CN202841099U - Control device for microwave system - Google Patents
Control device for microwave system Download PDFInfo
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- CN202841099U CN202841099U CN201220495236.3U CN201220495236U CN202841099U CN 202841099 U CN202841099 U CN 202841099U CN 201220495236 U CN201220495236 U CN 201220495236U CN 202841099 U CN202841099 U CN 202841099U
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- microwave system
- system control
- control device
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Abstract
The utility model provides a control system for a microwave system, which is provided with a plurality of interfaces. The control device for the microwave system comprises an attenuator, a power divider, a wave detector, a signal processor and an operational amplifier, wherein the attenuator attenuates received signals; the power divider is provided with an AGC signal output interface and connected with the attenuator; the wave detector is connected with the power divider and acquires intermediate frequency signals from the power divider; the signal processor is connected with the wave detector and processes the intermediate frequency signals to acquire microwave system control signals; and the operational amplifier is connected with the signal processor and the attenuator, and carries out operation amplification on the microwave system control signals. The control device for the microwave system provided by the utility model has the advantages of high integration, small size, fast processing speed, accuracy and abundant interfaces.
Description
Technical field
The utility model relates to microwave system control technology field, particularly a kind of microwave system control device.
Background technology
A microwave system needs accurately, and control could work.Traditional control program is the CPCI backboard that carries out fly line or the standard of purchase according to different microwave systems, be that traditional microwave control is according to different microwave sub-systems, the redesign minitype circuit board, or the combination of minitype circuit board process or fly line realization control function by having difference in functionality, carry out simple interface conversion and control.
There is following shortcoming in traditional microwave system control program:
Function is limited, even complicated a little any serial ports sequential all is difficult to realization, and fly line is not only not attractive in appearance in addition, and is unreliable yet, more is unfavorable for the systematization of controlling.And realize to carry out a large amount of tests and improvement before the control function for being controlled at of each microwave sub-system, after Guarantee control system itself does not have problem, just can carry out formal control design.Because control system is based on the CPCI structure, such design must cooperate different CPCI backboards, then carries out fly line.So just caused not only poor reliability of traditional design, the design cycle is long, and be unfavorable for maintenance in the future.
The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, a purpose of the present utility model is to propose a kind ofly have the integrated level height, volume is little, processing speed is fast, the microwave system control device of accurate, rich interface.
To achieve these goals, the utility model provides a kind of microwave system control device, and described microwave system control device has a plurality of interfaces, and described microwave system control device comprises: attenuator, and described attenuator is decayed to the signal that receives; Power splitter, described power splitter has the AGC signal output interface, and described power splitter links to each other with described attenuator; Wave detector, described wave detector links to each other to obtain intermediate-freuqncy signal from described power splitter with described power splitter; Signal processor, described signal processor link to each other with described wave detector described digital medium-frequency signal processed and obtain the microwave system control signal; Transport and placing device, described transport and placing device link to each other with described attenuator with described signal processor respectively described microwave system control signal are carried out amplifier.
In addition, can also have following additional technical characterictic according to the above-mentioned microwave system control device of the utility model:
Further, described microwave system control device also comprises: AD converter, described AD converter are arranged between described wave detector and the described signal processor; The DA transducer, described DA transducer is arranged between described signal processor and the described transport and placing device.
Further, described microwave system control device also comprises: the first frequency divider, and described the first frequency divider has the frequency signal receiving interface; Phase discriminator, described phase discriminator links to each other with described the first frequency divider; Charge pump, described charge pump links to each other with the regulation output quantity of electric charge with described phase discriminator; Filter, described filter link to each other with described charge pump VD are regulated; Oscillator, described oscillator has the broadband noise output interface, and described oscillator links to each other with described filter with described transport and placing device respectively and adds Gauss's white noise with the just profound ripple of adjusting transport and placing device output according to the magnitude of voltage of described VD and obtain broadband noise; The second frequency divider, described the second frequency divider link to each other with described phase discriminator with described oscillator respectively.
Further, described microwave system control device has 6 road interfaces.
Further, described 6 road interfaces comprise power interface, data exchange interface, LVCMOS interface, LVDS interface, LVTTL interface and RS485 interface.
Further, described attenuator is simulation control attenuator.
Further, described oscillator is voltage controlled oscillator, and described filter is low pass filter.
The integrated level that microwave system control device of the present utility model has each function element is high, volume is little, signal processor (FPGA) processing speed fast, accurate, rich interface, thereby effectively raise the reliability of the design of microwave system, shortened the advantage of design cycle.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structure chart of the microwave system control device of an embodiment of the utility model; And
Fig. 2 is the structure chart of the microwave system control device of another embodiment of the utility model.
Embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
Below in conjunction with the microwave system control device of accompanying drawing description according to the utility model embodiment.
With reference to figure 1, microwave system control device 100 according to the utility model embodiment, this microwave system control device 100 has a plurality of interfaces, in certain embodiments, the microwave system control device has 6 road interfaces, particularly, 6 road interfaces comprise power interface, data exchange interface, LVCMOS interface, LVDS interface, LVTTL interface and RS485 interface, and microwave system control device 100 comprises attenuator 110, power splitter 120, wave detector 130, signal processor 140 and transport and placing device 150.Wherein:
The signal of 110 pairs of receptions of attenuator is decayed, and in an embodiment of the present utility model, attenuator 110 is simulation control attenuator.Power splitter 120 has the AGC signal output interface, and power splitter 120 links to each other with attenuator 110.Wave detector 130 links to each other to obtain intermediate-freuqncy signal from power splitter 120 with power splitter 120.Signal processor 140 links to each other with wave detector 130 intermediate-freuqncy signal processed and obtains the microwave system control signal.Transport and placing device 150 links to each other with attenuator 110 with signal processor 140 respectively the microwave system control signal is carried out amplifier.
In conjunction with Fig. 1, microwave system control device 100 also comprises AD converter 160 and DA transducer 170.AD converter 160 is arranged between wave detector 130 and the signal processor 140.DA transducer 170 is arranged between signal processor 140 and the transport and placing device 150.
Particularly, the microwave system control device 100 of the utility model embodiment is industrial control computers by standard CPCI controls the microwave system that is positioned in the CPCI groove.The function of this microwave system control device 100 is according to the CPCI agreement, the data transaction of computer transmission is become the needed data flow form of control microwave system.Therefore, this microwave system control device 100 has the J1 of CPCI and the standard interface of J5, and for example power interface is J1, and data exchange interface is J5, and the J1 interface is mainly carried the power supply of microwave system control device 100 and the physical layer interface of CPCI agreement.The J5 interface mainly is the interface that microwave system control device 100 and other microwave system control device 100 carry out exchanges data.
In order to satisfy the data transaction of carrying out the CPCI agreement, also have stronger digital signal processing function, the signal processor 140 of microwave system control device 100 utilizes the FPGA technology, and signal processor 140 adopts the up-to-date SPARTAN6 chip of XILINX company.And multiple interfaces is externally arranged, comprising: LVCMOS, LVDS, LVTTL, RS485.Can also provide in addition microwave sub-system needed power supply, the power supply that is about on the CPCI converts the needed voltage-stabilized source of microwave sub-system to by linearity or switching power source chip.
For data processing function.Microwave system control device 100 has AD converter 160 and DA transducer 170, namely comprises two analog-digital chips, resolution 10bit, and high sampling rate 105MHz can be good at carrying out data acquisition.
Another function of the microwave system control device 100 of the utility model embodiment is for generating the AGC signal.Particularly, as shown in Figure 1, the effect of wave detector 130 is that the power with intermediate-freuqncy signal detects, give signal processor 140(FPGA through the digital signal after AD converter 160 conversions), signal processor 140 through data are averaged, is determined the power of signal again, then to the sizeable digital quantity of the corresponding output of different power, pass through again DA transducer 170, and transport and placing device 150 amplifiers, thereby at last by the function of having finished AGC after the different value of attenuator 110 decay.In this example, the control of AGC is actually digital control method, has to realize simply, and is applicable to continuous wave and burst pulse, can be good at satisfying the demand.
As shown in Figure 2, microwave system control device 100 also can comprise the first frequency divider 180, phase discriminator 190, charge pump 200, filter 210, oscillator 220 and the second frequency divider 230.Wherein:
The first frequency divider 180 has the frequency signal receiving interface.Phase discriminator 190 links to each other with the first frequency divider 180.Charge pump 200 links to each other with the regulation output quantity of electric charge with phase discriminator 190.Filter 210 links to each other with charge pump 200 VD is regulated, and in an embodiment of the present utility model, filter 210 is low pass filter.Oscillator 220 has the broadband noise output interface, oscillator 220 links to each other with filter 210 with transport and placing device 150 respectively and adds Gauss's white noise with the just profound ripple of adjusting transport and placing device 150 outputs according to the magnitude of voltage of VD and obtain broadband noise, in an embodiment of the present utility model, oscillator 220 is voltage controlled oscillator.The second frequency divider 230 links to each other with phase discriminator 190 with oscillator 220 respectively.
