CN105933077B - The optimization of multichannel is than width fluorescence spectrum radio direction-finding system and method - Google Patents
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system and method Download PDFInfo
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- CN105933077B CN105933077B CN201610461551.7A CN201610461551A CN105933077B CN 105933077 B CN105933077 B CN 105933077B CN 201610461551 A CN201610461551 A CN 201610461551A CN 105933077 B CN105933077 B CN 105933077B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
Abstract
The invention discloses a kind of optimizations of multichannel than width fluorescence spectrum radio direction-finding system and method, is related to direction-finding station technical field.The present invention receives radio signal using the directional aerial of at least Third Mate's known direction feature, and the radio signal received is handled, direction finding is carried out by optimal method, the pioneering fixed antenna direction-finding station using digital phosphor frequency spectrum, solves the quick direction finding problem of transient signal and homogenous frequency signal.It solves the problems, such as that direction finder sensitivity, accuracy and direction finding speed cannot be taken into account in the prior art, proposes one kind and have highly sensitive, pinpoint accuracy concurrently, it is not high to the coherence request of component, it is capable of the amplitude direction-finding system and method for quick direction finding；A kind of direction-finding system that can satisfy data needed for optimization computation is additionally provided simultaneously, optimization computation can be carried out to measurement result, rapidly carries out real-time direction finding, and carry out subsequent direction finding using the data of storage.
Description
Technical field
The present invention relates to direction-finding station technical field, more specifically to a kind of multichannel optimization than width fluorescence
Spectrum radios direction-finding system and method.
Background technique
On the one hand, social development promote radio cause rapidly develop, direction-finding station technology as radio monitoring,
One important technological means of technology investigation and electronic countermeasure, has obtained industry and has more and more paid close attention to.According to direction finding principle
Difference, direction finding system can be divided into amplitude method, phase method, Doppler method, time difference method and Estimation of Spatial Spectrum method etc..
Amplitude method direction-finding system due to its structure is simple, steady performance and be widely used and led in direction-finding station
Domain.Amplitude method presses the difference of amplitude information Land use systems, can be subdivided into maximum-signal method (also referred to as big point of articulation method), minimum signal method
(also referred to as small point of articulation method) and amplitude comparison method；By the difference of receiving channel quantity, single channel and two kinds of multichannel can be subdivided into；It presses
The difference of receiving antenna quantity can be subdivided into single antenna and two kinds of multiple antennas.For multichannel amplitude method direction-finding system, system is wanted
Each beam antenna and its receiving path is asked to suffer from the amplitude characteristic of strict conformance；And the amplitude method based on single receiving channel is surveyed
The inconsistent influence to system Measure direction performance of each channel amplitude characteristic is reduced to system, direction finding precision is significantly mentioned
Height, but timeliness is not so good as multichannel amplitude method direction-finding system.
Current existing amplitude method direction finding technology is respectively provided with following defect:
Although 1, maximum signal direction finding direction finder sensitivity is high, bearing accuracy is not high, and direction finding speed is slow.Because of a side
The directional diagram in face, directional aerial is gentle in the variation of maximum gain approximate angle, insensitive to angle change；On the other hand, it needs
A large amount of antenna azimuth-signal strength data pair, can just obtain the antenna azimuth where peak signal.
Although 2, minimum signal method bearing accuracy is higher, direction finder sensitivity is not high, and direction finding speed is slow.Because of a side
The directional diagram in face, directional aerial is precipitous in the variation of least gain approximate angle, but antenna gain is low herein；On the other hand, it needs
A large amount of antenna azimuth-signal strength data pair, can just obtain the antenna azimuth where peak signal.
3, existing amplitude comparison method, the comparison of amplitude are realized by circuit, high to the coherence request of component, debugging difficulty
Greatly, and real-time direction finding can only be carried out.
Second aspect, with the fast development of radio technology, high-speed frequency-hopping, spread spectrum, time division multiplexing, complex modulation etc. are new
Technology has been more and more widely used, and the various Low probability intercept signals such as short pulse signal, Sweeping nonlinearity are increasing, utilizes
Traditional technology means carry out radio signal monitoring and face many difficulties, it is difficult to transient signal and different instantaneous transmission probability
Homogenous frequency signal carries out direction finding.And digital phosphor spectrum technology rationally solves Fast Fourier Transform (FFT) (FFT) spectral velocities people fastly
The eye observation limited instantaneous spectrum amplitude distribution frequency analysis display technology of speed, can accumulate a large amount of frequency spectrum in instantaneous time
Figure, accumulative effect show that the color rule of correspondence is usually that the warm colours such as red, orange, yellow show that the frequency occurs with bitmap color
(i.e. probability of occurrence) is higher, and the cool colours such as black, blue, light blue show that the generation frequency is lower, can also use other amplitudes etc.
