signal display device, due to optical fiber
With the property point that line footpath is small, light weight, cost are low, not only make wiring more easy relative to copper axis cable, its cost is also relative
It is relatively low.Most of all, carrying out the advantages of communication is with long distance of signal transmission, strong anti-interference performance with optical fiber, can effectively keep away
Exempt from the transmission attenuation of signal and the introducing of noise, so as to improve picture quality or video definition, numerals peculiar to vessel at different levels can be met
The setting height(from bottom) requirement of radar antenna.
Shown embodiment is to a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention below in conjunction with the accompanying drawings
System and its method for transmitting signals are described in further detail：
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the digital radar system peculiar to vessel based on fiber optic communication of the present invention；
Fig. 2 receives for the first sending module and second in a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention
The connection diagram of module；
Fig. 3 sends for the first sending module and second in a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention
The schematic diagram of module；
Fig. 4 receives for the first receiving module and second in a kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention
The schematic diagram of module.
Embodiment
Firstly the need of explanation, this invention provides both a kind of digital radar system peculiar to vessel based on fiber optic communication, again
Provide a kind of method for transmitting signals of the digital radar system peculiar to vessel based on fiber optic communication.It is provided by the invention to be led to based on optical fiber
The digital radar system peculiar to vessel of letter structure between radar transceiver function device and radar signal display device by using optical fiber
Two-way signaling transmission channel is built.Signal processing function wherein is added in radar transceiver function device, by radar simulation
Radar digital signal is sent to radar signal display device by signal transacting into data signal in a manner of fiber optic communication, with
Just the image or video information of radar are shown.The control that the radar signal display device of radar transceiver function device detecting simultaneously is sent
Signal processed, and correspondingly handled, to be run according to control signal.In this course, radar signal display device
Radar signal need to be received in a manner of fiber optic communication, radar image is shown for LCD；And range is set by man-machine interface, increased
The control commands such as benefit, sleet suppress, wave suppresses, in a manner of control signal being sent to radar transceiver function by optical fiber sets
It is standby, so as to simplify the digitized processing of bulk redundancy.
As a kind of embodiment of the digital radar system peculiar to vessel based on fiber optic communication of the present invention, as shown in figure 1,
Generally comprise radar transceiver function device, radar signal display device and distributed power supply equipment, radar transceiver function
Equipment launches the microwave signal for radar scanning by radar antenna and receives radar echo signal, radar signal display device
For showing radar video information, distributed power supply equipment is used for radar transceiver function device and radar signal display device
It is powered, it is double by the progress of double fiber optic communication patterns wherein between radar transceiver function device and radar signal display device
Transmitted to signal.
Radar transceiver function device includes radar transceiver unit 01, the fiber optic communication list of signal processing unit 02 and first
Member 03.Radar echo signal is processed into radar intermediate frequency signal by radar transceiver unit 01, and radar intermediate frequency signal is transferred to
Signal processing unit 02；Radar intermediate frequency signal is processed into radar digital signal by signal processing unit 02, and digital radar is believed
Number it is transferred to the first fiber optic communication unit 03；Radar digital signal is transferred to radar signal and shown by the first fiber optic communication unit 03
Equipment, while the first fiber optic communication unit 03 receives the control signal that radar signal display device transmits, and control signal is passed
It is defeated by signal processing unit 02；Signal processing unit 02 is transferred to radar transceiver unit 01 after handling control signal,
Radar transceiver unit 01 is operated according to the control signal of radar signal display device.
Radar transceiver unit 01 is provided with pulse-series generator, radio frequency source, the first frequency mixer, duplexer, local oscillations
Device, the second frequency mixer, three-mixer, intermediate frequency amplifier.Pulse signal caused by pulse-series generator and radio frequency source produce
Radiofrequency signal by the first frequency mixer carry out Frequency mixing processing after obtain the microwave signal for radar scanning, microwave signal is successively
It is transferred to duplexer and antenna and is launched；Radio frequency caused by clock pulse signal caused by local oscillator and radio frequency source is believed
Number frequency mixer of process second carries out Frequency mixing processing and obtains the first mixed frequency signal, and the first mixed frequency signal is transferred into the 3rd mixing
Device, while the radar echo signal for receiving to obtain by antenna is also transmitted to three-mixer by duplexer；First mixing letter
Number and radar echo signal obtain the second mixed frequency signal after three-mixer carries out Frequency mixing processing, and the second mixed frequency signal is passed
It is defeated by intermediate frequency amplifier；Intermediate frequency amplifier obtains radar intermediate frequency signal after processing is amplified to the second mixed frequency signal, and by thunder
Signal processing unit 02 is transferred to up to intermediate-freuqncy signal.
