CN104849294A - Article examining and detecting device based on extremely high-frequency impulse electromagnetic wave - Google Patents
Article examining and detecting device based on extremely high-frequency impulse electromagnetic wave Download PDFInfo
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Abstract
The invention discloses an article examining and detecting device based on an extremely high-frequency impulse electromagnetic wave. The article examining and detecting device based on the extremely high-frequency impulse electromagnetic wave is characterized in that the extremely high-frequency impulse electromagnetic wave is adopted for irradiating interior of a to-be-detected cargo in a convergence manner and article ingredients at an electromagnetic wave convergence point are examined and analyzed. The article examining and detecting device based on the extremely high-frequency impulse electromagnetic wave has the advantages that article ingredients in the cargo can be accurately detected in a certain distance outside by virtue of bit-by-bit scattering of the extremely high-frequency impulse electromagnetic wave of the cargo, and the article ingredients carried in the cargo can be accurately examined and detected without opening the cargo.
Description
Technical field
The invention belongs to the technical field of physical message and species analysis, be specifically related to article components and nose into analytical technology.
Background technology
Because present society is subject to the invasion of terrorism and drugs, worry pedestrian is entrained with prohibited items with it and in the bag carried, in the urgent need to searching the contraband goods of carrying to the detection means of people's safety, and hope civilization nose into mode, need not open bag and goods just energy remote measurement analyze and find whether article inside carries secretly and be mixed with contraband goods.This research becomes the focus that world technology circle is paid close attention to now, constantly has new technology proposition and trial to carry out contraband goods detection study and application.
The world today, the useful Raman spectrometer of correlation technique is filtered by Rayleigh and obtains the molecular structure scattering spectrum of visible light frequency band and carry out the chromatography of gases analysis that species analysis, infrared spectrometer carry out mass spectrophotometry after carrying out species analysis, also useful molecular ionization to the infrared spectrum obtained after material absorbing infrared light, the analysis of ion mobility spectrometry, vaporized molecules move under tube wall damping, these species analysis must be directly analyze to article or to the article in glass container, can not carry out sampling analysis through opaque bag to internal objects.
And can carry out that article nose into through bag have the species analysis of the transmission of multipotency X-ray and scattering, the time domain species analysis of species analysis that fast neutron surveys gamma-rays amount, Terahertz ray, adopt the technology such as ultra wide band electrically magnetic wave dielectric conductance rate species analysis in addition, the X-ray technology in these technology and fast neutron technology are all use the ray very large to human injury.Terahertz ray time domain species analysis and the analysis of electromagnetic field conductive material do not injure people, but the former needs complicated femtosecond laser and time-domain signal detection system, and the accuracy of detection of the latter is lower, make the X-ray that remains of main application at present nose into technology.
The electromagnetic wavelength of extremely high frequency is extremely short, and in the scope of 1-10mm, most of non-metallic objectsit is not a metal object is low to extremely high frequency electromagnetic wave absorptivity, can be through and take remote measurement.Material molecule absorbs induced electricity magnetic wave can produce structure quake or rotation, there is corresponding energy wave scattering, be separated with emissive source difference over frequency and over time the detection carrying out scattering wave for scattering wave, the eigenwert as material molecule carries out constituent analysis.The electromagnetic penetrability of higher tremendously high frequency is not as extremely high frequency electromagnetic wave, and many through rate variance, quite a lot of article difficulty penetrates, and applicability is then poor.Although metal pair extremely high frequency reflection of electromagnetic wave rate is large, also can through some metal films, sheet metal and grating sheet, water class I liquid I is comparatively large to extremely high frequency electromagnetic wave absorptivity, but also can analyze the composition of liquid level.
Extremely high frequency pulse electromagnetic wave of also having no backing in current relevant technology carries out automatically irradiation cargo by turn and does differentiate analysis to nose into the scheme of object to molecular scattering spectral profile.