Grade scheme.Quick, concealed signal change procedure can thus be shown with the form of the instantaneous spectrum amplitude distribution frequency
Come, various transient signals, homogenous frequency signal can be detected, meet the radio monitoring need of work under complex electromagnetic environment.It is typical
Product have Imtech of the U.S. produce the portable real-time spectrum analyzer of H500/H600 type and RSA6100A series in real time frequency
Spectrum analysis instrument, German Rohde & Schwarz Representative Office's production ESMD type monitoring receiver, the U.S. are the 9020/ of the production of moral scientific & technical corporation
9030 type spectrum analyzers configure RTSA option etc..Direction finding is carried out using digital phosphor frequency spectrum data, it will be able to solve transient state
The direction finding problem of the homogenous frequency signal of signal and different instantaneous transmission probability, but the mostly not applicable digital phosphor of traditional direction-finding method
Frequency spectrum.Chengdu Dianzhen Technology Co., Ltd. has made beneficial exploration to this, digital phosphor spectrum technology is used for it in 2011
In DZM-80 type portable monitoring direction-finding system, the U.S. is shocked, the H600 type Real-time Spectrum Analyzer centering of Imtech of the U.S. is caused
The embargo of state.In essence, what Chengdu Dianzhen Technology Co., Ltd. used at that time is still maximum-signal method, has been applied
Number be 201110209773.7 " utilizing the wireless direction finding method of instantaneous spectrum amplitude distribution frequency data " patent of invention, by
In stated in principal right item it is innovative not enough, not patented power.
The third aspect, optimal method are also referred to as operational research Methods, are that recent decades are formed, it mainly uses mathematics side
Method studies the Optimized Approaches and scheme of various systems, it is therefore intended that for the system studied, acquires each son of reasonable utilization
The preferred plan of system capability plays and improves the efficiency and benefit of system, is finally reached the optimal objective of system.Industry,
In the real work in each field of each department such as agricultural, communications and transportation, business, national defence, building, communication, government bodies, people are frequent
The extreme value found a function or max min problem can be encountered, this kind of problems are exactly optimization problem, and solve to optimize and ask
The mathematical method of topic is referred to as optimal method, it mainly solve optimal production planning, optimum allocation, optimal design, it is optimal certainly
Plan, Optimal Management etc. find a function maximum value, minimum problems, including linear programming, integer programming, Non-Linear Programming, dynamic rule
It draws and intelligent optimization method etc..But it to be not yet used for direction-finding station field so far.
Summary of the invention
In order to overcome the defects of the prior art described above, optimal method is introduced direction-finding station field by the present invention, is provided
A kind of optimization of multichannel is than width fluorescence spectrum radio direction-finding system and method, and the present invention is using at least Third Mate's known formula
Radio signal is received to the directional aerial of feature, and the radio signal received is handled, passes through optimal method
Carry out direction finding.It is an object of the invention to: solve what direction finder sensitivity, accuracy and direction finding speed in the prior art cannot be taken into account
Problem proposes one kind and has highly sensitive, pinpoint accuracy concurrently, not high to the coherence request of component, is capable of quick direction finding
Amplitude direction-finding system and method；Data needed for optimization computation can also be met simultaneously, measurement result can be optimized
It calculates, rapidly carries out direction finding.
In order to solve above-mentioned problems of the prior art, the present invention is achieved through the following technical solutions:
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, it is characterised in that:
At least Third Mate's known direction feature and order to directional aerial；
It is identical with directional aerial quantity and will be received for receiving the radio signal that directional aerial receives, and respectively
The amplitude-frequency characteristic processing of the radio signal arrived is the monitoring receiving channel of the monitoring receiving device of fluorescence spectrum data；
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carried out wireless
Electrical measurement to microprocessor.
The directional aerial is log-periodic antenna, yagi aerial, electromagnetic horn, double-ridged horn antenna and compound loop antenna
One of or a variety of combinations.
