CN109633288A - Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin - Google Patents

Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin Download PDF

Info

Publication number
CN109633288A
CN109633288A CN201811597163.7A CN201811597163A CN109633288A CN 109633288 A CN109633288 A CN 109633288A CN 201811597163 A CN201811597163 A CN 201811597163A CN 109633288 A CN109633288 A CN 109633288A
Authority
CN
China
Prior art keywords
pulse signal
power
low
closed bin
noise amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811597163.7A
Other languages
Chinese (zh)
Inventor
高峯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Aerospace Institute of Measuring and Testing Technology
Original Assignee
Guizhou Aerospace Institute of Measuring and Testing Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Aerospace Institute of Measuring and Testing Technology filed Critical Guizhou Aerospace Institute of Measuring and Testing Technology
Priority to CN201811597163.7A priority Critical patent/CN109633288A/en
Publication of CN109633288A publication Critical patent/CN109633288A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention proposes Mechanism of High Power Microwave Pulse signal strength test macro and methods in a kind of closed bin, receiving terminal of the gain directional antenna 1 as weak signal in closed bin, the interface of gain directional antenna 1 is connect with the input port of low-noise amplifier 3 again, 3 output port of low-noise amplifier is connect with 5 input port of high-speed microwave wave detector, and 5 output port of high-speed microwave wave detector is connect with 6 input port of oscillograph;Wherein, the working range that the small signal power that gain directional antenna 1 receives linearly is amplified to rear class high-speed microwave wave detector 5 is obtained narrow pulse signal by low-noise amplifier 3, and high-speed microwave wave detector 5 is converted narrow pulse signal power to after voltage signal and tested using oscillograph 7 it.The present invention efficiently solves when high power pulse signal carries out shield effectiveness detection to closed bin due to test problem caused by closed bin internal signal power is small, pulse is narrow.

Description

System and method for testing high-power microwave pulse signal field intensity in closed bin
Technical Field
The invention belongs to the technical field of pulse signal field strength testing, and particularly relates to a system and a method for testing the field strength of a high-power microwave pulse signal in a closed bin.
Background
At present, with the development of high-power microwave technology, people put forward higher and higher requirements on high-power microwave measurement technology, especially in the field of high-power microwave protection. The high-power microwave pulse signal has the characteristics of low peak power, narrow pulse and the like after being shielded by the closed bin. Under these inherent characteristics, the conventional electromagnetic shielding testing method cannot be used, and therefore, a testing method different from the conventional electromagnetic shielding effectiveness is needed to detect the shielding effectiveness of various shielding devices and facilities.
Disclosure of Invention
The invention aims to solve the technical problem of providing a system and a method for testing the field intensity of a high-power microwave pulse signal in a closed bin.
In order to solve the technical problems, the technical solution adopted by the invention is as follows:
the invention provides a high-power microwave pulse space field strength test system in a closed bin, which comprises a high-gain directional antenna (1), a low-noise amplifier (3), a high-speed microwave detector (5) and an oscilloscope (7), and is characterized in that the high-gain directional antenna (1) is used as a receiving terminal of a weak signal in the closed bin, an interface of the high-gain directional antenna (1) is connected with an input port of the low-noise amplifier (3), an output port of the low-noise amplifier (3) is connected with an input port of the high-speed microwave detector (5), and an output port of the high-speed microwave detector (5) is connected with an input port of the oscilloscope (6); the low-noise amplifier (3) linearly amplifies a low-power pulse signal received by the high-gain directional antenna (1) to the working range of the rear-stage high-speed microwave detector (5) to obtain a narrow pulse signal, and the high-speed microwave detector (5) converts the power of the narrow pulse signal into a voltage signal and then uses the oscilloscope (7) to test the voltage signal.
The invention also provides a method for testing the high-power microwave pulse space field intensity in the closed bin, which is characterized in that a low-noise amplifier (3) linearly amplifies a low-power pulse signal received by a high-gain directional antenna (1) to the working range of a rear-stage high-speed microwave detector (5) to obtain a narrow pulse signal, and the high-speed microwave detector (5) converts the power of the narrow pulse signal into a voltage signal and then uses an oscilloscope (7) to test the voltage signal.
The invention achieves the following beneficial technical effects:
the high-gain directional antenna is used as a receiving terminal of a weak signal in the closed bin, so that a low-power signal of a high-power pulse signal after shielding can be better received in the closed bin. A low noise amplifier is adopted to linearly amplify the power of the received signal so as to meet the normal working requirement of the post detector. A microwave high-speed detector is adopted to meet the test requirement of narrow pulse of a received signal.
The invention effectively solves the testing problem caused by small signal power and narrow pulse in the closed bin when the high-power pulse signal is used for detecting the shielding effectiveness of the closed bin.
Drawings
FIG. 1 is a block diagram of a system for testing the spatial field strength of high-power microwave pulses in a closed bin according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but these examples are only illustrative and do not limit the scope of the present invention.
The system for testing the high-power microwave pulse space field intensity in the closed bin comprises a high-gain directional antenna 1, a low-noise amplifier 3, a high-speed microwave detector 5 and an oscilloscope 7.
The high-gain directional antenna 1 is used as a receiving terminal of weak signals in the closed bin, an interface of the high-gain directional antenna 1 is connected with an input port of the low-noise amplifier 3, an output port of the low-noise amplifier 3 is connected with an input port of the high-speed microwave detector 5, and an output port of the high-speed microwave detector 5 is connected with an input port of the oscilloscope 6.
After receiving the signal in the closed bin, the high-gain directional antenna 1 outputs a signal 2 to the input end of the low-noise amplifier 3, the low-noise amplifier outputs a signal 4 to the input end of the high-speed microwave detector 5, and the high-speed microwave detector outputs a signal 6 to the input end of the oscilloscope 7.
The low-noise amplifier 3 linearly amplifies the low-power pulse signal received by the high-gain directional antenna 1 to the working range of the rear-stage high-speed microwave detector 5 to obtain a narrow pulse signal, and the high-speed microwave detector 5 converts the power of the narrow pulse signal into a voltage signal and then uses the oscilloscope 7 to test the voltage signal.
The invention adopts a high-gain directional antenna as a receiving terminal of a weak signal in a closed bin, a low-noise amplifier linearly amplifies the power of a small signal received by the antenna to the working range of a post detector, and a high-speed microwave detector converts the power of a narrow pulse signal into a voltage signal and then uses an oscilloscope to test the voltage signal. The method effectively solves the test problem caused by small signal power and narrow pulse in the closed bin when the high-power pulse signal is used for detecting the shielding effectiveness of the closed bin.
While the invention has been described with reference to preferred embodiments, it is not intended to be limited thereto. It is obvious that not all embodiments need be, nor cannot be exhaustive here. Variations and modifications of the present invention can be made by those skilled in the art without departing from the spirit and scope of the present invention by using the design and content of the above disclosed embodiments, and therefore, any simple modification, parameter change and modification of the above embodiments based on the research essence of the present invention shall fall within the protection scope of the present invention.