Particularly, microwave system control device 100 another functions of the present utility model are can control microwave sub-system to produce broadband noise.In conjunction with shown in Figure 2, the function of microwave system control device 100 comprises generation sine wave white Gaussian noise.After the sine wave that microwave system control device 100 produces and the Gaussian noise addition through output after 170 conversions of DA transducer, simultaneously by transport and placing device 150 modulation VCO, by changing amplitude, the bandwidth of sinusoidal wave amplitude, frequency and Gaussian noise, can obtain preferably noise interferences of certain bandwidth and inband flatness, then by the control to the first frequency divider 180, the second frequency divider 230, and then the VD of regulating filter 210, thereby can set the centre frequency of broadband noise.
The microwave system control device of the utility model embodiment has following advantage:
The integrated level height of each function element, little, the signal processor 140(FPGA of volume) processing speed is fast, accurate, rich interface, thus effectively raise the reliability of the design of microwave system, shortened the design cycle.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as the computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.
The more specifically example of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), the erasable read-only memory (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanner, then edit, decipher or process to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. a microwave system control device is characterized in that, described microwave system control device has a plurality of interfaces, and described microwave system control device comprises:
Attenuator, described attenuator is decayed to the signal that receives;
Power splitter, described power splitter has the AGC signal output interface, and described power splitter links to each other with described attenuator;
Wave detector, described wave detector links to each other to obtain intermediate-freuqncy signal from described power splitter with described power splitter;
Signal processor, described signal processor link to each other with wave detector intermediate-freuqncy signal processed and obtain the microwave system control signal;
Transport and placing device, described transport and placing device link to each other with described attenuator with described signal processor respectively described microwave system control signal are carried out amplifier.
2. microwave system control device according to claim 1 is characterized in that, also comprises:
AD converter, described AD converter are arranged between described wave detector and the described signal processor;
The DA transducer, described DA transducer is arranged between described signal processor and the described transport and placing device.
3. microwave system control device according to claim 1 is characterized in that, also comprises:
The first frequency divider, described the first frequency divider has the frequency signal receiving interface;
Phase discriminator, described phase discriminator links to each other with described the first frequency divider;
Charge pump, described charge pump links to each other with the regulation output quantity of electric charge with described phase discriminator;
Filter, described filter link to each other with described charge pump VD are regulated;
Oscillator, described oscillator has the broadband noise output interface, and described oscillator links to each other with described filter with described transport and placing device respectively and adds Gauss's white noise with the just profound ripple of adjusting transport and placing device output according to the magnitude of voltage of described VD and obtain broadband noise;
The second frequency divider, described the second frequency divider link to each other with described phase discriminator with described oscillator respectively.
4. microwave system control device according to claim 1 is characterized in that, described microwave system control device has 6 road interfaces.
5. microwave system control device according to claim 4 is characterized in that, described 6 road interfaces comprise power interface, data exchange interface, LVCMOS interface, LVDS interface, LVTTL interface and RS485 interface.
6. microwave system control device according to claim 1 is characterized in that, described attenuator is simulation control attenuator.
7. microwave system control device according to claim 3 is characterized in that, described oscillator is voltage controlled oscillator, and described filter is low pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495236.3U CN202841099U (en) | 2012-09-25 | 2012-09-25 | Control device for microwave system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495236.3U CN202841099U (en) | 2012-09-25 | 2012-09-25 | Control device for microwave system |
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| Publication Number | Publication Date |
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| CN202841099U true CN202841099U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220495236.3U Expired - Lifetime CN202841099U (en) | 2012-09-25 | 2012-09-25 | Control device for microwave system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901281A (en) * | 2014-03-20 | 2014-07-02 | 中国科学院云南天文台 | Channel configurable type radio astronomy radiometer based on MMIC microwave radio detection chip |
| CN108111181A (en) * | 2016-11-24 | 2018-06-01 | 北京遥感设备研究所 | A kind of receiver automatic gain control circuit |
-
2012
- 2012-09-25 CN CN201220495236.3U patent/CN202841099U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901281A (en) * | 2014-03-20 | 2014-07-02 | 中国科学院云南天文台 | Channel configurable type radio astronomy radiometer based on MMIC microwave radio detection chip |
| CN103901281B (en) * | 2014-03-20 | 2016-05-11 | 中国科学院云南天文台 | A kind of configurable radio astronomy radiometer of passage based on MMIC microwave detection chip |
| CN108111181A (en) * | 2016-11-24 | 2018-06-01 | 北京遥感设备研究所 | A kind of receiver automatic gain control circuit |
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Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |