CN204086525U - 3G sampling general small-size target and interference simulator - Google Patents
3G sampling general small-size target and interference simulator Download PDFInfo
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- CN204086525U CN204086525U CN201420553009.0U CN201420553009U CN204086525U CN 204086525 U CN204086525 U CN 204086525U CN 201420553009 U CN201420553009 U CN 201420553009U CN 204086525 U CN204086525 U CN 204086525U
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Abstract
The utility model discloses a kind of 3G sampling general small-size target and interference simulator, be made up of real-time processing board card, the Wideband Signal Processing board, rf signal reception insert box, digital frequency synthesizer insert box and up-conversion insert box, rf signal reception insert box, up-conversion insert box, digital frequency synthesizer insert box all by radio-frequency cable and CPCI base plate and signal transacting board interconnected, rf signal reception insert box, up-conversion insert box by cable and digital frequency synthesizer insert box interconnected; All boards and insert box are all wide 6U height of 4T of standard, form modularization; All boards and insert box all insert in the slot in CPCI cabinet.Boards all in the utility model, insert box are all positioned in the cabinet of a miniaturization, reduce volume and weight, are convenient for carrying; Micro-employing standard C PCI insert box mode, is convenient to change, can easily carries out band spreading, highly versatile.
Description
Technical field
The utility model relates to a kind of simulator, belongs to electronic technology field.
Background technology
Target and interference simulator are mainly for detection of tested radar measurement accuracy, to the search of target and tracking power and antijamming capability.The development of tested radar system armamentarium is comprehensive also to be needed to arrange repeatedly field trial usually afterwards; by test exposure problem as early as possible; update system; finally the performance of tested radar is made an appraisal; in tested research of radar process; if all want outer field to practice shooting or hang to fly test to system new departure and the examination of New System and the evaluation of all innovative approachs; then not only costly; consume a large amount of human and material resources; delayed the lead time, and the pilot project had is difficult to fly test in outfield come by once hanging.For example, for the several functions on current fighter plane, need the various pumping signals that simulation is not required in the same time, be limited to outfield flight test condition, this is difficult to realize; In addition, flight test is difficult to the actual operational environment of Simulation of Complex, especially complicated electronic interferences environment, the pattern of interference may be varied, as comprised the combination etc. of active deception jamming, niose-modulating-frenquency jamming, decoy jamming and various interference, want the interference free performance testing often kind of jamming signal type tested radar under difference configuration, then need flight test again and again, this is unpractical often.
Both at home and abroad for the target of various radar and the product of interference simulator many, the domestic and international company participating in development is also a lot, but, while obtaining high technical indicator, these indoor equipmenies often volume are very large, are difficult to the use for outfield, and in field trial, tested radar is not often that to be fixed on some positions motionless, therefore, adopts miniaturization, portable target and interference simulator to be necessary, urgent.
Utility model content
The purpose of this utility model is to provide a set of 3G sampling general small-size target and interference simulator, achieve miniaturization, portable target and interference simulator, for assessment of the target search of radar system in outfield, tracking and interference free performance, fill up the blank of domestic large bandwidth general small-size simulator in the radar test of outfield.
Above-mentioned purpose of the present utility model can be achieved through the following technical solutions:
A kind of 3G sampling general small-size target and interference simulator, it is characterized in that, be made up of real-time processing board card, the Wideband Signal Processing board, rf signal reception insert box, digital frequency synthesizer insert box and up-conversion insert box, rf signal reception insert box, up-conversion insert box, digital frequency synthesizer insert box all by radio-frequency cable and CPCI base plate and the Wideband Signal Processing board interconnected, rf signal reception insert box, up-conversion insert box by cable and digital frequency synthesizer insert box interconnected; All boards and insert box are all wide 6U(unit of 4T of standard) highly, form modularization; All boards and insert box all insert in the slot in CPCI cabinet; Wherein, 1T=0.2 inch=5.08 mm, 1U=1.75 inch=44.45mm.
The radiofrequency signal of described rf signal reception insert box to input carries out down coversion, and frequency conversion is the analog intermediate frequency signal of 750 ± 500MHz;
Described the Wideband Signal Processing board adopts the CPCI board of 3G sampling, and carry out analog to digital conversion to the analog intermediate frequency signal of 750 ± 500MHz of input, intermediate frequency exports up-conversion insert box to;
The analog intermediate frequency signal of 750 ± 500MHz that described up-conversion insert box receiving wide-band signal process board is sent into, upconverts to radio frequency and exports.
