CN106533609A - Digital signal interferometer - Google Patents
Digital signal interferometer Download PDFInfo
- Publication number
- CN106533609A CN106533609A CN201611163326.1A CN201611163326A CN106533609A CN 106533609 A CN106533609 A CN 106533609A CN 201611163326 A CN201611163326 A CN 201611163326A CN 106533609 A CN106533609 A CN 106533609A
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- Prior art keywords
- circuit
- module
- outfan
- ctc
- interferometer
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Abstract
The invention provides a digital signal interferometer, and belongs to the field of interference. The digital signal interferometer comprises an interferometer housing, a circuit board and an antenna, the circuit board is arranged in the interferometer housing, the antenna is arranged at the outside the interferometer housing, and the antenna is connected to the circuit board; wherein the circuit board comprises a synchronous detection module, an interference signal generation module, a radio frequency front end module, a combiner module, a controller module, an input module, a display module and an external interface module. A detection end of the synchronous detection module is connected with the antenna; an output end of the synchronous detection module is connected with an interference signal generation module; the output end of the radio frequency front end module is connected with the combiner module; the output end of the combiner module is connected with the antenna; the control ends of the interference signal generation module and the a radio frequency front end module are all connected with the controller module; the output end of the input module is connected with the controller module; and the input ends of the display module and the external interface module are all connected with the controller module.
Description
Technical field
The present invention relates to countermeasure set field, more particularly to a kind of digital signal interferometer.
Background technology
In the last few years, either cheating was taken an exam still using the ringing circuit principle making of mobile phone using mobile phone
Mobile phone remote bomb carries out terrorist activity, is all becoming increasingly rampant, and we must find more preferably more effective countermeasure as early as possible.Mobile phone
Signal perturbation technique can be applied in following occasion：Prevent all kinds of examination mobile phone cheatings；It is anti-to fear, mainly tackle mobile phone remote and fry
Bullet；Some have the occasion of strict supervision requirement to mobile phone, such as some military restricted zones, gas station, conference centre, important building
Thing etc..For the research of mobile phone signal perturbation technique is disturbed using single standard signal, the interference effect of generation is simultaneously paid no attention to
Think usually occur disturbing blind spot problem.Existing interferometer causes noise spectrum density not high enough, there is interference blind spot, interference
Effect is general, and power is high, it is difficult to which satisfaction has the occasion of strict supervision requirement to mobile phone.
At present, jammer includes casing, is fixed in casing by mounting bracket and for producing the interference of signal interference
Source module, the power amplifier module for controlling interference band and the power module for power supply.In use by each module
Cooperate and realize frequency interferences.But, each module is placed on into one layer generally when each module is installed, can so cause machine
The big weight of volume of shell is big, is unfavorable for that individual soldier's long-time bears use.And jammer word control aspect is also unified
Control device, so that in interfering process control inconvenience etc..
The content of the invention
For above-mentioned deficiency, the present invention provides a kind of digital signal interferometer.
The present invention is solved the above problems by the following technical programs：
A kind of digital signal interferometer, including interferometer housing, circuit board and antenna, circuit board is arranged in interferometer housing,
Antenna is arranged on the outside of interferometer housing, and antenna is connected with circuit board；Wherein, the circuit board include synchronous detection module,
There is module, RF front-end module, combiner module, controller module, input module, display module and outside and connect in interference signal
Mouth mold block；
The test side of the synchronous detection module is connected with antenna；The outfan of the synchronous detection module is occurred with interference signal
Module connects；The synchronous detection module control end is connected with controller module；There is the outfan of module in the interference signal
It is connected with RF front-end module；The outfan of the RF front-end module is connected with combiner module；The combiner module
Outfan is connected with antenna；There is module in the interference signal and the control end of RF front-end module is connected with controller module
Connect；The outfan of the input module is connected with controller module；The input of the display module and external interface module is equal
It is connected with controller module.
In such scheme, preferably RF front-end module includes CTC front-end circuits, CMCC front-end circuits and CUC front ends
There is module with interference signal and connect in circuit, the input of the CTC front-end circuits, CMCC front-end circuits and CUC front-end circuits
Connect；The outfan of the CTC front-end circuits, CMCC front-end circuits and CUC front-end circuits is connected with combiner module.
In such scheme, preferably CTC front-end circuits include CTC FM circuit and amplifying circuit, the CTC frequency modulation electricity
There is module with interference signal and be connected in the input on road；The amplified circuit of outfan of the CTC FM circuit and combiner mould
Block connects.
In such scheme, preferably amplifying circuit include linear amplifier circuit I, PIN pipe isolation circuits, temperature compensation circuit,
Linear amplifier circuit II, promotion level amplifying circuit, isolator circuit I, final stage amplifying circuit, isolator circuit II, power detection
Circuit and controller circuitry；The outfan of the linear amplifier circuit I is connected with PIN pipe isolation circuits；The PIN pipes isolation electricity
The outfan on road is connected with temperature compensation circuit；The linear amplifying circuit of the temperature compensation circuit II is connected with level amplifying circuit is promoted；Institute
State promotion level amplifying circuit to be connected with final stage amplifying circuit through isolator circuit I；The outfan of the final stage amplifying circuit with
Isolator circuit II connects；Outfan of the outfan of the isolator circuit II for amplifier；The power-sensing circuit
Input is connected with the outfan and I outfan of isolator circuit of linear amplifier circuit II respectively；The power-sensing circuit
Outfan is connected with controller circuitry；The outfan of the controller circuitry is connected with temperature compensation circuit.
In such scheme, preferably interference signal occurs module includes frequency control circuit, accumulator, phase place deposit
Device, adder, phase-control circuit, clock circuit, signal inquiry watch circuit, D/A converting circuit and filter circuit；It is described
The outfan of frequency control circuit is connected with accumulator；The accumulated device of outfan of the accumulator is connected with phase register；
The outfan of the phase register is connected with adder and accumulator respectively；The outfan of the adder and signal inquiry table
Circuit connects；The outfan of the phase-control circuit is connected with adder；The signal inquiry watch circuit Jing digital-to-analogue conversion electricity
Road is connected with filter circuit；The outfan of the clock circuit and phase register, signal inquiry watch circuit sum mould conversion
Circuit connects.
Advantages of the present invention with effect is：
1st, by the present invention in that being used for obtaining the essential information of Serving cell with synchronous detection module, for producing the dry of high correlation
Signal is disturbed, to reach most efficient interference effect；
2nd, the present invention reduces interferometer jamming-to-signal ratio, carries out in modulated signal aspect to further reduce interferometer complexity
Interference.
Description of the drawings
Fig. 1 is present system block diagram.
Specific embodiment
The invention will be further described with reference to embodiments.
A kind of digital signal interferometer, as shown in figure 1, including interferometer housing, circuit board and antenna, circuit board is arranged on
In interferometer housing, antenna is arranged on the outside of interferometer housing, and antenna is connected with circuit board；Wherein, the circuit board includes
There is module, RF front-end module, combiner module, controller module, input module, aobvious in synchronous detection module, interference signal
Show module and external interface module.
The test side of the synchronous detection module is connected with antenna；The outfan of the synchronous detection module and interference signal
Generation module connects；The synchronous detection module control end is connected with controller module；There is the defeated of module in the interference signal
Go out end to be connected with RF front-end module；The outfan of the RF front-end module is connected with combiner module；The combiner mould
The outfan of block is connected with antenna；There is the control end of module and RF front-end module and controller module in the interference signal
Connection；The outfan of the input module is connected with controller module；The input of the display module and external interface module
It is connected with controller module.
The RF front-end module includes CTC front-end circuits, CMCC front-end circuits and CUC front-end circuits, the CTC front ends
There is module with interference signal and be connected in the input of circuit, CMCC front-end circuits and CUC front-end circuits；The CTC front ends electricity
The outfan on road, CMCC front-end circuits and CUC front-end circuits is connected with combiner module.
