CN208580199U - Doppler radar detection device and radar observation system - Google Patents
Doppler radar detection device and radar observation system Download PDFInfo
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- CN208580199U CN208580199U CN201821007925.9U CN201821007925U CN208580199U CN 208580199 U CN208580199 U CN 208580199U CN 201821007925 U CN201821007925 U CN 201821007925U CN 208580199 U CN208580199 U CN 208580199U
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Abstract
The utility model discloses a kind of Doppler radar detection device and radar observation system, the Doppler radar detection device includes master controller, RF local oscillator circuit, radio frequency transmitter circuitry and RF receiving circuit, the input terminal of master controller adjusts control instruction for access frequency point, the control terminal of master controller is connect with the input terminal of RF local oscillator circuit, the output end of RF local oscillator circuit and the input terminal of radio frequency transmitter circuitry connect, and the output end of RF receiving circuit and the input terminal of master controller connect；Wherein, the frequency point adjustment control instruction that master controller is used to receive is converted to voltage control signal；RF local oscillator circuit is used to export the radiofrequency signal of respective frequencies according to voltage control signal, and issues after radio frequency transmitter circuitry；RF receiving circuit is exported for receiving the radiofrequency signal being reflected back, and after carrying out the processing of signal mixed frequency signal and amplification to difference frequency signal.It is adjustable that the utility model realizes RF spot, avoids co-channel interference, solves the problems, such as dense distribution.
Description
Technical field
The utility model relates to electronic circuit technology field, in particular to a kind of Doppler radar detection device and radar prison
Examining system.
Background technique
Conventional radar be chiefly used in realize radio detection and ranging, it is therefore an objective to detect target presence or absence, and measure distance,
Azel.
Currently, the frequency of radar detection device is fixed, namely the rf frequency launched is non-adjustable, this will be so that same
When multiple radar detection devices are arranged in one space, there is the problem of co-channel interference.
Utility model content
The main purpose of the utility model is to propose a kind of Doppler radar detection device and radar observation system, it is intended to real
Existing RF spot is adjustable, can be effectively prevented from co-channel interference, solve the problems, such as dense distribution.
To achieve the above object, the utility model proposes a kind of Doppler radar detection device, the Doppler radar inspections
Surveying device includes master controller, RF local oscillator circuit, radio frequency transmitter circuitry and RF receiving circuit, the input of the master controller
End adjusts control instruction, the input terminal company of the control terminal of the master controller and the RF local oscillator circuit for access frequency point
It connects, the output end of the RF local oscillator circuit is connect with the input terminal of the radio frequency transmitter circuitry, the RF receiving circuit
Output end is connect with the input terminal of the master controller；Wherein,
The master controller, for the frequency point received adjustment control instruction to be converted to voltage control signal；
The RF local oscillator circuit for exporting the radiofrequency signal of respective frequencies according to the voltage control signal, and passes through
It is issued after the radio frequency transmitter circuitry；
The RF receiving circuit for receiving the radiofrequency signal being reflected back, and carries out signal mixed frequency signal processing
And after amplification, output to the difference frequency signal；
The master controller after being also used to the difference frequency signal received carrying out signal conversion, exports corresponding detection letter
Number.
Optionally, the RF local oscillator circuit includes the crystal oscillator being sequentially connected electrically, phase-locked loop chip, loop filter and pressure
Oscillator is controlled, the input terminal of the voltage controlled oscillator is the input terminal of the RF local oscillator circuit, point of the voltage controlled oscillator
Frequency end is connect with the phase-locked loop chip, and the output end of the voltage controlled oscillator is the output end of the RF local oscillator circuit.
Optionally, any frequency of the rf frequency that the voltage controlled oscillator generates between 5.7~5.9GHz.
Optionally, the radio frequency transmitter circuitry includes that coupler, the power successively connecting with the transmitting local oscillation circuit are put
Big device and transmitting antenna, the coupled end of the coupler are also connect with the RF receiving circuit.
Optionally, the RF receiving circuit includes receiving antenna, frequency mixer, intermediate frequency amplifier, the receiving antenna with
The first input end of the frequency mixer connects, and the second input terminal of the frequency mixer is connect with the coupled end of the coupler；Institute
The output end for stating frequency mixer is connect with the input terminal of the intermediate frequency amplifier, and the output end of the intermediate frequency amplifier is the radio frequency
Receive the output end of circuit.