Overpay that directional aerial is all the same, the angle between any two pairs of directional aerials is wide no more than the main beam of directional aerial
Degree.
Overpay that directional aerial is not identical, the angle between any two pairs of neighboring directional antennas is not more than two pairs of directional aerial masters
The average value of beam angle.
The monitoring receiving device refers to single pass fluorescence spectrum radio receiver or fluorescence spectrum instrument；The monitoring
The quantity of receiving device and the quantity of directional aerial are identical, and one pair of directional aerial is correspondingly connected on a monitoring receiving device.
The monitoring receiving device refers to fluorescence spectrum radio receiver or fluorescence with multiple monitoring receiving channels
Frequency spectrograph；The quantity of the monitoring receiving channel of the monitoring receiving device is identical as the quantity of directional aerial, one pair of directional aerial
It is correspondingly connected in a monitoring receiving channel.
The optimization of multichannel is than width fluorescence spectrum wireless direction finding method, it is characterised in that:
By at least Third Mate's known direction feature and order to directional aerial, receive radio signal；
Correspondence is received simultaneously by multiple monitoring receiving channels of multiple monitoring receiving devices or a monitoring receiving device
The radio signal that directional aerial receives, and the amplitude-frequency characteristic of the radio signal received is handled as fluorescence spectrum number
According to；
The fluorescence spectrum data that measure of monitoring receiving device are received by microprocessor and are analyzed, and different direction is obtained
The measured signal intensity of specific frequency and specific instant probability on angle；
Optimization modeling is carried out in the microprocessor, using radio signal azimuth as decision variable, with different orientations
Deviation tires out between upper measured signal intensity and the signal strength calculated according to the direction character of the directional aerial on the azimuth
Accumulated amount is objective function, is established without constraint Nonlinear programming Model；
Calculating is optimized by microprocessor, the signal arrival bearing of specific instant probability in specific frequency is solved, makes
Obtaining the smallest aspect angle of deviation cumulant is signal arrival bearing.
It is described without constraint Nonlinear programming Model be LEAST SQUARES MODELS FITTING or minimum distance method model.
The minimum distance method model includes minimum manhatton distance model, minimum euclidean distance model or minimum Qie Bixue
Husband's distance model.
Compared with prior art, technical effect beneficial brought by the present invention is shown:
1, optimization of the invention is than width fluorescence spectrum radio direction-finding system, by using overpay known direction feature and
Order to directional aerial receive radio signal, in the prior art only with common directional aerial compared with, effect
Show: the directional aerial of known direction feature can satisfy the optimization computation in subsequent step, by directional aerial
The signal strength for knowing that direction character calculates is compared with measured signal intensity；And use can with order to directional aerial can
Guarantee that directional aerial receives the stability of radio signal on an antenna azimuth, guarantees the accuracy of subsequent direction finding.
2, optimization of the invention is than width fluorescence spectrum radio direction-finding system, monitors receiving device using can will
The amplitude-frequency characteristic processing of the radio signal received is the monitoring receiving device of fluorescence spectrum data, with the prior art using normal
The monitoring receiving device of rule is compared, and effect is shown: the amplitude-frequency characteristic of radio signal is handled as fluorescence spectrum data, it can
To guarantee the sensitivity of direction-finding system, the measured signal intensity of specific frequency can be obtained, ensure that the accuracy of direction-finding system.
3, the microprocessor in the present invention, the data measured for receiving, recording and handling monitoring receiving device, analysis are special
Determine the signal strength in frequency.
4, direction-finding system disclosed by the invention has the excellent of maximum-signal method, minimum signal method and existing amplitude comparison method concurrently
Point takes full advantage of all directional characteristics of directional aerial, and direction finder sensitivity is high, and bearing accuracy is also high, and to component
Coherence request is not high；There is provided data supporting for optimization computation, can not only real-time direction finding, also can using storage data
Subsequent direction finding.
5, the present invention also provides a kind of optimizations of multichannel than width fluorescence spectrum wireless direction finding method, and the present invention is public
The direction-finding method opened can achieve real-time direction finding, and direction-finding method of the invention has maximum-signal method, minimum signal method concurrently and has
The advantages of amplitude comparison method, takes full advantage of all directional characteristics of directional aerial, and direction finder sensitivity is high, bearing accuracy
Height, and it is not high to the coherence request of component；There is provided data supporting for optimization computation, can not only real-time direction finding, also can
Enough subsequent direction findings of data using storage.
