CN103543450A - Device and method for measuring landing speed of air-dropped product through radio fuses - Google Patents

Device and method for measuring landing speed of air-dropped product through radio fuses Download PDF

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Publication number
CN103543450A
CN103543450A CN201310518462.8A CN201310518462A CN103543450A CN 103543450 A CN103543450 A CN 103543450A CN 201310518462 A CN201310518462 A CN 201310518462A CN 103543450 A CN103543450 A CN 103543450A
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CN
China
Prior art keywords
module
air
electronic fuse
drop product
data recording
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Pending
Application number
CN201310518462.8A
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Chinese (zh)
Inventor
王志刚
王国博
蒋平
袁日
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710th Research Institute of CSIC
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710th Research Institute of CSIC
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Priority to CN201310518462.8A priority Critical patent/CN103543450A/en
Publication of CN103543450A publication Critical patent/CN103543450A/en
Pending legal-status Critical Current

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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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0218—Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems
    • 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
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
    • G01S7/006—Transmission of data between radar, sonar or lidar systems and remote stations using shared front-end circuitry, e.g. antennas

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fuses (AREA)

Abstract

The invention belongs to the technical field of measurement, and particularly relates to a device and method for measuring the landing speed of an air-dropped product through radio fuses. The device comprises a radio fuse device and a data recording device; an antenna module, a high-frequency autodyne module, a detection module, a filtering module and a band-pass amplification module are connected in sequence; a control module is connected with a data acquisition module, a data storage module and a serial port communication module; the output end of the band-pass amplification module of the radio fuse device is connected with the data acquisition module of the data recording device; the requirement for accurate measurement of the landing speed of the air-dropped product can be met through four steps in specific operation. The improvement to the air-dropped product can guarantee reliable operation of the device.

