CN109270502B - X-waveband testing module structure - Google Patents
X-waveband testing module structure Download PDFInfo
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- CN109270502B CN109270502B CN201710585355.5A CN201710585355A CN109270502B CN 109270502 B CN109270502 B CN 109270502B CN 201710585355 A CN201710585355 A CN 201710585355A CN 109270502 B CN109270502 B CN 109270502B
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- wave
- absorbing structure
- power amplifier
- output end
- mixer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
Abstract
The invention belongs to the technical field of radar cover electrical performance testing, and relates to an X-band testing module structure. The module structure comprises a power amplifier and a wave-absorbing structure; the power amplifier is connected with the output end of the vector network analyzer and uniformly amplifies the power of the intermediate-frequency signals sent by the vector network analyzer; the wave-absorbing structure is connected with the output end of the power amplifier and outputs the signal amplified by the power amplifier to between 0 and 6dB in the X wave band; the intermediate frequency unit frequency mixer is connected with the output end of the wave-absorbing structure, and output signals of the wave-absorbing structure enter the intermediate frequency unit frequency mixer to enable the signals of the frequency mixer to reach a stable working state. The power of the X wave band entering the intermediate frequency unit mixer is between 0 and 6dB, the power range of the intermediate frequency unit mixer is met, the test signal is more stable, an ideal test state is achieved, and the test data is more accurate and reliable.
Description
Technical Field
The invention belongs to the technical field of radar cover electrical performance testing, and relates to an X-band testing module structure.
Background
In the process of testing a certain radome, an intermediate frequency signal sent by a vector network analyzer enters a test system through an intermediate frequency unit mixer; the intermediate frequency signal plays a reference role, so that the intermediate frequency signal reaches a relative ratio, and the signal is more stable. However, the intermediate frequency signal emitted by the vector network analyzer is very small, and cannot reach the ideal range (0-6 dB) of the signal received by the mixer of the intermediate frequency unit, so that the proper reference function of the mixer cannot be exerted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an X wave band test module structure, the intermediate frequency signal that sends the vector network analyzer converts between 0-6 dB, makes it reach the effect of ideal test after entering intermediate frequency unit mixer.
The technical scheme of the invention is as follows: an X-band testing modular structure, characterized by: the module structure comprises a power amplifier and a wave-absorbing structure; the power amplifier is connected with the output end of the vector network analyzer and uniformly amplifies the power of the intermediate-frequency signals sent by the vector network analyzer; the wave-absorbing structure is connected with the output end of the power amplifier and outputs the signal amplified by the power amplifier to between 0 and 6dB in the X wave band; the intermediate frequency unit frequency mixer is connected with the output end of the wave-absorbing structure, and an output signal of the wave-absorbing structure enters the intermediate frequency unit frequency mixer to enable the signal of the frequency mixer to reach a stable working state;
the wave-absorbing structure consists of a waveguide coaxial converter, an X-waveband rectangular waveguide and a crossed circular electric resonance ring electromagnetic metamaterial unit; the crossed circular electric resonance ring electromagnetic metamaterial unit is a metal resonance ring circular ring, is printed on an FR4 board and comprises four equal-size sector rings, and each sector ring is connected with an outer ring through a section of metal wire.
The invention has the beneficial effects that: the power entering the intermediate frequency unit mixer in the X wave band is between 0 and 6dB through the structure, the power range of the intermediate frequency unit mixer is met, the test signal is more stable, the ideal test state is achieved, and the test data is more accurate and reliable.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a composition diagram of a wave-absorbing structure in the present invention;
FIG. 3 is a cross circular electrical resonant ring electromagnetic metamaterial unit in accordance with the present invention;
FIG. 4 shows the power value amplified by the power amplifier and the power value attenuated by the wave-absorbing structure in the present invention;
wherein, 1-waveguide coaxial converter; 2-X wave band rectangular waveguide; 3-cross circular electric resonant ring electromagnetic metamaterial unit.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
Referring to fig. 1, the X-band testing module structure of the present invention includes a power amplifier and a wave-absorbing structure; the power amplifier is connected with the output end of the vector network analyzer and uniformly amplifies the power of the intermediate-frequency signals sent by the vector network analyzer; the wave-absorbing structure is connected with the output end of the power amplifier and outputs the signal amplified by the power amplifier to 0-6 dB in the X wave band; the intermediate frequency unit frequency mixer is connected with the output end of the wave-absorbing structure, and output signals of the wave-absorbing structure enter the intermediate frequency unit frequency mixer to enable signals of the frequency mixer to reach a stable working state.
