376 results about "Beam angle" patented technology

The invention provides an LED lamp intelligent energy-saving control method and system, and the method comprises the steps: obtaining environment illumination intensity data, personnel flow density data and current working state parameters of an LED lamp, which are collected by a plurality of sensors, carrying out the preprocessing of the original data of the sensors, and obtaining a standardized environment perception data set; calculating power resources required by the intelligent control system are evaluated according to the LED lamp control parameter optimization scheme, the brightness output of the LED lamp is controlled according to the calculating power resources, and the current proportion of red, green and blue LED chips is adjusted according to the color temperature; whether the light beam angle needs to be adjusted or not is judged through matching analysis of the light beam angle and environmental perception data, if yes, the lens position of the LED lamp is changed, and the output spectral characteristics of the LED lamp are measured and determined through a spectrum analyzer; after sensor calibration parameters are updated, LED lamp power consumption data are collected, and if the deviation between actual power consumption and a theoretical calculation value is smaller than a preset percentage, it is determined that the energy-saving control effect reaches an expected target.

The invention provides a distributed multi-target microwave transmission control method and system, and relates to the technical field of data processing, and the method comprises the steps: obtaining the geographic coordinate information of each target device, constructing the motion track of each target device, sorting the coordinate information of each target device according to a time node sequence, and storing the sorted coordinate information of each target device; coordinate difference values between adjacent time nodes are accumulated to obtain a predicted coordinate data set; coordinate distance values between target devices are extracted; the coordinate distance values are subjected to grouping statistics to obtain a position merging data set; beam direction range information and beam angle interval parameters of a current time period are extracted; and obtaining a beam candidate data set, performing coordinate comparison on each target device to obtain beam binding data, generating a control instruction, and ensuring that the beam adjusts the beam emission direction according to the control instruction. The coordinate of the target equipment can be predicted, the beam emission direction can be controlled, and microwaves can be stably transmitted to the target equipment.

The invention discloses an off-line adjusting device and method for light spot position offset adjustment, and belongs to the technical field of optical precision adjustment. The device comprises a single-beam light-emitting direction adjusting device, a single-beam light-emitting position adjusting device and a multi-beam angle adjusting device which can be formed on the same off-line platform by configuring different detection units. The method comprises the following steps of: calibrating a light source by using the devices in sequence, and constructing an ideal light source assembly with accurate direction, accurate position and multi-beam parallelism; the whole device is installed to a complete machine system to serve as an absolute reference, and a complete machine optical element is adjusted to make a light spot reach a preset position; and finally, replacing with a customized light source and carrying out fine adjustment by taking the calibrated optical element as a reference. According to the method, decoupling of light source calibration and optical element calibration is achieved through the process of establishing the benchmark offline, transmitting the benchmark through the whole machine and customizing light source adaptation, the installation and adjustment precision, efficiency and repeatability are remarkably improved, and dependence on operation experience is reduced.

The invention relates to the technical field of intelligent lighting control, in particular to an LED lamp energy-saving control method and system, and the method comprises the steps: obtaining environment data and user data; constructing a scene knowledge graph, and pre-storing illumination parameters of different scenes; performing standardization processing on the environment data and the user data, and obtaining a state vector in combination with the scene knowledge graph; inputting the state vector into a three-dimensional comfort level model to calculate a comprehensive comfort level score; if the comprehensive comfort level score is lower than a target threshold value, an illumination adjustment strategy is output through a dual-network illumination adjustment agent, the LED lamp is adjusted according to the illumination adjustment strategy, and the illumination adjustment strategy comprises light intensity adjustment, color temperature adjustment and light beam angle adjustment; and if the comprehensive comfort level score is higher than a target threshold value, lightweight light intensity gradient optimization is carried out, and the light intensity of the LED lamp is dynamically adjusted according to the position of the person. Therefore, the problems of insufficient environmental adaptability, lack of comfort consideration and the like in the prior art are solved.

The invention belongs to the technical field of intelligent control, and particularly relates to a lamplight illumination angle intelligent control system and method. The problems that an existing lighting strategy is disjointed with user requirements, lighting resources are wasted, and experience is poor are solved. The system constructs a dynamic semantic scene graph through multi-modal perception, identifies a user task intention, generates a parameterized illumination body, drives a multi-degree-of-freedom mechanism to regulate and control a light beam angle, convergence, dispersion and light color, and performs closed-loop correction on an illumination effect. The method can achieve the deep understanding of the environment and the recognition of the task intention, improves the illumination precision and energy efficiency, optimizes the user experience, and guarantees the illumination stability and accuracy.