Signal processing unit 02 is provided with AD conversion module, FPGA module and digital signal processing module.AD conversion module is to radar
The radar intermediate frequency signal that transceiver unit 01 transmits carries out analog-to-digital conversion and obtains radar digital signal, and radar digital signal is passed
It is defeated by FPGA module；FPGA module caches radar digital signal deposit SDRAM, and deposit SDRAM is delayed by digital signal processing module
The radar digital signal deposited carries out coordinate range swithching；Then FPGA module will carry out radar digital signal after coordinate range swithching
It is transferred to the first fiber optic communication unit 03.In the present invention, signal processing unit 02 is mainly adopted in processing procedure is digitized
Logic control is carried out with the EP1C6Q240 of altera corp.
First fiber optic communication unit 03 is provided with the first receiving module and the first sending module, and the first receiving module is used to receive
The control signal sent from radar signal display device, the first sending module are used to send radar number to radar signal display device
Word signal.
Radar signal display device includes the second fiber optic communication unit 04 and signal display unit 05.Second fiber optic communication list
Member 04 is provided with the second receiving module and the second sending module, and signal display unit 05 is provided with ARM modules and LED is shown and parameter is set
Put module.Second receiving module receives the radar digital signal that transmits of radar device for sending and receiving function device, and by radar digital signal
It is transferred to ARM modules, ARM modules transmit a signal to that LED is shown and button sets mould after handling radar digital signal
Block；LED is shown and parameter setting module is used to show radar video information and is arranged as required to control parameter, and by caused by
Control signal is transferred to ARM modules；ARM modules are transferred to the second sending module after handling control signal, by the second hair
Send module that control signal is transferred into radar transceiver function device.
The first receiving module and the second receiving module use CY7B933, the first sending module and the second hair in the present invention
Module is sent to use CY7B923.As shown in Figures 2 to 4, the communication process between the first sending module and the second receiving module is such as
It is lower described：The radar digital signal that first sending module is transmitted by [T_D0 ... T_D7] pin reception FPGA module, through interior
The second receiving module is transferred to by TX+, TX- pin after portion's data processing；Second receiving module passes through RECE+, RECE- pin
Radar digital signal is received, after internal data is handled, ARM modules are transferred to by [R_D0 ... RD7] pin.Second sends
Communication process between module and the first receiving module is as described below：Second sending module is connect by [T_D0 ... T_D7] pin
The control signal that ARM modules transmit is received, the first receiving module is transferred to by TX+, TX- pin after internal data is handled；The
One receiving module receives control signal by RECE+, RECE- pin, after internal data is handled, passes through [R_D0 ... RD7]
Pin is transferred to FPGA module.As space is limited, other pins in CY7B933 modules and CY7B923 modules are not entered here
Row description, but be known to those skilled in the art, it is readily appreciated that and smoothly implement.
A kind of digital radar system peculiar to vessel based on fiber optic communication of the present invention, by increasing in radar transceiver function device
If managing unit and the first fiber optic communication unit outside signal, and the second fiber optic communication is correspondingly set up in radar signal display device
Unit is corresponding, and double fiber optic communication moulds are established between radar transceiver function device and radar signal display device
Formula, because optical fiber has the low property point of small line footpath, light weight, cost, not only make wiring more easy relative to copper axis cable, its
Cost is relatively low.Most of all, with optical fiber carry out communication with long distance of signal transmission, strong anti-interference performance it is excellent
Point, the transmission attenuation of signal and the introducing of noise can be effectively avoided, so as to improve picture quality or video definition.Meanwhile thunder
Adopted respectively by double fiber optic communication patterns, radar signal and control information up between transceiver function equipment and radar display unit
It is transmitted with different optical-fibre channels, drastically increases signaling rate, enhances real-time response efficiency.
Present invention also offers the method for transmitting signals of the digital radar system peculiar to vessel based on fiber optic communication, specifically include with
Lower step：
Step 1: obtaining radar digital signal by radar transceiver function device, and radar digital signal is transferred to
Radar signal display device, for showing radar video information；
Step 2: setting control signal by radar signal display device, and control signal is transferred to radar transceiver work(
Energy equipment, the working condition for control radar transceiver function equipment；
The step 1 and step 2 carry out signal transmission and carried out by single optical-fibre channel.
Following steps are specifically included in above-mentioned steps one：
First, launch the microwave signal for radar scanning, and receive radar echo signal；
2nd, radar echo signal is mixed and intermediate frequency enhanced processing, obtains radar intermediate frequency signal；
3rd, radar intermediate frequency signal is converted into radar digital signal and carries out coordinate range swithching；
4th, the radar number signal after progress coordinate range swithching is transferred into radar signal by fiber optic communication pattern to show
Equipment.
Following steps are specifically included in above-mentioned steps two：
First, it is provided for the control signal of control radar transceiver function equipment working state；
2nd, control signal is transferred to by radar transceiver function device by fiber optic communication pattern.
Above example is only the description carried out to the preferred embodiment of the present invention, and model not is claimed to the present invention
The restriction of progress is enclosed, on the premise of design principle of the present invention and spirit is not departed from, this area engineers and technicians are according to this hair
The various forms of deformations that bright technical scheme is made, it all should fall into determined by claims of the present invention in protection domain.
Claims (4)
1. a kind of digital radar system peculiar to vessel based on fiber optic communication, including radar transceiver function device, radar signal are shown
Equipment and distributed power supply equipment, radar transceiver function device launch the microwave signal for radar scanning by radar antenna
And radar echo signal is received, radar signal display device is used to show radar video information, and distributed power supply equipment is used for pair
Radar transceiver function device and radar signal display device are powered, it is characterised in that：The radar transceiver function is set
It is standby to carry out two-way signaling transmission by double fiber optic communication patterns between radar signal display device；
The radar transceiver function device leads to including radar transceiver unit (01), signal processing unit (02) and the first optical fiber
Believe unit (03)；
Radar echo signal is processed into radar intermediate frequency signal by radar transceiver unit (01), and radar intermediate frequency signal is transferred to
Signal processing unit (02), radar transceiver unit (01) are provided with pulse-series generator, radio frequency source, the first frequency mixer, duplex
Machine, local oscillator, the second frequency mixer, three-mixer, intermediate frequency amplifier, pulse signal caused by pulse-series generator and
Radiofrequency signal caused by radio frequency source obtains the microwave signal for radar scanning after the first frequency mixer carries out Frequency mixing processing, micro-
Ripple signal is transferred to duplexer and antenna and launched successively, clock pulse signal caused by local oscillator and radio frequency source production
Raw radiofrequency signal carries out Frequency mixing processing by the second frequency mixer and obtains the first mixed frequency signal, and the first mixed frequency signal is transferred to
Three-mixer, while the radar echo signal for receiving to obtain by antenna is also transmitted to three-mixer by duplexer；The
One mixed frequency signal and radar echo signal obtain the second mixed frequency signal after three-mixer carries out Frequency mixing processing, and second is mixed
Frequency signal is transferred to intermediate frequency amplifier, and intermediate frequency amplifier obtains radar mean frequency letter after processing is amplified to the second mixed frequency signal
Number, and radar intermediate frequency signal is transferred to signal processing unit (02)；
Radar intermediate frequency signal is processed into radar digital signal by signal processing unit (02), and radar digital signal is transferred into
One fiber optic communication unit (03), signal processing unit (02) are provided with AD conversion module, FPGA module and digital signal processing module, and AD turns
The radar intermediate frequency signal that mold changing block transmits to radar transceiver unit (01) carries out analog-to-digital conversion and obtains radar digital signal, and will