Referring to fig. 2, the wave-absorbing structure is composed of a waveguide coaxial converter 1, an X-band rectangular waveguide 2, and a cross circular electrical resonant ring electromagnetic metamaterial unit 3;
referring to fig. 3, the crisscross circular electrical resonant ring electromagnetic metamaterial unit is a metal resonant ring circular ring, which is printed on an FR4 board and includes four equal-sized sector rings, each sector ring is connected by a section of metal wire,
examples
The power amplifier of the X-band test module structure is connected with the output end of the vector network analyzer, and the power amplifier uniformly amplifies the power of the intermediate-frequency signal sent by the vector network analyzer; the wave-absorbing structure is connected with the output end of the power amplifier and outputs the signal amplified by the power amplifier to between 0 and 6dB in the X wave band; the intermediate frequency unit frequency mixer is connected with the output end of the wave-absorbing structure, and an output signal of the wave-absorbing structure enters the intermediate frequency unit frequency mixer to enable the signal of the frequency mixer to reach a stable working state; the effect is shown in figure 4.
Claims (1)
1. An X-band testing modular structure, characterized by: the module structure comprises a power amplifier and a wave-absorbing structure; the power amplifier is connected with the output end of the vector network analyzer and uniformly amplifies the power of the intermediate-frequency signals sent by the vector network analyzer; the wave-absorbing structure is connected with the output end of the power amplifier and outputs the signal amplified by the power amplifier to 0-6 dB in the X wave band; the intermediate frequency unit frequency mixer is connected with the output end of the wave-absorbing structure, and an output signal of the wave-absorbing structure enters the intermediate frequency unit frequency mixer to enable the signal of the frequency mixer to reach a stable working state;
the wave-absorbing structure consists of a waveguide coaxial converter, an X-waveband rectangular waveguide and a crossed circular electric resonance ring electromagnetic metamaterial unit; the crossed circular electric resonance ring electromagnetic metamaterial unit is a metal resonance ring circular ring, is printed on an FR4 board and comprises four equal-size sector rings, and each sector ring is connected through a section of metal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585355.5A CN109270502B (en) | 2017-07-18 | 2017-07-18 | X-waveband testing module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585355.5A CN109270502B (en) | 2017-07-18 | 2017-07-18 | X-waveband testing module structure |
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| Publication Number | Publication Date |
|---|---|
| CN109270502A CN109270502A (en) | 2019-01-25 |
| CN109270502B true CN109270502B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710585355.5A Active CN109270502B (en) | 2017-07-18 | 2017-07-18 | X-waveband testing module structure |
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Citations (5)
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| CN1793871A (en) * | 2005-11-24 | 2006-06-28 | 南京工业大学 | Measuring method for reflectivity of microwave absorption material |
| CN101578075A (en) * | 2006-12-11 | 2009-11-11 | 医疗设备创新有限公司 | Electrosurgical ablation apparatus and a method of ablating biological tissue |
| CN105762532A (en) * | 2016-02-19 | 2016-07-13 | 电子科技大学 | Far-infrared wide-band cyclical absorber structure |
| CN106291133A (en) * | 2016-10-12 | 2017-01-04 | 中国科学院电子学研究所 | A kind of UHF waveband broadband DBF array antenna method of testing |
| WO2017004841A1 (en) * | 2015-07-03 | 2017-01-12 | 苏州大学张家港工业技术研究院 | Use of conductive film and radome using conductive film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8358169B2 (en) * | 2009-10-30 | 2013-01-22 | Georgia Tech Research Corporation | Systems and methods for distortion measurement using distortion-to-amplitude transformations |
| US8983395B2 (en) * | 2011-12-12 | 2015-03-17 | Apple Inc. | Methods and apparatus for testing radio-frequency power amplifier performance |
| CA2942393A1 (en) * | 2014-03-14 | 2015-09-17 | The General Hospital Corporation | System and method for free radical imaging |
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2017
- 2017-07-18 CN CN201710585355.5A patent/CN109270502B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793871A (en) * | 2005-11-24 | 2006-06-28 | 南京工业大学 | Measuring method for reflectivity of microwave absorption material |
| CN101578075A (en) * | 2006-12-11 | 2009-11-11 | 医疗设备创新有限公司 | Electrosurgical ablation apparatus and a method of ablating biological tissue |
| WO2017004841A1 (en) * | 2015-07-03 | 2017-01-12 | 苏州大学张家港工业技术研究院 | Use of conductive film and radome using conductive film |
| CN105762532A (en) * | 2016-02-19 | 2016-07-13 | 电子科技大学 | Far-infrared wide-band cyclical absorber structure |
| CN106291133A (en) * | 2016-10-12 | 2017-01-04 | 中国科学院电子学研究所 | A kind of UHF waveband broadband DBF array antenna method of testing |
Non-Patent Citations (3)
| Title |
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| THz 矢量网络分析仪扩频系统设计;李文军 等;《微波学报》;20150331;全文 * |
| W波段天线罩电气性能测试技术研究;尹凯等;《微波学报》;20100815;全文 * |
| 面向X波段雷达系统应用的微波电路设计;彭宝阳;《万方中国学位论文数据库》;20161231;全文 * |
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