CN207010655U - A kind of C-band signal receiver gathered in real time - Google Patents
A kind of C-band signal receiver gathered in real time Download PDFInfo
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- CN207010655U CN207010655U CN201720940608.1U CN201720940608U CN207010655U CN 207010655 U CN207010655 U CN 207010655U CN 201720940608 U CN201720940608 U CN 201720940608U CN 207010655 U CN207010655 U CN 207010655U
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Abstract
The utility model discloses a kind of C-band signal receiver gathered in real time, including frequency-variable module, AD collections subcard, signal transacting support plate and system process plate, the frequency-variable module receives the radiofrequency signal of input, signal output to AD is gathered in subcard by Digital Down Convert, subcard is gathered by AD and signal transacting support plate is handled signal, the data after processing are sent to system process plate.The frequency-variable module includes Digital Down Converter Module and PCI E support plates, Digital Down Converter Module receives radiofrequency signal, and the signal carried out after Digital Down Convert is sent to AD collection subcards, the power supply that the PCI E support plate reception systems process plate provides, and the fixation and power supply of interface are provided for Digital Down Converter Module.
Description
Technical field
It the utility model is related to a kind of C-band signal receiver, and in particular to a kind of C-band signal gathered in real time receives
Equipment.
Background technology
Scatter communication high-frequency apparatus has been widely used on C-band at present.With the development in epoch, high-frequency apparatus is wanted
More and more higher is sought, for example small volume, power are high, noise coefficient is low etc..If using coaxial duplexer, coaxial inside high-frequency apparatus
Switch can realize small volume using coaxial cable connection, but receiving channel noise coefficient is larger, about 3dB or so, and
Power exports from power amplifier delivery outlet to equipment will reduce 3dB or so.With the development of scatter communication technology, to C band communications system
The requirement of the transmission power of system is increasing, and the level threshold of reception signal is more and more lower, and integrated level requires more and more higher.In the past
High power amplifier equipment and transceiver equipment it is separate, in order to improve the integrated level of system, it is necessary to by two kinds of equipment
It is integrated.Simultaneously in order to be disturbed compared with the transmitting-receiving of skinny device, the transmitting-receiving degree of suppression of system is improved by increasing wave filter between level.
Utility model content
Technical problem to be solved in the utility model is can to carry out the signal of collection C-band in real time, and existing skill
Art integral module can not be arranged on it is a set of it is onboard on, integration degree is low, and it is an object of the present invention to provide a kind of C-band gathered in real time
Signal receiver, solve the problems, such as above-mentioned.
The utility model is achieved through the following technical solutions：
A kind of C-band signal receiver gathered in real time, including frequency-variable module, AD collection subcard, signal transacting support plate
With system process plate, the frequency-variable module receives the radiofrequency signal of input, is gathered signal output to AD by Digital Down Convert
In subcard, subcard is gathered by AD and signal transacting support plate is handled signal, the data after processing are sent to system
Manage in plate.The frequency-variable module includes Digital Down Converter Module and PCI-E support plates, and Digital Down Converter Module receives radiofrequency signal,
And the signal carried out after Digital Down Convert is sent to AD collection subcards, what the PCI-E support plates reception system process plate provided
Power supply, and the fixation and power supply of interface are provided for Digital Down Converter Module.The sample rate of wherein AD collection subcards is not less than
100MHz, and clock sampling inside and outside support；The sampling resolution of AD collection subcards is 14, and number of significant digit is not less than 10；Mould
Intend acquisition bandwidth and be not less than 20MHz, sampling way is 1 passage；Data acquisition is carried out using 1 passage, without carrying out data analysis,
The data of collection can carry out real-time frequency conversion, collect real-time data.The Digital Down Converter Module is by gathered data
Intermediate frequency is input to by Digital Down Convert.Using PCI-E buses, 1 road signal sampling can be realized, if sampling data can pass in real time
It is defeated to arrive calculator memory, and can store data into memory modules.
Further, the intermediate frequency that the process chip set inside the AD collections subcard passes through 4 passage 310MH z sample rates
Signal is acquired to frequency variation signal.Need to be acquired from the chip for possessing 4 passage 310MHz sample frequencys, in this equipment
The acquisition channel of 1 road 100MHz sample rates is only needed, disclosure satisfy that requirement.Be provided with the signal transacting support plate FPGA module and
Memory modules, after FPGA module receives the carry out calculation process that AD collection subcards are sent, send to system process plate, it is described
FPGA module can also be sent to system process plate out of memory modules after called data progress calculation process.This capture card is only
Need to use 1 passage, the intermediate-freuqncy signal after Digital Down Convert, then changed by ADC, data input to FPGA,
FFT and DDC calculation process is done in FPGA, is then uploaded to the data after processing in system process plate by PCIE, at system
The data of reception can be used for storing by reason plate, can also carry out signal application processing.
Further, the system process plate is arranged in Portable integral machine.Signal is advantageous to using integrated design
Each element is integrated inside receiver, and integrated design can allow all components be arranged on one it is onboard on, reduce
Cost, economize on resources.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of C-band signal receiver gathered in real time of the utility model, integration degree is high, and cost is relatively low, has
Effect economizes on resources；
2nd, a kind of C-band signal receiver gathered in real time of the utility model, can real-time data collection, reaction speed
It hurry up.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model overall flow schematic diagram.
