CN103064081A - Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression - Google Patents
Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression Download PDFInfo
- Publication number
- CN103064081A CN103064081A CN2012105150114A CN201210515011A CN103064081A CN 103064081 A CN103064081 A CN 103064081A CN 2012105150114 A CN2012105150114 A CN 2012105150114A CN 201210515011 A CN201210515011 A CN 201210515011A CN 103064081 A CN103064081 A CN 103064081A
- Authority
- CN
- China
- Prior art keywords
- circuit
- cabinet
- modulator
- pulse compression
- signal
- 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
Links
Images
Abstract
The invention relates to an ultra wide band (UWB) through-the-wall radar detection device based on pulse compression. The main structure of the device consists of a chassis, a circuit board, a control panel, a liquid crystal display (LCD), an indicator light, a power switch, a reset switch, a signal-radiation governor, a signal reception governor, an LCD governor, a transmitting antenna, a receiving antenna and a battery. The design of the combinations of the chassis, the receiving antenna, the transmitting antenna and the control panel is adopted. The UWB technology based on the pulse compression is utilized, pick-up information is processed in a sequencing operation mode by a microcomputer processor, and the detection device is advanced in design, compact in structure, safe, stable and reliable, convenient in detection usage, and full and accurate in detection data. Detection depth can reach up to 30 meters, detection range resolution is 7.5 centimeters, and the UWB through-the-wall radar detection device based on the pulse compression is an ideal UWB through-the-wall radar detection device for detecting life entities.
Description
Technical field
The present invention relates to a kind of ultra-broadband wall-through radar detection apparatus based on pulse compression, belong to the technical field of the design and manufacture of electron detection instrument.
Background technology
The through-wall radar technology is a new technology of development in recent years, and this technology does not need sensor contact life entity and surveys, penetrable nonmetal medium, and for example brick wall, soil, building ruins may detect human body, animal body that sight line can not reach; Therefore the purposes of through-wall radar is very extensive, can be applied in searching and rescuing in military affairs, warning, anti-terrorism, geology, earthquake disaster.
At present, the detectable signal of through-wall radar is to adopt single carrier frequency pulse signal, wide bandwidth is long-pending at that time is approximately 1, wide and large bandwidth can not get both when large, the ability and the propagation distance that penetrate body of wall have very large deficiency, its resolution is lower, can't satisfy the demand of detection life entity through walls, has also affected greatly the accuracy of surveying.
Summary of the invention
Goal of the invention
The objective of the invention is the deficiency for background technology, design a kind ofly based on pulse compression ultra-broadband wall-through radar detection apparatus, with detectivity, degree of accuracy and the resolution that increases substantially through-wall radar, improve and enlarge the range of application of through-wall radar.
Technical scheme
Primary structure of the present invention comprises: cabinet, control panel, LCDs, pilot lamp, power switch, reset switch, signal emission modulator, signal receive modulator, liquid crystal display modulator, emitting antenna, receiving antenna, handle, circuit board, battery, bolt;
One-piece construction is comprised of cabinet, receiving antenna, emitting antenna; Cabinet is cuboid, and the front portion of cabinet is control panel, at control panel LCDs, pilot lamp, power switch, reset switch, signal emission modulator, signal reception modulator, liquid crystal display modulator is set; The right side of cabinet is provided with emitting antenna, receiving antenna; Top at cabinet is provided with handle; Be circuit board in the cabinet, and be bolted, be provided with battery at circuit board.
Beneficial effect
The present invention compares with background technology has obvious advance, the actual conditions of surveying life entity for through-wall radar, the design of adopting cabinet, circuit board to combine, adopt the super-broadband tech of pulse compression, Information Monitoring is carried out the sequencing calculation process by the microcomputer processor, this sniffer advanced design, compact conformation, safety and stability are reliable, it is full and accurate accurately to survey easy to use, detection data, investigation depth reaches 30 meters, detection range resolution is 7.5 centimetres, is the ultra-broadband wall-through radar detection apparatus of very good detection life entity.
Description of drawings
Fig. 1 is sniffer one-piece construction figure
Fig. 2 is the A-A sectional view of Fig. 1
Fig. 3 is mainframe box board circuit figure
Shown in the figure, list of numerals is as follows:
1, cabinet, 2, control panel, 3, LCDs, 4, pilot lamp, 5, power switch, 6, reset switch, 7, signal emission modulator, 8, signal receives modulator, 9, emitting antenna, 10, receiving antenna, 11, handle, 12, circuit board, 13, battery, 14, bolt, 15, the liquid crystal display modulator.
IC1, microcomputer treatment circuit, IC2, AD sampling processing circuit, IC3, Gauss pulse prewired circuit, IC4, linear frequency modulation generator circuit, IC5, signal transmission circuit, IC6, frequency multiplication of phase locked loop circuit, IC7, reception signal amplification circuit, IC8, delay line, IC9, A/D change-over circuit, IC10, the first crystal oscillating circuit, IC11, the second crystal oscillating circuit, IC12, power supply voltage stabilizing rectification circuit, IC13, modulation circuit, IC14, LCD circuit.
