CN206251091U - A kind of Ka wave band MIMO R-T units for cloud target acquisition experiment - Google Patents
A kind of Ka wave band MIMO R-T units for cloud target acquisition experiment Download PDFInfo
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- CN206251091U CN206251091U CN201621341053.0U CN201621341053U CN206251091U CN 206251091 U CN206251091 U CN 206251091U CN 201621341053 U CN201621341053 U CN 201621341053U CN 206251091 U CN206251091 U CN 206251091U
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Abstract
The utility model discloses a kind of Ka wave band MIMO R-T units for cloud target acquisition experiment, and it includes signal transmitting module and signal receiving module；Signal transmitting module includes the up-conversion mixer, Ka wave bands bandpass filter and the multi-channel switch selection output unit that are sequentially connected；Multi-channel switch selection output unit includes output selector switch, first switch driver element, and at least 2 signal output branch roads；Signal receiving module includes the multi-channel switch selection input block, low-noise amplifier, down-conversion mixer, low pass filter and the intermediate frequency amplifier that are sequentially connected；Multi-channel switch selection input block includes input selector switch, second switch driver element, and at least 2 signal input branch roads.The utility model can be from multiple receiving channel transceiving electromagnetic ripples, and the echo-signal for receiving is changed into intermediate-freuqncy signal by millimeter-wave signal, it is easy to the subsequent treatment to echo-signal, while the utility model device can realize full coherent system, the phase information of target detection signal can be obtained.
Description
Technical field
The utility model is related to millimeter wave MIMO Detection Techniques fields, particularly a kind of Ka for cloud target acquisition experiment
Wave band MIMO R-T units.
Background technology
Millimeter wave MIMO technology shows wide application prospect at aspects such as communication, imaging, Atmospheric Surveys.Wherein,
In Atmospheric Survey field, especially cloud target acquisition field, the technology both make use of the advantage of millimeter wave detection high precision, and sharp
Can be obtained from the structure and feature of multiple angular observation cloud targets using the advantage of aspect in space resources with MIMO technology
Take micro-parameter in high accuracy cloud.
Still belong to new research field, it is necessary to carry out substantial amounts of experiment behaviour using the target acquisition of entering to rack of millimeter wave MIMO technology
Make, therefore the Ka wave band MIMO R-T units studied for cloud target acquisition experimental study have very important significance.Ka ripples
Section MIMO R-T units mainly realize the transmission of multichannel Ka band signals and receive, and reception signal is down-converted to are easy to treatment
Intermediate-freuqncy signal, whole device need meet enters the requirement of experiment of target acquisition of racking using MIMO technology.
At present, domestic existing Ka wave bands MIMO R-T units are substantially for millimeter wave MIMO Research on Communication Technology,
System is huge and complicated, the Ka wave band MIMO receiving front-ends design such as in document " research of broadband millimeter-wave communications reception front end "
Index is all directed to 5G with system architecture and communicates, and is not suitable for the experimental study of cloud target acquisition.
Utility model content
The purpose of this utility model is：A kind of Ka wave band MIMO R-T units for cloud target acquisition experiment are provided, its
From multiple antenna channels transceiving electromagnetic ripples, and the echo-signal for receiving can be changed into intermediate-freuqncy signal by millimeter-wave signal,
It is easy to the subsequent treatment to echo-signal, while full coherent system can be realized, to obtain the phase information of target detection signal.
The technical scheme that the utility model is taken is specially：A kind of Ka wave bands MIMO transmitting-receivings for cloud target acquisition experiment
Device, including signal transmitting module and signal receiving module；
Signal transmitting module includes the up-conversion mixer, Ka wave bands bandpass filter and the multi-channel switch choosing that are sequentially connected
Select output unit；Input input intermediate-freuqncy signal and first local oscillation signal of up-conversion mixer；Multi-channel switch selection output
Unit includes output selector switch, first switch driver element, and at least 2 inputs connect output selector switch output respectively
The signal output branch road at end；The output end of Ka wave band bandpass filters connects the input of output selector switch, and first switch is driven
What moving cell controlled output selecting switch was circulated in turn switches on each output branch road；
Signal receiving module includes the multi-channel switch selection input block, low-noise amplifier, the down coversion that are sequentially connected
Frequency mixer, low pass filter and intermediate frequency amplifier；Multi-channel switch selection input block includes input selector switch, second switch
Driver element, and at least 2 output ends connect the signal input branch road of input selector switch input respectively, and second switch drives
What unit control input selecting switch was circulated in turn switches on each input branch road；The output end connection low noise of input selector switch is put
The input of big device, the input of down-conversion mixer has also been input into the second local oscillation signal, the output end output of intermediate frequency amplifier
Intermediate-freuqncy signal；
First local oscillation signal and the second local oscillation signal are frequency, amplitude and phase all identical signals；Input branch road
Quantity with output branch road is identical.
