CN112462335A - Multifunctional 3D radar transceiver and operation method - Google Patents

Multifunctional 3D radar transceiver and operation method Download PDF

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CN112462335A
CN112462335A CN202110100145.9A CN202110100145A CN112462335A CN 112462335 A CN112462335 A CN 112462335A CN 202110100145 A CN202110100145 A CN 202110100145A CN 112462335 A CN112462335 A CN 112462335A
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鄢家厚
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Sichuan Shuzheng Intelligent Technology Co ltd
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    • GPHYSICS
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    • G01S7/292Extracting wanted echo-signals
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Abstract

The invention provides a multifunctional 3D radar transceiver and an operation method thereof, wherein the transceiver comprises the following steps: acquiring a transmitting and receiving signal of the multifunctional 3D radar transceiver, and performing fast Fourier transform processing on the transmitting and receiving signal to acquire a signal processing result; acquiring radar information of the transceiving signal based on the signal processing result; carrying out information coding on the radar information, and generating a control instruction based on the information coding; controlling the operation of the multifunctional 3D radar transceiver according to the control instruction; through multi-functional 3D radar transceiver, acquire corresponding receiving and dispatching signal to signal processing accurately acquires control command, realizes the accurate control to multi-functional 3D radar transceiver function.

Description

Multifunctional 3D radar transceiver and operation method
Technical Field
The invention relates to the technical field of radar signal processing, in particular to a multifunctional 3D radar transceiver and an operation method.
Background
At present, data acquisition system has extensive range of application, and in radar system, gather and handle radar echo signal through 3D radar transceiver, and in practical application, 3D radar transceiver need be under different environments, handles radar echo signal in clutter such as different interference and noise promptly.
However, when the existing radar transceiver is used, the received radar signals are processed inaccurately, and the generated control command has deviation, so that inevitable hidden dangers appear in the practical use of the 3D radar transceiver, and therefore, the invention provides the multifunctional 3D radar transceiver and the operation method thereof.
Disclosure of Invention
The invention provides a multifunctional 3D radar transceiver and an operation method thereof, which are used for acquiring corresponding transceiving signals based on the 3D radar transceiver, processing the signals and accurately acquiring control instructions to complete the control of the operation of the radar transceiver.
The invention provides an operation method of a multifunctional 3D radar transceiver, which comprises the following steps:
acquiring a transmitting and receiving signal of the multifunctional 3D radar transceiver, and performing fast Fourier transform processing on the transmitting and receiving signal to acquire a signal processing result;
acquiring radar information of the transceiving signal based on the signal processing result;
carrying out information coding on the radar information, and generating a control instruction based on the information coding;
and controlling the operation of the multifunctional 3D radar transceiver according to the control instruction.
Preferably, the operation method of the multifunctional 3D radar transceiver, which is a specific operation process of performing fast fourier transform processing on the transceiving signal, includes:
acquiring a signal sequence of a transmitting and receiving signal, and decomposing the signal sequence into a first part and a second part;
wherein the first part is an even part of the signal sequence and the second part is an odd part of the signal sequence;
calculating the signal sequence of the first part according to a Fourier transform algorithm to obtain a first result, and calculating the signal sequence of the second part according to the Fourier transform algorithm to obtain a second result;
and synthesizing the first result and the second result, wherein the synthesized result is a signal processing result of the transmitting and receiving signal for performing fast Fourier transform processing.
Preferably, the method for operating a multifunctional 3D radar transceiver, which encodes the radar information, includes:
sampling the radar information based on a preset frequency, and discretizing the sampled radar information on a time axis;
quantizing the discretized radar information to obtain the amplitude of the quantized radar information, and converting each radar information with continuous value in the amplitude into a discrete value;
and coding the radar information based on the discrete value to obtain a final information code.
Preferably, the method for operating a multifunctional 3D radar transceiver, the specific step of sampling the radar information, includes:
acquiring an information value of the radar information;
performing first sampling processing on the information value of the radar information according to the preset frequency through a preset first sampling algorithm, and acquiring first sampling information data;
acquiring the data length of the first sampling information data, and comparing the data length with the standard data length required by a preset second sampling algorithm;
if the data length is smaller than the standard data length, adding the related data of the first sampling information until the data length meets the standard data length;
performing second sampling processing on the processed first sampling information data through the preset frequency through the second sampling algorithm to obtain second sampling information data, wherein the second sampling information data are sampling results of the radar information;
wherein the first sampling algorithm is different from the second sampling algorithm.
Preferably, an operation method of the multifunctional 3D radar transceiver adds the relevant data of the first sampling information, and the specific operation steps include:
carrying out field analysis on the first sampling information, and extracting multiple items of effective field information of the first sampling information;
meanwhile, corresponding source mapping type codes are sequentially added to the multiple items of valid field information;
establishing a mapping relation between the source mapping type code and an information data source in a preset external data information base;
acquiring the associated data in the mapping relation, marking the associated data and constructing an associated data set;
matching the valid field information with the associated data sets in sequence;
and when the preset external data information base contains the effective field information, adding the data in the preset external data information base mapped by the effective field information into the first sampling information data.
Preferably, the operating method of the multifunctional 3D radar transceiver, after acquiring the transceiving signal of the multifunctional 3D radar transceiver, further includes:
reading echo baseband signals of all sub-pulses in the multi-functional 3D radar transceiver receiving and transmitting signals, and acquiring radar parameters of the multi-functional 3D radar transceiver;
performing phase compensation on the echo baseband signals of the sub-pulses by using the radar parameters;
performing data matching and filtering on the baseband echo signals of the sub-pulses after phase compensation and the respective baseband sequences through preset matching character strings, and meanwhile, filtering out data which are not matched;
acquiring a frequency domain signal of the filtered sub-pulse;
acquiring a covariance matrix of the frequency domain signal of the sub-pulse based on the filtering amplitude of the frequency domain signal of the sub-pulse;
meanwhile, constructing a dimension reduction transformation model based on the covariance matrix;
carrying out dimension reduction self-adaptive processing on the frequency domain signals of the sub-pulses according to the dimension reduction transformation model;
meanwhile, carrying out frequency spectrum shifting on the frequency domain signals of the sub-pulses when the sub-pulses are in high impedance and low impedance, wherein the average reflection coefficient of the frequency domain signals of the sub-pulses in a period is 0;
performing overlap removal operation on the frequency domain signals of the sub-pulses after the frequency spectrum shifting, wherein the frequency shift amount of the frequency spectrum shifting is equal to the frequency interval of a local oscillator frequency source;
and carrying out coherent superposition on the frequency domain signals of the sub-pulses after the superposition is removed, and obtaining and synthesizing a large broadband signal of the 3D radar transceiver for receiving and transmitting signals.