Claims (2)

1. A high-power microwave pulse space field strength test system in a closed bin comprises a high-gain directional antenna (1), a low-noise amplifier (3), a high-speed microwave detector (5) and an oscilloscope (7), and is characterized in that,
the high-gain directional antenna (1) is used as a receiving terminal of weak signals in the closed bin, an interface of the high-gain directional antenna (1) is connected with an input port of the low-noise amplifier (3), an output port of the low-noise amplifier (3) is connected with an input port of the high-speed microwave detector (5), and an output port of the high-speed microwave detector (5) is connected with an input port of the oscilloscope (6); wherein,
the low-noise amplifier (3) linearly amplifies the low-power pulse signal received by the high-gain directional antenna (1) to the working range of the rear-stage high-speed microwave detector (5) to obtain a narrow pulse signal, and the high-speed microwave detector (5) converts the power of the narrow pulse signal into a voltage signal and then uses the oscilloscope (7) to test the voltage signal.
2. A high-power microwave pulse space field strength test method in a closed bin is characterized in that a low-noise amplifier (3) linearly amplifies a low-power pulse signal received by a high-gain directional antenna (1) to the working range of a rear-stage high-speed microwave detector (5) to obtain a narrow pulse signal, and the high-speed microwave detector (5) converts the power of the narrow pulse signal into a voltage signal and then uses an oscilloscope (7) to test the voltage signal.
CN201811597163.7A 2018-12-26 2018-12-26 Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin Pending CN109633288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811597163.7A CN109633288A (en) 2018-12-26 2018-12-26 Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811597163.7A CN109633288A (en) 2018-12-26 2018-12-26 Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin

Publications (1)

Publication Number Publication Date
CN109633288A true CN109633288A (en) 2019-04-16

Family

ID=66077598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811597163.7A Pending CN109633288A (en) 2018-12-26 2018-12-26 Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin

Country Status (1)

Country Link
CN (1) CN109633288A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110266346A (en) * 2019-07-05 2019-09-20 北京电子工程总体研究所 Frequency agility signal Measurement of Hopping Time method and system
CN110455829A (en) * 2019-08-19 2019-11-15 电子科技大学 High-Power Microwave is to the non-thermal influencing mechanism extraction system of dielectric substance and method
CN113447742A (en) * 2021-06-24 2021-09-28 中国舰船研究设计中心 Wide spectrum/ultra-wide spectrum electromagnetic environment testing system
CN115128361A (en) * 2022-06-30 2022-09-30 电子科技大学 System and method for testing pulse field strength in ultra-large dynamic range