Summary of the invention
The present invention is directed to have in existing material Detection Techniques can not penetrate external packing, the defect such as the ray that has is pernicious to people, the precision that has is low, its object is to provide a kind of article based on extremely high frequency pulse electromagnetic wave to nose into technology, this technology is by the extremely high frequency of the scattering by turn pulse electromagnetic wave spectrum of goods, can accurately find out article components in goods outward at certain distance, realize not opening the article components that goods accurately can nose into entrained with in case and bag goods.
In order to achieve the above object, the present invention adopts following technical scheme:
Article based on extremely high frequency pulse electromagnetic wave nose into a device, and described article nose into device and irradiate goods to be detected inside, with the article components of Inspection and analysis electromagnetic wave convergence point with adopting the convergence of extremely high frequency pulse electromagnetic wave.
Preferably, described article nose into device and adopt the steep short pulse electromagnetic wave of extremely high frequency of range finding control to irradiate goods interior items to be detected by turn with converging, and the extremely high frequency scattering electromagnetic wave that the article molecule of each convergent point by turn of automatic reception inspires this extremely high frequency steep short pulse electromagnetic wave induction after vibration, and nose into the article components of electromagnetic wave convergence point with this.
Preferably, described article nose into the electromagnetic spectral profile of extremely high frequency scattering that device is inspired this extremely high frequency steep short pulse electromagnetic wave induction after vibration by the article molecule analyzing each convergent point by turn received, and carry out the similar probabilistic determination of material composition with the corner position of this spectral profile and rate of change.
Preferably, described article nose into device and comprise: extremely high frequency pulse electromagnetic wave converges transmitter unit, autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element and extremely high frequency pulse electromagnetic wave by turn and produces and calculation control unit; Described extremely high frequency pulse electromagnetic wave generation and calculation control unit respectively control linkage extremely high frequency pulse electromagnetic wave converge transmitter unit, autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element by turn;
Described extremely high frequency pulse electromagnetic wave generation and calculation control unit control extremely high frequency pulse electromagnetic wave converge transmitter unit by turn and are concentrated by steep for extremely high frequency short pulse electromagnetic wave convergence to be irradiated to goods to be detected inside by turn, and the concentrated convergence making the diverse location in goods to be detected obtain the steep short pulse electromagnetic wave of extremely high frequency by the order converging irradiation is by turn irradiated to inspire extremely high frequency scattering electromagnetic wave; And control autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element is done from motion tracking, and it is inner by the extremely high frequency scattering electromagnetic wave concentrating convergence irradiation to inspire by turn successively to receive goods to be detected; Analyze the electromagnetic spectral profile of this extremely high frequency scattering again, to determine article components.
Preferably, described article nose in device and also comprise range cells, described extremely high frequency pulse electromagnetic wave produces and calculation control unit utilizes range cells to measure cargo location to be detected, and controls extremely high frequency pulse electromagnetic wave accordingly and converge transmitter unit by turn automatically to concentrate convergence to be irradiated to goods to be detected by turn steep for extremely high frequency short pulse electromagnetic wave inner.
Preferably, described extremely high frequency pulse electromagnetic wave converges transmitter unit by turn and mainly comprises the steep short pulse electromagnetic wave emitting antenna of adjustable convergent type extremely high frequency.
Preferably, described extremely high frequency pulse electromagnetic wave converges transmitter unit by turn and also comprises the steep short pulse electromagnetic wave output amplifier of extremely high frequency and automatic electric magnetic wave convergence transmitting regulator, the steep short pulse electromagnetic wave emitting antenna of described adjustable convergent type extremely high frequency is placed in automatic electric magnetic wave and converges on transmitting regulator, and connects with extremely high frequency steep short pulse electromagnetic wave output amplifier data.
Preferably, described autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element mainly comprises extremely high frequency micro-signal pulse electromagnetic wave receiving antenna.
Preferably, described autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element also comprises and detects preamplifier from the servomotor regulator of motion tracking convergent point and extremely high frequency electromagnetic wave signal, described extremely high frequency micro-signal pulse electromagnetic wave receiving antenna is placed on the servomotor regulator of motion tracking convergent point, and detects preamplifier data with extremely high frequency electromagnetic wave signal and connect.
Preferably, described extremely high frequency pulse electromagnetic wave produces and calculation control unit comprises: constant-current voltage-stabilizing large power supply, computing machine control disposal system, the steep short pulse electromagnetic wave generator of extremely high frequency and extremely high frequency scattering electromagnetic wave and receive detecting device, described extremely high frequency steep short pulse electromagnetic wave generator produces the steep short pulse signal of extremely high frequency under the power supply of constant-current voltage-stabilizing large power supply, and reaches extremely high frequency pulse electromagnetic wave and converge transmitter unit by turn, described extremely high frequency scattering electromagnetic wave receives detecting device and detects the extremely high frequency scattering electromagnetic wave that autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element receives, and obtains corresponding very high molecular frequency dispersion radio magnetic wave, and reaches computing machine control disposal system, described computing machine controls disposal system and calculates signal amplitude according to the extremely high frequency pulse electromagnetic wave parameter of irradiation and the backoff algorithm of energy frequency change correspondence, and detect fluctuation position and the signal graph of Received signal strength, frequency relative after measured and time relationship obtain the extremely high frequency molecular scattering spectral profile of check point, the numerical value such as corner position and flex point curvilinear motion rate of the extremely high frequency scattering wave energy variation relevant to the molecular structure of article is herein obtained again with the algorithm of first derivation, each character numerical value of this group spectral profile is the eigenwert that this article molecule corresponding duplicates under this type of extremely high frequency pulse electromagnetic wave irradiates, this compares with each result of detection stored in as the foundation analyzing article components by database, determine when detect that the probability that the tested article of identical numerical value group are ware is 100% with this.
Preferably, described article nose into device by steep for extremely high frequency short pulse electromagnetic wave emitting antenna and extremely high frequency micro-signal pulse electromagnetic wave receiving antenna with in the same way or in a certain angle towards goods to be detected.
The present invention adopts uniquely and the steep short pulse electromagnetic wave of extremely high frequency of strikes cargo automatically can converge by turn and irradiate to excite scattering wave to receive, then carries out comparing by process detection scattering wave spectrum, realizes exempting from unlatching accurately nose into goods interior items composition with this.Therefore the present invention can for nonmetal goods such as bags when certain distance be outer and when not needing to open goods, whether this goods interior items of accurately detecting carries contraband goods secretly, effectively solves the problem existing for prior art.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the inner structure schematic diagram that article provided by the invention nose into device;
Fig. 2 is the operating diagram that article provided by the invention nose into device.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
The present invention is inner by adopting the steep short pulse electromagnetic wave of extremely high frequency to irradiate goods to be detected by turn with converging, and the extremely high frequency scattering electromagnetic wave that the article molecule of each convergent point by turn of automatic reception inspires this extremely high frequency steep short pulse electromagnetic wave induction after vibration, whether the article components analyzing electromagnetic wave convergence point with this is the contraband goods in database.
Based on above-mentioned principle, the steep short pulse electromagnetic wave of extremely high frequency that scheme provided by the invention have employed range finding control converges irradiation goods interior items to be detected by turn, and the electromagnetic spectral profile of extremely high frequency scattering detecting convergent point and inspire is received from motion tracking, the similar probabilistic determination of material composition is carried out with rate of change again by the extremely high frequency electromagnetic spectrum point of inflexion on a curve position of derivative algorithms comparison article molecular scattering, realize goods to exempt to open interior items composition and nose into, thus realize being entrained with in the nonmetal goods such as bag (as case and bag goods) constituent analysis that contraband goods carries out accurate safety check detection and interior of articles material outside certain distance.
See Fig. 1 and Fig. 2, its be depicted as based on above-mentioned principle scheme formed a kind of based on extremely high frequency pulse electromagnetic wave scattering goods and the interior items exempting to open noses into the structural representation of device by turn.
As seen from the figure, these article nose into device 100, converge emitting head 120, phase type high precision distance detector 130, autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140 etc. by turn form by system host 110, front end extremely high frequency pulse electromagnetic wave.
Front end extremely high frequency pulse electromagnetic wave converges the front end that emitting head 120 is arranged on system host 110 by turn, under the control of system host 110, the steep short pulse electromagnetic wave of extremely high frequency produced by extremely high frequency steep short pulse electromagnetic wave generator circuit 116 in system host 110 concentrates the goods inside of converging and being irradiated to front by turn, and the convergence irradiation making the article in bag be subject to the steep short pulse electromagnetic wave of extremely high frequency excites scattering electromagnetic wave.
This front end extremely high frequency pulse electromagnetic wave converges the automatic electric magnetic wave that emitting head 120 mainly comprises extremely high frequency steep short pulse electromagnetic wave output amplifier 122, computer servo controls by turn and converges transmitting regulator 125, the steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency.
Wherein, the input of extremely high frequency steep short pulse electromagnetic wave output amplifier 122 connects with the output of the steep short pulse electromagnetic wave generator circuit 116 of extremely high frequency in system host 110, its output connects with the steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency, and the steep short pulse electromagnetic wave of extremely high frequency for producing high frequency steep short pulse electromagnetic wave generator circuit 116 amplifies and reaches the steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency.
The steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency, its automatic electric magnetic wave being arranged on computer servo control converges to be launched on regulator 125, inner for steep for the extremely high frequency received short pulse electromagnetic wave is irradiated goods to be detected with converging.
The automatic electric magnetic wave that computer servo controls converges launches the convergence direction of illumination of regulator 125 for fine adjustment steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency on it, this regulator 125 is specifically controlled by the Embedded computer system disposal system 114 in system host 110, under the control of Embedded computer system disposal system 114, realize fine adjustment emitting antenna 127 being converged to direction of illumination, concentrate convergence to be irradiated to goods to be detected by turn steep for extremely high frequency short pulse electromagnetic wave inner.
On this basis, the precision converging and irradiate the steep short pulse electromagnetic wave of extremely high frequency is concentrated by turn in order to improve emitting antenna 127 further, and realize automatically concentrating by turn to converge irradiating, this programme also arranges phase type high precision distance detector 130 in the front end of system host 110, this phase type high precision distance detector 130 and the Embedded computer system disposal system 114 in system host 110, for measuring the position of goods to be detected in real time, and the position data of the goods to be detected measured is reached Embedded computer system disposal system 114.
The position of the goods to be detected that Embedded computer system disposal system 114 is measured according to phase type high precision distance detector 130, transmitting regulator 125 is converged to automatic electric magnetic wave and carries out servocontrol, converge the electromagnetic wave of transmitting regulator 125 to the steep short pulse electromagnetic wave emitting antenna 127 of adjustable convergent type extremely high frequency by automatic electric magnetic wave again to automatically adjust convergent point position by turn, realize automatically converging the steep short pulse electromagnetic wave of extremely high frequency by turn, the concentrated convergence making the diverse location of goods inside to be detected obtain extremely high frequency pulse electromagnetic wave is in order irradiated to excite scattering electromagnetic wave.
Autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140 its be arranged on system host 110, be controlled by the Embedded computer system disposal system 114 in system host 110, and connect with the extremely high frequency scattering electromagnetic wave receiving test circuit 118 in system host 110.This receiver 140 detects for highly sensitive the extremely high frequency scattering electromagnetic wave that the article molecule of the extremely high frequency steep short pulse electromagnetic wave irradiation convergent point in suitably distance front inspires this extremely high frequency steep short pulse electromagnetic wave induction after vibration, and the extremely high frequency scattering electromagnetic wave detected is reached the extremely high frequency scattering electromagnetic wave receiving test circuit 118 in system host 110.
As shown in the figure, this autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140 mainly comprises electromagnetic wave receiver support 142, detects preamplifier 150 and extremely high frequency micro-signal pulse electromagnetic wave receiving antenna 148 from the servomotor regulator 145 of motion tracking convergent point, extremely high frequency electromagnetic wave signal.
Wherein, electromagnetic wave receiver support 142 is for carrying other building block in autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140.This electromagnetic wave receiver support 142 is specifically placed in the top of system host 110 front end.
Be placed on electromagnetic wave receiver support 142 from the servomotor regulator 145 of motion tracking convergent point, and the Embedded computer system disposal system 114 be controlled by system host 110, under the control of Embedded computer system disposal system 114, the direction of automatic adjustment extremely high frequency micro-signal pulse electromagnetic wave receiving antenna 148, makes the steep short pulse electromagnetic wave convergent point of extremely high frequency that it is aimed in goods to be detected from motion tracking.
Extremely high frequency micro-signal pulse electromagnetic wave receiving antenna 148 is placed on the servomotor regulator 145 of motion tracking convergent point, under the regulable control of the servomotor regulator 145 from motion tracking convergent point, from motion tracking, successively receive each article molecule extremely high frequency scattering electromagnetic wave detecting the goods internal irradiation electromagnetic wave that appears convergent point by turn.
The input end of extremely high frequency electromagnetic wave signal detection preamplifier 150 exports with extremely high frequency micro-signal pulse electromagnetic wave receiving antenna 148 and connects, and its output terminal connects with the extremely high frequency scattering electromagnetic wave receiving test circuit 118 in system host 110.After extremely high frequency electromagnetic wave signal detection preamplifier 150 carries out amplification separation for the extremely high frequency scattering electromagnetic wave signal received by extremely high frequency micro-signal pulse electromagnetic wave receiving antenna 148, send into extremely high frequency scattering electromagnetic wave receiving test circuit 118.
System host 110 in device is the controlling calculation center that whole article nose into device 100, for generation of the steep short pulse electromagnetic wave of extremely high frequency as detection source, and control front end extremely high frequency pulse electromagnetic wave and converge emitting head 120 by turn and steep for this extremely high frequency short pulse electromagnetic wave is concentrated by turn to converge the goods being irradiated to front inner; Simultaneously, system host 110 also control autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140 from motion tracking, successively receive each article molecule extremely high frequency scattering electromagnetic wave detecting the goods internal irradiation electromagnetic wave that appears convergent point by turn, and computational analysis is carried out to this extremely high frequency scattering electromagnetic wave, accurately to determine that whether the article components of electromagnetic wave convergence point is the contraband goods in database.
Concrete, this system host 110 comprises a casing, and in this casing, be placed with constant-current voltage-stabilizing large power supply 112, Embedded computer system disposal system 114, the steep short pulse electromagnetic wave generator circuit 116 of extremely high frequency and extremely high frequency scattering electromagnetic wave receiving test circuit 118.
Constant-current voltage-stabilizing large power supply 112 is connected with the power end of the steep short pulse electromagnetic wave generator circuit 116 of extremely high frequency, and the work stable for extremely high frequency steep short pulse electromagnetic wave generator circuit 116 is powered.
Extremely high frequency steep short pulse electromagnetic wave output amplifier 122 data that output terminal and the front end extremely high frequency pulse electromagnetic wave of extremely high frequency steep short pulse electromagnetic wave generator circuit 116 converge in emitting head 120 by turn connect, under the power supply of constant-current voltage-stabilizing large power supply 112, produce the steep short pulse signal of extremely high frequency, and deliver to the steep short pulse electromagnetic wave output amplifier 122 of extremely high frequency.
The input end of extremely high frequency scattering electromagnetic wave receiving test circuit 118 is connected to extremely high frequency electromagnetic wave signal and detects preamplifier 150, its output terminal is connected to Embedded computer system disposal system 114, the extremely high frequency electromagnetic wave signal of input processed and obtains the spectral profile of its amplitude-frequency change, and calculating the corresponding exomonental time delay of Received signal strength.
Embedded computer system disposal system 114, the steep short pulse electromagnetic wave generator circuit 116 of control linkage extremely high frequency and extremely high frequency scattering electromagnetic wave receiving test circuit 118 respectively, also control linkage phase type high precision distance detector 130, automatic electric magnetic wave converge and launch regulator 125 and servomotor regulator 145 simultaneously, coordinate the work between them thus.
