28 results about "Ccd detector" patented technology

The invention belongs to the technical field of fluorescence spectrum collection, and particularly relates to a quasi-three-dimensional fluorescence spectrum collection method and spectrograph based on a software phase locking technology, and the method comprises the following steps: respectively modulating coprime modulation frequencies of a plurality of laser light sources with different wavelengths, and synchronously exciting the laser light sources to the surface of a sample; a fluorescence signal generated on the surface of the sample is received and processed by a linear array CCD detector to obtain a multi-wavelength spectral signal simultaneously containing background light, scattered light and fluorescence components; inputting the multi-wavelength spectral signal into a software phase-locked amplification system, introducing a Costas ring to the software phase-locked amplification system for real-time tracking and correction, and generating a synchronous reference signal consistent with the laser modulation frequency; inputting the synchronous reference signal into a software lock-in amplifier, and extracting a plurality of pure fluorescence spectrum components excited by specific-frequency laser; and synthesizing the plurality of pure fluorescence spectrum components to finally form a quasi-three-dimensional fluorescence spectrum.

The application relates to an improved cage type light field imaging system and a debugging method, and belongs to the technical field of light field imaging. The system comprises a main lens for collecting light spots on an object plane and imaging light emitted by the light spots onto a microlens; the microlens is used for separating the light collected by the main lens into light beams in different directions and imaging the light beams onto a virtual image plane; a relay lens is used for twice imaging the light beams in different directions onto different pixels of a CCD detector of a camera; the relay lens comprises a first lens and a second lens, the focal lengths of the first lens and the second lens are both positive, the focal length of the first lens is smaller than that of the second lens, and the magnification of the relay lens is greater than 1:1. During the debugging process of the system, parallel light beams are arranged in front of the microlens, and the parallel light beams are vertically injected into the microlens to determine the position of the microlens. The system is not affected by the vignetting and distortion generated by the relay lens, and the debugging method improves the positioning accuracy of the microlens.

The utility model discloses a wafer detection device which comprises a workbench, a fixing mechanism and a detection mechanism, and one side of the workbench is provided with a mounting rack. The fixing mechanism comprises a fixing disc and a plurality of fixing rings, the fixing disc is arranged on the surface of the workbench, a plurality of fixing grooves distributed in a concentric circle mode are formed in the surface of the fixing disc, a plurality of fixing holes are evenly formed in the edges of the fixing grooves, the diameters of the fixing rings correspond to the fixing grooves in a one-to-one mode, and fixing blocks corresponding to the fixing holes are arranged at the bottoms of the fixing rings. The fixing blocks can be inserted into the fixing holes; the detection mechanism comprises a laser generator, a CCD detector, a coaxial light generator and a controller, the laser generator, the CCD detector and the coaxial light generator are sequentially arranged on the mounting frame, the controller is arranged adjacent to the mounting frame, and the laser generator, the CCD detector and the coaxial light generator are all located above the fixing disc and electrically connected to the controller. According to the technical scheme of the utility model, wafers of different sizes can be replaced and detected rapidly and conveniently, time and labor are saved, and the working efficiency is improved.

The invention relates to the technical field of optical imaging control, in particular to a self-adaptive defocusing compensation device and method based on a laser spot, which utilizes a simple optical module and hardware circuit design, places a temperature sensor into an optical system, and calculates a defocusing amount through the joint calculation of temperature and a defocusing coefficient. The limitation that a traditional single defocusing detection method is easily influenced by noise by only utilizing geometrical optics is broken through, and a temperature variable is converted into a measurable feed-forward quantity from an interference factor by utilizing a global calibration method of temperature-defocusing coefficient and temperature-CCD detector defocusing displacement and a closed-loop adjustment method of coarse adjustment and fine adjustment in sequence; by combining the astigmatism method real-time defocusing detection technology, rapid defocusing compensation response can be achieved for defocusing amount generated by slowly changing temperature, meanwhile, the anti-interference capability and the control precision of the system are improved, and the imaging quality is guaranteed.

The application belongs to the technical field of aerospace, and provides a driving circuit supporting multi-degree-of-freedom image motion compensation function, which comprises a camera controller, a multi-degree-of-freedom image motion compensation timing generator, a vertical driving circuit, a two-dimensional direction charge transfer area array CCD detector, a horizontal driving circuit, a front-end signal processing circuit and an interface circuit. The camera controller is connected with the multi-degree-of-freedom image motion compensation timing generator. The multi-degree-of-freedom image motion compensation timing generator is connected with the vertical driving circuit, the two-dimensional direction charge transfer area array CCD detector and the horizontal driving circuit respectively. The vertical driving circuit and the horizontal driving circuit are further connected with the two-dimensional direction charge transfer area array CCD detector. The two-dimensional direction charge transfer area array CCD detector is connected with the front-end signal processing circuit. The front-end signal processing circuit is connected with the interface circuit. The application can realize on-chip compensation of roll, pitch, yaw and multi-degree-of-freedom dynamic motion without moving parts.

This invention relates to a continuous three-dimensional particle field reconstruction method based on single-light-field imaging using EM deconvolution, belonging to the field of optical imaging technology. This method employs a light field camera to capture light field images of a discretized three-dimensional flow field, acquiring the light intensity information of scattered light emitted by particles on each pixel of a CCD detector. Based on the light intensity information, a weight matrix for each voxel is calculated, and the entire weight matrix is ​​loaded only once. The nth frame of the light field image is loaded, and the non-zero pixels in the nth frame are identified. The non-zero pixel sequence formed by the scattered light from tracer particles is extracted. An EM deconvolution algorithm is used to iteratively calculate the non-zero pixel sequence, updating the intensity of each voxel, thereby reconstructing the three-dimensional particle field of a single frame. The above steps are repeated to complete the reconstruction of the three-dimensional particle field from multiple frames of high temporal resolution light field images, resulting in higher reconstruction accuracy and consistency, and less time consumption.

The invention discloses an automatic adjustment method for AD9814 parameters in a CCD 275 imaging circuit, and belongs to the technical field of multichannel CCD detector imaging. The method comprises the steps that system parameters are initialized, and dark field images are collected; calculating a signal difference value of each channel and determining a gain sequence; collecting a background field image, and calculating a bias sequence; and finally, converting gain and bias parameters into AD9814 register code values and automatically configuring the AD9814 register code values. According to the method, the problem of image non-uniformity caused by multi-channel reading difference is effectively solved, and the accuracy and efficiency of parameter adjustment are remarkably improved.

The application provides a coaxial aiming system for target point positioning and aiming of a picosecond terminal optical path of inertial confinement fusion (ICF), which is composed of a projection mirror, a window, a main mirror, a secondary mirror, a lens group, a cylindrical mirror and a CCD detector, and each optical element is coaxial; the system multiplexes the projection mirror and the window in the picosecond terminal optical path, and does not need to additionally increase a target chamber flange window; the cylindrical mirror is used to correct the astigmatism aberration introduced by the large-angle inclined projection mirror; considering that the projection mirror needs to change the angle to accurately guide the position change of the laser landing point, under the illumination light source with the wavelength of 590nm±7.5nm and the working wavelength of 1053nm, the projection mirror is optimized for different use angles, and the high imaging resolution requirement can be realized; the coaxial two-mirror structure is adopted, and the structure is compact and small in size. In addition, the Cassegrain structure composed of the main mirror, the secondary mirror and the lens group and the cylindrical mirror are independently designed, and the later assembly and adjustment is facilitated.

This utility model relates to a CCD-based waste sorting mechanism, comprising: a mounting frame equipped with a CCD detector; a first feeding trough located at the upper end of the mounting frame; a second feeding trough located at the upper end of the mounting frame; a first discharge channel located inside the mounting frame, communicating with the lower end of the first feeding trough; a second discharge channel located inside the mounting frame, communicating with the lower end of the second feeding trough; a receiving bin located inside the mounting frame, below the first discharge channel; and a waste bin located inside the mounting frame, below the second discharge channel and communicating with its outlet. This utility model uses the CCD detector to identify the appearance of materials. The control system analyzes the data and, in conjunction with a robotic arm, quickly sorts the materials. It can distinguish between qualified and unqualified products and send them to the corresponding areas, resulting in high sorting efficiency and reducing the risk of misoperation.

The invention provides a non-contact gas pressure detection device and method based on a dual-wavelength laser interference method. The device comprises a first laser, a second laser, a first total reflection mirror, a first double-color beam combiner, a second total reflection mirror, a beam expanding system, a beam splitter, a third total reflection mirror, a fourth total reflection mirror, a gas wedge structure measuring cavity, a beam combiner, a second double-color beam combiner, a first focusing lens, a second focusing lens, a first CCD detector, a second CCD detector, a control terminal and a to-be-measured gas source. The gas wedge structure measuring cavity comprises a reference gas cavity and a wedge-shaped gas cavity to be measured, the first laser and the second laser respectively emit a first laser beam and a second laser beam with different wavelengths, and the control terminal analyzes and processes laser interference fringe images generated by the first CCD detector and the second CCD detector to obtain gas pressure; according to the invention, high-precision non-contact measurement of the gas pressure in the cavity can be realized, measurement can be realized in a larger working range, and the device has the advantages of high accuracy and reliability.