Optionally, the RF receiving circuit further includes gain-controlled amplifier, the gain amplifier be arranged in series in
Between the frequency mixer and the intermediate frequency amplifier.
Optionally, the master controller includes ADC converting unit, filter and signal processor, the ADC converting unit
For the input terminal of the master controller, the ADC converting unit is successively connect with the filter and the signal processor, institute
The output end for stating signal processor is the output end of the master controller.
Optionally, the master controller and the Doppler radar detection device further include SPI interface, the master controller
It is connect by the SPI interface with the RF local oscillator circuit communication.
Optionally, the Doppler radar detection device further includes USB interface, serial line interface and Ethernet card interface, institute
USB interface is stated for connecting the master controller and circumscribed USB memory, reads circumscribed USB storage for the master controller
The data of device；The serial line interface is for master controller to be connect with the communication apparatus communication of external RS-232 agreement；It is described with
Too network card interface is for master controller to be connect with the communication apparatus communication of external ICP/IP protocol.
The utility model also proposes a kind of radar observation system, including central processing unit, communication interface and multiple institutes as above
The Doppler radar detection device stated, the central processing unit by the communication interface respectively with multiple Doppler radars
The telecommunication circuit of detection device connects.
The utility model Doppler radar detection device be arranged master controller, RF local oscillator circuit, radio frequency transmitter circuitry and
RF receiving circuit, and the frequency point received adjustment control instruction is converted to by voltage control signal by master controller,
So that RF local oscillator circuit exports the radiofrequency signal of respective frequencies according to the voltage control signal, and through the radio-frequency transmissions electricity
Lu Hou, in the space of measurement, if detect mobile target, such as human body, animal or vehicle, the radiofrequency signal
It can be received by reflection by RF receiving circuit, and after RF receiving circuit carries out the processing of signal mixed frequency signal and amplification,
Output is to the difference frequency signal to master controller, defeated so that after the difference frequency signal received is carried out signal conversion by master controller
Corresponding detection signal out, to realize the distance and position detection of target.It is adjustable that the utility model realizes RF spot, can have
Co-channel interference is avoided to effect, solves the problems, such as dense distribution.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model Doppler radar detection device；
Fig. 2 is the electrical block diagram of one embodiment of main controller in Fig. 1 Doppler radar detection device；
Fig. 3 is the electrical block diagram of one embodiment of RF local oscillator circuit in Fig. 1 Doppler radar detection device；
Fig. 4 is the electrical block diagram of one embodiment of radio frequency transmitter circuitry in Fig. 1 Doppler radar detection device；
Fig. 5 is the electrical block diagram that one embodiment of transmit circuit is received in Fig. 1 Doppler radar detection device；
Fig. 6 is the structural schematic diagram of another embodiment of the utility model Doppler radar detection device.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of Doppler radar detection devices.
The Doppler radar detection device can use inductive probe, and the form of the electronic products such as 86 induction panels is realized,
By Doppler radar detection device it can detecte vehicular traffic, crowd, and have nobody to interior suitable for hotel, household
Member is detected.
Referring to figs. 1 to Fig. 6, in an embodiment of the utility model, which includes master controller
10, RF local oscillator circuit 20, radio frequency transmitter circuitry 30 and RF receiving circuit 40, the input terminal of the master controller 10 is for connecing
Enter frequency point adjustment control instruction, the input terminal of the control terminal and the RF local oscillator circuit 20 that control the master controller 10 connects
It connects, the output end of the RF local oscillator circuit 20 is connect with the input terminal of the radio frequency transmitter circuitry 30, the radio frequency reception electricity
The output end on road 40 is connect with the input terminal of the master controller 10；Wherein,
The master controller 10, for the frequency point received adjustment control instruction to be converted to voltage control signal；
The RF local oscillator circuit 20, for exporting the radiofrequency signal of respective frequencies according to the voltage control signal, and
It is issued after the radio frequency transmitter circuitry 30；
The RF receiving circuit 40 for receiving the radiofrequency signal being reflected back, and carries out at signal mixed frequency signal
After reason and amplification, output to the difference frequency signal；
The master controller 10 exports corresponding detection after being also used to the difference frequency signal received carrying out signal conversion
Signal.