The invention discloses an irradiation-resistant split radar level meter, and belongs to the technical field of level measurement. The level meter comprises a transmitter and a measuring assembly, and the transmitter is located in a low-irradiation area and used for transmitting and receiving radar waves and outputting a level measuring result; the measuring assembly is located in a high-irradiation area and comprises a first waveguide straight pipe, a waveguide bent pipe and a second waveguide straight pipe which are sequentially connected, the other end of the first waveguide straight pipe is connected with a transmitter, the other end of the second waveguide straight pipe is connected with a horn, the second waveguide straight pipe is sleeved with an outer sleeve, the two ends of the outer sleeve are fixedly connected with the second waveguide straight pipe, and the waveguide bent pipe is connected with the horn. The flange fixes the outer sleeve and the second waveguide straight pipe on the penetration piece through bolts, and the horn is used for controlling the beam angle emitted by the radar waves and collecting the returned radar waves. The level meter can solve the problem that in the prior art, a radar level meter cannot resist irradiation or cannot accurately measure the level of an irregular surface.

A small animal imaging and radiotherapy (RT) irradiator device uses a circular array x-ray source to scan an anatomy of an animal, delivers conventional and ultra-high dose rate of radiation to the treatment target. The multipixel x-ray source includes a ring of focal spots capable of irradiating x-ray beams from around fifty beam angles. The x-ray beams are collimated with a collimator designed in treatment planning.

The invention discloses a light effect adjusting structure and a lamp, and relates to the technical field of lighting devices, the adjusting structure is used for adjusting the light effect emitted by a light source embedded in a lamp panel, and the adjusting structure comprises adjusting assemblies distributed in the middle of the lamp panel and the edge of the lamp panel; the mounting parts are arranged in the middle of the lens on the outer side of the lamp panel and on the surface of the radiator on the outer side of the lamp panel respectively, the mounting parts correspond to any part in the adjusting assembly in the inner-outer position mode, and the control end of any part in the adjusting assembly is located in the operation space between the mounting parts and the adjusting assembly; the sealing piece is detachably connected to the mounting part and seals the operation space; the number of the inductors is at least one, and the inductors are connected to the end parts of the mounting part and / or the sealing assembly when the operation space is in a non-closed state; the light effect adjusting structure achieves adjustment of light effects such as the beam angle, the power and the color temperature of the light source by controlling the adjusting assembly, and the light effect adjusting modes of the lamp are diversified.

The invention belongs to the technical field of unmanned aerial vehicles and intelligent lighting, and particularly relates to an unmanned aerial vehicle intelligent dimming and lighting system self-adaptive to ambient light, which comprises an unmanned aerial vehicle platform, a lighting module, an environment sensing module, a flight state sensing module and an intelligent control and decision module. The intelligent control and decision module fuses environment illumination and unmanned aerial vehicle flight data, and outputs optimal illumination parameters based on a deep reinforcement learning algorithm; and the illumination driving and regulating module accurately controls the brightness and color temperature of the LED light source array of the illumination module and the beam angle of the optical lens group. The environment illumination, the flight state and the task requirement are sensed in real time, and the output brightness, the color temperature and the beam angle of the LED light source array are intelligently adjusted based on the deep reinforcement learning algorithm, so that energy waste caused by fixed-intensity illumination is avoided.

The invention discloses a radar point cloud longitudinal integrity detection method. The method comprises the following steps: obtaining point cloud data of each frame collected by a radar; calculating the distance from each point cloud to the radar center, and constructing the effective sensing radius of the point cloud of the current frame; dividing a plurality of radius intervals, calculating the longitudinal angles of all point clouds in each radius interval, and sorting the longitudinal angles according to the size; calculating the longitudinal angle difference of adjacent point clouds in each radius interval, and comparing the longitudinal angle difference with a wire harness included angle threshold value set according to the model of the radar; giving a separation wire harness between adjacent point clouds corresponding to the longitudinal angle difference greater than the wire harness included angle threshold value; and if the number of the separated wire harnesses corresponding to each radius interval is consistent, determining that the point cloud longitudinal wire harness integrity of the radar meets the requirement. The beneficial effects of the invention are that the technical scheme of the invention can carry out the grading processing of the point cloud data according to the radius, and effectively alleviates the instability of the long-distance point cloud caused by environmental factors.