Preferably, before performing the overlap removing operation on the frequency domain signal of the sub-pulse after the frequency spectrum shifting, the method for operating a multifunctional 3D radar transceiver further includes:
judging whether the frequency domain signals of the sub-pulses are overlapped, wherein the specific judgment process comprises the following steps:
acquiring pulse data corresponding to the frequency domain signals of the sub-pulses, and acquiring all binary coding sequences of the pulse data;
meanwhile, the binary code sequences are sequenced according to the size of the occupied space ratio of the pulse data;
distributing all the sorted binary coding sequences to a preset number of parallel threads under the condition that the pulse data processed by each thread are equal in size;
acquiring a subsequence of the binary coding sequence based on each thread, and establishing an index structure for the subsequence according to a preset relation;
performing overlap detection on the binary coding sequence based on the indexing structure;
and if the same coding sequence appears in the index structure in the binary coding sequence, judging that the frequency domain signals of the sub-pulses are overlapped.
Preferably, the method for operating a multifunctional 3D radar transceiver further includes:
before controlling the operation of the multifunctional 3D radar transceiver, constructing a position function of the multifunctional 3D radar transceiver according to the current angle and height of the multifunctional 3D radar transceiver, and calculating an operation comprehensive value of the multifunctional 3D radar transceiver according to the position function, wherein the specific working process comprises the following steps:
determining the angle of the multifunctional 3D radar transceiver at present according to a radar signal sent or received by the multifunctional 3D radar transceiver;
determining the actual height of the multifunctional 3D radar transceiver at present according to the angle and the height of the multifunctional 3D radar transceiver;
constructing a position function of the multifunctional 3D radar transceiver based on the angle and the actual height of the multifunctional 3D radar transceiver;
Figure 601345DEST_PATH_IMAGE001
wherein,
Figure 721748DEST_PATH_IMAGE002
representing a position function of the multifunctional 3D radar transceiver,
Figure 421193DEST_PATH_IMAGE003
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 19665DEST_PATH_IMAGE004
representing the angle at which the multifunctional 3D radar transceiver is currently located,
Figure 568458DEST_PATH_IMAGE005
representing the actual height of the multifunctional 3D radar transceiver at present,
Figure 859762DEST_PATH_IMAGE006
represents the power required by the multifunctional 3D radar transceiver to receive or transmit a signal,
Figure 359751DEST_PATH_IMAGE007
representing the work done by the multifunctional 3D radar transceiver to receive or transmit signals,
Figure 27493DEST_PATH_IMAGE008
representing the height of the multifunctional 3D radar transceiver itself,
Figure 165213DEST_PATH_IMAGE009
representing an initial angle of the multifunctional 3D radar transceiver,
Figure 627419DEST_PATH_IMAGE010
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
determining an operational composite value of the multifunctional 3D radar transceiver based on a position function of the multifunctional 3D radar transceiver and a strength of a signal received or transmitted by the multifunctional 3D radar transceiver;
Figure 850590DEST_PATH_IMAGE011
wherein,
Figure 322022DEST_PATH_IMAGE012
represents an operational composite value of the multifunctional 3D radar transceiver,
Figure 579828DEST_PATH_IMAGE002
representing a position function of the multifunctional 3D radar transceiver,
Figure 744093DEST_PATH_IMAGE013
representing the strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 454560DEST_PATH_IMAGE014
representing the signal repetition frequency of the multifunctional 3D radar transceiver upon signal modulation,
Figure 464105DEST_PATH_IMAGE015
representing the operating frequency of the multifunctional 3D radar transceiver,
Figure 841996DEST_PATH_IMAGE016
representing the operating bandwidth of the multifunctional 3D radar transceiver,
Figure 413048DEST_PATH_IMAGE017
representing a desired strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 610812DEST_PATH_IMAGE018
which represents the pulse width of the signal and,
Figure 424047DEST_PATH_IMAGE003
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 656445DEST_PATH_IMAGE010
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
and controlling the multifunctional 3D radar transceiver to transmit and receive signals based on the operation comprehensive value of the multifunctional 3D radar transceiver.
Preferably, an operation method of the multifunctional 3D radar transceiver is a process of discretizing the radar information on a time axis, and includes:
acquiring the radar information, and taking the value of the specified quantity in the radar information as an initial quantile point to obtain an initial quantile point set;
the quantiles in the initial quantile point set respectively correspond to corresponding characteristic value data, the characteristic value data corresponding to the quantiles are subjected to dispersion on a time axis through a preset algorithm to generate a discrete data set, and the information entropy of the discrete data set is calculated;
the discrete data set comprises Z data intervals;
calculating the data loss rate of the data interval through the preset algorithm, and calculating the entropy loss rate according to the information entropy of the discrete data set;
if the data loss rate of the data interval is less than or equal to the entropy loss rate, determining the initial quantile as a target quantile;
and according to the target quantile points, carrying out interval division on the radar information to obtain discretization data of the radar information on a time axis.
Preferably, the operation method of the multifunctional 3D radar transceiver is implemented by controlling a control circuit in the multifunctional 3D radar transceiver when controlling the operation of the multifunctional 3D radar transceiver;
the control circuit includes: the circuit comprises a comparator A1, a triode J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a power supply U1;
the non-inverting input end of the comparator A1 is used for inputting control voltage and detection signals, and is connected with one end of a capacitor C1, the inverting input end of the comparator A1 is respectively connected with one end of the resistor R1, one end of the resistor R2 and the other end of the capacitor C1, and the other end of the resistor R1 is connected with the power supply U1;
the base electrode of the triode J1 is connected with the output end of the comparator A1, the emitter electrode of the triode J1 is connected with the other end of the resistor R2, one end of the resistor R2 is connected with one end of the resistor R4, the other end of the resistor R4 is connected with the ground, the collector electrode of the triode J1 is connected with one end of the resistor R3, and the power supply U1 is connected with the other end of the resistor R3.