Description

Utilize electronic fuse to measure the device and method of air-drop product touchdown ground speed
Technical field
The invention belongs to technical field of measurement and test, be specifically related to a kind of device and method that utilizes electronic fuse to measure air-drop product touchdown ground speed.
Background technology
Touchdown ground speed is all very large on the electrical property of air-drop product, mechanical property impact, is one of important parameter of air-drop product concern.The impact acceleration that touchdown ground speed produces is the direct basis that part group parts design as contact fuze, is also the basis of the overload-resistant designs of components and parts such as product machinery, electronics simultaneously.Therefore, in product development process, need product touchdown ground speed accurately to measure.The measurement of touchdown ground speed conventionally can be by means of outer survey and two kinds of means of interior survey.Outer survey generally adopts TV tracking measurement instrument to carry out line test, and this test mode is followed the tracks of and high-speed capture target by two tv theodolites, obtains the circuit of whole air-drop process after graphical analysis, and calculates rate curve.This metering system program is complicated and relevant with environment visibility, easily affected by weather conditions, and because the relative uncertain of direction held in test angle and throwing, its measuring accuracy also can be subject to certain impact simultaneously.Interior survey adopts IMU to carry out velocity survey conventionally, but because the expensive cost of instrument and equipment is very high, and under high impact overload, IMU easily causes damaging and brings about great losses.
Summary of the invention
The object of the invention is to overcome the defect existing in prior art, design a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed, this installs simplicity of design, volume is little, measuring accuracy is high, reliability is high, cost is low and shock resistance overload capacity is strong.
To achieve these goals, technical scheme of the present invention is a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed of design, comprises electronic fuse device and data recording equipment;
Wherein, described electronic fuse device comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product; At described air-drop product head, have groove, described electronic fuse device is arranged in described air-drop product head recess and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment is arranged on described air-drop interiors of products;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device is connected with the data acquisition module of described data recording equipment.
Also comprise power transfer module, described power transfer module is described data recording equipment power supply.
The logical amplification module output terminal of band of described electronic fuse device is connected by cable with the data acquisition module of described data recording equipment.
Described electronic fuse device is arranged on the groove of air-drop product head and encapsulates by isocyanurate foam, can guarantee after encapsulation, bullet monnolithic case and product to be consistent.
Described electronic fuse device and described data recording equipment cable used carry out waterproof sealing through the hole of air-drop product head with silicon rubber.
State when described air-drop product lands soon.Air-drop product axis and ground angle α are between 45 °～90 ° time, and system works.The electronic fuse device antenna transmission electromagnetic wave of air-drop product also receives ground echo signal.Antenna electric magnetic wave emission angle β is relevant with electronic fuse device self performance, and the present embodiment β is about 90 °.Data recording equipment records the Doppler frequency of electronic fuse device output.After data record, calculate the touchdown ground speed of air-drop product.
Its measuring method is:
Step 1, described Anneta module is to air-launched electromagnetic wave, and when air-drop product head approaches ground, electromagnetic wave runs into ground and produces echoed signal, and described Anneta module receives this echoed signal, and this echoed signal is sent to described high frequency autodyne module;
Step 2, described high frequency autodyne module receives echoed signal, and with the oscillator signal phase mixing of high frequency autodyne module, produce Beat Signal, this Beat Signal forms Doppler signal and is exported by the logical amplification module output terminal of band after amplifying through detection, filtering and band are logical;
Step 3, described data acquisition module receives Doppler signal, by control module, this Doppler signal is saved in to data memory module;
Step 4, described serial communication module reads the Doppler signal of described data memory module by control module, and show that by Doppler signal described air-drop product is with respect to the speed on ground.
Advantage of the present invention and beneficial effect are:
One, device provided by the invention is used simple and easy, low cost of manufacture and has high reliability and high measurement accuracy.
Two, method provided by the invention can meet the demand that air-drop product touchdown ground speed is accurately measured in specific works.
Three, the present invention can guarantee the invention provides the reliably working of device to the improvement of air-drop product.
Four, the present invention also comprises power transfer module, can directly for device provided by the invention, carry out bulk supply, need to be by external power supply, and it is more convenient to use.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention;
Fig. 2 is electronic fuse device scheme of installation of the present invention;
Fig. 3 is work schematic diagram of the present invention.
Wherein, 1-electronic fuse device; 2-data recording equipment; 3-cable; 4-air-drop product head; 5-drops product; 6-foam pad; 7-isocyanurate foam; 8-silicon rubber.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described, following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1 to Figure 3, the concrete technical scheme of implementing of the present invention is: a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed, comprises electronic fuse device 1 and data recording equipment 2;
Wherein, described electronic fuse device 1 comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment 2 comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product 5; At described air-drop product head 4, have groove, described electronic fuse device 1 is arranged in described air-drop product head 4 grooves and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment 2 is arranged on described air-drop product 5 inside;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device 1 is connected with the data acquisition module of described data recording equipment 2.
Also comprise power transfer module, described power transfer module is described data recording equipment 2 power supplies.
As shown in Figure 1, the logical amplification module output terminal of the band of described electronic fuse device 1 is connected by cable 3 with the data acquisition module of described data recording equipment 2.
Between described data recording equipment 2 and air-drop product 5, be bonded with foam pad 6.Can play and be convenient to the bonding firm of data recording equipment 2.
As shown in Figure 2, described electronic fuse device 1 is arranged on the groove of air-drop product head 4 and encapsulates by isocyanurate foam 7, can guarantee after encapsulation, bullet monnolithic case and product to be consistent.
As shown in Figure 2, described electronic fuse device 1 carries out waterproof sealing through the hole of air-drop product head 4 with silicon rubber 8 with described data recording equipment 2 cable 3 used.
State when as shown in Figure 3, described air-drop product 5 lands soon.Air-drop product 5 axis and ground angle α are between 45 °～90 ° time, and system works.The electronic fuse device 1 antenna transmission electromagnetic wave of air-drop product 5 also receives ground echo signal.Antenna electric magnetic wave emission angle β is relevant with electronic fuse device 1 self performance, and the present embodiment β is about 90 °.Data recording equipment 2 records the Doppler frequency of electronic fuse device 1 output.After data record, calculate the touchdown ground speed of air-drop product 5.
Its measuring method is:
Step 1, described Anneta module is to air-launched electromagnetic wave, and when air-drop product head 4 approaches ground, electromagnetic wave runs into ground and produces echoed signal, and described Anneta module receives this echoed signal, and this echoed signal is sent to described high frequency autodyne module;
Step 2, described high frequency autodyne module receives echoed signal, and with the oscillator signal phase mixing of high frequency autodyne module, produce Beat Signal, this Beat Signal forms Doppler signal and is exported by the logical amplification module output terminal of band after amplifying through detection, filtering and band are logical;
Step 3, described data acquisition module receives Doppler signal, by control module, this Doppler signal is saved in to data memory module;
Step 4, described serial communication module reads the Doppler signal of described data memory module by control module, and show that by Doppler signal described air-drop product 5 is with respect to the speed on ground.
Draw described air-drop product 5 with respect to the mode of the speed on ground according to Doppler range rate measurement formula v r=cf d/ 2f 0(f wherein 0for electronic fuse device is launched continuous wave frequency, v rfor the speed of the relative electronic fuse device of target motion, i.e. radial velocity, c is propagation velocity of electromagnetic wave).
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. utilize electronic fuse to measure a device for air-drop product touchdown ground speed, comprise electronic fuse device (1) and data recording equipment (2);
It is characterized in that: wherein, described electronic fuse device (1) comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment (2) comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product (5); At described air-drop product head (4), have groove, described electronic fuse device (1) is arranged in described air-drop product head (4) groove and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment (2) is arranged on described air-drop product (5) inside;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device (1) is connected with the data acquisition module of described data recording equipment (2).
2. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: also comprise power transfer module, described power transfer module is described data recording equipment (2) power supply.
3. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: the logical amplification module output terminal of band of described electronic fuse device (1) is connected by cable (3) with the data acquisition module of described data recording equipment (2).
4. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: between described data recording equipment (2) and air-drop product (5), be bonded with foam pad (6).
5. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: described electronic fuse device (1) is arranged on the groove of air-drop product head (4) and passes through isocyanurate foam (7) encapsulation.
6. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: described electronic fuse device (1) carries out waterproof sealing with described data recording equipment (2) cable used (3) through the silicon rubber for hole (8) that drops product head (4).
7. according to a measuring method for the device of the measurement air-drop product touchdown ground speed described in claim 1 to 6, it is characterized in that:
Step 1, described Anneta module is to air-launched electromagnetic wave, and when air-drop product head (4) approaches ground, electromagnetic wave runs into ground and produces echoed signal, and described Anneta module receives this echoed signal, and this echoed signal is sent to described high frequency autodyne module;
Step 2, described high frequency autodyne module receives echoed signal, and with the oscillator signal phase mixing of high frequency autodyne module, produce Beat Signal, this Beat Signal forms Doppler signal and is exported by the logical amplification module output terminal of band after amplifying through detection, filtering and band are logical;
Step 3, described data acquisition module receives Doppler signal, by control module, this Doppler signal is saved in to data memory module;
Step 4, described serial communication module reads the Doppler signal of described data memory module by control module, and show that by Doppler signal described air-drop product (5) is with respect to the speed on ground.
CN201310518462.8A 2013-10-28 2013-10-28 Device and method for measuring landing speed of air-dropped product through radio fuses Pending CN103543450A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105468833A (en) * 2015-11-19 2016-04-06 上海无线电设备研究所 Electromagnetic environment analog simulation system of radio fuse
CN110865369A (en) * 2019-10-29 2020-03-06 北京电子工程总体研究所 Method for compressing multi-branch fuze detection distance channel under condition of ultra-low altitude operation