The invention discloses a particle arc radiation therapy energy layer selection method, device, equipment and medium, and aims to solve the problems of energy layer redundancy, too long treatment time, unreasonable LET distribution and the like in current proton particle arc radiation therapy, and the method comprises the following steps: obtaining a beam arc and a beam angle set in a particle arc radiation therapy plan; determining a candidate energy layer set according to the water equivalent thickness of the beam, and determining the optimal energy layer selection of each beam according to a preset objective function; target region dose coverage reaches an expected effect through target region coverage and total energy layer switching time control, the total energy layer switching time is reduced, and the energy transfer linear density hot spots are concentrated in the target region through the degree that the energy layer deviates from the center, so that the biological effect control precision is improved; and the purposes of reducing the treatment time and enabling the energy transfer linear density hot spots to be distributed in the target region as far as possible are achieved on the premise of ensuring high coverage of the target region.

A broadband millimeter wave beam tracking method based on vehicle movement trajectory recognition, which relates to the field of wireless communication. First, a rough estimate of the beam angle is obtained according to the position and attitude of two vehicles in a communication scenario at an initial moment, and a state of the vehicle is judged according to the sudden change rate of the transmitting beam angle starting from a next moment: if it is in the sudden change mode, the observation value ŷk of the received signal is calculated; if it is in the smooth change mode, the observation value I is calculated; the observation values in different modes are input into an improved particle filter algorithm for fine beam estimation, to obtain optimal values xk and uk; and the beam optimal values at the current moment are used to re-estimate a pair of the forming vector of the transmitting beam and the forming vector of the receiving beam to adjust the vehicle and the pilot signal at the next moment is transmitted; by continuously adjusting the beam forming vector at each moment, a beam tracking within an error range is obtained. The present application improves the accuracy and reliability of beam tracking in case of sudden angle change.

One disclosure of the present specification provides a method by which a UE performs communication. The method comprises the steps of: receiving information on a satellite from a network, wherein the information on the satellite includes orbit information of the satellite and a reference location of a cell of the satellite, and the satellite serves the UE; calculating a beam angle of the satellite on the basis of the orbit information and the reference location; on the basis of the beam angle of the satellite being fixed, determining a trajectory of the reference location of the satellite on the basis of the calculated beam angle and the orbit information; and performing cell measurement on the basis of the trajectory of the reference location.

According to an embodiment of the present disclosure, an electronic device includes: a plurality of light emitting portions arranged spaced apart from each other to form an annular shape; at least one light receiving portion disposed between the plurality of light emitting portions; a separation distance between each of the plurality of light-emitting portions and the at least one light-receiving portion may be configured such that the at least one light-receiving portion obtains the light, and a processor analyzes the light generated by the light-emitting portions and incident on the light-receiving portion. The light is reflected after being emitted from each of the plurality of light emitting portions at a beam angle of each of the plurality of light emitting portions.

The invention discloses an antenna beam adjustment method and device, a computer program product and electronic equipment. The method comprises the steps that first parameter information and first attitude information of a first antenna to be adjusted are acquired, the first parameter information at least comprises a first beam width, and the first attitude information at least comprises a first pitch angle and a first beam angle; analyzing the first parameter information and the first attitude information by using a pre-trained received signal strength prediction model to obtain first predicted received signal strength of the first antenna; and performing iterative adjustment on the first beam width according to the first predicted received signal strength, so that a deviation error between the first predicted received signal strength and the expected received signal strength approaches zero. The technical problem that the receiving and transmitting performance of the antenna is poor due to the fact that the antenna beam cannot be intelligently adjusted in the prior art is solved.

The invention provides an intelligent vehicle lamp self-adaptive adjusting system which comprises a multi-mode information collecting module, a driver body shape analyzing module, a vehicle lamp adjusting module and an electric executing mechanism, and the vehicle lamp adjusting module is used for generating vehicle lamp adjusting parameters according to key body shape parameters of a driver, vehicle dynamic state information and natural environment information; wherein the vehicle lamp adjusting parameters at least comprise vehicle lamp height, light beam angle and light beam width adjusting parameters. By means of the mode, self-adaptive adjustment of the height, the angle and the light beam width of the vehicle lamp is achieved by combining the physical characteristics, the dynamic behaviors, the vehicle dynamic state and the natural environment information of the driver, the view area of the driver is accurately covered, and the driving safety and comfort are remarkably improved; the real-time response capability and the closed-loop optimization mechanism of the system enable the system to adapt to complex and changeable driving scenes, and meanwhile, interference to other road users is reduced.