The invention provides a multispectral imaging system and method, and the system comprises a point light source which is used for carrying out the pre-calibration of the imaging system, target light is divided into two paths after passing through a beam splitter, one path of light is converged through a lens and then is imaged on a CCD detector, and the other path of light is imaged on a CCD detector; the other path of light encodes the spectral information of the target into a spatial speckle pattern through a scattering medium and images on the other CCD detector, and the processor system reconstructs a multispectral image by combining a deconvolution algorithm and a neural network algorithm; deconvolution reconstruction is carried out on speckles obtained by the spectrum detection path by using a calibrated system point spread function to obtain initial output; and performing multispectral image reconstruction through a convolutional neural network by combining the image obtained by the space detection path with the initial output. The scattering medium is used for spectral resolution, so that the size and the cost of the system are greatly reduced; and meanwhile, physical prior is obtained through deconvolution and double-path detection and is input into the convolutional neural network for result reconstruction, so that the robustness to noise is improved.

A low-cost, multi-angle particulate matter light scattering signal detection system and method belongs to the field of particulate matter detection technology. The purpose of this invention is to achieve convenient, efficient, and simple detection of multi-angle particulate matter scattered light information. Key technical points: The outlet of a blower with a speed controller is connected to the housing. The air blown into the housing by the blower disperses the sample particles within the housing. The fan assembly is used to suspend the particles within the housing. A laser beam emitted by a laser is focused onto the particulate matter sample output from the particulate matter outlet pipe, and then sequentially passes through an aperture and objective lens to focus the particulate matter light scattering signal onto a CCD detector. The CCD detector outputs the acquired particulate matter scattered light field image to a host computer, which processes the image to obtain a distribution map of the particle scattered light intensity.

The invention relates to a self-adaptive fast digital holographic microscopic imaging measurement system based on zero-order frequency spectrum suppression and a working method, and belongs to the technical field of optical measurement. Comprising an optical fiber laser, a single-mode optical fiber beam splitter, a first optical fiber collimator, a rotating motor, a second optical fiber collimator, a photoelectric counting sensor, a rotating fan blade, a first microscope objective, a test sample, a second microscope objective, a reflecting mirror, an unpolarized splitting prism, a CCD detector and a computer, an output shaft of the rotating motor is connected with the center of the rotating fan blade and used for driving the rotating fan blade to rotate around the center point; the rotating fan blades in special shapes are designed, the rotating motor is used for assisting, and the method aims at simply and effectively eliminating the influence of the zero-order frequency spectrum with a low-cost scheme, improving the utilization rate of the space bandwidth product and achieving protection of high-frequency detail information of samples.

According to the novel large-core-diameter double-core optical fiber, the preparation method and the micro-stress monitoring system and method based on the double-core optical fiber, the novel double-core optical fiber has the advantages of being large in core diameter, extremely narrow in core spacing and low in numerical aperture, strong evanescent field coupling between double cores is achieved through the extremely narrow core spacing and consistent double-core parameters, and the micro-stress monitoring system and method based on the novel large-core-diameter double-core optical fiber are obtained. Balance can be destroyed when external micro stress is sensed, obvious change of the light intensity of the double cores is caused, and high-sensitivity monitoring of the external stress is achieved through the linear relation between the light intensity ratio of the double cores and the magnitude of the external stress; the MCVD process is matched with the stacking-pulling method to prepare the double-core optical fiber with the pole-core distance, the wall thickness limit of the traditional drilling technology is broken through, the edge distance between cores of the double-core optical fiber is smaller than 3 microns, and the prepared double-core optical fiber has extremely high optical coupling sensitivity; the micro-stress monitoring system and method based on the double-core optical fiber, the low-coherence light source and the CCD detector have the advantages of being simple in structure, low in cost, rapid in response and the like.

