CN116500583A - Laser scanning control system based on optical phased array - Google Patents
Laser scanning control system based on optical phased array Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
- G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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Abstract
The invention discloses a laser scanning control system based on an optical phased array, which relates to the technical field of optics and comprises a core control unit, a data processing unit, a model building unit, a beam processing unit, an optical phased array, a laser scanning unit, a circulator, a photoelectric detector and a Gaussian laser beam; the optical phased array is formed by controlling the phase shift amount of each phase modulation unit by making the Gaussian laser beam incident on the optical phased array chip; the Gaussian laser beams form an emission array, and the emission array periodically and regularly generates different wavelengths by setting parameters of the emission array; the circulator is used for transmitting the received signal to the next port, namely to the photoelectric detector; the laser scanning unit scans the optical signal sent by the optical phased array, and the return optical signal is transmitted again by the optical phased array. The invention ensures that the subsequent recognition of the bar code is more accurate, can continuously progress and is better used for the subsequent scanning control behavior.
Description
Technical Field
The invention relates to the technical field of optics, in particular to a laser scanning control system based on an optical phased array.
Background
As an important technology, beam scanning has been widely used in the fields of communication, laser radar, three-dimensional imaging, hyperspectral imaging, optical sensing, and the like.
Publication No. 201911087564.2 discloses an optical phased array laser radar system, which enables a laser signal emitted by a laser to be transmitted to an optical phased array through a circulator, and then the optical phased array emits all or part of the laser signal outwards, and collects a laser return signal after the laser signal irradiates a scanned object; then the laser return signal is sent to a photoelectric detector through a circulator; finally, the distance of the scanned object is calculated by the control unit according to the moment corresponding to the laser return signal received by the photoelectric detector or the converted electric signal. The system can be used for pulse or coherent detection laser radar, and the optical phased array can not only receive laser signals and emit outwards, but also receive laser return signals and send the laser return signals to the photoelectric detector.
The prior art has the following defects: after laser scanning generation, the scanning identification capability of the laser scanning generation device is fixed, continuous perfect learning cannot be performed in the using process, and a self-learning generation model cannot be built for judgment and execution.
Disclosure of Invention
The invention aims to provide a laser scanning control system based on an optical phased array, which aims to solve the defects in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: the laser scanning control system based on the optical phased array comprises a core control unit, a data processing unit, a model building unit, a light beam processing unit, an optical phased array, a laser scanning unit, a circulator, a photoelectric detector and a Gaussian laser beam;
the core control unit is used for acquiring data of the light beam processing unit and supporting the data of the data processing unit and the model building unit;
the optical phased array is formed by controlling the phase shift amount of each phase modulation unit by enabling Gaussian laser beams to be incident on an optical phased array chip;
the Gaussian laser beams form an emission array, and the emission array is set by own parameters to periodically and regularly generate different wavelengths;
the circulator is used for transmitting the received signal to the next port, namely to the photoelectric detector;
the laser scanning unit scans the optical signals sent by the optical phased array and simultaneously receives return optical signals, and the return optical signals are transmitted again through the optical phased array;
the photoelectric detector is used for receiving a return light signal output by the optical phased array;
the beam processing unit is used for filtering the return optical signal to remove stray natural light, injecting the stray natural light into the photosensitive diode, generating a photoelectric sensing signal, amplifying, shaping and decoding the photoelectric sensing signal to obtain decoding information, decoding the decoding information successfully by the decoding chip, and transmitting the decoding information to equipment to complete the whole decoding process;
the data processing unit is used for comparing the bar code processing result of the beam processing unit with an actual bar code, comparing the return light signal with the return light brightness of the actual bar code, strengthening the light and shade filtering processing of the return light signal by the beam processing unit, and establishing a data processing evaluation index through the accuracy of the convolutional network neural iterative learning processing of the return light signal;
the model construction unit constructs a new model by the updated beam processing means through iterative learning.
In a preferred embodiment, the optical phased array causes the phases of the light waves output by the units to be the same in the θ direction, thereby achieving interference enhancement in that direction, which results in a high intensity beam in that direction; at the same time, the phases of the output light of each unit generate interference cancellation in other directions, the interference results cancel each other out, and the output intensity is close to zero;
for a two-dimensional phased array of N cells, the angle of deflectionWherein λ is the wavelength of the incident light, d is the phase modulation unit pitch, < >>Phase difference for adjacent cells;
the beam phased array consists of a horizontal waveguide and an omega annular waveguide;
dividing a single waveguide into 9 sections, d1 and d2 being identical in structure, d3 being variable in a non-uniformly distributed Optical Phased Array (OPA), if l i ' By varying from the average position by + -t μm, d3 will vary by t/2 μm.
In a preferred embodiment, when a gaussian beam enters the structure from the left, it will propagate in the same phase between the waveguides; as it passes through the intermediate second to eighth sections, a phase difference is created between the waveguides; on the right side, patterns are formed in the far field due to the interference principle of light; by changing the wavelength, the horizontal offset angle of the light spot can be changed; by adjusting the length of the 3 rd and 7 th sections of each waveguide i ' And the value of the waveguide length.
In a preferred embodiment, a red laser is transmitted in the waveguide, and the laser is expanded through the beam expander lens and is emitted to the surface of the swingable mirror to be reflected to the bar code to form a laser spot; when the reflecting mirror swings, the laser point position on the bar code changes according to the optical reflection principle, and the reflecting mirror continuously swings, so that a red laser can be seen on the bar code.
In a preferred embodiment, the data processing evaluation index is established by
Wherein,,evaluation index for data processing,/->For evaluation of the coefficient, +.>For returning the optical signal intensity correction factor, +.>For returning the light signal dark brightness correction factor, +.>For returning the intensity value of the optical signal, +.>For returning a light signal dark brightness value; and n is the number of times of obtaining the contrast of the return light signal and the return light of the actual bar code, and n is 1,2 and 3.
In a preferred embodiment, the model building unit immediately executes a new model for subsequent barcode scanning processing each time the model is built in the learning of updating depth, thereby improving the accuracy of barcode scanning.
In a preferred embodiment, the outgoing light is emitted by a gaussian laser beam array and phase-modulated by an optical phased array;
then the laser scanning unit emits a light source to scan the bar code;
the bar code return optical signals are collected through the photoelectric detector, are transmitted to the optical phased array through the light beam processing unit in a light processing mode, and are analyzed through the core control unit;
analyzing the processing data of the beam processing unit through the data processing unit, collecting the contrast parameters of the return light signal and the actual bar code return light brightness, and establishing a data processing evaluation index;
after iterative learning processing, a new model is built for the processing of the return light signals by the beam processing unit through the data processing evaluation index.
In the technical scheme, the invention has the technical effects and advantages that:
1. the invention compares the bar code processing result of the beam processing unit with the actual bar code, compares the return light signal with the return light of the actual bar code, strengthens the light and shade filtering processing of the return light signal by the beam processing unit, establishes a data processing evaluation index through the accuracy of the convolutional network neural iterative learning processing of the return light signal, ensures that the subsequent recognition of the bar code is more accurate, can continuously progress, and is better used for the subsequent scanning control behavior;
2. the invention can process the definition of the return light signal through the light beam processing unit in the process of scanning the bar code, and can synchronize the processing parameters into the core control unit, and the processing parameters are fed back and executed after data processing and modeling, thus forming an evolution system which is continuously learned and advanced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a block diagram of an overall system of the present invention;
FIG. 2 is a diagram of a beam incident waveguide structure in accordance with the present invention;
fig. 3 is a detailed construction diagram of the waveguide of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment 1, please refer to fig. 1, the laser scanning control system based on the optical phased array of the present embodiment includes a core control unit, a data processing unit, a model building unit, a beam processing unit, an optical phased array, a laser scanning unit, a circulator, a photodetector, and a gaussian laser beam;
the core control unit is used for acquiring data of the light beam processing unit and supporting the data of the data processing unit and the model building unit;
transmitting red laser in the waveguide, enabling the laser to pass through a beam expanding lens to be expanded, and enabling the laser to be emitted to the surface of a swingable reflecting mirror to be reflected to a bar code to form a laser spot; when the reflecting mirror swings, the laser point position on the bar code changes according to the optical reflection principle, and the reflecting mirror continuously swings, so that red laser can be seen on the bar code;
the Gaussian laser beams form an emission array, and the emission array periodically and regularly generates different wavelengths by setting parameters of the emission array;
the circulator is used for transmitting the received signal to the next port, namely to the photoelectric detector;
the laser scanning unit scans the optical signal sent by the optical phased array and simultaneously receives a return optical signal, and the return optical signal is transmitted again by the optical phased array;
the photoelectric detector is used for receiving the return light signal output by the optical phased array;
the laser rays are emitted onto the bar code, the laser points irradiated onto the bar code are reflected because of the rough surface of the bar code, the bar and empty reflection intensity of the bar code are different, the diffusely reflected light is emitted onto the reflecting mirror, and then reflected to the light collector by the reflecting mirror, and the light collector collects light;
the light beam processing unit is used for filtering the return light signal to remove stray natural light, and injecting the stray natural light into the photosensitive diode to generate a photoelectric sensing signal, amplifying, shaping and decoding the photoelectric sensing signal to obtain decoding information, and transmitting the decoding information to equipment after the decoding information is successfully decoded by the decoding chip to complete the whole decoding process;
the data processing unit is used for comparing the bar code processing result of the beam processing unit with an actual bar code, comparing the return light signal with the return light brightness of the actual bar code, strengthening the light and shade filtering processing of the return light signal by the beam processing unit, establishing a data processing evaluation index through the accuracy of the return light signal of the convolutional network neural iterative learning processing, and calculating in the mode of
Wherein,,evaluation index for data processing,/->For evaluation of the coefficient, +.>For returning the optical signal intensity correction factor, +.>For returning the light signal dark brightness correction factor, +.>For returning the intensity value of the optical signal, +.>For returning a light signal dark brightness value; n is the number of times of obtaining the contrast of the return light signal and the actual bar code return light, and n is 1,2 and 3.
The model construction unit builds a new model by using the updated beam processing means through iterative learning, and immediately executes the new model for subsequent bar code scanning processing every time the model is built in the updating and deeper learning, so that the accuracy of bar code scanning is improved;
in embodiment 2, referring to fig. 2 and 3, the optical phased array is made by using a gaussian laser beam to be incident on an optical phased array chip, and the carrier of the optical phased array is a laser; the OPA functions to achieve beam steering, i.e. to control the focusing direction of the radiation wave; this can be accomplished by controlling the unit beam used to generate the focused beam, thereby changing its direction; the Gaussian laser is divided into multiple paths through a power beam splitting circuit, each path of light is coupled into a space through an optical radiation element after passing through an adjustable phase modulator, and interference enhancement, namely a high-intensity light beam, is formed in a far field; the scanning angle of each unit beam can be controlled by dynamically adjusting the phase of the beam;
the phase shift of each phase modulation unit is controlled to make the phase of the light wave output by each unit identical in the theta direction, so that the interference enhancement in the direction is realized, and a high-intensity light beam is generated in the direction as a result of the interference enhancement; at the same time, the phases of the output light of each unit generate interference cancellation in other directions, the interference results cancel each other out, and the output intensity is close to zero;
for a two-dimensional phased array of N cells, the angle of deflection；
Wherein lambda is the wavelength of incident light, d is the spacing between phase modulation units, and delta ϕ is the phase difference between adjacent units;
the beam phased array consists of a horizontal waveguide and an omega annular waveguide;
the single waveguide is divided into 9 sections, as shown in FIG. 3, d1 and d2 are identical in structure (0-50 um), but d3 can be varied in non-uniformly distributed OPA if l i ' By varying from the average position by + -t μm, d3 will vary by t/2 μm.
l 1 =l 2 =...=l n =0-50um(n=1,2,3...)；
When a gaussian beam enters the structure from the left, it will propagate in the same phase between the waveguides. As it passes through the intermediate second to eighth sections, a phase difference is created between the waveguides; finally, on the right-hand side emission, patterns will be formed in the far field due to the interference principle of light; by changing the wavelength, the horizontal offset angle of the light spot can be changed; the advantage of this configuration is that l can be adjusted by adjusting the length of the 3 rd and 7 th sections of each waveguide only i ' (i=1, 2,) and waveguide length.
In embodiment 3, referring to fig. 1, the invention compares the bar code processing result of the beam processing unit with the actual bar code, compares the return light signal with the return light of the actual bar code, strengthens the light and shade filtering processing of the return light signal by the beam processing unit, establishes a data processing evaluation index by the accuracy of the return light signal through the convolutional network neural iterative learning processing, enables the subsequent recognition of the bar code to be more accurate, can continuously progress, and is better used for the subsequent scanning control behavior; the processing unit can process the definition of the returned light signal in the process of scanning the bar code, and can synchronize the processing parameters into the core control unit, and the processing parameters are fed back and executed after data processing and modeling, so as to form an evolution system which is continuously learned and advanced.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions described in accordance with the embodiments of the present application are all or partially produced. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more sets of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: there are three cases, a alone, a and B together, and B alone, wherein a, B may be singular or plural. In addition, the character "/" herein generally indicates that the associated object is an "or" relationship, but may also indicate an "and/or" relationship, and may be understood by referring to the context.