In the present embodiment, master controller 10 can be the microprocessors such as single-chip microcontroller, DSP and FPGA, those skilled in the art
Member can be by integrating some hardware circuits and software program or algorithm, to realize to RF local oscillator circuit in master controller 10
20 control, such as the equal hardware circuits of memory, ADC conversion circuit and filter 12 are integrated with, or compare for analyzing
The software algorithm program of the detection signal received.By running or executing the software journey being stored in 10 memory of master controller
Sequence and/or module, and the data being stored in memory are called, master controller 10 can receive the frequency point adjustment control of user's input
System instruction, for example, master controller 10 can with host computer communication connection, user can keyboard, mouse by host computer, or
Touch screen etc. exports the control instruction of frequency point adjustment, and master controller 10 adjusts control instruction in the frequency point for receiving user's input
Afterwards, control instruction is converted into corresponding voltage control instructions.Data-converting block is simulated by being integrated in master controller 10
Convert the analog signal into digital signal, and software algorithm program and/or hardware by being integrated in master controller 10 electricity
Road module the processing such as is compared, analyzes to the electric signal for being converted to digital signal, to determine that RF receiving circuit 40 exports
Distance etc. of detection signal when whether there are objects moving and object is mobile.
The voltage control signal that RF local oscillator circuit 20 can be exported according to master controller 10, exports the radio frequency of different frequency
Signal, RF local oscillator circuit 20 export any frequency of the rf frequency between 5.7~5.9GHz.In the present embodiment, radio frequency sheet
Shaking circuit 20 can be using every 5MHz as an output frequency point, and is adjusted between 5.7-5.9GHz, thus adjustable
31 frequency points are exported, to guarantee that frequency point work is authenticating in regulation frequency range, while can also be avoided in the same space, it is multiple
Doppler radar detection device is worked at the same time in the same frequency, generates co-channel interference.In this way, can be in the same space
Multiple Doppler radar detection devices are set, and dense distribution will not be generated and generate co-channel interference, and what appearance can not work
Problem.
It is understood that the radiofrequency signal that RF local oscillator circuit 20 generates is continuous, and the rf frequency is fixed, and is penetrated
The fixed frequency that the transmit-receive radio road that takes place frequently 30 exports is equivalent to impulse wave, and to spacescan, if detecting mobile target, example
Such as human body, when animal or vehicle, which can be received by reflection by RF receiving circuit 40, due to Doppler
Effect, RF receiving circuit 40 receives the rf frequency of reflection and the rf frequency of transmitting will appear difference on the frequency, i.e. Doppler
Frequency.RF receiving circuit 40 is somebody's turn to do after the rf frequency for receiving reflection and the rf frequency of transmitting are carried out Frequency mixing processing
Difference on the frequency, i.e. difference frequency signal, and export after the difference frequency signal is amplified processing to master controller 10.Master controller 10 should
After the difference frequency signal of simulation carries out the conversion of analog to digital signal and signal processing, the corresponding detection signal of output to host computer, on
Position machine determines the size of the Doppler frequency according to the detection signal, can measure mobile target relatively to the diametrically fortune of radar
Dynamic speed measures distance and the position of target then further according to the time difference of transmitting rf frequency and reception rf frequency.
Master controller 10, RF local oscillator circuit 20, radio-frequency transmissions electricity is arranged in the utility model Doppler radar detection device
Road 30 and RF receiving circuit 40, and the frequency point received adjustment control instruction is converted to by voltage by master controller 10
Signal is controlled, so that RF local oscillator circuit 20 exports the radiofrequency signal of respective frequencies according to the voltage control signal, and through institute
After stating radio frequency transmitter circuitry 30, in the space of measurement, if detecting mobile target, such as human body, animal or vehicle
When, which can be received by reflection by RF receiving circuit 40, and carry out signal mixing through RF receiving circuit 40
After signal processing and amplification, export to the difference frequency signal to master controller 10, so that the difference frequency that master controller 10 will receive
After signal carries out signal conversion, corresponding detection signal is exported, to realize the distance and position detection of target.The utility model is real
It is adjustable to have showed RF spot, co-channel interference can be effectively prevented from, solve the problems, such as dense distribution.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the RF local oscillator circuit 20 includes the crystal oscillator being sequentially connected electrically
21, phase-locked loop chip 22, loop filter 23 and voltage controlled oscillator 24, the input terminal of the voltage controlled oscillator 24 are the radio frequency
The input terminal of local oscillation circuit 20, the frequency dividing end of the voltage controlled oscillator 24 are connect with the phase-locked loop chip 22, the voltage-controlled vibration
The output end for swinging device 24 is the output end of the RF local oscillator circuit 20.