6, direction-finding method of the invention, using aspect angle as decision variable, with the reality of specific frequency in different orientations
The cumulant for surveying deviation between signal strength and the signal strength calculated according to the antenna performance of directional aerial is objective function, is built
It stands without constraint Nonlinear programming Model；And optimization computation is carried out by microprocessor, solve the signal incoming wave in specific frequency
Direction realizes the real-time survey of radio signal so that the smallest aspect angle of deviation cumulant is signal arrival bearing
To the effect of the method for the present invention is shown compared with prior art: the pioneering fixed antenna radio using digital phosphor frequency spectrum
Direction finding solves the quick direction finding problem of transient signal and homogenous frequency signal.Traditional fixed antenna wireless direction finding method, including
Amplitude comparison method, phase method, Doppler method, time difference method and Estimation of Spatial Spectrum method etc., are realized using electronic circuit, can not be utilized
Digital phosphor frequency spectrum data also just cannot achieve fixed antenna direction-finding station.Direction-finding method of the invention, in the microprocessor
Direction finding operation is carried out with optimal method, so can be realized the fixed antenna direction-finding station using digital phosphor frequency spectrum.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram；
Fig. 2 is the system structure diagram of the embodiment of the present invention 2.
Specific embodiment
Embodiment 1
As a preferred embodiment of the present invention, referring to Figure of description 1, present embodiment discloses:
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, comprising:
Third Mate's known direction feature and order to directional aerial；
It is identical with directional aerial quantity and will be received for receiving the radio signal that directional aerial receives, and respectively
The amplitude-frequency characteristic processing of the radio signal arrived is the monitoring receiving device of fluorescence spectrum data；
The quantity of the monitoring receiving device is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected at one
It monitors on receiving device.
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carried out wireless
Electrical measurement to microprocessor.
Embodiment 2
As another preferred embodiment of the present invention, referring to Figure of description 2, present embodiment discloses:
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, comprising:
Four pairs of known direction features and order to directional aerial；
The radio signal received for receiving directional aerial, and it is respectively that the amplitude-frequency of the radio signal received is special
Sign processing is the monitoring receiving device of fluorescence spectrum data；
Monitoring receiving device refers to the fluorescence spectrum radio receiver either fluorescence with multiple monitoring receiving channels
Frequency spectrograph；The quantity of the monitoring receiving channel of the monitoring receiving device is identical as the quantity of directional aerial, one pair of directional aerial
It is correspondingly connected in a monitoring receiving channel.
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carried out wireless
Electrical measurement to microprocessor.
Embodiment 3
As another preferred embodiment of the present invention, referring to Figure of description 1, present embodiment discloses:
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, comprising:
Third Mate's known direction feature and order to directional aerial；
It is identical with directional aerial quantity and will be received for receiving the radio signal that directional aerial receives, and respectively
The amplitude-frequency characteristic processing of the radio signal arrived is the monitoring receiving device of fluorescence spectrum data；
The quantity of the monitoring receiving device is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected at one
It monitors on receiving device.
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carried out wireless
Electrical measurement to microprocessor；
The monitoring receiving device and microprocessor establish two-way communication link；
The directional aerial is log-periodic antenna, yagi aerial, electromagnetic horn, double-ridged horn antenna and compound loop antenna
One of or a variety of combinations.Overpaying directional aerial in the present embodiment can be entirely log-periodic antenna or whole
It is all yagi aerial or entirely electromagnetic horn or entirely double-ridged horn antenna or entirely complex loop day
Line；It is also possible to overpay directional aerial and different types of antenna is respectively adopted.
Embodiment 4
As another preferred embodiment of the present invention, present embodiment discloses:
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, comprising:
Five pairs of known direction features and order to directional aerial；
It is identical with directional aerial quantity and will be received for receiving the radio signal that directional aerial receives, and respectively
The amplitude-frequency characteristic processing of the radio signal arrived is the monitoring receiving device of fluorescence spectrum data；
The quantity of the monitoring receiving device is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected at one
It monitors on receiving device.
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carried out wireless
Electrical measurement to microprocessor；
The monitoring receiving device and microprocessor establish two-way communication link；
The directional aerial is log-periodic antenna, yagi aerial, electromagnetic horn, double-ridged horn antenna and compound loop antenna
One of.Overpaying directional aerial in the present embodiment can be entirely log-periodic antenna or entirely yagi aerial
Either entirely electromagnetic horn or entirely double-ridged horn antenna or entirely compound loop antenna；Overpay orientation day
Line is all the same, and the angle between any two pairs of directional aerials is not more than the main beam width of directional aerial；
In the present embodiment, it is also possible to overpay directional aerial and different types of antenna is respectively adopted, overpays directional aerial
Not identical, the angle between any two pairs of neighboring directional antennas is not more than the average value of two pairs of directional aerial main beam widths.?
Antenna number need to meet N >=CEIL(360/S in the present embodiment), and N >=3, it will be able to accurate direction finding, S indicate antenna main beam
Width.
Embodiment 5
The optimization of multichannel is than width fluorescence spectrum radio direction-finding system, comprising:
At least Third Mate's known direction feature and order to directional aerial；
It is identical with directional aerial quantity and will be received for receiving the radio signal that directional aerial receives, and respectively
The amplitude-frequency characteristic processing of the radio signal arrived is the monitoring receiving device of fluorescence spectrum；
The quantity of the monitoring receiving device is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected at one
It monitors on receiving device.
Monitoring receiving device refers to single pass fluorescence spectrum radio receiver either fluorescence spectrum instrument；The monitoring
The quantity of receiving device and the quantity of directional aerial are identical, and one pair of directional aerial is correspondingly connected on a monitoring receiving device.
For connecting with monitoring receiving device, and the fluorescence spectrum that monitoring receiving device measures is handled, carries out wireless electrical measurement
To microprocessor；
The monitoring receiving device and microprocessor establish two-way communication link；
The directional aerial is log-periodic antenna, yagi aerial, electromagnetic horn, double-ridged horn antenna and compound loop antenna
One of.Overpaying directional aerial in the present embodiment can be entirely log-periodic antenna or entirely yagi aerial
Either entirely electromagnetic horn or entirely double-ridged horn antenna or entirely compound loop antenna；Overpay orientation day
Line is all the same, and the angle between any two pairs of directional aerials is not more than the main beam width of directional aerial；
In the present embodiment, it is also possible to overpay directional aerial and different types of antenna is respectively adopted, overpays directional aerial
Not identical, the angle between any two pairs of neighboring directional antennas is not more than the average value of two pairs of directional aerial main beam widths.?
Antenna number need to meet N >=CEIL(360/S in the present embodiment), and N >=3, it will be able to accurate direction finding, S indicate antenna main beam
Width.
Embodiment 6
As another preferred embodiment of the present invention, present embodiment discloses:
The optimization of multichannel than width fluorescence spectrum wireless direction finding method, by least Third Mate's known direction feature and
Order to directional aerial, receive radio signal；
Correspondence is received simultaneously by multiple monitoring receiving channels of multiple monitoring receiving devices or a monitoring receiving device
The radio signal that directional aerial receives, and the amplitude-frequency characteristic of the radio signal received is handled as fluorescence spectrum number
According to；
The fluorescence spectrum data that measure of monitoring receiving device are received by microprocessor and are analyzed, and different direction is obtained
The measured signal intensity of specific frequency and specific instant probability on angle；
Optimization modeling is carried out in the microprocessor, using radio signal azimuth as decision variable, with different orientations
Deviation tires out between upper measured signal intensity and the signal strength calculated according to the direction character of the directional aerial on the azimuth
Accumulated amount is objective function, is established without constraint Nonlinear programming Model；
Calculating is optimized by microprocessor, the signal arrival bearing of specific instant probability in specific frequency is solved, makes
Obtaining the smallest aspect angle of deviation cumulant is signal arrival bearing.
Embodiment 7
As another preferred embodiment of the present invention, present embodiment discloses:
The optimization of multichannel than width fluorescence spectrum wireless direction finding method, by least Third Mate's known direction feature and
Order to directional aerial, receive radio signal；
Correspondence is received simultaneously by multiple monitoring receiving channels of multiple monitoring receiving devices or a monitoring receiving device
The radio signal that directional aerial receives, and the amplitude-frequency characteristic of the radio signal received is handled as fluorescence spectrum number
According to；
The fluorescence spectrum data that measure of monitoring receiving device are received by microprocessor and are analyzed, and different direction is obtained
The measured signal intensity of specific frequency and specific instant probability on angle；
Optimization modeling is carried out in the microprocessor, using radio signal azimuth as decision variable, with different orientations
Deviation tires out between upper measured signal intensity and the signal strength calculated according to the direction character of the directional aerial on the azimuth
Accumulated amount is objective function, is established without constraint Nonlinear programming Model；
In the present embodiment, foundation without constraint Nonlinear programming Model, can be by least square method establish most
Small square law model is also possible to the minimum distance method model established by minimum distance method；Mould is established by minimum distance method
When type, minimum manhatton distance model can also be established, also can establish minimum euclidean distance model, minimum can also be established and cut
Than avenging husband's distance model；
Calculating is optimized by microprocessor, the signal arrival bearing of specific instant probability in specific frequency is solved, makes
Obtaining the smallest aspect angle of deviation cumulant is signal arrival bearing.