Preferably, a multifunctional 3D radar transceiver comprises:
the signal acquisition device is used for acquiring a signal to be processed and extracting radar information of the signal to be processed;
the information processing device is used for carrying out information coding on the radar information and generating a control instruction;
and the control device is used for carrying out operation control according to the control instruction.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart illustrating an operation method of a multifunctional 3D radar transceiver according to an embodiment of the present invention;
fig. 2 is a control circuit diagram of an operating method of a multifunctional 3D radar transceiver according to an embodiment of the present invention;
fig. 3 is a structural diagram of a multifunctional 3D radar transceiver according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The present invention provides the following examples.
Example 1:
the invention provides an operation method of a multifunctional 3D radar transceiver, as shown in FIG. 1, comprising:
acquiring a transmitting and receiving signal of the multifunctional 3D radar transceiver, and performing fast Fourier transform processing on the transmitting and receiving signal to acquire a signal processing result;
acquiring radar information of the transceiving signal based on the signal processing result;
carrying out information coding on the radar information, and generating a control instruction based on the information coding;
and controlling the operation of the multifunctional 3D radar transceiver according to the control instruction.
In this embodiment, the transceiving signal is specifically a radar echo signal.
In this embodiment, the type of information encoding may be a range code, a sequence code, or a mnemonic code.
The beneficial effects of the above technical scheme are: through multi-functional 3D radar transceiver, acquire corresponding receiving and dispatching signal to signal processing accurately acquires control command, realizes the accurate control to multi-functional 3D radar transceiver function.
Example 2:
on the basis of embodiment 1, the present invention provides an operating method of a multifunctional 3D radar transceiver, which performs a specific working process of fast fourier transform processing on the transmission/reception signal, including:
acquiring a signal sequence of a transmitting and receiving signal, and decomposing the signal sequence into a first part and a second part;
wherein the first part is an even part of the signal sequence and the second part is an odd part of the signal sequence;
calculating the signal sequence of the first part according to a Fourier transform algorithm to obtain a first result, and calculating the signal sequence of the second part according to the Fourier transform algorithm to obtain a second result;
and synthesizing the first result and the second result, wherein the synthesized result is a signal processing result of the transmitting and receiving signal for performing fast Fourier transform processing.
The beneficial effects of the above technical scheme are:
through fast Fourier transform, time is saved, an obtained signal processing result is more accurate, and the efficiency of signal processing is improved.
Example 3:
on the basis of embodiment 1, the present invention provides an operating method of a multifunctional 3D radar transceiver, which performs an information encoding process on radar information, and includes:
sampling the radar information based on a preset frequency, and discretizing the sampled radar information on a time axis;
quantizing the discretized radar information to obtain the amplitude of the quantized radar information, and converting each radar information with continuous value in the amplitude into a discrete value;
and coding the radar information based on the discrete value to obtain a final information code.
In this embodiment, the predetermined frequency may be greater than twice the frequency of the radar transmission signal.
In this embodiment, the quantization is to convert the radar information into a discrete point set after the discrete, and the size of the discrete point set is limited.
The beneficial effects of the above technical scheme are: through the sampling to radar information, be favorable to carrying out the dispersion on the time axis to the quantization is favorable to improving the integration of discrete data, through the amplitude that acquires radar information, thereby the discrete value of accurate definite radar information.
Example 4:
on the basis of embodiment 3, the present invention provides an operating method of a multifunctional 3D radar transceiver, which specifically includes the steps of:
acquiring an information value of the radar information;
performing first sampling processing on the information value of the radar information according to the preset frequency through a preset first sampling algorithm, and acquiring first sampling information data;
acquiring the data length of the first sampling information data, and comparing the data length with the standard data length required by a preset second sampling algorithm;
if the data length is smaller than the standard data length, adding the related data of the first sampling information until the data length meets the standard data length;
performing second sampling processing on the processed first sampling information data through the preset frequency through the second sampling algorithm to obtain second sampling information data, wherein the second sampling information data are sampling results of the radar information;
wherein the first sampling algorithm is different from the second sampling algorithm.
In this embodiment, the first sampling algorithm may be a gaussian sampling algorithm.
In this embodiment, the second sampling algorithm may be an alternating current sampling algorithm.
In this embodiment, the range of the standard data length is
Figure 162513DEST_PATH_IMAGE019
In this embodiment, the correlation data may be data matched with the first sampling information, such as amplitude, pulse, carrier frequency, chirp rate, and the like.
The beneficial effects of the above technical scheme are: the first sampling algorithm is used for carrying out first data sampling on the information value of the radar information, and the second sampling algorithm is used for accurately collecting first sampling data, so that the data processing efficiency is improved conveniently.
Example 5:
on the basis of embodiment 4, the present invention provides an operating method of a multifunctional 3D radar transceiver, in which relevant data of the first sampling information is added, and the specific working steps include:
carrying out field analysis on the first sampling information, and extracting multiple items of effective field information of the first sampling information;
meanwhile, corresponding source mapping type codes are sequentially added to the multiple items of valid field information;
establishing a mapping relation between the source mapping type code and an information data source in a preset external data information base;
acquiring the associated data in the mapping relation, marking the associated data and constructing an associated data set;
matching the valid field information with the associated data sets in sequence;
and when the preset external data information base contains the effective field information, adding the data in the preset external data information base mapped by the effective field information into the first sampling information data.
In this embodiment, the valid field information may be valid information based on the first sampling information, such as a waveform length of the radar-related information.
In this embodiment, the source map may be a data format that stores a location mapping relationship between the source code and the generated code, and the encoding type may be a MIME type.
In this embodiment, the mapping relationship may be one-to-one, one-to-many, many-to-one.