This Embedded computer system disposal system 114 is when making a concrete analysis of process, backoff algorithm according to the extremely high frequency pulse electromagnetic wave parameter of irradiating and energy frequency change correspondence calculates signal amplitude, and detect fluctuation position and the signal graph of Received signal strength, frequency relative after measured and time relationship obtain the extremely high frequency molecular scattering spectral profile of check point, the numerical value such as corner position and flex point curvilinear motion rate of the extremely high frequency scattering wave energy variation relevant to the molecular structure of article is herein obtained again with the algorithm of first derivation, each flex point of this group spectral profile and curvilinear motion numerical value are the eigenwerts that this article molecule corresponding repeats under this type of extremely high frequency pulse electromagnetic wave irradiates, as analyzing the foundation of article components stored in database, and compare with each result of detection, determine when detect that the probability that the tested article of identical numerical value group are ware is 100% with this.Alarm is carried out to this, thus realizes detecting outside certain distance in goods being entrained with this kind of prohibited items.
Thus, this device is when nosing into, the component signal 245 of this extremely high frequency scattering electromagnetic wave in receiving antenna direction is received by highly sensitive autotracking extremely high frequency scattering Electromagnetic Wave Detection receiver 140 and send inner preamplifier and receiving processing circuit to isolate the analyses and comparison that signal waveform carries out scattering wave spectrum, the unlatching through mode article components comparison of exempting from carrying out tested goods 300 interior items 310 noses into, goods 300 can be placed on and transfer table 400 carry out Multidirectional-moving scanning and nose into, and effectively ensures the precision nosed into.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (11)
1. the article based on extremely high frequency pulse electromagnetic wave nose into a device, it is characterized in that, described article nose into device and irradiate goods to be detected inside, with the article components of Inspection and analysis electromagnetic wave convergence point with adopting the convergence of extremely high frequency pulse electromagnetic wave.
2. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 1 nose into device, it is characterized in that, described article nose into device and adopt the steep short pulse electromagnetic wave of extremely high frequency of range finding control to irradiate goods interior items to be detected by turn with converging, and the extremely high frequency scattering electromagnetic wave that the article molecule of each convergent point by turn of automatic reception inspires this extremely high frequency steep short pulse electromagnetic wave induction after vibration, and nose into the article components of electromagnetic wave convergence point with this.
3. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 2 nose into device, it is characterized in that, described article nose into the electromagnetic spectral profile of extremely high frequency scattering that device is inspired this extremely high frequency steep short pulse electromagnetic wave induction after vibration by the article molecule analyzing each convergent point by turn received, and carry out the similar probabilistic determination of material composition with the corner position of this spectral profile and rate of change.
4. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 1 or 2 or 3 nose into device, it is characterized in that, described article nose into device and comprise: extremely high frequency pulse electromagnetic wave converges transmitter unit, autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element and extremely high frequency pulse electromagnetic wave by turn and produces and calculation control unit; Described extremely high frequency pulse electromagnetic wave generation and calculation control unit respectively control linkage extremely high frequency pulse electromagnetic wave converge transmitter unit, autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element by turn;
Described extremely high frequency pulse electromagnetic wave generation and calculation control unit control extremely high frequency pulse electromagnetic wave converge transmitter unit by turn and are concentrated by steep for extremely high frequency short pulse electromagnetic wave convergence to be irradiated to goods to be detected inside by turn, and the concentrated convergence making the diverse location in goods to be detected obtain the steep short pulse electromagnetic wave of extremely high frequency by the order converging irradiation is by turn irradiated to inspire extremely high frequency scattering electromagnetic wave; And control autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element is done from motion tracking, and it is inner by the extremely high frequency scattering electromagnetic wave concentrating convergence irradiation to inspire by turn successively to receive goods to be detected; Analyze the electromagnetic spectral profile of this extremely high frequency scattering again, to determine article components.
5. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 4 nose into device, it is characterized in that, described article nose in device and also comprise range cells, described extremely high frequency pulse electromagnetic wave produces and calculation control unit utilizes range cells to measure cargo location to be detected, and controls extremely high frequency pulse electromagnetic wave accordingly and converge transmitter unit by turn automatically to concentrate convergence to be irradiated to goods to be detected by turn steep for extremely high frequency short pulse electromagnetic wave inner.
6. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 4 nose into device, it is characterized in that, described extremely high frequency pulse electromagnetic wave converges transmitter unit by turn and mainly comprises the steep short pulse electromagnetic wave emitting antenna of adjustable convergent type extremely high frequency.
7. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 6 nose into device, it is characterized in that, described extremely high frequency pulse electromagnetic wave converges transmitter unit by turn and also comprises the steep short pulse electromagnetic wave output amplifier of extremely high frequency and automatic electric magnetic wave convergence transmitting regulator, the steep short pulse electromagnetic wave emitting antenna of described adjustable convergent type extremely high frequency is placed in automatic electric magnetic wave and converges on transmitting regulator, and connects with extremely high frequency steep short pulse electromagnetic wave output amplifier data.
8. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 4 nose into device, it is characterized in that, described autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element mainly comprises extremely high frequency micro-signal pulse electromagnetic wave receiving antenna.
9. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 8 nose into device, it is characterized in that, described autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element also comprises and detects preamplifier from the servomotor regulator of motion tracking convergent point and extremely high frequency electromagnetic wave signal, described extremely high frequency micro-signal pulse electromagnetic wave receiving antenna is placed on the servomotor regulator of motion tracking convergent point, and detects preamplifier data with extremely high frequency electromagnetic wave signal and connect.
10. a kind of article based on extremely high frequency pulse electromagnetic wave according to claim 4 nose into device, it is characterized in that, described extremely high frequency pulse electromagnetic wave produces and calculation control unit comprises: constant-current voltage-stabilizing large power supply, computing machine control disposal system, the steep short pulse electromagnetic wave generator of extremely high frequency and extremely high frequency scattering electromagnetic wave and receive detecting device, described extremely high frequency steep short pulse electromagnetic wave generator produces the steep short pulse signal of extremely high frequency under the power supply of constant-current voltage-stabilizing large power supply, and reaches extremely high frequency pulse electromagnetic wave and converge transmitter unit by turn, described extremely high frequency scattering electromagnetic wave receives detecting device and detects the extremely high frequency scattering electromagnetic wave that autotracking extremely high frequency scattering Electromagnetic Wave Detection receiving element receives, and obtains corresponding very high molecular frequency dispersion radio magnetic wave, and reaches computing machine control disposal system, described computing machine controls disposal system and calculates signal amplitude according to the extremely high frequency pulse electromagnetic wave parameter of irradiation and the backoff algorithm of energy frequency change correspondence, and detect fluctuation position and the signal graph of Received signal strength, frequency relative after measured and time relationship obtain the extremely high frequency molecular scattering spectral profile of check point, the numerical value such as corner position and flex point curvilinear motion rate of the extremely high frequency scattering wave energy variation relevant to the molecular structure of article is herein obtained again with the algorithm of first derivation, each character numerical value of this group spectral profile is the eigenwert that this article molecule corresponding duplicates under this type of extremely high frequency pulse electromagnetic wave irradiates, this compares with each result of detection stored in as the foundation analyzing article components by database, determine when detect that the probability that the tested article of identical numerical value group are ware is 100% with this.
11. a kind of article based on extremely high frequency pulse electromagnetic wave according to any one of claim 6-9 nose into device, it is characterized in that, described article nose into device by steep for extremely high frequency short pulse electromagnetic wave emitting antenna and extremely high frequency micro-signal pulse electromagnetic wave receiving antenna with in the same way or in a certain angle towards goods to be detected.
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| CN112260763A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Ray position modulation communication system and communication method |
| CN112260763B (en) * | 2020-10-19 | 2022-01-18 | 中国核动力研究设计院 | Ray position modulation communication system and communication method |
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