Radar digital signal is transferred to FPGA module, and FPGA module caches radar digital signal deposit SDRAM, and by digital processing mould
Block carries out coordinate range swithching to the radar digital signal of deposit SDRAM cachings, after FPGA module will carry out coordinate range swithching
Radar digital signal be transferred to the first fiber optic communication unit (03)；
First fiber optic communication unit (03) is provided with the first receiving module and the first sending module, the first receiving module be used to receiving from
The control signal that radar signal display device is sent, the first sending module are used to send digital radar to radar signal display device
Signal；Radar digital signal is transferred to radar signal display device by the first fiber optic communication unit (03), while receives radar letter
The control signal that number display device transmits, and control signal is transferred to signal processing unit (02), signal processing unit (02)
Radar transceiver unit (01) is transferred to after handling control signal, radar transceiver unit (01) shows according to radar signal
Show that the control signal of equipment is operated；
The radar signal display device includes the second fiber optic communication unit (04) and signal display unit (05), the second optical fiber lead to
Letter unit (04) is provided with the second receiving module and the second sending module, and signal display unit (05) is provided with ARM modules and LED is shown
And parameter setting module, the second receiving module receive the radar digital signal that transmits of radar device for sending and receiving function device, and by radar
Digital data transmission give ARM modules, ARM modules transmitted a signal to after handling radar digital signal LED show and by
Key setup module, LED is shown and parameter setting module is used to show radar video information and be arranged as required to control parameter, and
Caused control signal is transferred to ARM modules, ARM modules are transferred to the second sending module after handling control signal,
Control signal is transferred to radar transceiver function device by the second sending module.
2. according to a kind of digital radar system peculiar to vessel based on fiber optic communication described in claim 1, it is characterised in that：First connects
Receive module and use CY7B933, the first sending module uses CY7B923.
3. according to a kind of digital radar system peculiar to vessel based on fiber optic communication described in claim 1, it is characterised in that：Second connects
Receive module and use CY7B933, the second sending module uses CY7B923.
A kind of 4. signal transmission side according to any described digital radar systems peculiar to vessel based on fiber optic communication of claim 1-3
Method, it is characterised in that comprise the following steps：
Step 1: obtaining radar digital signal by radar transceiver function device, and radar digital signal is transferred to radar
Signal apparatus, for showing radar video information, specifically include following steps：
First, launch the microwave signal for radar scanning, and receive radar echo signal；
2nd, radar echo signal is mixed and intermediate frequency enhanced processing, obtains radar intermediate frequency signal；
3rd, radar intermediate frequency signal is converted into radar digital signal and carries out coordinate range swithching；
4th, the radar digital signal after coordinate range swithching will be carried out by fiber optic communication pattern it is transferred to radar signal and shows to set
It is standby；
Step 2: setting control signal by radar signal display device, and control signal is transferred to radar transceiver function and set
It is standby, for the working condition of control radar transceiver function equipment, specifically include following steps：
First, it is provided for the control signal of control radar transceiver function equipment working state；
2nd, control signal is transferred to by radar transceiver function device by fiber optic communication pattern；
The step 1 and step 2 carry out signal transmission and carried out by single optical-fibre channel.
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| CN105824020B (en) * | 2016-03-12 | 2018-06-12 | 浙江大学 | The continuous wave Doppler radar sensor of subcarrier modulation and movement demodulation method |
| CN108594183A (en) * | 2018-07-17 | 2018-09-28 | 南京俊禄科技有限公司 | A kind of Shipboard Radar System based on network transmission |
| DE102019111503A1 (en) * | 2019-05-03 | 2020-11-05 | Pipetronics Gmbh & Co. Kg | FASTENING DEVICE FOR A LOCALIZATION SYSTEM FOR DEVICES IN LINING HOSES |
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| CN100520444C (en) * | 2006-09-26 | 2009-07-29 | 南京大桥机器有限公司 | Portable X wave range Doppler weather radar signal processing method and device thereof |
| CN102411552A (en) * | 2011-12-26 | 2012-04-11 | 南京鹏力***工程研究所 | Method and system for transmitting radar signal in shipping traffic navigation system |
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