In this embodiment, the associated data refers to data after mapping is established, such as data related to valid field information.
The beneficial effects of the above technical scheme are: the field analysis is carried out on the first sampling information to accurately obtain the effective field information, and the effective field information is added into the corresponding source mapping type code, so that the mapping relation between the effective field information and the information data source in the external data information base can be effectively obtained, the information data source in the external data information base can be added into the first sampling information data, and the standard data length can be conveniently met.
Example 6:
on the basis of embodiment 1, the present invention provides an operating method of a multifunctional 3D radar transceiver, after acquiring a transmission/reception signal of the multifunctional 3D radar transceiver, the method further includes:
reading echo baseband signals of all sub-pulses in the multi-functional 3D radar transceiver receiving and transmitting signals, and acquiring radar parameters of the multi-functional 3D radar transceiver;
performing phase compensation on the echo baseband signals of the sub-pulses by using the radar parameters;
performing data matching and filtering on the baseband echo signals of the sub-pulses after phase compensation and the respective baseband sequences through preset matching character strings, and meanwhile, filtering out data which are not matched;
acquiring a frequency domain signal of the filtered sub-pulse;
acquiring a covariance matrix of the frequency domain signal of the sub-pulse based on the filtering amplitude of the frequency domain signal of the sub-pulse;
meanwhile, constructing a dimension reduction transformation model based on the covariance matrix;
carrying out dimension reduction self-adaptive processing on the frequency domain signals of the sub-pulses according to the dimension reduction transformation model;
meanwhile, carrying out frequency spectrum shifting on the frequency domain signals of the sub-pulses when the sub-pulses are in high impedance and low impedance, wherein the average reflection coefficient of the frequency domain signals of the sub-pulses in a period is 0;
performing overlap removal operation on the frequency domain signals of the sub-pulses after the frequency spectrum shifting, wherein the frequency shift amount of the frequency spectrum shifting is equal to the frequency interval of a local oscillator frequency source;
and carrying out coherent superposition on the frequency domain signals of the sub-pulses after the superposition is removed, and obtaining and synthesizing a large broadband signal of the 3D radar transceiver for receiving and transmitting signals.
In this embodiment, the phase compensation is performed on the echo baseband signal to eliminate the effect of the too high frequency on the echo baseband signal, wherein the phase compensation may be performed by using a synchronous phase compensation method.
In this embodiment, the matching character string is for matching the baseband echo signal with the baseband sequence, where the type of the matching character string may be int type, float type, or the like.
In this embodiment, the data that is not matched is filtered out, so as to eliminate interference data, and further determine the frequency domain signal of the sub-pulse.
In this embodiment, the dimension reduction transformation model is determined only by the covariance matrix, so as to better perform the dimension reduction processing on the frequency domain signal of the sub-pulse.
In the embodiment, the frequency domain signal of the sub-pulse is subjected to frequency spectrum shifting, is based on a high-impedance and low-impedance signal, and is convenient for the multifunctional 3D radar transceiver to send or realize frequency division multiplexing of different systems of different signal sources;
for example, two different frequencies at high impedance may be used
Figure 847572DEST_PATH_IMAGE020
And
Figure 464498DEST_PATH_IMAGE021
signal, spectrum shift acquisition sum frequency
Figure 551403DEST_PATH_IMAGE022
A signal; according to two different frequencies at low impedance
Figure 228372DEST_PATH_IMAGE023
And
Figure 400727DEST_PATH_IMAGE024
signal, spectrum shift to obtain difference frequency
Figure 555765DEST_PATH_IMAGE025
A signal.
In this embodiment, the frequency domain signal of the sub-pulse is subjected to the overlap removal operation by the frequency shift amount of the local frequency source and the frequency spectrum shift with equal frequency intervals, so as to reduce the signal processing time, wherein the frequency stability of the local frequency should be at 25 ℃: within plus or minus 1 MHz.
In this embodiment, the coherent superposition of the frequency domain signals is to obtain a large wideband signal of the 3D radar transceiver, wherein the coherent superposition is based on data within a specific time window.
The beneficial effects of the above technical scheme are: echo baseband signal through the sub-pulse who obtains 3D radar transceiver to be favorable to extracting the radar parameter, ensure to carry out phase compensation's accuracy, thereby obtain the frequency domain signal of sub-pulse, move, remove overlapping operation and coherent stack through the frequency spectrum to the frequency domain signal, thereby be convenient for obtain 3D radar transceiver's big broadband signal, be favorable to improving signal resolution.
Example 7:
on the basis of embodiment 6, the present invention provides an operating method of a multifunctional 3D radar transceiver, before performing a de-overlapping operation on the frequency domain signals of the sub-pulses after the frequency spectrum shifting, the method further includes:
judging whether the frequency domain signals of the sub-pulses are overlapped, wherein the specific judgment process comprises the following steps:
acquiring pulse data corresponding to the frequency domain signals of the sub-pulses, and acquiring all binary coding sequences of the pulse data;
meanwhile, the binary code sequences are sequenced according to the size of the occupied space ratio of the pulse data;
distributing all the sorted binary coding sequences to a preset number of parallel threads under the condition that the pulse data processed by each thread are equal in size;
acquiring a subsequence of the binary coding sequence based on each thread, and establishing an index structure for the subsequence according to a preset relation;
performing overlap detection on the binary coding sequence based on the indexing structure;
and if the same coding sequence appears in the index structure in the binary coding sequence, judging that the frequency domain signals of the sub-pulses are overlapped.
In this embodiment, the duty ratio of the pulse data may be determined according to the total space of the data nodes.
In this embodiment, the binary code sequence is obtained based on the pulse data, and the binary code sequence is sorted, for example, by: and acquiring the space ratio occupied by the data nodes of each pulse data, and sequencing the binary codes in the order from small to large of the space ratio.
In this embodiment, the preset relationship is a relationship established based on a hash value.
The beneficial effects of the above technical scheme are: by acquiring the pulse data corresponding to the frequency domain signals of the sub-pulses and carrying out binary coding, the binary coding sequence is subjected to overlap detection through the index structure, whether the frequency domain signals of the sub-pulses overlap or not is judged accurately, and the acquired data are more accurate.