In the present embodiment, voltage controlled oscillator 24 controlled according to input voltage signal voltage (voltage be input signal with
The error of standard signal) adjust the frequency and phase of control output signal, crystal oscillator 21 exports the high-frequency signal of generation to lock
Phase ring core piece 22, phase-locked loop chip 22 carry out phase bit comparison one dynamic of formation and smoothly differ, and lock input signal to stablize
Phase, and through loop filter 23 filtering after, export a voltage and be supplied to voltage controlled oscillator 24, so that voltage controlled oscillator 24
Export the radiofrequency signal of a stable frequency between 5.7~5.9GHz.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the radio frequency transmitter circuitry 30 include successively with the transmitting
Coupler 31, power amplifier 32 and the transmitting antenna 33 for circuit connection of shaking, the coupled end of the coupler 31 are also penetrated with described
Frequency receives circuit 40 and connects.
In the present embodiment, power amplifier 32 is for output after amplifying the rf frequency received to coupler
31, so that emitted antenna 33 is launched after the radiofrequency signal received is couple transmitting antenna 33 by coupler 31.Coupling
The radiofrequency signal that device 31 is also used to receive is coupled to the frequency mixer 42 of RF receiving circuit 40.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the RF receiving circuit 40 includes receiving antenna 41, frequency mixer
42, intermediate frequency amplifier 43, the receiving antenna 41 are connect with the first input end of the frequency mixer 42, and the of the frequency mixer 42
Two input terminals are connect with the coupled end of the coupler 31；The output end of the frequency mixer 42 is defeated with the intermediate frequency amplifier 43
Enter end connection, the output end of the intermediate frequency amplifier 43 is the output end of the RF receiving circuit 40.
In the present embodiment, receiving antenna 41 is exported for receiving the radiofrequency signal being reflected back, and by the radiofrequency signal received
To frequency mixer 42, frequency mixer 42 obtains difference on the frequency after the rf frequency of reflection and the rf frequency of transmitting are carried out Frequency mixing processing,
That is difference frequency signal, and the difference frequency signal is exported to intermediate frequency amplifier 43, it exports after 43 enhanced processing of intermediate frequency amplifier to institute
Difference frequency signal is stated to master controller 10.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the RF receiving circuit 40 further includes gain-controlled amplifier
44, the gain amplifier is arranged in series between the frequency mixer 42 and the intermediate frequency amplifier 43.
In the present embodiment, gain-controlled amplifier 44 is used to the difference frequency signal that frequency mixer 42 exports amplifying processing,
To adjust the output gain of intermediate frequency amplifier 43, effectively increase detecting distance, reaches as high as 15 meters.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the master controller 10 includes ADC converting unit 11, filter
12 and signal processor 13, the ADC converting unit 11 is the input terminal of the master controller 10, the ADC converting unit 11
13 are successively connect with the filter 12 and the signal processor, the output end of the signal processor 13 is the main control
The output end of device 10.
