203 results about "Single beam" patented technology

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 marine remote sensing observation, in particular to a squint ATI-SAR multi-view sub-aperture focusing marine vector flow inversion method. The method comprises the following steps of observation of strabismus ATI-SAR loads, focusing of multi-view sub-apertures, inversion of multi-view HLOS flow velocity, overdetermined equation solving of vector flow and checking of internal and external consistency of the vector flow. Non-side-looking observation is adopted for the load, observability of components in the rail direction is enhanced through physical squint, and low cost of a single beam and system conciseness are kept; according to the method, the contribution of the azimuth component is in direct proportion to the squint angle sine, so that the along-track component far greater than the virtual squint can be obtained, the solvability of the equation is improved, and the inversion instability is reduced; visual and reliable information observation is achieved with small system burden, equipment investment is saved, large-scale vector flow on-orbit observation can be achieved, and engineering is easy to achieve. According to the method, three-step closed-loop processing is carried out, the bottleneck of the traditional technology is solved, and the engineering availability and the result robustness are broken through.

The invention belongs to the technical field of bridge construction, and particularly relates to a single-point multiple-jack synchronous beam falling forced displacement method prestress applying method which comprises the steps that S1, a plurality of temporary supporting points are arranged beside a permanent support, and a self-locking type beam bearing mechanism is installed on each temporary supporting point; meanwhile, a hydraulic jack is arranged at each temporary supporting point, the multiple hydraulic jacks are connected to a PLC integrated hydraulic synchronous control system through hydraulic pipelines, and synchronous linkage mechanisms are arranged among the multiple hydraulic jacks. According to the single-point multiple-jack synchronous beam falling forced displacement method prestress applying method, when an inner jacking pipe sleeve pushes a supporting cushion block to ascend and descend, through meshing of a self-locking gear and two self-locking racks, a secondary telescopic block can be forcibly driven to move synchronously, so that continuous stretching and retracting of a bearing beam are achieved, the cushion block does not need to be manually replaced after single beam falling, and the working efficiency is improved. The system automatically adjusts the height to meet the multi-stroke circulating beam falling requirement, and the construction efficiency is improved.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of one or more beam failure detection reference signal sets corresponding to a list of component carriers. Whether a component carrier is included in the list or whether a beam failure detection reference signal set of the one or more beam failure detection reference signal sets is applicable to the component carrier, or both, may be based on whether the component carrier is of a first type configured for a single beam failure detection reference signal set or is of a second type configured for multiple beam failure detection reference signal sets. The UE may monitor one or more component carriers included in the list for beam failure using the one or more indicated beam failure detection reference signal sets.

The invention relates to the technical field of water supply and drainage robots, and discloses a submersible type multifunctional water supply and drainage robot which comprises a robot body and an auxiliary operation unit. Two groups of water pumps are arranged in the main body, and multiple groups of drainage through holes are formed in two sides and the bottom of the main body and are communicated with the water pumping cavity to form a low-resistance multidirectional water taking and drainage channel; a scanning sonar, a single beam, an electronic compass, a tilt angle sensor, a harmful gas detection sensor, a camera, a lighting lamp and the like are arranged, the system cooperates with an electric control system, remote and autonomous operation is supported, path planning is conducted based on environment perception, and the unit time drainage efficiency in a complex environment is improved in cooperation with a pump set. The auxiliary operation unit is a mechanical arm installed on the main machine body and sequentially connected with a first connecting arm, an angle adjusting arm and a second connecting arm, the tail end of the auxiliary operation unit is provided with a clamping mechanism and a crushing mechanism, and the auxiliary operation unit is used for obstacle clearing and narrow position fixed-point crushing and guarantees continuous operation and safety. The method is suitable for flood prevention and fighting, urban inland inundation, mine, underground pipe gallery, tunnel drainage and other scenes.

The invention discloses a micro-droplet long-distance optical force traction system based on a nanometer optical fiber. The system comprises an optical fiber laser, a nano optical fiber, micro-droplets, an imaging optical element and an imaging camera, the nanometer optical fiber comprises a first optical fiber non-tapering area, a second optical fiber non-tapering area, a first optical fiber taper area, a second optical fiber taper area and a uniform waist area located in the middle. And the micro-droplets coat the uniform waist region of the nano optical fiber. The transmission loss of the nanometer optical fiber is low, the total length can reach the meter level, a transmission light field in the uniform waist area of the nanometer optical fiber interacts with the micro-droplets, forward scattering is enhanced through momentum exchange, and therefore long-range optical traction force is applied to the micro-droplets. According to the invention, the problem of short luminous traction action distance (millimeter level) based on a single light beam in the prior art is solved, and the device has the advantages of long-distance control (centimeter to meter level), high precision, high flexibility, good stability and good biocompatibility, and can be applied to the biochemical fields of cell control and sorting, biological detection, micro-droplet reaction and the like.

The invention discloses an unknown environment mapping method for a single-beam laser of aircraft, which belongs to the field of three-dimensional map reconstruction technology. Firstly, the data collected by a single-beam LiDAR is aligned with the timestamp of the stepper motor, and the obtained point cloud data is filtered and matched to obtain three-dimensional map information. The pose of the aircraft is estimated by the wheel odometer and IMU, and the loop detection is performed to reduce the cumulative error and update the three-dimensional map information in real time. The frontier search algorithm is used to determine the target point of the aircraft flight, the A* algorithm is used to plan the path trajectory, and the B-spline curve optimization algorithm is used to make the trajectory of the aircraft smoother. The control command is sent to the aircraft, and then the global three-dimensional map of the unknown environment is obtained.

The invention relates to the technical field of micro-fluidic chips, and discloses a multi-fluid effect synergistic three-dimensional single-row focusing micro-fluidic chip and a method for single-line focusing of polystyrene microspheres by using the micro-fluidic chip, the micro-fluidic chip comprises a sample liquid inlet, one end of the sample liquid inlet is provided with an inertia focusing link, and the other end of the sample liquid inlet is provided with an inertia focusing link; a tapered flow guide cone structure is arranged between the inertial focusing link and the sample liquid inlet and is used for inhibiting the initial dispersion and diffusion trend of particles at the sample liquid inlet; the bionic gradient height structure is positioned at one end, far away from the tapered flow guide cone structure, of the inertial focusing link and is used for focusing and compressing the particles in the vertical direction; a sheath fluid focusing area is arranged at one end, far away from the inertial focusing link, of the bionic gradient height structure, and a sheath fluid inlet and a chip mixed liquid outlet are sequentially formed in one end, far away from the bionic gradient height structure, of the sheath fluid focusing area. According to the invention, efficient three-dimensional centered arrangement is realized, dynamic convergence of a particle trajectory from a dispersion state to a central single beam is realized, and a digital focusing regulation capability is realized.

This invention relates to a closed-loop measurement device and method for the angular velocity of a micro-gyroscope based on a single-beam optical trap, belonging to the field of inertial navigation technology. It includes a vacuum cavity, a micro-gyroscope, an optical trap levitation module, a rotation detection module, and a feedback control module. The micro-gyroscope is placed inside the vacuum cavity, and the optical trap levitation module is positioned below the vacuum cavity. The optical trap levitation module can converge a first laser beam from bottom to top into the vacuum cavity to form a vertical optical trap, thus leviting the micro-gyroscope. The rotation detection module can horizontally converge a second laser beam onto the micro-gyroscope and split the second laser beam, after its polarization direction has been changed by the rotating micro-gyroscope, into two laser beams with different intensity ratios. The feedback control module can analyze the intensity ratio of the two laser beams and provide feedback control to the rotational angular velocity of the micro-gyroscope. This invention features high bandwidth, low noise, and high accuracy.

The utility model relates to the technical field of microfluidics, and discloses an inertia micro-fluidic chip for cross-scale packaging, which comprises a first water phase channel, a second water phase channel, a mixing channel and an oil phase channel, the output ends of the first water phase channel and the second water phase channel are communicated with the mixing channel in an intersection manner; the oil phase channel is of a closed-loop structure, and the mixing channel penetrates through the output end of the oil phase channel and communicates with the oil phase channel. The first water phase channel can focus introduced agrobacterium cells, so that the agrobacterium cells can enter the next part of reaction channels in a regular arrangement state. The accumulation of the change along the channel can cause the new inertial migration behavior of the agrobacterium, compared with a straight channel, the number of gathering positions and the required channel length can be effectively reduced, and meanwhile, the agrobacterium is focused into a single beam, so that the agrobacterium can be converged with soybean cells in a regular arrangement state.