Example 8:
on the basis of embodiment 1, the present invention provides an operating method of a multifunctional 3D radar transceiver, further comprising:
before controlling the operation of the multifunctional 3D radar transceiver, constructing a position function of the multifunctional 3D radar transceiver according to the current angle and height of the multifunctional 3D radar transceiver, and calculating an operation comprehensive value of the multifunctional 3D radar transceiver according to the position function, wherein the specific working process comprises the following steps:
determining the angle of the multifunctional 3D radar transceiver at present according to a radar signal sent or received by the multifunctional 3D radar transceiver;
determining the actual height of the multifunctional 3D radar transceiver at present according to the angle and the height of the multifunctional 3D radar transceiver;
constructing a position function of the multifunctional 3D radar transceiver based on the angle and the actual height of the multifunctional 3D radar transceiver;
Figure 762755DEST_PATH_IMAGE026
wherein,
Figure 610626DEST_PATH_IMAGE027
representing a position function of the multifunctional 3D radar transceiver,
Figure 270277DEST_PATH_IMAGE028
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 229006DEST_PATH_IMAGE029
representing the angle at which the multifunctional 3D radar transceiver is currently located,
Figure 523459DEST_PATH_IMAGE030
representing the actual height of the multifunctional 3D radar transceiver at present,
Figure 542230DEST_PATH_IMAGE031
represents the power required by the multifunctional 3D radar transceiver to receive or transmit a signal,
Figure 689178DEST_PATH_IMAGE032
representing the work done by the multifunctional 3D radar transceiver to receive or transmit signals,
Figure 451597DEST_PATH_IMAGE033
representing the height of the multifunctional 3D radar transceiver itself,
Figure 367601DEST_PATH_IMAGE034
representing an initial angle of the multifunctional 3D radar transceiver,
Figure 26115DEST_PATH_IMAGE035
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
determining an operational composite value of the multifunctional 3D radar transceiver based on a position function of the multifunctional 3D radar transceiver and a strength of a signal received or transmitted by the multifunctional 3D radar transceiver;
Figure 660359DEST_PATH_IMAGE036
wherein,
Figure 960890DEST_PATH_IMAGE037
represents an operational composite value of the multifunctional 3D radar transceiver,
Figure 996979DEST_PATH_IMAGE027
representing a position function of the multifunctional 3D radar transceiver,
Figure 91974DEST_PATH_IMAGE038
representing the strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 213514DEST_PATH_IMAGE039
representing the signal repetition frequency of the multifunctional 3D radar transceiver upon signal modulation,
Figure 317736DEST_PATH_IMAGE040
representing the operating frequency of the multifunctional 3D radar transceiver,
Figure 942753DEST_PATH_IMAGE041
representing the operating bandwidth of the multifunctional 3D radar transceiver,
Figure 474228DEST_PATH_IMAGE042
representing a desired strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 817485DEST_PATH_IMAGE018
which represents the pulse width of the signal and,
Figure 961284DEST_PATH_IMAGE028
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 706386DEST_PATH_IMAGE035
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
and controlling the multifunctional 3D radar transceiver to transmit and receive signals based on the operation comprehensive value of the multifunctional 3D radar transceiver.
In this embodiment, because the angle is adjusted for receiving or transmitting signals by the multifunctional 3D radar transceiver, the actual height of the current multifunctional 3D radar transceiver is determined by the height of the multifunctional 3D radar transceiver and the angle at which the 3D radar transceiver is located.
In this embodiment, the operation composite value may be an optimal parameter value of the signal received or transmitted by the 3D radar transceiver, which is mainly determined by parameters such as the strength of the received signal and the wavelength of the received signal.
The beneficial effects of the above technical scheme are: position function can be found through the angle of multi-functional 3D radar transceiver and the actual height of multi-functional 3D radar transceiver, be convenient for confirm the function integrated value of follow-up multi-functional 3D radar transceiver, through the analysis to the intensity and the position function of multi-functional 3D radar transceiver acceptance or transmission signal, be convenient for accurately acquire the function integrated value of multi-functional 3D radar transceiver, realize the accurate control to multi-functional 3D radar transceiver through the function integrated value, the intelligence and the high efficiency of improvement device.
Example 9:
on the basis of embodiment 3, the present invention provides an operating method of a multifunctional 3D radar transceiver, which performs a discretization process on radar information on a time axis, and includes:
acquiring the radar information, and taking the value of the specified quantity in the radar information as an initial quantile point to obtain an initial quantile point set;
the quantiles in the initial quantile point set respectively correspond to corresponding characteristic value data, the characteristic value data corresponding to the quantiles are subjected to dispersion on a time axis through a preset algorithm to generate a discrete data set, and the information entropy of the discrete data set is calculated;
the discrete data set comprises Z data intervals;
calculating the data loss rate of the data interval through the preset algorithm, and calculating the entropy loss rate according to the information entropy of the discrete data set;
if the data loss rate of the data interval is less than or equal to the entropy loss rate, determining the initial quantile as a target quantile;
and according to the target quantile points, carrying out interval division on the radar information to obtain discretization data of the radar information on a time axis.
In this embodiment, the initial quantiles are determined according to a specified number of radar information, for example, if the specified number is n, the initial quantile is determined to be from 1 to n initial quantiles.
In this embodiment, the preset algorithm is to perform discretization on the feature data, and the adopted preset algorithm is a discrete algorithm.
In this embodiment, the information entropy is to describe the degree of misordering of the discrete data set.
In this embodiment, the entropy loss rate is obtained based on the information entropy, and the entropy loss rate is obtained by subtracting the total information entropy of the discrete data from the actually calculated information entropy of the discrete data set and then obtaining a quotient with the total information entropy.
In this embodiment, the target quantile is obtained from the initial quantile based on a comparison of the entropy loss rate and the data loss rate, i.e., the initial quantile includes the target quantile.