In the present embodiment, which is digital filter 12, can use finite impulse response (FIR) filter 12
It is realized with 12 filter 12 of infinite-duration impulse response (IIR) filter.ADC converting unit 11 will receive the difference frequency signal of simulation
It exports after being converted to digital signal to digital filter 12, and exports after the filtering of digital filter 12 to signal processor 13,
It is integrated with software algorithm program in signal processor 13, to carry out algorithm process to the detection signal received, and generates phase
Corresponding detection signal is exported after the detection signal answered to host computer, host computer determines the Doppler frequency according to the detection signal
Size, mobile target can be measured relatively to the diametrically movement velocity of radar, then further according to transmitting rf frequency and connect
The time difference for receiving rf frequency, measure distance and the position of target.It is understood that master controller further includes that DAC conversion is single
14, DAC of member converting unit 14 is used to be converted to the frequency point adjustment control instruction of the digital signal received the electricity of analog signal
It exports after voltage-controlled signal processed to RF local oscillator circuit 20.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the master controller 10 and the Doppler radar detection device
It further include SPI interface 50, the master controller 10 is communicated to connect by the SPI interface 50 with the RF local oscillator circuit 20.
In the present embodiment, SPI interface 50 has selection signal input port CS, synchronizing clock signals input port SCLK,
It is data-in port SDI and data-out port SDO, master controller 10 and transmitting local oscillator electricity is realized by above-mentioned port
The communication connection on road.
Referring to figs. 1 to Fig. 6, in a preferred embodiment, the Doppler radar detection device further include USB interface 60,
Serial line interface 70 and Ethernet card interface 80, the USB interface 60 are stored for connecting the master controller 10 with circumscribed USB
Device reads the data of circumscribed USB memory for the master controller 10；The serial line interface 70 be used for by master controller 10 with
The communication apparatus communication of external RS-232 agreement connects；The Ethernet card interface 80 is used for master controller 10 and external TCP/
The communication apparatus communication of IP agreement connects.
In this city embodiment, USB interface 60 can be used for connecting with PC machine, can realize master controller by the USB interface 60
The data of 10 reading PC machine or PC machine can transfer data to master controller 10 by USB interface 60, realize master controller 10
Communication connection between PC machine, while can also realize that the power supply in Doppler radar detection device turns by USB interface 60
The electrical connection for changing circuit and external power supply, master controller 10, radio frequency sheet by USB interface 60 to Doppler radar detection device
Other circuit modules such as circuit 20 that shake are powered.It, can be by host computer and master controller by 80 connected with network cable of Ethernet card interface
10 connect and realize communication, and master controller 10 has been configured data, then host computer may browse through master by Ethernet card interface 80
The supplemental characteristic that controller 10 is arranged, the Ethernet card interface 80 is optional to be realized using RTL8019AS module.Serial line interface 70
For master controller 10 to be connect with the communication apparatus communication of external RS-232 agreement.
The present embodiment can also be connect by external-connected port and exterior display screen, touch screen, key circuit module etc., be realized
Frequency point adjustment control instruction setting and display.
The utility model also proposes a kind of radar observation system, including central processing unit, communication interface and multiple institutes as above
The Doppler radar detection device stated.The detailed construction of the Doppler radar detection device can refer to above-described embodiment, herein not
It repeats again；It is understood that due to having used above-mentioned Doppler radar detection dress in the utility model radar observation system
It sets, therefore, the embodiment of the utility model radar observation system includes above-mentioned Doppler radar detection device whole embodiments
Whole technical solutions, and technical effect achieved is also identical, details are not described herein.
Wherein, the central processing unit by the communication interface respectively with multiple Doppler radar detection devices
Telecommunication circuit connection.It is understood that the frequency point of Doppler radar detection device is adjustable due in above-described embodiment, support
Every 5MHz adjusts a frequency point, and totally 41 frequency points coordinate adjustment output in 5.7-5.9GHz, and the utility model is in a space
It is interior to arrange multiple general Le radar detection devices, and guarantee each Doppler radar detection device work in different frequency points
It is interior.When solving dense distribution, the problem of co-channel interference.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of Doppler radar detection device, which is characterized in that the Doppler radar detection device includes master controller, penetrates
Frequency local oscillation circuit, radio frequency transmitter circuitry and RF receiving circuit, the input terminal of the master controller is for access frequency point adjustment control
System instruction, the control terminal of the master controller are connect with the input terminal of the RF local oscillator circuit, the RF local oscillator circuit
Output end is connect with the input terminal of the radio frequency transmitter circuitry, the output end of the RF receiving circuit and the master controller
Input terminal connection；Wherein,
The master controller, for the frequency point received adjustment control instruction to be converted to voltage control signal；
The RF local oscillator circuit, for exporting the radiofrequency signal of respective frequencies according to the voltage control signal, and described in warp
It is issued after radio frequency transmitter circuitry；
The RF receiving circuit for receiving the radiofrequency signal being reflected back, and carries out the processing of signal mixed frequency signal and puts
After big, output to the master controller；
The master controller exports corresponding detection signal after being also used to the difference frequency signal received carrying out signal conversion.
