313 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.

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.

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.

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.

Embodiments of the present application provide a kind of multi-focus laser assembly, laser processing device and method.Multi-focus laser assembly includes laser, beam splitting element, beam angle adjustment assembly, first beam shaping assembly, beam converging assembly and objective lens arranged in order along the direction of light path, laser is used to emit laser beam;Beam splitting element is used to split laser beam into predetermined number of sub-beams;Beam angle adjustment assembly includes predetermined number of sub-adjustment unit, each sub-adjustment unit is used to adjust the transmission angle of corresponding sub-beam;First beam shaping assembly includes predetermined number of sub-beam shaping element, each sub-beam shaping element is used to shape the sub-beam adjusted by corresponding sub-adjustment unit;Beam converging assembly is used to converge all sub-beams with preset optical parameters on objective lens, so that all sub-beams form burst point at predetermined number of positions of object after focusing through objective lens.This scheme has relatively high cutting efficiency.

The present invention concerns a UV light-emitting device for reduction of the microbial pressure inside a building, said device comprising a housing having an exterior side and an interior side and an upper portion and a lower portion; a first LED UV-light source, which is a directional light source of UVB light having a first lighting direction through the lower portion of the housing; a plurality of second LED UV-light sources arranged on the exterior side of the upper portion of the housing, and which are directional light sources of UVC light each having a second lighting direction, wherein and each of the second UV-light sources are provided with a light beam angle of up to 30°, and wherein the second lighting directions define a plane substantially perpendicular to said first lighting direction and substantially parallel to the building floor when installed. The invention further concerns a lighting arrangement with such devices. By the invention it is possible to provide the harmful UV components in the second light source and direct this light source in an orientation away from the area of the room where animals or humans are present, so that the UV-light is not harmful for humans and other animals in the building.

The utility model discloses a lamp and relates to the technical field of lighting lamps. The LED lamp comprises a lamp barrel, a fixing assembly, a lens assembly, a light-emitting assembly, a first magnetic attraction piece and a second magnetic attraction piece. Wherein a cavity is formed in the lamp tube; the fixing assembly is fixedly arranged in the cavity; one end of the lens assembly is assembled in the fixing assembly in a reciprocating motion mode and used for controlling light. The light-emitting assembly is fixedly arranged in the cavity and located in the lens assembly; the first magnetic attraction part is arranged on the lens assembly and is far away from the peripheral side of one end of the fixing assembly; the second magnetic attraction part is used for being matched with the first magnetic attraction part, and the second magnetic attraction part is detachably assembled on the peripheral wall of the lamp barrel; the second magnetic attraction piece is moved to drive the first magnetic attraction piece to move, and then the lens assembly is driven to reciprocate relative to the fixing assembly so as to adjust the beam angle of the light-emitting assembly. By adopting the technical scheme, the device has the advantages of simple structure and convenience and rapidness in beam angle adjustment.

The present invention relates to an apparatus and method for measuring the beam angle of a light beam guided by a beam guidance optical unit. The apparatus according to the invention comprises a light intensity sensor device (20, 30, 40, 50, 60), a focusing unit (21, 31, 41) for focusing the light beam at a specified position on the light intensity sensor device, and an adjusting unit (22, 32, 42) for adjusting the relative position of the intensity centroid of the light beam with respect to the specified position on the light intensity sensor device in the presence of a change in the beam angle as it enters the apparatus, wherein the adjusting unit (22, 32, 42) is configured to keep the relative position of the intensity centroid of the light beam with respect to the specified position on the light intensity sensor device (20, 30, 40, 50, 60) constant up to a specified maximum deviation, which maximum deviation corresponds to half the average beam diameter at incidence on the light intensity sensor device (20, 30, 40, 50, 60).

An external shutter assembly to control a light beam emitted by a headlight of a vehicle includes a pair of transparent structures arranged facing the headlight and a blind assembly arranged between the transparent structures. The blind assembly includes a support rod extending movably coupled to a first transparent structure and a base rod fixedly coupled to a second transparent structure. The support rod is arranged to be displaced in the vertical direction. The blind assembly further includes a plurality of blinds arrayed in a vertical direction and arranged spaced apart from each other with first ends the blinds being pivotally coupled to the base rod and second end of the blinds attached to the support rod. The blinds pivot between a horizontal position and a slanted position in response to the vertical displacement of the support rod to control an angle of the light beam.

The utility model provides a gain flattening filter device for a multi-core optical fiber light amplification device, which comprises an input multi-core optical fiber, an input lens, an optical isolation system, a gain flattening filter plate, an output lens and an output multi-core optical fiber which are sequentially arranged along the direction of an optical path, the light passes through an optical isolation system, a gain flattening filter and an output lens in sequence and then is input to a second fiber core; each beam of light passing through the gain flattening filter and the optical axis form an emergent included angle theta, and the optical isolation system is used for isolating return light of the gain flattening filter. A light beam enters the gain flattening filter plate at an angle to ensure that interface reflected light can deviate from an inlet end collimator, so that return loss is ensured, pre-stage amplification is prevented from being influenced, meanwhile, the interface reflected light of the gain flattening filter plate is isolated by using an optical isolation system in a matched manner, normal operation of a pre-stage amplification system is ensured, and the integration of the devices is utilized. And miniaturization packaging can be facilitated.

A beam-steering device (100) for spatial steering of a light beam comprises a waveguide array (10) being arranged on a substrate (50) and comprising a waveguide array input (12), multiple waveguides (14-1, 14-2, . . . , 14-i) and a waveguide array output (16), wherein the multiple waveguides (14-1, 14-2, . . . , 14-i) are adapted for simultaneously guiding light from the waveguide array input (12) to the waveguide array output (16) and for forming a light beam downstream of the waveguide array output (16) by superimposing the light guided by the waveguides (14-1, 14-2, . . . , 14-i), a phase shifter device (18) being arranged for applying controlled phase shifts to the light guided in each of the waveguides (14-1, 14-2, . . . , 14-i), and a grating array (22) including at least one patterned grating in optical communication with the waveguide array output (16), the grating array (22) being configured to radiate the light beam out of the beam-steering device (100) to a surrounding, wherein the waveguide array output (16) is arranged such that the light beam is formed downstream of the waveguide array output (16) with a main lobe and side lobes and with a beam angle Φ in a plane of the substrate (50), that is determined by the controlled phase shifts applied to the light by the phase shifter device (18) and a wavelength of the light, a slab propagation region (20) is arranged between the waveguide array output (16) and the grating array (22) such that the main lobe of the light beam is angularly relayed to the grating array (22) and the side lobes of the light beam leave lateral sides of the slab propagation region (20) before reaching the grating array (22), and the grating array (22) is arranged to radiate the light beam out of the beam-steering device (100) with a first angular direction with respect to the substrate (50), that is determined by the beam angle Φ. Furthermore, a method of beam-steering a light beam is described.