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63293476A (en) * 1987-05-27 1988-11-30 Kyowa Densetsu Kk Radio wave measurement system
CN1162746A (en) * 1996-04-15 1997-10-22 三菱电机株式会社 Microwave sensor
CN2789860Y (en) * 2005-03-25 2006-06-21 阮树成 Radio warning device for overspeed of motor vehicle on road
CN101056451A (en) * 2006-04-15 2007-10-17 兰州大学电子技术开发应用研究所 Method and device for implementing the multi-wave bundle intelligent antenna with the directional antenna
CN101504377A (en) * 2009-02-28 2009-08-12 山东科技大学 Microwave detection method and apparatus for moisture contained in coal on mine conveyer belt
CN104459806A (en) * 2013-09-25 2015-03-25 株式会社东芝 Inspection apparatus and inspection system
CN107732383A (en) * 2017-10-09 2018-02-23 六盘水师范学院 A kind of dual-band microwave bandpass filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63293476A (en) * 1987-05-27 1988-11-30 Kyowa Densetsu Kk Radio wave measurement system
CN1162746A (en) * 1996-04-15 1997-10-22 三菱电机株式会社 Microwave sensor
CN2789860Y (en) * 2005-03-25 2006-06-21 阮树成 Radio warning device for overspeed of motor vehicle on road
CN101056451A (en) * 2006-04-15 2007-10-17 兰州大学电子技术开发应用研究所 Method and device for implementing the multi-wave bundle intelligent antenna with the directional antenna
CN101504377A (en) * 2009-02-28 2009-08-12 山东科技大学 Microwave detection method and apparatus for moisture contained in coal on mine conveyer belt
CN104459806A (en) * 2013-09-25 2015-03-25 株式会社东芝 Inspection apparatus and inspection system
CN107732383A (en) * 2017-10-09 2018-02-23 六盘水师范学院 A kind of dual-band microwave bandpass filter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吕致恒: "屏蔽体屏蔽效能监测系统设计", 《安全与电磁兼容》 *
吴尚昀: "ka波段高速脉冲检波器研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110266346A (en) * 2019-07-05 2019-09-20 北京电子工程总体研究所 Frequency agility signal Measurement of Hopping Time method and system
CN110455829A (en) * 2019-08-19 2019-11-15 电子科技大学 High-Power Microwave is to the non-thermal influencing mechanism extraction system of dielectric substance and method
CN113447742A (en) * 2021-06-24 2021-09-28 中国舰船研究设计中心 Wide spectrum/ultra-wide spectrum electromagnetic environment testing system
CN115128361A (en) * 2022-06-30 2022-09-30 电子科技大学 System and method for testing pulse field strength in ultra-large dynamic range

Similar Documents

Publication Publication Date Title
CN109633288A (en) Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin
CN110702999B (en) Strong electromagnetic pulse shielding effectiveness test system and method
CN104459348A (en) Software-defined radio based high-power microwave radiation field measuring device and method
CN109581348B (en) Method and system for adaptive detection and elimination of modulation leakage of continuous wave radar
CN203480051U (en) Mining intrinsic safety type transient electromagnetic instrument receiving antenna
CN107543975A (en) Non- full-shield formula motor-car vehicle electromagnetic radiation test device
CN110045256A (en) A kind of SHF frequency range local discharge signal reception circuit
CN205067735U (en) Laser detection processing circuit
CN112781447A (en) Land mine detection device based on UWB pulse electromagnetic wave
CN103698673A (en) Drivepipe local discharge electrified detection device based on directional antenna array
CN201893792U (en) Power detecting and level automatic tracker
CN102565745B (en) Ultra high-frequency partial discharge sensor
CN104316759A (en) Continuous wave power probe
CN106469501A (en) Acoustic emission detector Multichannel data acquisition module
CN113447742B (en) Wide spectrum/ultra-wide spectrum electromagnetic environment testing system
CN106353589A (en) Coupling detector
CN109254207B (en) Cable electromagnetic radiation analysis method and system
CN109709404A (en) A kind of Ultra-short pulse high power microwave radiation signal-testing apparatus
CN105759128B (en) A kind of Broadband Detection method based on logarithm peak detection method
CN204228893U (en) A kind of PD On-Line Measurement System
CN104865423B (en) Active probe for logic analyser
CN102110339A (en) Microwave perturbation detector
CN105652170A (en) Device for detecting partial discharge of gas insulation transformer substation
CN201479082U (en) Intermediate frequency signal amplifier of navigation radar
CN202600157U (en) Neutron detector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Gao Feng

Inventor after: Du Yong

Inventor after: Hu Tiantao

Inventor after: Wu Xiaosong

Inventor before: Gao Feng

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190416