In the present application, "at least one" means one or more, and "a plurality" means two or more. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a laser scanning control system based on optics phased array which characterized in that: the device comprises a core control unit, a data processing unit, a model construction unit, a light beam processing unit, an optical phased array, a laser scanning unit, a circulator, a photoelectric detector and a Gaussian laser beam;
the core control unit is used for acquiring data of the light beam processing unit and supporting the data of the data processing unit and the model building unit;
the optical phased array is formed by controlling the phase shift amount of each phase modulation unit by enabling Gaussian laser beams to be incident on an optical phased array chip;
the Gaussian laser beams form an emission array, and the emission array is set by own parameters to periodically and regularly generate different wavelengths;
the circulator is used for transmitting the received signal to the next port, namely to the photoelectric detector;
the laser scanning unit scans the optical signals sent by the optical phased array and simultaneously receives return optical signals, and the return optical signals are transmitted again through the optical phased array;
the photoelectric detector is used for receiving a return light signal output by the optical phased array and takes the return light signal as a propagation path through the circulator;
the beam processing unit is used for filtering the return light signals, filtering the stray natural light by the mirror and processing the return light signals;
the data processing unit is used for comparing the bar code processing result of the beam processing unit with an actual bar code, comparing the return light signal with the return light brightness of the actual bar code, strengthening the light and shade filtering processing of the return light signal by the beam processing unit, and establishing a data processing evaluation index through the accuracy of the convolutional network neural iterative learning processing of the return light signal;
the model construction unit constructs a new model by the updated beam processing means through iterative learning.
2. The optical phased array-based laser scanning control system of claim 1, wherein: the optical phased array enables the phases of the light waves output by each unit to be the same in the theta direction, so that interference enhancement in the direction is realized, and a high-intensity light beam is generated in the direction as a result of the interference enhancement;
the phase of the output light of each unit generates interference cancellation in other directions, the interference results cancel each other out, and the output intensity is close to zero;
for a two-dimensional phased array of N cells, the angle of deflectionWherein λ is the wavelength of the incident light, d is the phase modulation unit pitch, < >>Phase difference for adjacent cells;
the beam phased array consists of a horizontal waveguide and an omega annular waveguide;
dividing a single waveguide into 9 sections, d1 and d2 being identical in structure, d3 being variable in non-uniformly distributed OPA, if l i ' By varying from the average position by + -t μm, d3 will vary by t/2 μm.
3. The optical phased array-based laser scanning control system of claim 2, wherein: when a gaussian beam enters the structure from the left, it will propagate in the same phase between the waveguides; as it passes through the intermediate second to eighth sections, a phase difference is created between the waveguides; on the right side, patterns are formed in the far field due to the interference principle of light; by changing the wavelength, the horizontal offset angle of the light spot can be changed; by adjusting the length of the 3 rd and 7 th sections of each waveguide i ' And the value of the waveguide length.
4. A laser scanning control system based on an optical phased array as claimed in claim 3, wherein: transmitting red laser in the waveguide, enabling the laser to pass through a beam expanding lens to be expanded, and enabling the laser to be emitted to the surface of a swingable reflecting mirror to be reflected to a bar code to form a laser spot; when the reflecting mirror swings, the laser point position on the bar code changes according to the optical reflection principle, and the reflecting mirror continuously swings.
5. The optical phased array-based laser scanning control system of claim 1, wherein: establishing a data processing evaluation index in a calculation mode of
6. Wherein,,evaluation index for data processing,/->For evaluation of the coefficient, +.>For returning the optical signal intensity correction factor, +.>For returning the light signal dark brightness correction factor, +.>For returning the intensity value of the optical signal, +.>For returning a light signal dark brightness value; and n is the number of times of obtaining the contrast of the return light signal and the return light of the actual bar code, and n is 1,2 and 3.
7. The optical phased array-based laser scanning control system of claim 5, wherein: the model building unit immediately executes a new model for subsequent bar code scanning processing every time the model building unit builds a model in the process of updating and deep learning, and the accuracy of bar code scanning is improved.
8. The optical phased array-based laser scanning control system of claim 1, wherein: emitting emergent light through a Gaussian laser beam array, and performing phase regulation through an optical phased array;
then the laser scanning unit emits a light source to scan the bar code;
the bar code return optical signals are collected through the photoelectric detector, are transmitted to the optical phased array through the light beam processing unit in a light processing mode, and are analyzed through the core control unit;
analyzing the processing data of the beam processing unit through the data processing unit, collecting the contrast parameters of the return light signal and the actual bar code return light brightness, and establishing a data processing evaluation index;
after iterative learning processing, a new model is built for the processing of the return light signals by the beam processing unit through the data processing evaluation index.
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