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Publication number Priority date Publication date Assignee Title
CN101256230A (en) * 2007-11-21 2008-09-03 北京理工大学 Continuous wave chaos phase-modulation radio fuse detection system and demodulation method
CN203616475U (en) * 2013-10-28 2014-05-28 中国船舶重工集团公司第七一〇研究所 Device for measuring landing speed of air-dropped product through radio fuses

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101256230A (en) * 2007-11-21 2008-09-03 北京理工大学 Continuous wave chaos phase-modulation radio fuse detection system and demodulation method
CN203616475U (en) * 2013-10-28 2014-05-28 中国船舶重工集团公司第七一〇研究所 Device for measuring landing speed of air-dropped product through radio fuses

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范志应等: "基于DSP的无线电引信起爆控制技术研究", 《测试技术学报》, vol. 24, no. 1, 31 December 2010 (2010-12-31), pages 40 - 42 *
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105468833A (en) * 2015-11-19 2016-04-06 上海无线电设备研究所 Electromagnetic environment analog simulation system of radio fuse
CN105468833B (en) * 2015-11-19 2018-09-28 上海无线电设备研究所 Electronic fuse electromagnetic environment simulation system
CN110865369A (en) * 2019-10-29 2020-03-06 北京电子工程总体研究所 Method for compressing multi-branch fuze detection distance channel under condition of ultra-low altitude operation
CN110865369B (en) * 2019-10-29 2022-03-25 北京电子工程总体研究所 Method for compressing multi-branch fuze detection distance channel under condition of ultra-low altitude operation

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Application publication date: 20140129