The CTC front-end circuits include CTC FM circuit and amplifying circuit, the input of the CTC FM circuit with it is dry
Disturb signal generating module connection；The amplified circuit of outfan of the CTC FM circuit is connected with combiner module.The CTC
FM circuit mainly realizes the modulating action of signal for the frequency signal modulation to CTC.The base of a fruit that amplifying circuit is modulated
Na Lu carries out further prosperity so that transmitting and apart from farther.
The CMCC front-end circuits include CMCC FM circuit and amplifying circuit.The CUC front-end circuits include CUC frequency modulation
Circuit and amplifying circuit.CTC front-end circuits, CMCC front-end circuits and CUC front-end circuit functions are which is essentially identical, simply root
Signal is modulated according to different frequencies.
The amplifying circuit include linear amplifier circuit I, PIN pipe isolation circuits, temperature compensation circuit, linear amplifier circuit II,
Promote level amplifying circuit, isolator circuit I, final stage amplifying circuit, isolator circuit II, power-sensing circuit and controller electricity
Road；The outfan of the linear amplifier circuit I is connected with PIN pipe isolation circuits；The outfan of the PIN pipes isolation circuit and temperature
Mend circuit connection；The linear amplifying circuit of the temperature compensation circuit II is connected with level amplifying circuit is promoted；The promotion level amplifies electricity
Road is connected with final stage amplifying circuit through isolator circuit I；The outfan of the final stage amplifying circuit is connected with isolator circuit II
Connect；Outfan of the outfan of the isolator circuit II for amplifier；The input of the power-sensing circuit respectively with line
Property amplifying circuit II outfan and I outfan of isolator circuit connection；The outfan and controller of the power-sensing circuit
Circuit connects；The outfan of the controller circuitry is connected with temperature compensation circuit.
The interference signal occurs module includes frequency control circuit, accumulator, phase register, adder, phase place control
Circuit processed, clock circuit, signal inquiry watch circuit, D/A converting circuit and filter circuit；The frequency control circuit it is defeated
Go out end to be connected with accumulator；The accumulated device of outfan of the accumulator is connected with phase register；The phase register
Outfan is connected with adder and accumulator respectively；The outfan of the adder is connected with signal inquiry watch circuit；The phase
The outfan of position control circuit is connected with adder；The signal inquiry watch circuit Jing D/A converting circuits are connected with filter circuit
Connect；The outfan of the clock circuit is connected with phase register, signal inquiry watch circuit sum analog conversion circuit.
The controller module mainly includes processor circuit, and processor circuit uses the singlechip chip of STM32 series,
It is high with control progress, long service life and low-cost there is advantage.
The input module is keyboard etc., and the display module is display screen.Wherein power supply is additionally provided with inside interferometer
Module, module occurs with controller module interference signal for the power module and RF front-end module is connected power supply.
Below the preferred embodiment to the invention is illustrated, but the present invention is not limited to embodiment,
Those of ordinary skill in the art without prejudice to the invention spirit on the premise of can also make a variety of equivalents modification or
Replace, the modification of these equivalents or replacement are all contained in scope of the present application.
Claims (5)
1. a kind of digital signal interferometer, including interferometer housing, circuit board and antenna, circuit board is arranged on interferometer housing
Interior, antenna is arranged on the outside of interferometer housing, and antenna is connected with circuit board；It is characterized in that：The circuit board includes synchronization
There is module, RF front-end module, combiner module, controller module, input module, display mould in detection module, interference signal
Block and external interface module；
The test side of the synchronous detection module is connected with antenna；The outfan of the synchronous detection module is occurred with interference signal
Module connects；The synchronous detection module control end is connected with controller module；There is the outfan of module in the interference signal
It is connected with RF front-end module；The outfan of the RF front-end module is connected with combiner module；The combiner module
Outfan is connected with antenna；There is module in the interference signal and the control end of RF front-end module is connected with controller module
Connect；The outfan of the input module is connected with controller module；The input of the display module and external interface module is equal
It is connected with controller module.