Described CPCI chassis design is of a size of 400mm × 183mm × 400mm, is provided with ducting system in cabinet.
The backboard of described CPCI cabinet adopts intermediate frequency and microwave sharing structure.
Described real-time processing board card adopts the CPCI6880 main frame board of standard, by Ethernet and external control computing machine interconnected.
Described rf signal reception insert box comprises a down coversion insert box, is provided with agc circuit in down coversion insert box, adaption radar emissive power.
Described digital frequency synthesizer insert box, adopts 100MHz constant-temperature crystal oscillator, provides down coversion insert box, the local oscillator needed for up-conversion insert box and 3GHz, 1.5GHz clock signal needed for the Wideband Signal Processing board.
Be provided with the modulator of isolation in described up-conversion insert box, output signal is turned off.
The beneficial effect that the utility model reaches:
(1) all boards, insert box are all positioned in the cabinet of a miniaturization, reduce volume and weight, are convenient for carrying;
(2) Sampling Rate reaches 3Gsps, can realize broadband target that instant bandwidth is 1GHz and interference simulation;
(3) microwave subsystem adopts standard C PCI insert box mode, is convenient to change, can easily carries out band spreading, highly versatile.
Accompanying drawing explanation
Fig. 1 is 3G sampling general small-size target and interference simulator connection diagram.
Embodiment
In order to better understand the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model being described in further detail, following embodiment should being understood and be only not used in restriction scope of the present utility model for illustration of the utility model.
Fig. 1 is a kind of 3G sampling miniaturization target and each model calling graph of a relation of interference simulator system, 3G general small-size target and interference simulator are made up of real-time processing board card 1, the Wideband Signal Processing board 2, rf signal reception insert box 4, digital frequency synthesizer insert box 5 and up-conversion insert box 6, rf signal reception insert box, up-conversion insert box, digital frequency synthesizer insert box 5 all by radio-frequency cable and CPCI base plate 3 interconnected with the Wideband Signal Processing board 2, rf signal reception insert box 4, up-conversion insert box 6 by cable and digital frequency synthesizer insert box 5 interconnected.All boards and insert box are all wide 6U height of 4T of standard, form modularization, are convenient to replace and maintenance.All boards and insert box all insert in the slot in CPCI cabinet.
Improve as one of the present utility model, described CPCI chassis design is of a size of 400mm × 183mm × 400mm, small and exquisite, portable, and whole cabinet takes into full account the heat radiation of each insert box, is designed with complete ducting system; The backboard of described CPCI cabinet adopts intermediate frequency and microwave sharing structure, saves space, improves reliability.
As of the present utility model another kind improve, described real-time processing board card 1 adopts the CPCI6880 main frame board of standard, by Ethernet and external control computing machine interconnected.
Improve as another kind of the present utility model, described rf signal reception insert box 4, carry out down coversion to the radiofrequency signal of input, frequency conversion is the analog intermediate frequency signal of 750 ± 500MHz; Described rf signal reception insert box comprises a down coversion insert box, is provided with agc circuit in down coversion insert box, and this circuit adaption radar emissive power, can improve system acceptance dynamic range.
Improve as another kind of the present utility model, the CPCI board that described the Wideband Signal Processing board 2 adopts 3G to sample, analog to digital conversion is carried out to the analog intermediate frequency signal of 750 ± 500MHz of input, the signal after analog to digital conversion is modulated.
Improve as another kind of the present utility model, described digital frequency synthesizer insert box 5, adopt the 100MHz constant-temperature crystal oscillator of high stability, provide down coversion insert box, the local oscillator needed for up-conversion insert box 6 and 3GHz, 1.5GHz clock signal needed for the Wideband Signal Processing board 2.
Improve as another kind of the present utility model, described up-conversion insert box 6, the analog intermediate frequency signal of 750 ± 500MHz that receiving wide-band signal process board 2 is sent into, radio frequency is upconverted to it and exports; Described up-conversion insert box 6 is provided with the modulator of high isolation, can turn off output signal, realizes the interference of various interruption.