In the utility model, up-conversion mixer is used to be mixed baseband signal with local oscillation signal, exports Ka wave bands
Radiofrequency signal, there is provided give Ka wave band bandpass filters, Ka wave bands bandpass filter is used to filter up-conversion mixer output end
Local oscillator leakage signal, base band leakage signal and harmonic wave, it is ensured that the pure Ka waveband radio frequency signals of output.Low-noise amplifier
For amplifying the signal for receiving, while ensureing that receiving terminal has low-noise factor, strengthen the sensitivity of whole receiving portion.Under
Conversion mixer is used to be mixed reception signal with local oscillation signal, exports intermediate-freuqncy signal.Low pass filter is used to filter down
The local oscillator leakage signal of conversion mixer medium frequency output end, radio frequency leakage signal and harmonic signal, it is ensured that IF output signal
It is pure.
In use, signal emission part, output selector switch is selected the utility model successively from multiple output branch roads
Ka band signals are exported all the way, and signal receiving part point, input selector switch selects to export all the way successively from multiple input branch road
To low-noise amplifier.
Preferably, the utility model also includes power divider, and the input of power divider is input into local oscillation signal source, the
One local oscillation signal and the second local oscillation signal are that the two-way exported after local oscillation signal source carries out power distribution through power divider is identical
Local oscillation signal.
Further, power amplifier, the input of power amplifier are also included in the utility model signal transmitting module
The output end of Ka wave band bandpass filters is connected, output end connects the input of output selector switch.Power amplifier can be used for
Amplify the power with transmission signal.
Preferably, in the utility model, first switch driver element control input selecting switch is circulated in a time division manner
In turn switch on each output branch road；What second switch driver element control input selecting switch was circulated in a time division manner in turn switches on each
Input branch road.Time division way can ensure validity while multichannel input and output, it is ensured that the realization of MIMO forms, improve signal
The efficiency of transmitting-receiving process.
Further, the utility model also includes the power module for offer device operating voltage.Each unit is distinguished
Connection power supply is with maintenance work.
Preferably, the utility model input selector switch and output selector switch are all the throw switch of hilted broadsword four, are input into branch road
4 are all with output branch road.Input selector switch and output selector switch can select existing electronic switch, and corresponding switch drives
Moving cell can also use existing product, and the control mode of switch drive unit can be using TTL signal control, the positive and negative 10mA electricity of output
Stream, as the driving current of the throw switch of hilted broadsword four in transmitting and receiving portion, the break-make of controlling switch, and different inputs or defeated
The connection of out branch.
Further, the utility model also includes wire chamber shell, and separating in wire chamber shell has at least 5 chambers, low noise
Amplifier, down-conversion mixer, up-conversion mixer, Ka wave bands bandpass filter and input selector switch are located at first chamber
In, low pass filter and intermediate frequency amplifier are located in second chamber, and second switch drive module is located in the 3rd chamber, and first opens
Close drive module to be located in the 4th chamber, selection output switch is located in the 5th chamber.Switch driving section, intermediate frequency can be avoided defeated
The interference gone out between part and radio circuit.Power divider is also located in first chamber with radio circuit part.More than
Separating for circuit part can conveniently adjust the distance of transmitting antenna and reception antenna, and conveniently increase other devices pair as needed
Transmitting radiofrequency signal is processed, and such as increasing power amplifier is used to amplify transmission power.
