CN206863217U - A kind of new ground penetrating radar system - Google Patents
A kind of new ground penetrating radar system Download PDFInfo
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- CN206863217U CN206863217U CN201720840758.5U CN201720840758U CN206863217U CN 206863217 U CN206863217 U CN 206863217U CN 201720840758 U CN201720840758 U CN 201720840758U CN 206863217 U CN206863217 U CN 206863217U
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Abstract
The utility model discloses a kind of new ground penetrating radar system, for engineering geophysics middle-shallow layer underground objects detection.By computer unit, communication unit, GPR main computer units, transmitter unit, receiving unit and power supply unit, totally six parts form the system.GPR is a kind of detection method for carrying out acquisition of information to subsurface material using high-frequency electromagnetic pulse, and according to the change information for receiving echo-signal, the structure of underground medium, position, form are rationally inferred.The utility model has digital integration degree high, and speed of detection is fast, high resolution, it is flexible to operation the features such as.
Description
Technical field
Subsurface material information detection technology in engineering geophysics is the utility model is related to, more particularly, to engineering earth thing
Manage ground penetrating radar system design field.
Background technology
GPR（Ground-Penetrating Radar, GPR）Be it is a kind of be used for definitely descend the wide of dielectric distribution
Compose electromagnetic technique.GPR detection subsurface information is to utilize frequency electromagnetic waves to pass through antenna in the form of broadband short pulse
In transmitter signal is passed to underground, ripple is when running into different conductive mediums during underground propagation, a part of electromagnetism wave energy
Amount is reflected back, and another part energy may proceed to penetrate into next layer of medium, and each reflection electromagnetic wave is by the reception in antenna
Device receives, and recycles Sampling techniques to be translated into data signal and is handled.By to reflection of electromagnetic wave signal（I.e. echo is believed
Number）Time-frequency characteristics and amplitude characteristic analyzed, just will appreciate that subsurface material characteristic information（Such as dielectric constant, thickness, cavity
Deng）.GPR is measured using ungrounded property, can make quick continuous detection, lossless to detection object, can more intuitively be detected
Object, therefore ground penetrating radar exploration turns into one of important method that engineering geophysics are reconnoitred, and is widely used in underground utilities spy
Survey, works Non-Destructive Testing, ground is reconnoitred, the engineering investigation such as cavern field.Therefore, it is a set of easy to operate, digital integration
Degree is high, and speed of detection is fast, and the ground penetrating radar system of high resolution works with important resource exploration at this stage, engineering detecting
Meaning.
The content of the invention
The purpose of this utility model is to provide a kind of new ground penetrating radar system, and the system passes through before data acquisition
Computer unit to sampled point, when the parameter such as window be configured, sent and instructed to GPR main computer units by communication unit, GPR master
After machine unit is connected to instruction, these instructions are further decomposed by refinement by simulative serial port by DSP module, and pass to FPGA moulds
Block, after FPGA module receives instruction, the control life for meeting parameter request and sequential control parameter are produced to each mould of radar
Block, pulse generating module control produce the clock drive clock needed, and emitted Anneta module sends periodically impact arteries and veins
Rush electromagnetic wave.The echo-signal of reflection becomes equivalent sampling module through the conditioning of low noise amplification module by the reception of reception antenna module and fitted
The signal of sampling is closed, is discrete digital signal by high-speed ADC processing module analog-to-digital conversion, this data signal is in DSP module number
According to caching process, sent after communication interface module level conversion by communication unit to computer unit and carry out Data Management Analysis
Shown with profile image.Finally, information is obtained according to computer unit and provides corresponding Engineering detection results, be engineering construction and ground
Matter resource detection provides instruction.
The technical solution of the utility model is：A kind of new ground penetrating radar system, the system include computer unit, communication
Unit, GPR main computer units, transmitter unit, receiving unit and power supply unit totally six parts.The computer unit is single with communication
Member connection, the communication unit are connected with GPR main computer units, and the GPR main computer units connect with transmitter unit, receiving unit respectively
Connect, said supply unit respectively with, communication unit, GPR main computer units, transmitter unit and receiving unit be connected.
The computer unit includes notebook terminal or tablet personal computer.With to GPR main computer unit transfer control instructions
With receives echo-signal and the function of display.
The communication unit includes usb bus circuit, complete GPR main computer units communicate with the data between computer unit and
Control command transfer function.Using ISP1581 type USB control chips, meet requirement of the radar to high speed data transfer.The chip
With integrated level it is high, low in energy consumption the characteristics of, be integrated with USB2.0 transceivers, SIE and programmable external equipment.
The GPR main computer units include communication interface module, DSP module and FPGA module.
Communication interface module completes the level conversion function of FPGA interface and ISP1581 chips in the GPR main computer units.
DSP module uses TMS320VC5509A chips in the GPR main computer units, and main task is exactly to read FPGA moulds
Data fifo and Digital Signal Processing and order control operation are carried out in block.The co-ordination of DSP core system itself is completed, it is right
Sequential and logic control system issuing system parameter instruction, receive the radar data from acquisition system, and leave with reservoir and keep in,
Carry out the high speed pretreatment of radar data.Powered using 3.3V digital powers to DSP minimum systems.
FPGA module includes Cyclone III series EP3C10 cake cores and its peripheral circuit in the GPR main computer units.
FPGA module has clock triggering control, sampling trigger signal control, the control of delay chip, the control of A/D chips, system
The functions such as Distinct matrix, the processing of echo-signal and transmission.FPGA module receives the control instruction from DSP module
Afterwards, a series of control signal will be produced and delivers to other each modules of radar system, complete the sequential control to whole system
System.Signal acquiring system is overall to complete the work of whole signal acquisition by FPGA module processor as core, control each several part.
The transmitter unit that FPGA module processor is responsible for GPR simultaneously provides trigger pulse, when transmitter unit receives triggering letter
When breath carries out impulse ejection, receiving unit proceeds by the collection to echo-signal, and the echo-signal of high speed turns through signal condition
Differential signal is changed to, is sampled by high-speed ADC processing module sampling A/D chip.Sampling clock is controlled by FPGA module internal clocking
Phaselocked loop output provides, and the clock is similarly differential clocks.Data carry out multistage FIFO through exporting to FPGA module inside it
Buffer memory.
The transmitter unit includes pulse-triggered module, transmitting isolation module, pulse generating module and transmitting antenna module.
Pulse-triggered module controls the triggering and closing of GPR transmitting pulse signal in the transmitter unit.Pulse
Trigger module is controlled by FPGA module peripheral circuit, produces two-way triggering arteries and veins that is Complete Synchronization or having any relative delay
Punching.
Launching isolation module in the transmitter unit includes 6N137 high speed photo coupling devices, prevents pulse generating module moderate snow
Crosstalk and high pressure snowslide pulse of the high-pressure section of pulse generating circuit to the common earth-return of DSP module generation are collapsed to DSP module
Output pin disturbs.Isolated between the output pin and snowslide pulse generating circuit of DSP module using optocoupler, in reality
The rising edge of optical coupling module output signal has widened a lot, but to rear than the rising edge of DSP module output signal in measurement process
Continuous snowslide pulse generating module circuit does not influence.
Pulse generating module utilizes the snowslide of transistor using snowslide triode MRF5812 as core in the transmitter unit
Effect, formed with reference to differential shaping circuit, voltage-stabiliser tube and accelerating circuit etc., produced with FPGA module chip and meet strict sequential order
Triggers circuit is come the Narrow Bipolar that synthesizes full symmetric pulse or have any relative time delay.The pole of snowslide three can produce arteries and veins
Signal pulsewidth is rushed between 2-50ns, a variety of burst pulse and Narrow Bipolar source of the amplitude between 20-180V.
When the collector voltage of transistor is sufficiently high, the normal low pressure fortune of electric field ratio in collector junction space-charge region
With big manyfold, the carrier into collector junction is accelerated by highfield, so as to obtain very big energy, when they are with lattice collisions just
New electron hole pair is generated, newborn electronics, hole are accelerated by highfield and repeat said process respectively again.Then flow through
Just " snowslide " formula increases rapidly the electric current of collector junction, so as to generate snowslide phenomenon.
Transmitting antenna module converts electrical signals to electromagnetic wave signal in the transmitter unit, for launching to detected object
Pulse signal.Using the butterfly antenna of linear structure, the center of different stage can be used frequently for different detected objects and environment
The antenna of rate.
The receiving unit includes ADC processing modules, equivalent sampling module, low noise amplification module and reception antenna module.
ADC processing modules include High-Speed Double-Channel modulus conversion chip ADC 12D800 and its periphery in the receiving unit
Device.ADC12D800 can complete pulse width and existnsLevel, be approximately 100,000,000 frequencies high-speed signal acquisition.
Due to resolution ratio increase with the increase of frequency, it is necessary to using upper frequency antenna, cause in echo-signal
Highest frequency component is high, thus real time sample realize it is extremely difficult.Equivalent time sampling mode is first to use " sampling technique " will
The high-frequency signal that cycle repeats is transformed into the waveform low frequency signal similar to its, the processing such as A/D conversions is then carried out again, so as to drop
The low requirement to A/D converter and its front end circuit frequency characteristic.Simultaneously in circuit design, only to the electricity before systematic sampling
There is high frequency technological requirement on road, and the circuit after being converted to sampling does not have too many high frequency requirements so that the technique of whole system is big
It is big to simplify.Further, since the signal after sampling is low frequency signal, thus greatly reduce a series of subsequent treatment display devices pair
The requirement of speed.Not varying signal, thus can adopt when be may be considered due to ground penetrating radar echo signals within the Millisecond time
It is acquired with equivalent time sampling mode.Therefore, sampling of the ground penetrating radar system to echo-signal is sampled using equivalent time
Technology.
The Key Circuit of equivalent sampling module is stepping sampling pulse generator in the receiving unit.Step-by-step system includes
Fast ramp generator, staircase generator and comparator three parts.The function of step-by-step impulse generator is when producing to realize equivalent
Between sample required stepping pulse signal, it is made up of step-by-step system and modulate circuit.Wherein, the precision of step-by-step system is to realize
The key of equivalent time sampling.
Step-by-step system operation principle is as follows：Due to the synchronous trigger pulse of collected signal through fast ramp generator produce with
Trigger pulse same frequency, good linearity, time delay short fast oblique wave, staircase generator produce the staircase waveform of corresponding frequencies, soon
Oblique wave is compared with staircase waveform is in comparator, and when fast ramp amplitude reaches staircase waveform level, comparator produces step-by-step impulse
Signal.
Low noise amplification module is used to amplify the small-signal that antenna receives in the receiving unit, reduces noise jamming.
Using the RAMP-33LN single-stage the low noise amplifier chips for supporting E-PHEMT technologies, 50-3000MHz bandwidth ranges, tool are covered
There are stability height, small volume, be suitable for the electromagnetic environment of complexity.
Reception antenna module receives the electromagnetic wave signal being reflected back from detected object and is converted into the receiving unit
Electric signal.
Said supply unit uses 12V, and 12AH lithium battery group carries out system power supply, needed not for each chip power supply pin
Same power values are different, and power supply unit peripheral circuit can provide stage variable pressure by some groups of linear voltage stabilizations.
The utility model has the advantage of：Three-level data acquisition and control system of the utility model using FPGA+DSP+USB
System, FPGA module complete a series of complex control electricity such as time-varying gain control, equivalent sampling control, usb bus data transfer
Distance sequence.The co-ordination of DSP module and FPGA module realizes the Synchronization Control of ground penetrating radar system transmitting and collection.
FPGA, DSP and USB, which are combined, plays respective advantage so that ground penetrating radar system of the present utility model meets easily renewal, data
Gather the requirement of high-speed, high precision.Ground penetrating radar echo signals acquisition method based on equivalent time sampling technique, make be entirely
The working time relative reduction of system, improve the operating efficiency of system.Realized by the clock control of FPGA field programmable gate arrays
The Synchronization Control of each clock information in ground penetrating radar system.Based on avalanche transistor, DC high-voltage power supply, DSP control system and
Light-coupled isolation device builds snowslide pulse generating circuit, and it is high without hangover, waveform stabilization degree that high-voltage nanosecond level narrow pulse signal occurs.
The data transmission system of USB technologies is used to realize the plug and play of system, and uses DMA transfer mode to obtain big data
Measure the effect of high-speed transfer.
The new ground penetrating radar system built using the above method, have digital integration degree high, speed of detection is fast, resolution ratio
Height, it is flexible to operation the features such as.
Brief description of the drawings
Accompanying drawing 1 is that new ground penetrating radar system integrally forms block schematic illustration；
Accompanying drawing 2 is new ground penetrating radar system GPR main computer unit composition schematic diagrams；
Accompanying drawing 3 is new ground penetrating radar system transmitter unit composition schematic diagram；
Accompanying drawing 4 is new ground penetrating radar system receiving unit composition schematic diagram；
In figure：
U1- computer units；U2- communication units；U3-GPR main computer units, M1- communication interface modules, M2-DSP modules,
M3-FPGA modules；U4- transmitter units, M4- pulse-triggered modules, M5- transmitting isolation modules, M6- pulse generating modules, M7- hairs
Penetrate Anneta module；U5- receiving units, M8-ADC processing modules, M9- equivalent sampling modules, M10- low noise amplification modules, M11- connect
Receive Anneta module.
Embodiment
The present embodiment is a kind of new ground penetrating radar system, as shown in accompanying drawing 1 to accompanying drawing 4.Wherein, accompanying drawing 1 is new spy
Ground radar system integrally forms block schematic illustration.The system include computer unit U1, communication unit U2, GPR main computer unit U3,
Transmitter unit U4, receiving unit U5 and power supply unit U6 totally six parts.The computer unit U1 is connected with communication unit U2,
The communication unit U2 is connected with GPR main computer units U3, the GPR main computer units U3 respectively with transmitter unit U4, receiving unit
U5 connections, said supply unit U6 respectively with, communication unit U2, GPR main computer unit U3, transmitter unit U4 and receiving unit U5 connect
Connect.
In the present embodiment, ground penetrating radar system before data acquisition by computer unit U1 to sampled point, when window etc.
Parameter is configured, and is sent and instructed to GPR main computer units U3 by communication unit U2, after GPR main computer units U3 is connected to instruction, by
These instructions are further decomposed refinement by DSP module M2 by simulative serial port, and pass to FPGA module M3, and FPGA module M3 connects
After receiving instruction, the control life for meeting parameter request and sequential control parameter are produced to the modules of radar, pulse generation mould
Block M6 controls produce the clock drive clock needed, and emitted Anneta module M7 sends periodic shock pulse electromagnetic wave.
The echo-signal of reflection becomes equivalent sampling module M9 through low noise amplification module M10 conditionings by reception antenna module M11 receptions and fitted
The signal of sampling is closed, is discrete digital signal by high-speed ADC processing module M8 analog-to-digital conversions, this data signal is in DSP module
The processing of M2 data buffer storages, is sent to computer unit U1 by communication unit U2 after communication interface module M1 level conversions and enters line number
Shown according to Treatment Analysis and profile image.Finally, information is obtained according to computer unit U1 and provides corresponding Engineering detection results, be
Engineering construction and geological resource detection provide instruction.
In the present embodiment, as shown in attached 1, the computer unit U1 includes notebook terminal or tablet personal computer.With to
GPR main computer unit U3 transfer control instructions and receives echo-signal and the function of showing.
In the present embodiment, as shown in attached 1, the communication unit U2 includes usb bus circuit, completes GPR main computer units U3
Data between computer unit U1 communicate and control command transfer function.Using ISP1581 type USB control chips, meet thunder
Up to the requirement to high speed data transfer.The chip has the characteristics of integrated level is high, low in energy consumption, is integrated with USB2.0 transceivers, string
Line interface engine and programmable external equipment.
In the present embodiment, as shown in attached 1, said supply unit U6 uses 12V, and 12AH lithium battery group carries out system confession
Electricity, need different power values different for each chip power supply pin, power supply unit peripheral circuit can by some groups of linear voltage stabilizations
Stage variable pressure is provided.
In the present embodiment, as shown in attached 2, the GPR main computer units U3 include communication interface module M1, DSP module M2 and
FPGA module M3.
Communication interface module M1 completes the level conversion of FPGA interface and ISP1581 chips in the GPR main computer units U3
Function.
DSP module M2 uses TMS320VC5509A chips in the GPR main computer units U3, and main task is exactly to read
Data fifo and Digital Signal Processing and order control operation are carried out in FPGA module M3.Complete the association of DSP core system itself
Work is adjusted, to sequential and logic control system issuing system parameter instruction, receives the radar data from acquisition system, and leave with
Reservoir is kept in, and carries out the high speed pretreatment of radar data.Powered using 3.3V digital powers to DSP minimum systems.
FPGA module M3 includes Cyclone III series EP3C10 cake cores and its periphery in the GPR main computer units U3
Circuit.FPGA module M3 has clock triggering control, sampling trigger signal control, the control of delay chip, the control of A/D chips
The functions such as system, the processing of system Distinct matrix, echo-signal and transmission.FPGA module M3 is received from DSP module M2
Control instruction after, a series of control signal will be produced and delivers to other each modules of radar system, completed to whole system
The SECO of system.Signal acquiring system is overall to complete whole letter by FPGA module M3 processors as core, control each several part
Number collection work.The transmitter unit U4 that FPGA module M3 processors are responsible for GPR simultaneously provides trigger pulse, works as hair
Penetrate unit U4 receive triggering information carry out impulse ejection when, receiving unit U5 proceeds by the collection to echo-signal, at a high speed
Echo-signal be converted to differential signal through signal condition, sampled by high-speed ADC processing module M8 sampling A/D chips.During sampling
Clock is provided by the control phaselocked loop output of FPGA module M3 internal clockings, and the clock is similarly differential clocks.Data are through exporting extremely
FPGA module M3, multistage FIFO buffer memories are carried out inside it.
In the present embodiment, as shown in attached 3, the transmitter unit U4 include pulse-triggered module M4, transmitting isolation module M5,
Pulse generating module M6 and transmitting antenna module M7.
Pulse-triggered module M4 controls the triggering and closing of GPR transmitting pulse signal in the transmitter unit U4.
Pulse-triggered module M4 is controlled by FPGA module M3 peripheral circuits, produce Complete Synchronization or has a two-way of any relative delay
Trigger pulse.
Launching isolation module M5 in the transmitter unit U4 includes 6N137 high speed photo coupling devices, prevents pulse generating module
The high-pressure section of snowslide pulse generating circuit produces the crosstalk and high pressure snowslide pulse pair of earth-return altogether to DSP module M2 in M6
DSP module M2 output pin interference.Carried out between DSP module M2 output pin and snowslide pulse generating circuit using optocoupler
Isolation, the rising edge of optical coupling module output signal is drawn than the rising edge of DSP module M2 output signals in the measurement process of reality
It is wide a lot, but follow-up snowslide pulse generating module M6 circuits are not influenceed.
Pulse generating module M6 utilizes transistor using snowslide triode MRF5812 as core in the transmitter unit U4
Avalanche effect, formed with reference to differential shaping circuit, voltage-stabiliser tube and accelerating circuit etc., produced and met strictly with FPGA module M3 chips
The triggers circuit of sequential is come the Narrow Bipolar that synthesizes full symmetric pulse or have any relative time delay.The pole of snowslide three can
Pulse signal pulsewidth is produced between 2-50ns, a variety of burst pulse and Narrow Bipolar source of the amplitude between 20-180V.
When the collector voltage of transistor is sufficiently high, the normal low pressure fortune of electric field ratio in collector junction space-charge region
With big manyfold, the carrier into collector junction is accelerated by highfield, so as to obtain very big energy, when they are with lattice collisions just
New electron hole pair is generated, newborn electronics, hole are accelerated by highfield and repeat said process respectively again.Then flow through
Just " snowslide " formula increases rapidly the electric current of collector junction, so as to generate snowslide phenomenon.
Transmitting antenna module M7 converts electrical signals to electromagnetic wave signal in the transmitter unit U4, for detected object
Launch pulse signal.Using the butterfly antenna of linear structure, can be used for different detected objects and environment in different stage
The antenna of frequency of heart.
In the present embodiment, as shown in attached 4, the receiving unit U5 include ADC processing modules M8, equivalent sampling module M9,
Low noise amplification module M10 and reception antenna module M11.
In the receiving unit U5 ADC processing modules M8 include High-Speed Double-Channel modulus conversion chip ADC 12D800 and its
Peripheral devices.ADC12D800 can complete pulse width and existnsLevel, be approximately 100,000,000 frequencies high-speed signal acquisition.
Due to resolution ratio increase with the increase of frequency, it is necessary to using upper frequency antenna, cause in echo-signal
Highest frequency component is high, thus real time sample realize it is extremely difficult.Equivalent time sampling mode is first to use " sampling technique " will
The high-frequency signal that cycle repeats is transformed into the waveform low frequency signal similar to its, the processing such as A/D conversions is then carried out again, so as to drop
The low requirement to A/D converter and its front end circuit frequency characteristic.Simultaneously in circuit design, only to the electricity before systematic sampling
There is high frequency technological requirement on road, and the circuit after being converted to sampling does not have too many high frequency requirements so that the technique of whole system is big
It is big to simplify.Further, since the signal after sampling is low frequency signal, thus greatly reduce a series of subsequent treatment display devices pair
The requirement of speed.Not varying signal, thus can adopt when be may be considered due to ground penetrating radar echo signals within the Millisecond time
It is acquired with equivalent time sampling mode.Therefore, sampling of the ground penetrating radar system to echo-signal is sampled using equivalent time
Technology.
Equivalent sampling module M9 Key Circuit is stepping sampling pulse generator in the receiving unit U5.Step-by-step system
Including fast ramp generator, staircase generator and comparator three parts.The function of step-by-step impulse generator is to produce realization etc.
The stepping pulse signal needed for time sampling is imitated, it is made up of step-by-step system and modulate circuit.Wherein, the precision of step-by-step system is
Realize the key of equivalent time sampling.
Step-by-step system operation principle is as follows：Due to the synchronous trigger pulse of collected signal through fast ramp generator produce with
Trigger pulse same frequency, good linearity, time delay short fast oblique wave, staircase generator produce the staircase waveform of corresponding frequencies, soon
Oblique wave is compared with staircase waveform is in comparator, and when fast ramp amplitude reaches staircase waveform level, comparator produces step-by-step impulse
Signal.
Low noise amplification module M10 is used to amplify the small-signal that antenna receives in the receiving unit U5, reduces noise
Interference.Using the RAMP-33LN single-stage the low noise amplifier chips for supporting E-PHEMT technologies, 50-3000MHz bandwidth models are covered
Enclose, there is stability height, small volume, be suitable for the electromagnetic environment of complexity.
Reception antenna module M11 receives the electromagnetic wave signal being reflected back from detected object and turned in the receiving unit U5
Turn to electric signal.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to the utility model embodiment.For those of ordinary skill in the field, on the basis of the above description
It can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And
These belong to the obvious changes or variations that connotation of the present utility model is extended out still fall within it is of the present utility model
Protection domain.
Claims (7)
- A kind of 1. new ground penetrating radar system, it is characterised in that：The system includes computer unit, communication unit, GPR main frame lists Member, transmitter unit, receiving unit and power supply unit totally six parts；The computer unit is connected with communication unit, described logical News unit is connected with GPR main computer units, and the GPR main computer units are connected with transmitter unit, receiving unit respectively, and the power supply is single Member is connected with communication unit, GPR main computer units, transmitter unit and receiving unit respectively.
- 2. new ground penetrating radar system according to claim 1, it is characterised in that：It is whole that the computer unit includes notebook End or tablet personal computer.
- 3. new ground penetrating radar system according to claim 1, it is characterised in that：The communication unit includes usb bus electricity Road.
- 4. new ground penetrating radar system according to claim 1, it is characterised in that：The GPR main computer units connect including communication Mouth mold block, DSP module and FPGA module；Wherein, communication interface module, DSP module and FPGA module are bi-directionally connected successively.
- 5. new ground penetrating radar system according to claim 1, it is characterised in that：The transmitter unit includes pulse-triggered mould Block, transmitting isolation module, pulse generating module and transmitting antenna module；Wherein, pulse-triggered module, transmitting isolation module, arteries and veins Module occurs for punching and transmitting antenna module is sequentially connected.
- 6. new ground penetrating radar system according to claim 1, it is characterised in that：The receiving unit includes ADC processing moulds Block, equivalent sampling module, low noise amplification module and reception antenna module；Wherein, ADC processing modules, equivalent sampling module, low noise Amplification module and reception antenna module are sequentially connected.
- 7. new ground penetrating radar system according to claim 1, it is characterised in that：Said supply unit includes using 12V, 12AH Lithium battery group and some grades of linear voltage stabilization transforming circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840758.5U CN206863217U (en) | 2017-07-12 | 2017-07-12 | A kind of new ground penetrating radar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840758.5U CN206863217U (en) | 2017-07-12 | 2017-07-12 | A kind of new ground penetrating radar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863217U true CN206863217U (en) | 2018-01-09 |
Family
ID=60832755
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|---|---|---|---|
| CN201720840758.5U Expired - Fee Related CN206863217U (en) | 2017-07-12 | 2017-07-12 | A kind of new ground penetrating radar system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655927A (en) * | 2018-11-20 | 2019-04-19 | 华中科技大学 | A kind of variable-gain equivalent sampling Ground Penetrating Radar control system based on CPLD |
| CN113253260A (en) * | 2021-04-28 | 2021-08-13 | 广州铭子通科技有限公司 | Ground penetrating radar parameter setting method and system based on big data |
| CN113482594A (en) * | 2021-07-06 | 2021-10-08 | 四川华晖盛世探测技术有限公司 | Drilling radar system |
| WO2021253365A1 (en) * | 2020-06-17 | 2021-12-23 | 江苏中勘地质勘查有限公司 | High-frequency radar detection circuit for three-dimensional geological exploration and detection method therefor |
-
2017
- 2017-07-12 CN CN201720840758.5U patent/CN206863217U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655927A (en) * | 2018-11-20 | 2019-04-19 | 华中科技大学 | A kind of variable-gain equivalent sampling Ground Penetrating Radar control system based on CPLD |
| CN109655927B (en) * | 2018-11-20 | 2020-06-02 | 华中科技大学 | Variable gain equivalent sampling ground penetrating radar control system based on CPLD |
| WO2021253365A1 (en) * | 2020-06-17 | 2021-12-23 | 江苏中勘地质勘查有限公司 | High-frequency radar detection circuit for three-dimensional geological exploration and detection method therefor |
| CN113253260A (en) * | 2021-04-28 | 2021-08-13 | 广州铭子通科技有限公司 | Ground penetrating radar parameter setting method and system based on big data |
| CN113482594A (en) * | 2021-07-06 | 2021-10-08 | 四川华晖盛世探测技术有限公司 | Drilling radar system |
| CN113482594B (en) * | 2021-07-06 | 2023-10-31 | 四川华晖盛世探测技术有限公司 | Drilling radar system |
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