Improve as another kind of the present utility model, described down coversion insert box 4, digital frequency synthesizer insert box 5 and up-conversion insert box 6, adopt the insert box that the wide 6U of 4T of standard is high, conveniently can replace, realize the covering of various frequency range.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (7)
1. a 3G sampling general small-size target and interference simulator, it is characterized in that, be made up of real-time processing board card, the Wideband Signal Processing board, rf signal reception insert box, digital frequency synthesizer insert box and up-conversion insert box, rf signal reception insert box, up-conversion insert box, digital frequency synthesizer insert box all by radio-frequency cable and CPCI base plate and the Wideband Signal Processing board interconnected, rf signal reception insert box, up-conversion insert box by cable and digital frequency synthesizer insert box interconnected; All boards and insert box are all wide 6U height of 4T of standard, form modularization; All boards and insert box all insert in the slot in CPCI cabinet;
The radiofrequency signal of described rf signal reception insert box to input carries out down coversion, and frequency conversion is the analog intermediate frequency signal of 750 ± 500MHz;
Described the Wideband Signal Processing board adopts the CPCI board of 3G sampling, and carry out analog to digital conversion to the analog intermediate frequency signal of 750 ± 500MHz of input, intermediate frequency exports up-conversion insert box to;
The analog intermediate frequency signal of 750 ± 500MHz that described up-conversion insert box receiving wide-band signal process board is sent into, upconverts to radio frequency and exports.
2. 3G sampling general small-size target according to claim 1 and interference simulator, it is characterized in that, described CPCI chassis design is of a size of 400mm × 183mm × 400mm, is provided with ducting system in cabinet.
3. 3G sampling general small-size target according to claim 1 and interference simulator, is characterized in that, the backboard of described CPCI cabinet adopts intermediate frequency and microwave sharing structure.
4. 3G according to claim 1 samples general small-size target and interference simulator, and it is characterized in that, described real-time processing board card adopts the CPCI6880 main frame board of standard, by Ethernet and external control computing machine interconnected.
5. 3G sampling general small-size target according to claim 1 and interference simulator, it is characterized in that, described rf signal reception insert box comprises a down coversion insert box, is provided with agc circuit in down coversion insert box, adaption radar emissive power.
6. 3G sampling general small-size target according to claim 1 and interference simulator, it is characterized in that, described digital frequency synthesizer insert box, adopt 100MHz constant-temperature crystal oscillator, provide down coversion insert box, the local oscillator needed for up-conversion insert box and 3GHz, 1.5GHz clock signal needed for the Wideband Signal Processing board.
7. 3G sampling general small-size target according to claim 1 and interference simulator, is characterized in that, be provided with the modulator of isolation, turn off output signal in described up-conversion insert box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553009.0U CN204086525U (en) | 2014-09-25 | 2014-09-25 | 3G sampling general small-size target and interference simulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420553009.0U CN204086525U (en) | 2014-09-25 | 2014-09-25 | 3G sampling general small-size target and interference simulator |
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| CN204086525U true CN204086525U (en) | 2015-01-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430682A (en) * | 2015-12-31 | 2016-03-23 | 桂林电子科技大学 | Mobile communication signal interference prevention assessment method and system |
| CN107450056A (en) * | 2017-08-11 | 2017-12-08 | 南京长峰航天电子科技有限公司 | A kind of phased array surveillance radar target jamming generates system |
| CN111505594A (en) * | 2020-04-30 | 2020-08-07 | 中国直升机设计研究所 | Portable radar signal simulator |
-
2014
- 2014-09-25 CN CN201420553009.0U patent/CN204086525U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430682A (en) * | 2015-12-31 | 2016-03-23 | 桂林电子科技大学 | Mobile communication signal interference prevention assessment method and system |
| CN105430682B (en) * | 2015-12-31 | 2018-12-28 | 桂林电子科技大学 | Mobile communication signal interference prevention appraisal procedure and system |
| CN107450056A (en) * | 2017-08-11 | 2017-12-08 | 南京长峰航天电子科技有限公司 | A kind of phased array surveillance radar target jamming generates system |
| CN111505594A (en) * | 2020-04-30 | 2020-08-07 | 中国直升机设计研究所 | Portable radar signal simulator |
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