Preferably, above-mentioned wire chamber shell is 2, and first chamber, second chamber, the 3rd chamber are located at the first wire chamber shell
Interior, the 4th chamber and the 5th chamber are located in the second wire chamber shell.First wire chamber shell is provided with defeated for connecting the second selection
Enter the receiver port of switch, the local oscillator input port for connecting power divider, set for connecting signal analysis and processing
Standby medium frequency output end mouthful, the radio frequency output port for connecting output selector switch, and signal input end of intermediate frequency mouthful.Second gold medal
Category chamber shell is provided with the rf inputs mouthful for connecting foregoing radio frequency output port, and signal sending end mouthful.This set side
Formula is separated radio frequency output par, c with other parts circuit, the biography between carrying out signal by setting port on the shell of chamber
It is defeated.Chamber in wire chamber shell separate can for middle part it is laterally separated after longitudinal subdivision again as needed.Preferably, first chamber position
In the front portion of wire chamber shell, second chamber and the 3rd chamber are positioned at the back of wire chamber shell；4th chamber and the 5th chamber are distinguished
Positioned at the front portion of the second wire chamber shell and back.Due to radio-frequency transmissions part being separated with other parts, therefore this practicality
Novel power supply is also required to set two, and the first switch driver element and corresponding power supply of emitting portion are located in same chamber,
The second switch driver element and power supply of receiving portion are located in same chamber.
Beneficial effect
1）The utility model selects input/output signal using RF switch, it is contemplated that cloud object variations are slow, by when
Point mode realizes multiple-input and multiple-output（MIMO）, received and emission system compared to the multichannel for realizing MIMO forms, the device knot
Structure is simple, and cost is relatively low, it is adaptable to the Laboratory Observation research of cloud target；
2）The utility model takes full coherent working method, and transmitting utilizes identical local oscillation signal with receiving portion, can be with
Effectively obtain phase information；Meanwhile, the device separates the switch selection output module of emitting portion, beneficial to arbitrarily adjustment transmitting
Position and relative distance with reception, beneficial to the advantage for preferably playing MIMO forms.
Brief description of the drawings
Fig. 1 show the utility model theory structure schematic diagram；
Fig. 2 show the first chamber structural representation of the utility model the first wire chamber shell；
Fig. 3 show the second chamber structural representation of the utility model the first wire chamber shell；
The anterior and back structures schematic diagram of the utility model the second wire chamber shell is respectively shown in Fig. 4-1 and Fig. 4-2；
Fig. 5 show the utility model Ka wave band bandpass filter schematic diagrames；
Fig. 6 show the utility model CMRC low pass filter schematic diagrames.
Specific embodiment
Further described below in conjunction with the drawings and specific embodiments.
With reference to shown in Fig. 1, the utility model is used for the Ka wave band MIMO R-T units of cloud target acquisition experiment, including signal
Sending module and signal receiving module；
Signal transmitting module includes up-conversion mixer Mixer1, Ka wave band bandpass filter BPF for being sequentially connected and many
Channel switch selects output unit 2；The input input intermediate-freuqncy signal IF_IN and the first local oscillator letter of up-conversion mixer Mixer1
Number LO1；Multi-channel switch selection output unit 2 includes output selector switch, first switch driver element, and at least 2 inputs
End connects the signal output branch road of output selector switch output end respectively；The output end connection of Ka wave band bandpass filters BPF is defeated
Go out the input of selecting switch, what first switch driver element controlled output selecting switch was circulated in turn switches on each output branch road；
Signal receiving module includes the multi-channel switch selection input block, low-noise amplifier LNA, the lower change that are sequentially connected
Frequency mixer Mixer2, low pass filter LPF and intermediate frequency amplifier IFA；Multi-channel switch selection input block includes that input is selected
Select switch, second switch driver element, and at least 2 output ends connect the signal input branch of input selector switch input respectively
Road, what second switch driver element control input selecting switch was circulated in turn switches on each input branch road；Input selector switch it is defeated
Go out the input that end connects low-noise amplifier LNA, the input of down-conversion mixer Mixer2 has also been input into the second local oscillator letter
The output end output intermediate-freuqncy signal IF_OUT of number LO2, intermediate frequency amplifier IFA；
The first local oscillation signal LO1 and the second local oscillation signal LO2 is frequency, amplitude and phase all identical signals；It is defeated
Enter branch road identical with the quantity of output branch road.
Embodiment 1
The present embodiment also includes power divider, the input input local oscillation signal source LO of power divider, the first local oscillator
Signal LO1 and the second local oscillation signal LO2 is the two-way phase exported after local oscillation signal source LO carries out power distribution through power divider
Same local oscillation signal.
Also include power amplifier, the input connection Ka wave band bandpass filters of power amplifier in signal transmitting module
Output end, output end connect output selector switch input.Power amplifier can be used to amplify the power with transmission signal.