The beneficial effects of the above technical scheme are: the initial quantile points of the radar information are obtained, and the target quantile points are obtained through the entropy loss rate and the data loss rate, so that the interval division of the radar information is facilitated, the discretization data of the radar information on a time axis can be accurately obtained, and the accurate application of the data is also realized.
Example 10:
on the basis of embodiment 1, the invention provides an operation method of a multifunctional 3D radar transceiver, as shown in fig. 2, when controlling the operation of the multifunctional 3D radar transceiver, the operation is realized by controlling a control circuit in the multifunctional 3D radar transceiver;
the control circuit includes: the circuit comprises a comparator A1, a triode J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a power supply U1;
the non-inverting input end of the comparator A1 is used for inputting control voltage and detection signals, and is connected with one end of a capacitor C1, the inverting input end of the comparator A1 is respectively connected with one end of the resistor R1, one end of the resistor R2 and the other end of the capacitor C1, and the other end of the resistor R1 is connected with the power supply U1;
the base electrode of the triode J1 is connected with the output end of the comparator A1, the emitter electrode of the triode J1 is connected with the other end of the resistor R2, one end of the resistor R2 is connected with one end of the resistor R4, the other end of the resistor R4 is connected with the ground, the collector electrode of the triode J1 is connected with one end of the resistor R3, and the power supply U1 is connected with the other end of the resistor R3.
In this embodiment, the resistance has a value range of
Figure 408763DEST_PATH_IMAGE043
The beneficial effects of the above technical scheme are: the control circuit has the advantages that the in-phase input port of the comparator A1 can receive input control voltage and detection signals, basic operation of the control circuit is achieved, the capacitor C1 is connected with the comparator A1, output voltage of the comparator A1 can be homogenized, load requirements are reduced, the resistor R1 is connected to ensure that current of a power supply is not too large, circuit protection is achieved, the triode J1 amplifies the control signals, control signals of the control circuit are more accurate, the resistor R3 and the resistor R4 conduct circuit protection on a collector and a power generation set of the triode J1 respectively, safe operation of the control circuit is guaranteed, the control circuit can accurately achieve accurate work of the multifunctional 3D radar transceiver, safety guarantee is provided, and use practicability is improved.
Example 11:
the present invention provides a multifunctional 3D radar transceiver, as shown in fig. 3, comprising:
the signal acquisition device is used for acquiring a signal to be processed and extracting radar information of the signal to be processed;
the information processing device is used for carrying out information coding on the radar information and generating a control instruction;
and the control device is used for carrying out operation control according to the control instruction.
The beneficial effects of the above technical scheme are: by acquiring the receiving and transmitting signals of the multifunctional 3D radar transceiver, radar information can be accurately extracted; through encoding radar information, convenient follow-up unblock and generate control command accomplish the operation to multi-functional 3D radar transceiver.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (11)

1. A method of operating a multifunctional 3D radar transceiver, comprising:
acquiring a transmitting and receiving signal of the multifunctional 3D radar transceiver, and performing fast Fourier transform processing on the transmitting and receiving signal to acquire a signal processing result;
acquiring radar information of the transceiving signal based on the signal processing result;
carrying out information coding on the radar information, and generating a control instruction based on the information coding;
and controlling the operation of the multifunctional 3D radar transceiver according to the control instruction.
2. The method as claimed in claim 1, wherein the specific operation of performing fast fourier transform processing on the transceiving signals comprises:
acquiring a signal sequence of a transmitting and receiving signal, and decomposing the signal sequence into a first part and a second part;
wherein the first part is an even part of the signal sequence and the second part is an odd part of the signal sequence;
calculating the signal sequence of the first part according to a Fourier transform algorithm to obtain a first result, and calculating the signal sequence of the second part according to the Fourier transform algorithm to obtain a second result;
and synthesizing the first result and the second result, wherein the synthesized result is a signal processing result of the transmitting and receiving signal for performing fast Fourier transform processing.
3. The method of claim 1, wherein the step of encoding the radar information comprises:
sampling the radar information based on a preset frequency, and discretizing the sampled radar information on a time axis;
quantizing the discretized radar information to obtain the amplitude of the quantized radar information, and converting each radar information with continuous value in the amplitude into a discrete value;
and coding the radar information based on the discrete value to obtain a final information code.
4. The method of claim 3, wherein the step of sampling the radar information comprises:
acquiring an information value of the radar information;
performing first sampling processing on the information value of the radar information according to the preset frequency through a preset first sampling algorithm, and acquiring first sampling information data;
acquiring the data length of the first sampling information data, and comparing the data length with the standard data length required by a preset second sampling algorithm;
if the data length is smaller than the standard data length, adding the related data of the first sampling information until the data length meets the standard data length;
performing second sampling processing on the processed first sampling information data through the preset frequency through the second sampling algorithm to obtain second sampling information data, wherein the second sampling information data are sampling results of the radar information;
wherein the first sampling algorithm is different from the second sampling algorithm.
5. The method as claimed in claim 4, wherein the step of adding the data related to the first sampling information comprises:
carrying out field analysis on the first sampling information, and extracting multiple items of effective field information of the first sampling information;
meanwhile, corresponding source mapping type codes are sequentially added to the multiple items of valid field information;
establishing a mapping relation between the source mapping type code and an information data source in a preset external data information base;
acquiring the associated data in the mapping relation, marking the associated data and constructing an associated data set;
matching the valid field information with the associated data sets in sequence;
and when the preset external data information base contains the effective field information, adding the data in the preset external data information base mapped by the effective field information into the first sampling information data.
6. The method as claimed in claim 1, wherein after obtaining the transceiving signal of the multifunctional 3D radar transceiver, the method further comprises:
reading echo baseband signals of all sub-pulses in the multi-functional 3D radar transceiver receiving and transmitting signals, and acquiring radar parameters of the multi-functional 3D radar transceiver;
performing phase compensation on the echo baseband signals of the sub-pulses by using the radar parameters;
performing data matching and filtering on the baseband echo signals of the sub-pulses after phase compensation and the respective baseband sequences through preset matching character strings, and meanwhile, filtering out data which are not matched;
acquiring a frequency domain signal of the filtered sub-pulse;
acquiring a covariance matrix of the frequency domain signal of the sub-pulse based on the filtering amplitude of the frequency domain signal of the sub-pulse;
meanwhile, constructing a dimension reduction transformation model based on the covariance matrix;
carrying out dimension reduction self-adaptive processing on the frequency domain signals of the sub-pulses according to the dimension reduction transformation model;
meanwhile, carrying out frequency spectrum shifting on the frequency domain signals of the sub-pulses when the sub-pulses are in high impedance and low impedance, wherein the average reflection coefficient of the frequency domain signals of the sub-pulses in a period is 0;
performing overlap removal operation on the frequency domain signals of the sub-pulses after the frequency spectrum shifting, wherein the frequency shift amount of the frequency spectrum shifting is equal to the frequency interval of a local oscillator frequency source;
and carrying out coherent superposition on the frequency domain signals of the sub-pulses after the superposition is removed, and obtaining and synthesizing a large broadband signal of the 3D radar transceiver for receiving and transmitting signals.
7. The method of claim 6, wherein the method further comprises: before performing the overlap removing operation on the frequency domain signal of the sub-pulse after the frequency spectrum shifting, the method further includes:
judging whether the frequency domain signals of the sub-pulses are overlapped, wherein the specific judgment process comprises the following steps:
acquiring pulse data corresponding to the frequency domain signals of the sub-pulses, and acquiring all binary coding sequences of the pulse data;
meanwhile, the binary code sequences are sequenced according to the size of the occupied space ratio of the pulse data;
distributing all the sorted binary coding sequences to a preset number of parallel threads under the condition that the pulse data processed by each thread are equal in size;
acquiring a subsequence of the binary coding sequence based on each thread, and establishing an index structure for the subsequence according to a preset relation;
performing overlap detection on the binary coding sequence based on the indexing structure;
and if the same coding sequence appears in the index structure in the binary coding sequence, judging that the frequency domain signals of the sub-pulses are overlapped.
8. The method of claim 1, further comprising:
before controlling the operation of the multifunctional 3D radar transceiver, constructing a position function of the multifunctional 3D radar transceiver according to the current angle and height of the multifunctional 3D radar transceiver, and calculating an operation comprehensive value of the multifunctional 3D radar transceiver according to the position function, wherein the specific working process comprises the following steps:
determining the angle of the multifunctional 3D radar transceiver at present according to a radar signal sent or received by the multifunctional 3D radar transceiver;
determining the actual height of the multifunctional 3D radar transceiver at present according to the angle and the height of the multifunctional 3D radar transceiver;
constructing a position function of the multifunctional 3D radar transceiver based on the angle and the actual height of the multifunctional 3D radar transceiver;
Figure 977352DEST_PATH_IMAGE001
wherein,
Figure 97755DEST_PATH_IMAGE002
representing a position function of the multifunctional 3D radar transceiver,
Figure 346334DEST_PATH_IMAGE003
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 7122DEST_PATH_IMAGE004
representing the angle at which the multifunctional 3D radar transceiver is currently located,
Figure 24757DEST_PATH_IMAGE005
representing the multifunctional 3D radar transceiver currently in questionThe actual height of the floor is,
Figure 112799DEST_PATH_IMAGE006
represents the power required by the multifunctional 3D radar transceiver to receive or transmit a signal,
Figure 379832DEST_PATH_IMAGE007
representing the work done by the multifunctional 3D radar transceiver to receive or transmit signals,
Figure 47574DEST_PATH_IMAGE008
representing the height of the multifunctional 3D radar transceiver itself,
Figure 421179DEST_PATH_IMAGE009
representing an initial angle of the multifunctional 3D radar transceiver,
Figure 680122DEST_PATH_IMAGE010
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
determining an operational composite value of the multifunctional 3D radar transceiver based on a position function of the multifunctional 3D radar transceiver and a strength of a signal received or transmitted by the multifunctional 3D radar transceiver;
Figure 637714DEST_PATH_IMAGE011
wherein,
Figure 640305DEST_PATH_IMAGE012
represents an operational composite value of the multifunctional 3D radar transceiver,
Figure 366953DEST_PATH_IMAGE002
representing a position function of the multifunctional 3D radar transceiver,
Figure 62376DEST_PATH_IMAGE013
representing the strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 507264DEST_PATH_IMAGE014
representing the signal repetition frequency of the multifunctional 3D radar transceiver upon signal modulation,
Figure 251229DEST_PATH_IMAGE015
representing the operating frequency of the multifunctional 3D radar transceiver,
Figure 160279DEST_PATH_IMAGE016
representing the operating bandwidth of the multifunctional 3D radar transceiver,
Figure 698708DEST_PATH_IMAGE017
representing a desired strength of a signal received or transmitted by the multifunctional 3D radar transceiver,
Figure 693209DEST_PATH_IMAGE018
which represents the pulse width of the signal and,
Figure 975286DEST_PATH_IMAGE003
representing the sensitivity of the multifunctional 3D radar transceiver,
Figure 207684DEST_PATH_IMAGE010
representing a time taken for the multifunctional 3D radar transceiver to receive or transmit a signal;
and controlling the multifunctional 3D radar transceiver to transmit and receive signals based on the operation comprehensive value of the multifunctional 3D radar transceiver.
9. The method as claimed in claim 3, wherein the discretizing of the radar information on a time axis comprises:
acquiring the radar information, and taking the value of the specified quantity in the radar information as an initial quantile point to obtain an initial quantile point set;
the quantiles in the initial quantile point set respectively correspond to corresponding characteristic value data, the characteristic value data corresponding to the quantiles are subjected to dispersion on a time axis through a preset algorithm to generate a discrete data set, and the information entropy of the discrete data set is calculated;
the discrete data set comprises Z data intervals;
calculating the data loss rate of the data interval through the preset algorithm, and calculating the entropy loss rate according to the information entropy of the discrete data set;
if the data loss rate of the data interval is less than or equal to the entropy loss rate, determining the initial quantile as a target quantile;
and according to the target quantile points, carrying out interval division on the radar information to obtain discretization data of the radar information on a time axis.