2. a kind of digital signal interferometer according to claim 1, it is characterised in that：The RF front-end module includes
CTC front-end circuits, CMCC front-end circuits and CUC front-end circuits, the CTC front-end circuits, CMCC front-end circuits and CUC front ends electricity
There is module with interference signal and be connected in the input on road；The CTC front-end circuits, CMCC front-end circuits and CUC front-end circuits
Outfan be connected with combiner module.
3. a kind of digital signal interferometer according to claim 2, it is characterised in that：The CTC front-end circuits include CTC
There is module and be connected in FM circuit and amplifying circuit, input and the interference signal of the CTC FM circuit；The CTC frequency modulation
The amplified circuit of outfan of circuit is connected with combiner module.
4. a kind of digital signal interferometer according to claim 3, it is characterised in that：The amplifying circuit includes linearly putting
Big circuit I, PIN pipe isolation circuits, temperature compensation circuit, linear amplifier circuit II, promotion level amplifying circuit, isolator circuit I, final stage
Amplifying circuit, isolator circuit II, power-sensing circuit and controller circuitry；The outfan and PIN of the linear amplifier circuit I
Pipe isolation circuit connects；The outfan of the PIN pipes isolation circuit is connected with temperature compensation circuit；The linear amplification of the temperature compensation circuit
Circuit II is connected with level amplifying circuit is promoted；The promotion level amplifying circuit is connected with final stage amplifying circuit through isolator circuit I
Connect；The outfan of the final stage amplifying circuit is connected with isolator circuit II；The outfan of the isolator circuit II is amplification
The outfan of device；The input of power-sensing circuit outfan and isolator circuit I respectively with linear amplifier circuit II
Outfan connects；The outfan of the power-sensing circuit is connected with controller circuitry；The outfan of the controller circuitry with
Temperature compensation circuit connects.
5. a kind of digital signal interferometer according to claim 1, it is characterised in that：There is module bag in the interference signal
Include frequency control circuit, accumulator, phase register, adder, phase-control circuit, clock circuit, signal inquiry watch circuit,
D/A converting circuit and filter circuit；The outfan of the frequency control circuit is connected with accumulator；The accumulator it is defeated
Go out to hold accumulated device to be connected with phase register；The outfan of the phase register is connected with adder and accumulator respectively；
The outfan of the adder is connected with signal inquiry watch circuit；The outfan of the phase-control circuit is connected with adder；
The signal inquiry watch circuit Jing D/A converting circuits are connected with filter circuit；The outfan of the clock circuit is posted with phase place
Storage, signal inquiry watch circuit sum analog conversion circuit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163326.1A CN106533609A (en) | 2016-12-15 | 2016-12-15 | Digital signal interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163326.1A CN106533609A (en) | 2016-12-15 | 2016-12-15 | Digital signal interferometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533609A true CN106533609A (en) | 2017-03-22 |
Family
ID=58340875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611163326.1A Pending CN106533609A (en) | 2016-12-15 | 2016-12-15 | Digital signal interferometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533609A (en) |
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| CN205725787U (en) * | 2016-04-22 | 2016-11-23 | 陕西凌华电子有限公司 | A kind of signal interrupter |
| CN206237416U (en) * | 2016-12-15 | 2017-06-09 | 深圳市飞思腾科技有限公司 | A kind of data signal interferometer |
-
2016
- 2016-12-15 CN CN201611163326.1A patent/CN106533609A/en active Pending
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| CN204131498U (en) * | 2014-10-22 | 2015-01-28 | 华中科技大学 | A kind of phase-locked loop frequency synthesizer |
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| CN106059598A (en) * | 2016-05-03 | 2016-10-26 | 广东欧珀移动通信有限公司 | Anti-harmonic interference device of carrier aggregation, antenna device and mobile terminal |
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Application publication date: 20170322 |
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