Claims (8)
1. the optimization of multichannel is than width fluorescence spectrum wireless direction finding method, it is characterised in that:
Include: at least Third Mate's known direction feature and order to directional aerial；
It is identical with directional aerial quantity and for receiving the radio signal that directional aerial receives, and will receive respectively
The amplitude-frequency characteristic processing of radio signal is the monitoring receiving channel of the monitoring receiving device of fluorescence spectrum data；
For connecting with monitoring receiving device, and the fluorescence spectrum data that monitoring receiving device measures are handled, carries out wireless electrical measurement
To microprocessor；
By at least Third Mate's known direction feature and order to directional aerial, receive radio signal；
Corresponding orientation is received simultaneously by multiple monitoring receiving channels of multiple monitoring receiving devices or a monitoring receiving device
The radio signal that antenna receives, and the amplitude-frequency characteristic of the radio signal received is handled as fluorescence spectrum data；
The fluorescence spectrum data that measure of monitoring receiving device are received by microprocessor and are analyzed, and are obtained in different orientations
The measured signal intensity of specific frequency and specific instant probability；
Optimization modeling is carried out in the microprocessor, using radio signal azimuth as decision variable, with real in different orientations
Survey signal strength and the cumulant according to deviation between the signal strength of the direction character of the directional aerial on azimuth reckoning
For objective function, establish without constraint Nonlinear programming Model；
Calculating is optimized by microprocessor, the signal arrival bearing of specific instant probability in specific frequency is solved, so that partially
The poor the smallest aspect angle of cumulant is signal arrival bearing.
2. the optimization of multichannel as described in claim 1 is than width fluorescence spectrum wireless direction finding method, it is characterised in that:
The directional aerial is one of log-periodic antenna, yagi aerial, electromagnetic horn, double-ridged horn antenna and compound loop antenna
Or a variety of combination.
3. the optimization of multichannel as claimed in claim 2 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: more
Pay that directional aerial is all the same, angle between any two pairs of directional aerials is not more than the main beam width of directional aerial.
4. the optimization of multichannel as claimed in claim 2 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: more
Pay that directional aerial is not identical, angle between any two pairs of neighboring directional antennas is no more than two pairs of directional aerial main beam widths
Average value.
5. the optimization of multichannel as described in claim 1 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: institute
It states monitoring receiving device and refers to single pass fluorescence spectrum radio receiver or fluorescence spectrum instrument；The monitoring receiving device
Quantity is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected on a monitoring receiving device.
6. the optimization of multichannel as described in claim 1 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: institute
It states monitoring receiving device and refers to fluorescence spectrum radio receiver or fluorescence spectrum instrument with multiple monitoring receiving channels；It is described
The quantity for monitoring the monitoring receiving channel of receiving device is identical as the quantity of directional aerial, and one pair of directional aerial is correspondingly connected with one
In a monitoring receiving channel.
7. the optimization of multichannel as described in claim 1 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: institute
Stating without constraint Nonlinear programming Model is LEAST SQUARES MODELS FITTING or minimum distance method model.
8. the optimization of multichannel as claimed in claim 7 is than width fluorescence spectrum wireless direction finding method, it is characterised in that: institute
Stating minimum distance method model includes minimum manhatton distance model, minimum euclidean distance model or minimum Chebyshev apart from mould
Type.
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| CN111029795B (en) * | 2019-12-31 | 2021-08-06 | 江苏恒达微波技术开发有限公司 | Direction-finding antenna and direction-finding antenna system |
| CN111929668B (en) * | 2020-06-30 | 2023-09-19 | 华诺星空技术股份有限公司 | Ranging method and system for radio detection based on quantization interval statistics |
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