The lighting device comprises a lamp shell, a light source PCB and a lens, a plurality of through holes are formed in the edge of the lamp shell, buckle assemblies are arranged on the surfaces, close to the sides of the through holes, of the lamp shell, and the working ends of the buckle assemblies are connected with the edge of the lens in a clamping mode. Light sources connected with the light source PCB form a plurality of light source sets in the circumferential direction of the surface of the light source PCB, the light source sets are spirally distributed along the center of the lens, and a plurality of protruding strip sets are arranged on the surface, away from the side of the light source PCB, of the lens in the circumferential direction. The convex strip group is composed of a plurality of convex strips with different optical surface shapes at the light incident side and / or the light emergent side, the convex strips are spirally distributed along the center of the lens, and beam angles formed when any two convex strips in the same light source group are irradiated by the light source group are different; the light beam angle can be adjusted by rotating the lens, and the lens and the lamp shell are connected without screws.

The lamp comprises a fixed seat, a light source, a lens and a movable ring, the light source is fixed in the fixed seat, the light emitting surface of the light source faces the lens, the lens is fixedly connected with the movable ring, one of the fixed seat and the movable ring comprises a sliding block, the other one comprises a sliding groove, and the two ends of the sliding groove are distributed at intervals in the radial direction of the lens. The sliding blocks are arranged in the sliding grooves in a sliding mode, when the movable ring rotates relative to the fixed base, the sliding blocks slide along the sliding grooves, and the distance between the lens and the light source is changed. The light beam angle of the lamp can be adjusted, and the lamp is simple in structure and low in cost.

The invention discloses an anti-interference method based on a phased-array antenna, and belongs to the technical field of phased-array antennas. The method comprises the following steps: S1, carrying out phased-array antenna beam angle calculation according to acquired geographic position information and attitude information, and communicating with a communication target; s2, carrying out interference source target scanning on the coverage airspace, respectively obtaining multiple groups of target position data, and forming multiple groups of position matrixes; s3, screening out a real interference source target; s4, accurately positioning a real interference source target by using a difference beam, and determining an accurate coordinate of the real interference source target to obtain an interference source position; and S5, performing anti-interference processing on the position of the interference source, performing communication in a narrow beam mode, and performing zero setting processing on the position of the real interference source in the phased array directional diagram to realize system anti-interference. According to the invention, the communication influence of interference signals on the phased-array antenna is reduced, the anti-interference performance of the phased-array antenna is greatly improved, and the communication reliability of the phased-array antenna is ensured.

A workpiece processing system with an ion source that includes two or more extraction apertures, each producing two beamlets at different extraction angles, is disclosed. The ion source includes blockers disposed within the ion source that manipulate the plasma sheath to allow extraction of ions at different extraction angles. The ion source may include at least two blockers, each proximate to a respective extraction aperture. These blockers may be different sizes or have different offsets relative to their respective extraction aperture. These differences result in ion beamlets of different extraction angles being extracted through the different extraction apertures. In another embodiment, the heights of the extraction apertures may differ. The blockers associated with these different sized extraction apertures may be identical, or may differ. Further, in some embodiments, the blockers may be electrically biased at different voltages to produce ion beamlets of different extraction angles.

A base station (gNB) is described. The gNB includes receiving circuitry configured to receive non-terrestrial network (NTN) satellite ephemeris and satellite capabilities information including an antenna set configuration, a number of beams in a coverage area, available power, supported beam group and / or beam pattern type, a maximum number of beam groups and / or beam patterns, and a maximum number of beams in a beam group or beam pattern, a beam stability and beam angle fluctuations. The gNB also includes transmitting circuitry configured to configure the beam groups and / or beam patterns based on the satellite capabilities, and schedule transmissions based on the configured beam groups and / or beam patterns.

This invention discloses a photocurable pixel arrangement structure, a photocurable module, and a printing device. By setting multiple sub-pixels with different wavelength ranges and arranging them in a special array, the differences in beam angle and curing effect of multiple sub-pixels with different wavelength ranges are balanced, and the light coverage range of various sub-pixels is better matched.

A method for treating a metal substrate includes generating a beam from a single laser having a pulse duration less than 800 femtoseconds and a wavelength greater than 700 nanometers. The beam is split via a diffractive optical element to establish first and second separated beams angled away from each other. An optical prism alters respective pitches of the separated beams, and a focal lens receives the altered beams to angle them toward each other at or near a single focal point on the metal substrate. The combined laser irradiation from the altered, separated beams affects the metal substrate to concurrently form a plurality of microstructures and nanostructures thereon.

