CN205982672U - Geological radar detection instrument - Google Patents
Geological radar detection instrument Download PDFInfo
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- CN205982672U CN205982672U CN201620950133.XU CN201620950133U CN205982672U CN 205982672 U CN205982672 U CN 205982672U CN 201620950133 U CN201620950133 U CN 201620950133U CN 205982672 U CN205982672 U CN 205982672U
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- detection instrument
- radar detection
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Abstract
The utility model relates to a geological radar detection instrument, including transmission receiving antenna, transmitter, receiver and circulator, the transmission receiving antenna with the circulator is connected, the transmitter with the receiver all with the circulator is connected, the receiver is connected with signal processing unit, the transmitter is connected with the frequency synthesis unit, the frequency synthesis unit with signal processing unit all is connected with GPR major control system, GPR major control system still is connected with host computer, power and orientation module, through the utility model discloses a geological radar detection instrument's investigation depth is big, response speed is fast, the precision is high and the resolution reinforcing, is fit for promoting.
Description
Technical field
This utility model belongs to geological exploration technical field and in particular to a kind of geologic radar detection instrument.
Background technology
For geological structure exploration and underground structure detection for, researcher developed a lot of effectively
Ball physics investigation method, such as seismic wave exploration, electrical conductivity exploration, radiometer, infrared temperature detection etc..Due to geology construction itself
Complexity, the quantity of embedded underground object, position and resemblance are unpredictable, so the only above-mentioned multiple earth things of integrated use
Reason prospecting technique simultaneously flexibly selects just to be provided that a kind of ideal result with reference to practical situation, and ground penetrating radar exploration conduct
A kind of New Type Radar Detection Techniques using electromagnetic wave detection can carry out Non-contact nondestructive wound and detect to invisible target.
Geologic radar detection instrument is a kind of new technique device in physical prospecting field, is also a kind of common apparatus having many uses.
But, when carrying out geological prospecting, its efficiency and precision are generally not highly desirable for current geologic radar detection instrument, therefore, if
Meter is a kind of, and to have efficiency high and the geologic radar detection instrument of high precision be very necessary.
Content of the invention
The weak point existing for above prior art, this utility model provides a kind of geologic radar detection instrument, this
Plant geologic radar detection instrument and there is continuous, efficient and high-precision advantage, solve the problems, such as its efficiency and precision.
This utility model is achieved through the following technical solutions：
A kind of geologic radar detection instrument, including transmit/receive antenna, transmitter, receiver and circulator, described transmitting/
Reception antenna is connected with described circulator, and described transmitter is all connected with described circulator with described receiver, described connects
Receipts machine is connected with signal processing unit, and described transmitter is connected with frequency synthesis unit, described frequency synthesis unit and institute
State signal processing unit to be all connected with GPR master control system, described GPR master control system also with host computer, power supply and locating module phase
Connect, described locating module is used for obtaining the spatial positional information of survey meter, and spatial positional information is passed to GPR master control system
System, GPR master control system is used for treatment characteristic parameter and spatial positional information.
Further, described frequency synthesis unit is turned by a FPGA control module, DDS kernel and the DAC being sequentially connected
Die change block forms.
Further, described transmitter is made up of interconnective pulse modulation module, power amplifier module.
Further, described receiver includes preamplifier, low pass filter and program control floating point amplifier, described preposition
Circuit connects successively for amplifier, low pass filter and program control floating point amplifier.
Further, described signal processing unit is by the AD conversion module being sequentially connected, algorithm processing module, data transfer
Module forms, and described algorithm processing module includes interconnective 2nd FPGA control module, dsp chip, and the 2nd FPGA controls
Module is connected with AD conversion module, and dsp chip is connected with data transmission module.
The beneficial effects of the utility model are：This utility model is a kind of nondestructive in-situ investigation instrument, and scene is directly
There is provided real-time section record, image clearly is directly perceived, high working efficiency is reproducible, wherein, puts using program control floating-point in receiver
Big device, it is possible to resolve secondary field signal dynamics excursion is big and the very faint problem of late period signal；In transmitters, also set up
Pulse modulation module and power amplifier module, it is possible to increase the investigation depth of engineering geological detector, make this utility model visit
Depth measurement degree is big, fast response time, high precision and resolution capability strengthen, and is suitable for promoting.
Brief description
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is structure diagram of the present utility model.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
As shown in figure 1, a kind of geologic radar detection instrument, including transmit/receive antenna, transmitter, receiver and circulator,
Transmit/receive antenna is connected with circulator, and transmitter and receiver is all connected with circulator, receiver and signal processing list
Unit is connected, and transmitter is connected with frequency synthesis unit, frequency synthesis unit and signal processing unit all with GPR master control system
Connect, GPR master control system is also connected with host computer, power supply and locating module, locating module is used for obtaining the space of survey meter
Positional information, and spatial positional information is passed to GPR master control system, GPR master control system is used for treatment characteristic parameter and space
Positional information.