R, resistance, C, electric capacity, Q, triode, GND, earth terminal, U, chip, V, impulse source, Y, crystal, E, antenna, VCC, power end.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1,2, be sniffer one-piece construction figure, each position, annexation are wanted correct, are installed firmly.
One-piece construction is comprised of cabinet, receiving antenna, emitting antenna; Cabinet 1 is cuboid, and the front portion of cabinet 1 is control panel 2, at control panel 2 LCDs 3, pilot lamp 4, power switch 5, reset switch 6, signal emission modulator 7, signal reception modulator 8, liquid crystal display modulator 15 is set; The right side of cabinet 1 is provided with emitting antenna 9, receiving antenna 10; Be provided with handle 11 on the top of cabinet 1; Be circuit board 12 in the cabinet 1, and fixing by bolt 14; Be provided with battery 13 at circuit board 12.
Shown in Figure 3, be cabinet board circuit figure, circuit forms integrated circuit by microcomputer treatment circuit IC1, AD sampling processing IC circuit 2, Gauss pulse prewired circuit IC3, linear frequency modulation generator circuit IC4, signal transmission circuit IC5, frequency multiplication of phase locked loop IC circuit 6, reception signal amplification circuit IC7, delay line IC8, A/D change-over circuit IC9, the first crystal oscillating circuit IC10, the second crystal oscillating circuit IC11, power supply voltage stabilizing rectification circuit IC12, modulation circuit IC13, LCD circuit IC14, is connected by wire between each parallel circuit.
The detecting function of sniffer is finished by the sequencing of microcomputer treatment circuit, and the microcomputer operation program is as follows:
Inventive principle
This radar detection apparatus adopts Gauss's amplitude modulation linear frequency modulation ultra-broadband signal as transmitting, adopt pulse compression technique to process echoed signal at receiving end, solved the contradiction between range resolution and the speed resoluting force, improved measuring accuracy, significantly improved the overall performance of through-wall radar, microcomputer processor DSP and FPGA are the core system of this device, owing to efficient data analyzing and processing ability and the quick sampling ability of DSP and FPGA, guaranteed the real-time detection performance of radar installations.
Embodiment 1
Through-wall radar sniffer using method is as follows:
1) cabinet, receiving antenna, emitting antenna, circuit board and each functional part all are in quasi-operating status;
2) radar installations is positioned over front 1 meter of body of wall, opening power is opened liquid crystal display modulator, signal emission modulator, signal reception modulator, and green indicating lamp is lighted, and begins to carry out the signal emission;
3) in the signal emission process, light such as the pilot lamp red light, this device is normally operation not, adjusts with reset switch, then reopens the LCDs modulator;
4) after receiving antenna receives echoed signal, the echoed signal figure after process of pulse-compression appears on the liquid crystal display, and the time-frequency figure that carries out waveform by the prompting on the LCDs changes, amplifies, dwindles, preserves graphing capability;
5) survey finish after, read the data of surveying and read and record, also the direct numerical values recited of read signal each point draws the detection conclusion, thereby has finished the overall process of detection.
Claims (2)
1. ultra-broadband wall-through radar detection apparatus based on pulse compression, it is characterized in that: primary structure comprises: cabinet, control panel, LCDs, pilot lamp, power switch, reset switch, signal emission modulator, signal receive modulator, liquid crystal display modulator, emitting antenna, receiving antenna, handle, circuit board, battery, bolt;
One-piece construction is comprised of cabinet, receiving antenna, emitting antenna; Cabinet is cuboid, and the front portion of cabinet is control panel, at control panel LCDs, pilot lamp, power switch, reset switch, signal emission modulator, signal reception modulator, liquid crystal display modulator is set; The right side of cabinet is provided with emitting antenna, receiving antenna; Top at cabinet is provided with handle; Be provided with circuit board in the cabinet, and be bolted, be provided with battery at circuit board.