What first switch driver element control input selecting switch was circulated in a time division manner in turn switches on each output branch road；The
What two switch drive unit control input selecting switch were circulated in a time division manner in turn switches on each input branch road.Time division way can be protected
Validity while card multichannel input and output, it is ensured that the realization of MIMO forms, improves the efficiency of signal transmitting and receiving treatment.
The present embodiment also includes the power module for offer device operating voltage.Each unit connects power supply to maintain respectively
Work.
Input selector switch and output selector switch are all the throw switch of hilted broadsword four, input branch road and output branch in the present embodiment
Road is all 4, wherein input tributary port corresponds to receive signal Re_Sign1, Re_Sign2, Re_Sign3 and Re_ respectively
Sign4, output tributary port corresponds to sending signal Tr_Sign1, Tr_Sign2, Tr_Sign3 and Tr_Sign4 respectively.Input choosing
Select switch and output selector switch can select existing electronic switch, corresponding switch drive unit can also use existing product,
The control mode of switch drive unit can export positive and negative 10mA electric currents using TTL signal control, used as in transmitting and receiving portion
The driving current of the throw switch of hilted broadsword four, the break-make of controlling switch, and different inputs or the connection of output branch road.
In use, IF input signals are input into from interface IF_IN, are exported by up-conversion mixer with local oscillator LO1 and penetrated
Frequency signal RF_Sign, then harmonic wave and local oscillator leakage are filtered by Ka wave band bandpass filters, export more pure 35GHz and penetrate
Frequency signal, the signal is exported from interface RF_OUT.
Four tunnels receive signal and are input into from interface Re_Sign1, Re_Sign2, Re_Sign3, Re_Sign4, are selected by switching
Select output module selection and receive signal to low-noise amplifier all the way, the signal after amplification is mixed with local oscillator LO2 by down coversion
Device is mixed, then by low pass filter, intermediate frequency amplifier, output intermediate-freuqncy signal to interface IF_OUT.Local oscillator LO1 and local oscillator LO2
The local oscillation signal LO being input into by external interface LO_IN divides equally gained by power divider, and both amplitudes are identical with phase holding.
35GHz radiofrequency signals are input into by RF_IN interfaces, by the throw switch of hilted broadsword four on time point mode select to export successively to
Four road output interface Tr_Sign1, Tr_Sign2, Tr_Sign3, Tr_Sign4.
Embodiment 2
Referring to figs. 1 to shown in Fig. 4, being divided into 2 liang of R-T unit main body 1 and radio frequency transmitting portion on the present embodiment apparatus structure
Individual part, is respectively placed in two discrete wire chamber shells.Radio frequency transmitting portion 2 includes that multi-channel switch selects output unit,
And the power module powered for it.The purpose that device is divided into two parts is easy for adjusting transmitting antenna and reception antenna in practice
Relative position and distance, while be easy to applied power amplifier increase transmission power.
2 two parts of R-T unit main body 1 and radio frequency transmitting portion all include power module respectively.In order to reduce extraneous electricity
Magnetic disturbance and the stability of increase system, two parts are respectively placed in two wire chamber shells, in order to reduce the phase between module
Mutually interference, the present embodiment has carried out a point chamber treatment to two wire chamber shells.
Separating referring to figs. 2 to Fig. 4, in two wire chamber shells has totally 5 chambers, first chamber, second chamber, the 3rd chamber
In the first wire chamber shell, the 4th chamber and the 5th chamber are located in the second wire chamber shell.First chamber is located at wire chamber shell
Front portion, second chamber and the 3rd chamber are located at the back of wire chamber shell；4th chamber and the 5th chamber are located at the second gold medal respectively
The front portion and back of category chamber shell.Low-noise amplifier 12, down-conversion mixer 13, up-conversion mixer 15, the filter of ka wave bands band logical
Ripple device 16 and input selector switch 11 are located in first chamber, and low pass filter 20 and intermediate frequency amplifier 21 are located at second chamber
In, second switch drive module 18 is located in the 3rd chamber, and first switch drive module is located in the 4th chamber, and selection output is opened
Off-position is in the 5th chamber.The interference between switch driving section, intermediate frequency output par, c and radio circuit can be avoided.Power point
Orchestration is also located in first chamber with radio circuit part.
As shown in Figures 2 and 3, the first wire chamber shell is provided with for connecting the second signal receiving end for selecting input switch
Mouth 3（4、5、6）, it is local oscillator input port 9 for connecting power divider, defeated for connecting the intermediate frequency of signal analysis and processing equipment
Exit port 22, the radio frequency output port 7 for connecting output selector switch, and signal input end of intermediate frequency mouthful 8.Second wire chamber shell
It is provided with the rf inputs mouthful and signal sending end mouthful for connecting foregoing radio frequency output port.This setup is by radio frequency
Output par, c is separated with other parts circuit, the transmission between carrying out signal by setting port on the shell of chamber.Metal
Chamber in the shell of chamber separate can for middle part it is laterally separated after longitudinal subdivision again as needed.Due to by radio-frequency transmissions part and other
Part is separated, therefore the utility model power supply is also required to set two, the first switch driver element and phase of emitting portion
The power supply answered is located in same chamber, and the second switch driver element 18 and power supply 19 of receiving portion are located in same chamber.The
Nine needles serial port 17 is additionally provided with one wire chamber shell.
In the present apparatus, all of signal input output end mouthful joint selection 2.92mm joints, this joint upper limit uses frequency
Rate is up to 40GHz, wherein, adjacent spacing is 15mm between joint 3-6, and the distance can reduce intercoupling between antenna.Open
Selection input and the RF switch selection MA4AGSW4 selected in output module are closed, this switches on-off what is provided by biasing networks
Driving current is controlled, and the driving current of path is -10mA, and the driving current of open circuit is+10mA.Low-noise amplifier is selected
HMC1040LP3CE, in 35GHz, gain is 23dB, and noise coefficient is 2.2dB.Up-conversion and down-conversion mixer are all selected
AMMP6545, the device has up-conversion and frequency down-conversion function simultaneously, and local oscillation signal frequency multiplier is contained in inside, and conversion loss is about
13dB.Power divider selects Wilkinson power divider, because local oscillator frequency multiplier is contained in frequency mixer inside, the power divider
Centre frequency is 17.35GHz.
Radio circuit substrate is substrate where each circuit of first chamber in the present embodiment, from Roger RT5880, thickness
0.254mm.To reduce system loss, selection coplanar waveguide ground (CPWG) is used as Ka band signal transmission line structures.
In the present embodiment, intermediate frequency amplifier selection HMC741, gain is about 20dB, is powered using single supply.Intermediate-freuqncy signal
Wire chamber is passed through by thin coaxial line by the medium frequency output end of down-conversion mixer, the input of low pass filter is connected to.
As shown in figure 5, being Ka wave band narrow band filter schematic diagrames, the wave filter is justified using substrate integration wave-guide bimodulus
The structure of chamber and elliptic cavity cascade, centre frequency 35GHz, bandwidth 1GHz are about 3.5dB with interior Insertion Loss, with outer 34.4GHz with
Out-of-band rejection at 35.6GHz is more than 20dB.
CMRC low pass filter schematic diagrames are illustrated in figure 6, the wave filter has the advantages that stopband is wide, can press down well
Make the harmonic wave of the Ka waveband radio frequencies signal, local oscillation signal and down-conversion mixer output of leakage, it is ensured that it is pure that intermediate frequency is exported.
The present embodiment breaker in middle drives mould selection driving chip BHD-P3514, and the chip is two-way driver, by TTL
Signal controls the switched drive current of exportable ± 10mA, TTL control signals to be input into by nine needles serial port.
Power module utilizes low noise low-voltage-drop linear voltage regulator LT1965, voltage reversal chip in the present embodiment
ADM8660 and low noise low-voltage-drop linear voltage regulator LT1964, it is possible to provide the output voltage of+2.5V ,+5V and -5V, respectively
Low-noise amplifier, switch drive and intermediate frequency amplifier are powered.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and deformation can also be made, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (9)
1. it is a kind of for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, including signal transmitting module and
Signal receiving module；
Signal transmitting module includes that the up-conversion mixer, Ka wave bands bandpass filter and the multi-channel switch selection that are sequentially connected are defeated
Go out unit；Input input intermediate-freuqncy signal and first local oscillation signal of up-conversion mixer；Multi-channel switch selects output unit
Including output selector switch, first switch driver element, and at least 2 inputs connect output selector switch output end respectively
Signal output branch road；The output end of Ka wave band bandpass filters connects the input of output selector switch, and first switch drives single
What first controlled output selecting switch was circulated in turn switches on each output branch road；
Signal receiving module includes the multi-channel switch selection input block, low-noise amplifier, the down coversion mixing that are sequentially connected
Device, low pass filter and intermediate frequency amplifier；Multi-channel switch selection input block includes that input selector switch, second switch drive
Unit, and at least 2 output ends connect the signal input branch road of input selector switch input, second switch driver element respectively
What control input selecting switch was circulated in turn switches on each input branch road；The output end connection low-noise amplifier of input selector switch
Input, the input of down-conversion mixer has also been input into the second local oscillation signal, the output end output intermediate frequency of intermediate frequency amplifier
Signal；
First local oscillation signal and the second local oscillation signal are frequency, amplitude and phase all identical signals；Input branch road with it is defeated
The quantity of out branch is identical.