2. Doppler radar detection device as described in claim 1, which is characterized in that the RF local oscillator circuit includes successively
Crystal oscillator, phase-locked loop chip, loop filter and the voltage controlled oscillator of electrical connection, the input terminal of the voltage controlled oscillator are described penetrate
The frequency dividing end of the input terminal of frequency local oscillation circuit, the voltage controlled oscillator is connect with the phase-locked loop chip, the voltage controlled oscillator
Output end be the RF local oscillator circuit output end.
3. Doppler radar detection device as claimed in claim 2, which is characterized in that the radio frequency that the voltage controlled oscillator generates
Any frequency of the frequency between 5.7~5.9GHz.
4. Doppler radar detection device as described in claim 1, which is characterized in that the radio frequency transmitter circuitry includes successively
With coupler, power amplifier and the transmitting antenna of the RF local oscillator circuit connection, the coupled end of the coupler also with institute
State RF receiving circuit connection.
5. Doppler radar detection device as claimed in claim 4, which is characterized in that the RF receiving circuit includes receiving
Antenna, frequency mixer, intermediate frequency amplifier, the receiving antenna are connect with the first input end of the frequency mixer, the frequency mixer
Second input terminal is connect with the coupled end of the coupler；The input terminal of the output end of the frequency mixer and the intermediate frequency amplifier
Connection, the output end of the intermediate frequency amplifier are the output end of the RF receiving circuit.
6. Doppler radar detection device as claimed in claim 5, which is characterized in that the RF receiving circuit further includes increasing
Benefit control amplifier, the gain-controlled amplifier are arranged in series between the frequency mixer and the intermediate frequency amplifier.
7. Doppler radar detection device as described in claim 1, which is characterized in that the master controller includes ADC conversion
Unit, filter and signal processor, the ADC converting unit are the input terminal of the master controller, the ADC converting unit
It is successively connect with the filter and the signal processor, the output end of the signal processor is the defeated of the master controller
Outlet.
8. Doppler radar detection device as described in claim 1, which is characterized in that the master controller and the Doppler
Radar detection device further includes SPI interface, and the master controller is connected by the SPI interface and the RF local oscillator circuit communication
It connects.
9. the Doppler radar detection device as described in claim 1 to 8 any one, which is characterized in that Doppler's thunder
It further include USB interface, serial line interface and Ethernet card interface up to detection device, the USB interface is for connecting the main control
Device and circumscribed USB memory read the data of circumscribed USB memory for the master controller；The serial line interface is used for will
Master controller is connect with the communication apparatus communication of external RS-232 agreement；The Ethernet card interface is for by master controller and outside
Connect the communication apparatus communication connection of ICP/IP protocol.
10. a kind of radar observation system, which is characterized in that including central processing unit, communication interface and it is multiple as claim 1 to
Doppler radar detection device described in 9 any one, the central processing unit by the communication interface respectively with multiple institutes
State the telecommunication circuit connection of Doppler radar detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007925.9U CN208580199U (en) | 2018-06-27 | 2018-06-27 | Doppler radar detection device and radar observation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007925.9U CN208580199U (en) | 2018-06-27 | 2018-06-27 | Doppler radar detection device and radar observation system |
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| Publication Number | Publication Date |
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| CN208580199U true CN208580199U (en) | 2019-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI753282B (en) * | 2019-03-22 | 2022-01-21 | 鄒高迪 | A microwave detector and a radiation interference prevention method based on the doppler effect principle |
-
2018
- 2018-06-27 CN CN201821007925.9U patent/CN208580199U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI753282B (en) * | 2019-03-22 | 2022-01-21 | 鄒高迪 | A microwave detector and a radiation interference prevention method based on the doppler effect principle |
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Granted publication date: 20190305 |