2. a kind of ultra-broadband wall-through radar detection apparatus based on pulse compression according to claim 1, it is characterized in that: board circuit is by microcomputer treatment circuit (IC1), AD sampling processing circuit (IC2), Gauss pulse prewired circuit (IC3), linear frequency modulation generator circuit (IC4), signal transmission circuit (IC5), frequency multiplication of phase locked loop circuit (IC6), receive signal amplification circuit (IC7), delay line (IC8), A/D change-over circuit (IC9), the first crystal oscillating circuit (IC10), the second crystal oscillating circuit (IC11), power supply voltage stabilizing rectification circuit (IC12), modulation circuit (IC13), liquid crystal display circuit (IC14) forms integrated circuit, is connected by wire between each parallel circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105150114A CN103064081A (en) | 2013-01-22 | 2013-01-22 | Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105150114A CN103064081A (en) | 2013-01-22 | 2013-01-22 | Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103064081A true CN103064081A (en) | 2013-04-24 |
Family
ID=48106785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105150114A Pending CN103064081A (en) | 2013-01-22 | 2013-01-22 | Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103064081A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336276A (en) * | 2013-07-11 | 2013-10-02 | 太原理工大学 | Cognitive radar detection device based on neural network |
| CN104375140A (en) * | 2014-11-18 | 2015-02-25 | 蔚承建 | Portable through-wall radar |
| CN104820246A (en) * | 2015-04-24 | 2015-08-05 | 芜湖航飞科技股份有限公司 | Through-the-wall radar human body detecting device |
| CN105487073A (en) * | 2015-12-11 | 2016-04-13 | 上海良相智能化工程有限公司 | Through-wall radar |
| CN105911544A (en) * | 2016-05-09 | 2016-08-31 | 西安理工大学 | Spread spectrum through-the-wall radar imaging method based on compression perception technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2208070C (en) * | 1994-12-19 | 2008-07-29 | The Regents Of The University Of California | An impulse radar with swept range gate |
| CN102680949A (en) * | 2012-06-08 | 2012-09-19 | 太原理工大学 | Sine wave embedded chaotic radar detection device |
-
2013
- 2013-01-22 CN CN2012105150114A patent/CN103064081A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2208070C (en) * | 1994-12-19 | 2008-07-29 | The Regents Of The University Of California | An impulse radar with swept range gate |
| CN102680949A (en) * | 2012-06-08 | 2012-09-19 | 太原理工大学 | Sine wave embedded chaotic radar detection device |
Non-Patent Citations (1)
| Title |
|---|
| 蔡继亮 等: "超宽带穿墙雷达成像技术研究现状", 《电讯技术》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336276A (en) * | 2013-07-11 | 2013-10-02 | 太原理工大学 | Cognitive radar detection device based on neural network |
| CN103336276B (en) * | 2013-07-11 | 2015-05-27 | 太原理工大学 | Cognitive radar detection device based on neural network |
| CN104375140A (en) * | 2014-11-18 | 2015-02-25 | 蔚承建 | Portable through-wall radar |
| CN104820246A (en) * | 2015-04-24 | 2015-08-05 | 芜湖航飞科技股份有限公司 | Through-the-wall radar human body detecting device |
| CN105487073A (en) * | 2015-12-11 | 2016-04-13 | 上海良相智能化工程有限公司 | Through-wall radar |
| CN105911544A (en) * | 2016-05-09 | 2016-08-31 | 西安理工大学 | Spread spectrum through-the-wall radar imaging method based on compression perception technology |
| CN105911544B (en) * | 2016-05-09 | 2019-03-26 | 西安理工大学 | A kind of spread spectrum through-wall radar imaging method based on compressed sensing technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103064081A (en) | Ultra wide band (UWB) through-the-wall radar detection device based on pulse compression | |
| CN103760550B (en) | Handheld depth finder/fish detector/transducer tester | |
| CN104183155A (en) | Device for detecting parking space in parking lot and detection method | |
| CN104035137B (en) | Underground full-space transient electromagnetic detecting instrument and detection method | |
| CN101526335A (en) | A detector for calculating the depth of a buried conductor | |
| CN106405542A (en) | Life sign detection processing method and system based on continuous waves, and life detector | |
| CN103852794A (en) | Hydrocarbon polluted shallow groundwater magnetic resonance detection device and hydrocarbon polluted shallow groundwater magnetic resonance detection method | |
| CN109668938B (en) | Device and method for detecting three-dimensional magnetic resistivity of embankment leakage channel | |
| CN108362372A (en) | Low frequency noise measurement system | |
| CN104062645A (en) | Method for measuring phase difference between parametric array difference-frequency wave and same-frequency small-amplitude wave signal | |
| CN108363106A (en) | A kind of detecting metal pipeline system and method based on time domain electromagnetic method | |
| CN102565452A (en) | Novel microwave radar ultra-thin water flow determination sensor | |
| CN104820246A (en) | Through-the-wall radar human body detecting device | |
| Vasilenko et al. | A compact lightweight multipurpose ground-penetrating radar for glaciological applications | |
| CN103486909A (en) | Low-frequency electromagnetic induction secondary field imaginary component mine detection device and detection method | |
| CN104749643A (en) | CSAMT (controlled source audio frequency magneto telluric) measuring method and device used for electromagnetic interference areas | |
| CN204065427U (en) | For the proton-precession magnetometer that tunnel magnetic field is measured | |
| CN108089231B (en) | Three-dimensional gradient vector method transient electromagnetic instrument and application thereof | |
| CN109581542A (en) | A kind of grounding net of transformer substation buried depth detection system and method based on induction view magnetoimpedance method | |
| CN106255200B (en) | A kind of air interference source localization method based on gridding spectrum monitoring result | |
| WO2021098667A1 (en) | Full-coverage anti-interference controlled-source electromagnetic detection method | |
| CN209296960U (en) | A kind of grounding net of transformer substation buried depth detection system based on induction view magnetoimpedance method | |
| CN208351014U (en) | A kind of deep-sea submarine target monitoring device | |
| CN107063392B (en) | A kind of intelligent liquid level measuring appliance based on microwave transmission line and DSP technology | |
| CN107643546B (en) | Magnetometer based on statistical superposition method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130424 |
|
| RJ01 | Rejection of invention patent application after publication |