2. it is according to claim 1 for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, also wrap
Power divider is included, the input of power divider is input into local oscillation signal source, and the first local oscillation signal and the second local oscillation signal are this
The two-way identical local oscillation signal that signal source of shaking is exported after carrying out power distribution through power divider.
3. it is according to claim 1 for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, signal
Also include power amplifier in sending module, the input of power amplifier connects the output end of Ka wave band bandpass filters, defeated
Go out the input of end connection output selector switch.
4. it is according to claim 1 for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, also wrap
Include the power module for offer device operating voltage.
5. it is according to claim 1 for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, first
What switch drive unit control input selecting switch was circulated in a time division manner in turn switches on each output branch road；Second switch drives single
What first control input selecting switch was circulated in a time division manner in turn switches on each input branch road.
6. Ka wave band MIMO R-T units for cloud target acquisition experiment according to any one of claim 1 to 5, it is special
Levying is, input selector switch and output selector switch are all the throw switch of hilted broadsword four, and input branch road and output branch road are all 4.
7. Ka wave band MIMO R-T units for cloud target acquisition experiment according to any one of claim 1 to 5, it is special
Levying is, separating also including wire chamber shell, in wire chamber shell has at least 5 chambers, low-noise amplifier, down-conversion mixer, on
Conversion mixer, Ka wave bands bandpass filter and input selector switch are located in first chamber, and low pass filter and intermediate frequency amplify
Device is located in second chamber, and second switch drive module is located in the 3rd chamber, and first switch drive module is located at the 4th chamber
In, selection output switch is located in the 5th chamber.
8. Ka wave band MIMO R-T units for cloud target acquisition experiment according to any one of claim 1 to 5, it is special
Levying is, wire chamber shell is 2, and first chamber, second chamber, the 3rd chamber are located in the first wire chamber shell, the 4th chamber and the
Five chambers are located in the second wire chamber shell.
9. it is according to claim 8 for cloud target acquisition experiment Ka wave band MIMO R-T units, it is characterized in that, first
Chamber is located at the front portion of wire chamber shell, and second chamber and the 3rd chamber are located at the back of wire chamber shell；4th chamber and the 5th chamber
Room is respectively positioned at the front portion of the second wire chamber shell and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341053.0U CN206251091U (en) | 2016-12-08 | 2016-12-08 | A kind of Ka wave band MIMO R-T units for cloud target acquisition experiment |
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| CN201621341053.0U CN206251091U (en) | 2016-12-08 | 2016-12-08 | A kind of Ka wave band MIMO R-T units for cloud target acquisition experiment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633617A (en) * | 2018-12-19 | 2019-04-16 | 贵州航天电子科技有限公司 | A kind of millimeter wave transceiving front end extracted based on single channel target information |
| CN109921159A (en) * | 2019-03-14 | 2019-06-21 | 安徽华东光电技术研究所有限公司 | A kind of upconverter modular structure |
| CN109995397A (en) * | 2018-12-19 | 2019-07-09 | 安徽华东光电技术研究所有限公司 | 64 road Ka wave band array switch |
-
2016
- 2016-12-08 CN CN201621341053.0U patent/CN206251091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633617A (en) * | 2018-12-19 | 2019-04-16 | 贵州航天电子科技有限公司 | A kind of millimeter wave transceiving front end extracted based on single channel target information |
| CN109995397A (en) * | 2018-12-19 | 2019-07-09 | 安徽华东光电技术研究所有限公司 | 64 road Ka wave band array switch |
| CN109633617B (en) * | 2018-12-19 | 2023-05-23 | 贵州航天电子科技有限公司 | Millimeter wave receiving and dispatching front end based on single-channel target information extraction |
| CN109921159A (en) * | 2019-03-14 | 2019-06-21 | 安徽华东光电技术研究所有限公司 | A kind of upconverter modular structure |
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