As shown in Fig. 2 frequency synthesis unit is by a FPGA control module, DDS kernel and the DAC modulus of conversion being sequentially connected
Block forms.DDS kernel is responsible for producing required pattern, and a FPGA control module is responsible for controlling DDS kernel and correspondence with foreign country,
DAC modular converter is responsible for carrying out digital analogue signal conversion to pattern, and the analogue signal of generation is sent to each subsystem enters
Row is synchronous.
Circulator is used for switching transmitting antenna and reception antenna.
Transmitter is made up of interconnective pulse modulation module, power amplifier module, and transmitter completes required pattern
Waveform is launched, it is possible to increase the investigation depth of engineering geological detector.
Receiver includes preamplifier, low pass filter and program control floating point amplifier, preamplifier, low pass filter
Connect with program control floating point amplifier successively circuit, the preliminary demodulation that receiver completes the echo-signal of survey meter is processed.
Signal processing unit is made up of the AD conversion module being sequentially connected, algorithm processing module, data transmission module, algorithm
Processing module includes interconnective 2nd FPGA control module, dsp chip, and the 2nd FPGA control module is with AD conversion module even
Connect, dsp chip is connected with data transmission module.Wherein AD conversion module is responsible for carrying out signals collecting to signal, the number after collection
Word signal carries out Radar Algorithm process by the 2nd FPGA control module in algorithm processing module and dsp chip, such as under DDC
Frequency conversion and pulse compression etc., the data after process uploads to host computer by the WLAN of data transmission module.
Claims (5)
1. a kind of geologic radar detection instrument is it is characterised in that include transmit/receive antenna, transmitter, receiver and circulator,
Described transmit/receive antenna is connected with described circulator, and described transmitter is all connected with described circulator with described receiver
Connect, described receiver is connected with signal processing unit, described transmitter is connected with frequency synthesis unit, described frequency synthesis
Unit and described signal processing unit are all connected with GPR master control system, described GPR master control system also with host computer, power supply and fixed
Position module is connected, and described locating module is used for obtaining the spatial positional information of survey meter, and spatial positional information is passed to
GPR master control system, GPR master control system is used for treatment characteristic parameter and spatial positional information.
2. a kind of geologic radar detection instrument according to claim 1 is it is characterised in that described frequency synthesis unit is by successively
A FPGA control module, DDS kernel and the DAC modular converter composition connecting.
3. a kind of geologic radar detection instrument according to claim 1 is it is characterised in that described transmitter is by interconnective
Pulse modulation module, power amplifier module composition.
4. a kind of geologic radar detection instrument according to claim 1 is it is characterised in that described receiver includes preposition amplification
Device, low pass filter and program control floating point amplifier, described preamplifier, low pass filter and program control floating point amplifier are electric successively
Road connects.
5. a kind of geologic radar detection instrument according to claim 1 is it is characterised in that described signal processing unit is by successively
The AD conversion module of connection, algorithm processing module, data transmission module composition, described algorithm processing module includes interconnective
2nd FPGA control module, dsp chip, the 2nd FPGA control module is connected with AD conversion module, dsp chip and data transfer mould
Block connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950133.XU CN205982672U (en) | 2016-08-27 | 2016-08-27 | Geological radar detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950133.XU CN205982672U (en) | 2016-08-27 | 2016-08-27 | Geological radar detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982672U true CN205982672U (en) | 2017-02-22 |
Family
ID=58035314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620950133.XU Active CN205982672U (en) | 2016-08-27 | 2016-08-27 | Geological radar detection instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN205982672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783199A (en) * | 2017-11-03 | 2018-03-09 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | A kind of novel radio ground penetrating radar system |
| CN109211015A (en) * | 2018-09-30 | 2019-01-15 | 中国地质大学（武汉） | Mine detection Soil Background field disturbance restraining method and system based on complex demodulation |
-
2016
- 2016-08-27 CN CN201620950133.XU patent/CN205982672U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783199A (en) * | 2017-11-03 | 2018-03-09 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | A kind of novel radio ground penetrating radar system |
| CN109211015A (en) * | 2018-09-30 | 2019-01-15 | 中国地质大学（武汉） | Mine detection Soil Background field disturbance restraining method and system based on complex demodulation |
| CN109211015B (en) * | 2018-09-30 | 2023-08-08 | 中国地质大学（武汉） | Land mine detection soil background field interference suppression method and system based on complex demodulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191112 Address after: 110000 1101, No.1, nansanhao street, Heping District, Shenyang, Liaoning Province Patentee after: Shenyang survey and Mapping Research Institute Co., Ltd Address before: 110004 new world business building, 1 South San Jie street, Ping District, Liaoning, Shenyang 904 Patentee before: Shenyang Research Institute of Surveying and mapping |
|
| TR01 | Transfer of patent right |