Fig. 2 is Tthe utility model system internal process schematic diagram.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment
As shown in Figure 1, 2, a kind of C-band signal receiver gathered in real time of the utility model, a kind of C gathered in real time
Band signal receiving device, including frequency-variable module, AD collection subcard, signal transacting support plate and system process plate, the frequency conversion mould
Block receive input radiofrequency signal, by Digital Down Convert by signal output to AD gather subcard in, by AD gather subcard and
Signal transacting support plate is handled signal, and the data after processing are sent to system process plate.The frequency-variable module includes
Digital Down Converter Module and PCI-E support plates, Digital Down Converter Module receives radiofrequency signal, and carries out the signal after Digital Down Convert
Send to AD collection subcards, the power supply that the PCI-E support plates reception system process plate provides, and carried for Digital Down Converter Module
For the fixation and power supply of interface.The sample rate of wherein AD collection subcards is not less than 100MHz, and clock sampling inside and outside support；AD
The sampling resolution for gathering subcard is 14, and number of significant digit is not less than 10；Analog acquisition bandwidth is not less than 20MHz, samples way
For 1 passage；Data acquisition is carried out using 1 passage, without carrying out data analysis, the data of collection can carry out real-time frequency conversion,
Collect real-time data.Gathered data is input to intermediate frequency by the Digital Down Converter Module by Digital Down Convert.Using
PCI-E buses, 1 road signal sampling can be realized, if sampling data can be real-time transmitted to calculator memory, and can deposit data
Store up in memory modules.
The process chip set inside the AD collections subcard is by the intermediate-freuqncy signal of 4 passage 310MH z sample rates to becoming
Frequency signal is acquired.Need to be acquired from the chip for possessing 4 passage 310MHz sample frequencys, 1 tunnel is only needed in this equipment
The acquisition channel of 100MHz sample rates, it disclosure satisfy that requirement.FPGA module and internal memory mould are provided with the signal transacting support plate
Block, after FPGA module receives the carry out calculation process that AD collection subcards are sent, send to system process plate, the FPGA module
It can also be sent out of memory modules after called data progress calculation process to system process plate.This capture card only needs to use 1
Passage, the intermediate-freuqncy signal after Digital Down Convert, then changed by ADC, data input to FPGA, FFT is in FPGA
With DDC calculation process, then the data after processing are uploaded in system process plate by PCIE, system process plate is by reception
Data can be used for storing, and can also carry out signal application processing.AD capture cards in this equipment carry card+collection using signal transacting
The framework of subcard, the intermediate frequency capture card function of the equipment is formed using existing matured product completely.Signal transacting carries card and selected
PCIE-CG17KH, AD collection subcard select FMC-M4400, FMC-M4400 using Ti companies LTC2158 chips, every
Fixture is gathered for the intermediate-freuqncy signal of 4 passage 310MHz sample rates, and the acquisition channel of 1 road 100MHz sample rates is only needed in this equipment,
It disclosure satisfy that requirement.The AD that LTC2158 every has two passages is gathered, and this capture card only needs to use 1 passage, by under numeral
Intermediate-freuqncy signal after frequency conversion, then changed by ADC, data input to FPGA, FFT and DDC calculation process is done in FPGA, so
The data after processing are uploaded into system process plate by PCIE afterwards, the data of reception can be used for storing by x systems process plate,
Signal application processing can be carried out.
The system process plate is arranged in Portable integral machine.Be advantageous to using integrated design inside signal receiver
Each element it is integrated, and integrated design can allow all components be arranged on one it is onboard on, reduce cost, save money
Source.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of C-band signal receiver gathered in real time, it is characterised in that including frequency-variable module, AD collections subcard, signal
Support plate and system process plate are handled, the frequency-variable module receives the radiofrequency signal of input, by Digital Down Convert by signal output
To AD collection subcards, subcard is gathered by AD and signal transacting support plate is handled signal, the data after processing are sent
To system process plate.
A kind of 2. C-band signal receiver gathered in real time according to claim 1, it is characterised in that the frequency conversion
Module includes Digital Down Converter Module and PCI-E support plates, and Digital Down Converter Module receives radiofrequency signal, and carries out Digital Down Convert
Signal afterwards is sent to AD collection subcards, the power supply that the PCI-E support plates reception system process plate provides, and is become for numeral is lower
Frequency module provides the fixation and power supply of interface.
3. a kind of C-band signal receiver gathered in real time according to claim 1, it is characterised in that the AD is adopted
The process chip set inside collection subcard is acquired by the intermediate-freuqncy signal of 4 passage 310MH z sample rates to frequency variation signal.
A kind of 4. C-band signal receiver gathered in real time according to claim 1, it is characterised in that the signal
FPGA module and memory modules are provided with processing support plate, FPGA module receives the carry out calculation process that AD collection subcards are sent
Afterwards, send to system process plate, the FPGA module can also be sent out of memory modules after called data progress calculation process
To system process plate.
A kind of 5. C-band signal receiver gathered in real time according to claim 1, it is characterised in that the system
Process plate is arranged in Portable integral machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720940608.1U CN207010655U (en) | 2017-07-31 | 2017-07-31 | A kind of C-band signal receiver gathered in real time |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720940608.1U CN207010655U (en) | 2017-07-31 | 2017-07-31 | A kind of C-band signal receiver gathered in real time |
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| CN207010655U true CN207010655U (en) | 2018-02-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508609A (en) * | 2017-07-31 | 2017-12-22 | 成都普诺科技有限公司 | C-band signal receiver with real-time acquisition function |
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2017
- 2017-07-31 CN CN201720940608.1U patent/CN207010655U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508609A (en) * | 2017-07-31 | 2017-12-22 | 成都普诺科技有限公司 | C-band signal receiver with real-time acquisition function |
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