The invention provides an ultrahigh ship identification method and system based on a self-adaptive Norenz matrix, and relates to the field of ship safety monitoring. The first matrix is a sea wave adaptive Norenz matrix which adapts to sea wave environment and ship height measurement requirements through dynamic phase adjustment and beam angle grading; correcting the deviation of the detection wave beam in real time according to the sea wave monitoring data to obtain a corrected detection wave beam; and finally, receiving a reflected light beam formed by reflecting the corrected detection wave beam through a ship, analyzing the reflected light beam to obtain the height of the ship, and generating early warning information in combination with the average height of the sea waves. Static angle grading adaptive ship height and dynamic phase adjustment offset sea wave interference can be realized, so that the accuracy of ultrahigh ship identification is improved.

The application relates to an illumination assembly for an endoscope and a parameter determination method of the illumination assembly. The illumination assembly comprises a cone part and a lens part which are integrally formed; the cone part comprises a large-diameter end and a small-diameter end; the light-out surface of the lens part comprises a total reflection surface and a refraction surface; the large-diameter end of the cone part is connected with the light-out surface of a light guide beam, and the small-diameter end of the cone part is connected with the lens part; the emergent light of the light guide beam is incident into the cone part from the large-diameter end, is converged and the beam angle is adjusted in the cone part, is then emitted from the small-diameter end, enters the lens part, and a part of the light beam incident into the lens part reaches the light-out port of the illumination assembly after total internal reflection on the total reflection surface, and another part reaches the light-out port of the illumination assembly after refraction on the refraction surface. The problems that the light cannot be considered in terms of uniform distribution and large-angle illumination in the coupling and transmission process of the existing endoscope illumination assembly are solved.

The T8 lamp tube comprises a light-transmitting lamp tube body with a through cavity penetrating in the axial direction, and is characterized in that a lighting source is arranged at a port of one end of the through cavity, the irradiation direction of the lighting source faces a port of the other end of the through cavity, a refraction lens covers the lighting source, and a reflection mirror is arranged at a port of the other end of the through cavity; the refraction lens and the reflection mirror are oppositely arranged. The T8 LED lamp tube has the advantages that the structure is simple, and the problems that the light emitting direction of a traditional T8 LED lamp tube is concentrated, a dark space exists, and the beam angle is limited are fundamentally solved through the secondary optical design of refraction and reflection.

Techniques for reducing blur in images taken during semiconductor inspection are disclosed herein. A stage holding a substrate for inspection may be moved at a substantially constant speed during inspection to increase throughput. In some techniques, a mirror system may be added to a camera system to reduce blur in an image. The mirror system may include a rotating mirror or a dithering mirror to convert linear motion of the stage into counter-rotating motion in the form of a deflected beam angle to reduce motion blur caused by movement of the stage.

The application belongs to the technical field of optics, and particularly relates to a condenser lens, a lamp and a condenser lens module. The condenser lens comprises, in sequence along the optical axis direction, an incident part for receiving and refracting light from a light source, a converging part for totally reflecting and converging the light refracted by the incident part, and an exit part for homogenizing and exiting the light converged by the converging part. The condenser lens is configured to make the difference between the beam angles of the light of different wavelengths after exiting be less than + / - 3 degrees. The application can make the light beams of different spectrums generated after passing through the same condenser lens have a small difference in exiting angle, solve the color layering problem of the light spot when the multi-color light sources are mixed, realize uniform light mixing, and only one set of condenser lens mold needs to be developed, thereby reducing the manufacturing cost.

The invention discloses a variable-focus uniform illumination system based on a laser light source. The variable-focus uniform illumination system comprises a white light module, a first lens group, a second lens group and a third lens group. The white light module, the first lens set, the second lens set and the third lens set are sequentially arranged in the direction of the optical axis. And the white light module and the lens group I form a secondary light source structure. And the second lens group and the third lens group form a Kepler telescope structure. The third lens group is a motion group. The Kepler telescope has the beneficial effects that white light of the white light module is projected to the lens group I, a light focus converged by the lens group I is used as a secondary light source, and the Kepler telescope structure consisting of the lens group II and the movable lens group III is matched, so that the angle change of emergent light beams is realized, and the angle change of the emergent light beams is realized; and the illumination uniformity of the illumination in the whole process of angle change is maintained at a relatively high level.

An apparatus includes a first mirror reflecting an input light beam as an intermediate light beam, a second mirror reflecting the intermediate light beam as an output light beam, an angle sensor measuring an angle of the output light beam, and a centration sensor measuring a centration of the input light beam. The apparatus further includes a controller configured to (i) based on measurements from the centration and angle sensors, determine an input path of the input light beam, (ii) based on the determined input path of the input light beam and a target output path, determine a target intermediate path, and (iii) based on the target intermediate path, determine target orientations of the first and second mirrors, such that the first and second mirrors, when steered to the respective target orientations, reflect the input light beam along the target output path.