10. The method of claim 1, wherein controlling the operation of the multifunctional 3D radar transceiver is based on controlling a control circuit in the multifunctional 3D radar transceiver;
the control circuit includes: the circuit comprises a comparator A1, a triode J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a power supply U1;
the non-inverting input end of the comparator A1 is used for inputting control voltage and detection signals, and is connected with one end of a capacitor C1, the inverting input end of the comparator A1 is respectively connected with one end of the resistor R1, one end of the resistor R2 and the other end of the capacitor C1, and the other end of the resistor R1 is connected with the power supply U1;
the base electrode of the triode J1 is connected with the output end of the comparator A1, the emitter electrode of the triode J1 is connected with the other end of the resistor R2, one end of the resistor R2 is connected with one end of the resistor R4, the other end of the resistor R4 is connected with the ground, the collector electrode of the triode J1 is connected with one end of the resistor R3, and the power supply U1 is connected with the other end of the resistor R3.
11. A multifunctional 3D radar transceiver, comprising:
the signal acquisition device is used for acquiring a signal to be processed and extracting radar information of the signal to be processed;
the information processing device is used for carrying out information coding on the radar information and generating a control instruction;
and the control device is used for carrying out operation control according to the control instruction.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI802994B (en) * 2021-09-17 2023-05-21 為昇科科技股份有限公司 Radar velocity detection system, method, and radar device thereof

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101017203A (en) * 2006-09-26 2007-08-15 南京大桥机器有限公司 Portable X wave range Doppler weather radar signal processing method and device thereof
CN101813769A (en) * 2010-04-19 2010-08-25 大连海事大学 Marine radar detection system and detection method thereof
EP1886165B1 (en) * 2005-05-31 2010-12-15 Saab AB A stepped frequency radar device
CN102478654A (en) * 2010-11-30 2012-05-30 中国科学院空间科学与应用研究中心 Method for acquiring wide-band frequency modulation stepped chaos radar signal
CN103954963A (en) * 2014-05-05 2014-07-30 北京理工大学 Step frequency SAR imaging method based on CS algorithm
CN105158763A (en) * 2015-09-11 2015-12-16 安徽四创电子股份有限公司 Meteorological radar system based on continuous wave system and control method
CN107957583A (en) * 2017-11-29 2018-04-24 江苏若博机器人科技有限公司 A kind of round-the-clock quick unmanned vehicle detection obstacle avoidance system of Multi-sensor Fusion
CN109375175A (en) * 2018-10-23 2019-02-22 航天恒星科技有限公司 A kind of radar signal that supporting more waveforms and receive system and method
JP2019045365A (en) * 2017-09-05 2019-03-22 三菱電機株式会社 Radar device
CN111175718A (en) * 2019-12-18 2020-05-19 南京理工大学 Time-frequency domain combined ground radar automatic target identification method and system
CN111190970A (en) * 2019-12-27 2020-05-22 远光软件股份有限公司 Data mapping method, device and computer readable storage medium
CN111352097A (en) * 2018-12-21 2020-06-30 余姚舜宇智能光学技术有限公司 Laser Doppler echo signal processing method for laser radar and circuit system thereof
CN111929646A (en) * 2020-08-14 2020-11-13 中国地质大学(北京) Beam scanning ground penetrating radar system and intelligent beam scanning detection method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1886165B1 (en) * 2005-05-31 2010-12-15 Saab AB A stepped frequency radar device
CN101017203A (en) * 2006-09-26 2007-08-15 南京大桥机器有限公司 Portable X wave range Doppler weather radar signal processing method and device thereof
CN101813769A (en) * 2010-04-19 2010-08-25 大连海事大学 Marine radar detection system and detection method thereof
CN102478654A (en) * 2010-11-30 2012-05-30 中国科学院空间科学与应用研究中心 Method for acquiring wide-band frequency modulation stepped chaos radar signal
CN103954963A (en) * 2014-05-05 2014-07-30 北京理工大学 Step frequency SAR imaging method based on CS algorithm
CN105158763A (en) * 2015-09-11 2015-12-16 安徽四创电子股份有限公司 Meteorological radar system based on continuous wave system and control method
JP2019045365A (en) * 2017-09-05 2019-03-22 三菱電機株式会社 Radar device
CN107957583A (en) * 2017-11-29 2018-04-24 江苏若博机器人科技有限公司 A kind of round-the-clock quick unmanned vehicle detection obstacle avoidance system of Multi-sensor Fusion
CN109375175A (en) * 2018-10-23 2019-02-22 航天恒星科技有限公司 A kind of radar signal that supporting more waveforms and receive system and method
CN111352097A (en) * 2018-12-21 2020-06-30 余姚舜宇智能光学技术有限公司 Laser Doppler echo signal processing method for laser radar and circuit system thereof
CN111175718A (en) * 2019-12-18 2020-05-19 南京理工大学 Time-frequency domain combined ground radar automatic target identification method and system
CN111190970A (en) * 2019-12-27 2020-05-22 远光软件股份有限公司 Data mapping method, device and computer readable storage medium
CN111929646A (en) * 2020-08-14 2020-11-13 中国地质大学(北京) Beam scanning ground penetrating radar system and intelligent beam scanning detection method

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
DAEIPOUR E ,ET AL: ". Adaptive beam pointing control of a phased array radar using an IMM estimator", 《PROCEEDINGS OF 1994 AMERICAN CONTROL CONFERENCE - ACC "94. IEEE》 *
刘加方: "宽带低截获与随机极化雷达信号模型研究", 《中国博士学位论文全文数据库 信息科技辑》 *
刘国良: "《数字信号处理 MATLAB版》", 30 August 2017, 西安电子科技大学出版社 *
杨帆: "《数字图像处理与分析 第4版》", 31 January 2019, 北京航空航天大学出版社 *
柳毅: "自适应雷达控制技术的研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 *
石朝林: "《dsPIC数字信号控制器入门与实战 入门篇》", 30 August 2009, 北京航空航天大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI802994B (en) * 2021-09-17 2023-05-21 為昇科科技股份有限公司 Radar velocity detection system, method, and radar device thereof

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