The present application relates to the field of seeing detection, and particularly relates to a large aperture telescope high dynamic camera seeing detection system and a detection method, wherein the detection system comprises: a fiber laser for emitting a detection beam; a mirror group distributed around the top of a to-be-detected mirror surface for reflecting the detection beam multiple times so that the detection beam passes through the detection area of the to-be-detected mirror surface multiple times; a microlens array for dividing the distorted wavefronts passing through the detection area of the to-be-detected mirror surface multiple times into a plurality of distorted sub-wavefronts and focusing the distorted sub-wavefronts onto a CCD detector array; the CCD detector array, wherein the CCD detectors are arranged in steps, for receiving the defocused and non-defocused distorted sub-wavefronts and obtaining different degrees of spot intensity; a neural network taking different spot intensities as input and camera seeing Zernike solution as output, and finally obtaining the camera seeing. The present application can perform wide-range seeing detection and has the characteristics of large flux and high efficiency.

The invention relates to a rapid hyperspectral light field Raman body imaging system and method, and the system employs wide-field imaging, combines a multi-dimensional information coding unit with a CCD detector, carries out the integrated coding of the panoramic depth information of a sample, and employs an adjustable spectrum filtering sub-module to achieve the integrated coding of the panoramic depth information of the sample. And high-quality acquisition of three-dimensional space and Raman hyperspectral information under the wavelength required by the sample can be realized only by single exposure. According to the imaging method, a light field Raman body imaging algorithm is provided, data priori of different stages in the light field imaging process is constructed respectively, and the training processes of light field denoising, a supramolecular network and a three-dimensional reconstruction sub-network are guided in sequence, so that rapid and high-fidelity isotropic resolution three-dimensional reconstruction of a low-signal-to-noise-ratio light field image is realized. According to the method, a multi-dimensional image rapid and high-resolution three-dimensional visualization processing technology system integrating traditional optics, information optics and computational optics is constructed, the imaging efficiency and precision are remarkably improved, and efficient three-dimensional information capture and high-quality reconstruction are achieved.

The application is a CCD temperature control system and control method using a multi-stage TEC stack, comprising a host computer, a CPU control processing module, a TEC drive and temperature acquisition module, and a CCD detector refrigeration assembly; the CPU control processing module is connected with the host computer and the TEC drive and temperature acquisition module, and the CCD detector refrigeration assembly is connected with the TEC drive and temperature acquisition module; the application can automatically adjust the upper TEC control parameters according to the remote temperature CCD temperature change model, meet the requirements of temperature control rate and temperature control accuracy within a certain range, and automatically adjust the lower TEC control parameters according to the remote temperature CCD temperature change model, the temperature control accuracy and the requirements of target temperature, so as to ensure the temperature control accuracy and expand the temperature control depth.

The invention discloses a sampling-matched full-aperture long-distance Fourier laminated imaging device and a sampling-matched full-aperture long-distance Fourier laminated imaging method, and belongs to the technical field of Fourier laminated imaging. The device comprises a laser light source, a spatial filtering device, a focusing lens, a two-dimensional electric control translation stage, a camera assembly and a sample stage, and an aperture diaphragm of a camera is set to be the maximum aperture of the system and is matched with sampling parameters of a CCD detector; the method comprises the steps of low-resolution intensity image acquisition, image preprocessing and iterative phase restoration and reconstruction: acquiring low-resolution images at different positions, after registration and interpolation preprocessing, restoring a high-resolution frequency spectrum through an iterative process of sub-aperture frequency spectrum interception, amplitude replacement and frequency spectrum updating by taking the frequency spectrum of a central field-of-view image as an initial value, and performing phase restoration and reconstruction on the high-resolution frequency spectrum. And finally obtaining a high-resolution complex amplitude image of the sample. The system imaging capability is fully utilized, frequency spectrum aliasing is avoided, high-resolution imaging of a far-field diffuse reflection target is achieved, the resolution is improved by 2.5 times, and the method can be applied to scenes such as remote sensing and long-distance imaging.

The application discloses a motion platform tracking system for wireless laser communication, which comprises a transmitting end and a receiving end, both of which have the same functions of transmitting and receiving; the transmitting end is mechanically connected with a first disturbed carrier; the transmitting end is provided with a first control processing unit, a first three-dimensional stable platform connected with the first control processing unit, a first two-dimensional servo turntable, a first GPS module, a first GSM / GPRS module and a beacon laser; the receiving end is mechanically connected with a second disturbed carrier; the receiving end is provided with a second control processing unit, a second three-dimensional stable platform connected with the second control processing unit, a second two-dimensional servo turntable, a second GPS module, a second GSM / GPRS module and a CCD detector; the CCD detector is connected with a receiving antenna; and the receiving antenna is mechanically connected with the second two-dimensional servo turntable. The system has the characteristics of high positioning precision and good tracking effect, and the tracking method is simple and practical.

The utility model relates to bolt feeding machine field, concretely is a kind of bolt feeding device for hub unit, including bottom plate and vibration unloading table, the output end of vibration unloading table is fixedly connected with feeding plate, and mobile groove is opened in feeding plate, and fixed ring is fixedly connected on feeding plate, and unloading port is opened in fixed ring, and supporting tube is rotatably connected on bottom plate, supporting tube is fixedly connected with carrying plate on it, and carrying plate is located in fixed ring, and material groove is opened in circumferential array on carrying plate.The utility model can accurately detect different specifications of tire bolt by setting CCD detector, effectively distinguish qualified and unqualified products, and combine the rotary index design of carrying plate, sequentially convey bolt to detection position, feeding position or unloading position, avoid the size inconsistency problem caused by model mixed in traditional vibration feeding disc, significantly improve the installation quality and production compatibility of hub unit.

The application discloses an air conditioner filter screen filtering detection device and method, and relates to the technical field of filter screen production detection.The device comprises a detection cabinet, a bearing assembly, a filtering detection assembly, a cleaning assembly and a recovery assembly; the detection cabinet is a cabinet body with a cavity, and a CCD detector is arranged in the cavity; the bearing assembly is used for mounting the air conditioner filter screen and can drive the air conditioner filter screen to ascend and descend in the detection cabinet so as to move between the CCD detector and the filtering detection assembly; the filtering detection assembly is arranged in the detection cabinet, can throw detection powder to the surface of the passing air conditioner filter screen, and the bearing assembly can drive the filter screen to pass through the filtering detection assembly; the cleaning assembly is arranged in the detection cabinet and is used for cleaning the filter screen on the bearing assembly; and the recovery assembly is arranged between the filtering detection assembly and the cleaning assembly and is used for recovering the detection powder.The application can realize the mobile detection of the air conditioner filter screen, can collect the powder through the recovery assembly and clean the filter screen through the cleaning assembly, is convenient for repeated detection of the filter screen after cleaning and drying, and improves the detection convenience and efficiency.

The utility model discloses a material stacking device and a circuit board hot melting production machine, and the material stacking device comprises a mounting rack which can lift and translate so as to move and stack materials; the material taking mechanism is mounted on the mounting frame and comprises a rotating frame, a material sucking assembly and a material pressing assembly, the material sucking assembly and the material pressing assembly are arranged on the rotating frame, and the rotating frame is connected with the mounting frame and used for driving the to-be-stacked products to horizontally rotate so as to be aligned; and the detection mechanism is mounted on the mounting frame and comprises a CCD detector and a translation assembly used for driving the CCD detector to translate, and the translation assembly is connected with the mounting frame. According to the stacking device and the circuit board hot melting production machine, materials can be conveniently stacked in an aligned mode, and repeated adjustment caused by specification changes is reduced.

The invention discloses a high-flux spectrum type surface plasma resonance detection system and a detection method. The system sequentially comprises a light source module, a light beam shaping module, a spatial light modulation module, an SPR sensing module, an optical processing module, a light splitting module, a wavelength selection module and a signal detection module from the light source module to the signal detection module. The spatial light modulation technology of the digital micromirror is combined with the SPR high-throughput detection technology, and high-throughput, high-sensitivity and wide-dynamic-range SPR signal detection is realized by utilizing the characteristics of high resolution, programmability and integration of the digital micromirror. In order to ensure high sensitivity and wide dynamic range while improving the detection flux, the high-resolution light modulation function of the digital micromirror is combined with the optical structure design, so that the spatial multiplexing and wavelength modulation detection functions of a plurality of sensing sites can be realized; meanwhile, a single-point detector is adopted to replace a traditional CCD detector to realize spectral signal measurement, so that the sensitivity and the dynamic measurement range of SPR signals are improved.

The invention provides a wire end arrangement processing machine, which is applied to the technical field of motor equipment processing and comprises a machine table, the top surface of the machine table is a processing surface, and brush cover terminals are carried and processed on the processing surface; the brush cover terminal feeding and carrying assembly is arranged on the machining face, and the brush cover terminal feeding and carrying assembly drives brush cover terminals to carry the brush cover terminals. The brush cover terminal processing assembly comprises a soldering machine and a repair welding machine; the tin soldering machine and the repair welding machine are both arranged on the machining face and located on the carrying path of the brush cover terminal feeding and carrying assembly. The brush cover terminal detection assembly comprises a CCD (Charge Coupled Device) photographing machine and a CCD detection machine; the CCD camera and the CCD detector are both arranged on the processing surface; the integrated equipment has the functions of jig jacking, upper air cylinder downward pressing, multi-station synchronous positioning, automatic welding and repair welding, intelligent carrying and discharging.

The application discloses a threshold adjusting method for a space CCD detector array on a satellite, which comprises the following steps: a temperature range acquisition step, a data downloading step, a query table establishment step, a data uploading step and a threshold adjusting step; the temperature range acquisition step is used for acquiring the working temperature range R i of each detector module i in the space CCD detector array on the satellite; the data downloading step is used for downloading the working temperature range R i to a ground station through a satellite-ground communication link; the query table establishment step is used for calculating the optimal working threshold Tr i j of the detector corresponding to a plurality of working temperatures T i j in the working temperature range R i by the ground station, and establishing a query table C i of the working temperature T i j and the optimal working threshold Tr i j of the detector; and the data uploading step is used for uploading the query table C i to the satellite through the satellite-ground communication link; the threshold adjusting method can efficiently and timely complete the threshold adjusting of the space CCD detector array on the satellite in a simple way, thereby allowing high detection precision to be realized.

The invention relates to the technical field of nucleic acid detection and optical analysis, and discloses an optical system for nucleic acid detection and analysis, comprising: an optical detection module, which is used for exciting a fluorescence label and collecting an initial fluorescence signal sequence and comprises a tunable excitation light source, a refrigeration CCD detector and a multi-channel filtering assembly; the intensity adjusting range of the tunable excitation light source is 0-1000 [mu] W / cm, the exposure time adjusting range of the refrigeration CCD detector is 10 ms-10 s, and the multi-channel light filtering assembly is used for multi-channel signal acquisition. By relying on a built-in reinforcement learning model of the data processing module, light path parameters can be dynamically adapted according to fluorescence signal characteristics collected in real time, fixed configuration does not need to be preset, weak fluorescence signals of a low-abundance nucleic acid sample can be accurately captured, signal saturation of a high-concentration sample can be avoided, and the detection accuracy is improved. And meanwhile, signal interference among multiple channels is weakened through targeted parameter optimization, so that the signal extraction accuracy and adaptation flexibility in different detection scenes are greatly improved, and the detection result better fits actual sample characteristics.

This invention discloses a compact Michelson wind imaging interferometer based on a lens array, relating to the field of atmospheric remote sensing instrument technology. It includes a beam splitter, a second compensation glass, a first compensation glass, and a compensation prism. Reflected light propagates along the thickness direction of the second compensation glass, is reflected by four reflective surfaces, passes through the second compensation glass again, and exits from the beam splitter. Transmitted light passes through the transmission film of the first compensation glass and then sequentially through the first compensation glass and the compensation prism. The compensation prism reflects the transmitted light back to the reflective film of the first compensation glass, and the transmitted light is reflected back along its original path by a single reflective surface before exiting. The transmitted and reflected light exiting the beam splitter converge on a CCD detector positioned below the lens array for interference. This invention eliminates the complex cornerstone prism alignment system, folding the straight optical paths of the two arms of a traditional Michelson interferometer into a compact layout, reducing the overall system size and weight.

The application discloses a light scattering suspended drop shape parameter measurement system and method, and belongs to the technical field of fluid characteristic research. The method comprises the following steps: using a monochromatic coherent laser beam, expanding the laser beam into an incident light with a beam width of 3-5 times of the diameter of the suspended drop to uniformly irradiate the suspended drop; adopting a combined bilinear CCD detector to respectively collect first-order rainbow signals and second-order rainbow signals generated by the suspended drop scattering; performing fast Fourier transform filtering on the collected signals, reconstructing a scattering angle distribution diagram after filtering out high-frequency components; extracting the positions and intensities of multiple groups of scattering peak values in the scattering angle distribution diagram, calculating the radius of the suspended drop through the position interval of the multiple groups of peak values, and calculating the vertical direction curvature radius of the suspended drop through the ratio of the multiple groups of peak values of the first-order rainbow and the second-order rainbow. The method breaks through the limitation that the existing light scattering measurement method can only be applied to spherical liquid drops / circular liquid columns, and successfully expands the light scattering measurement technology to the shape parameter measurement of non-spherical liquid drops.