The application relates to the technical field of antennas, in particular to a dual-mode high-gain millimeter wave beam scanning antenna, which comprises a bottom dielectric substrate provided with a first excitation port and a second excitation port at two ends; a top dielectric substrate comprising a '+'-shaped dielectric cover layer arranged on the top of the bottom dielectric substrate; parallel plate slot waveguides connected with a first substrate integrated waveguide horn and a second substrate integrated waveguide horn at two ends respectively; a first waveguide transition structure connected with the first excitation port and the first substrate integrated waveguide horn at two ends respectively; and a second waveguide transition structure connected with the second excitation port and the second substrate integrated waveguide horn at two ends respectively. The application can realize wide-range beam scanning including backward end radiation, meanwhile, high-gain single beam scanning is maintained, the application has the characteristics of simple structure, easy integration and processing, high gain and full coverage of the upper half space, and greatly improves the performance of a millimeter wave wireless communication system.

This invention provides a beam-deflecting metasurface and a quantum sensor. The beam-deflecting metasurface includes a metasurface array, which in turn includes metasurface units. Each metasurface unit comprises a substrate unit block and a copper ring. In any metasurface array, the outer diameter of the copper ring is uniform. By changing the inner diameter of the copper ring, the transmission phase of the corresponding metasurface unit is altered. The beam-deflecting metasurface of this invention effectively controls the coupling and probe beams frequently used in quantum sensors, preventing the probe beam from being affected by the coupling beam. The overall structure is simple, and the cost of the beam-deflecting metasurface is low, enabling the quantum sensor to have a wide range of applications. Because the copper ring has a symmetrical structure, it is polarization-independent. For both the probe and coupling beams, the transmittance of the beam-deflecting metasurface remains above 90%, ensuring efficient transmission of the required optical signals.

The application discloses a kind of monitoring devices of pressure fluctuation frequency and amplitude in cavitation collapse process, including water tank, cavitation generator, magnetic fluid, magnetic field device, laser generator, optical splitter, laser probe and receiver;Optical splitter is emitted by single beam laser of laser generator and is divided into two beams, one is emitted as laser, frequency is f ;Another is as reference laser, frequency is f + f r ;Laser probe exports and irradiates on the tip of magnetic fluid by emitting laser, and reflection is formed to form reflected laser, and its frequency is f + f D ;Receiver, accept reflected laser, and it has reference laser inside by optical splitter, and its frequency is f + f r The application can master the whole dynamic data of quantized cavitation collapse by monitoring the frequency and amplitude of whole process pressure fluctuation caused by cavitation collapse in liquid environment through magnetic fluid magneto-rheological effect, tip surface effect and Doppler effect, which provides important technical means for single-cavity theory development and hydraulic machinery cavitation flow research.

The utility model provides a large tonnage cargo lift car frame structure, the large tonnage cargo lift car frame comprises monomer beam frames, transverse connecting beams and cable-stayed structures, the monomer beam frames are rectangular frame structures, the three groups of monomer beam frames are arranged in the channel direction of a lift car, all the monomer beam frames are fixedly connected through the transverse connecting beams, and the cable-stayed structures are fixedly connected through the cable-stayed structures. A channel structure for fixing the lift car is formed, a bottom bracket is arranged at the bottom of the channel structure in a supporting mode and forms a bearing face, the lift car is arranged on the bearing face, cable-stayed structures are arranged between the transverse connecting beams between the single beam frames, and the cable-stayed structures are fixedly connected with the upper ends and the lower ends of the adjacent single beam frames. The car frame is of a structure formed by combining a plurality of single beam frames, the single beam frames are combined in order to improve the load of the large-tonnage goods elevator, existing production and processing materials can be effectively utilized, the transverse connecting beams are main structures for connecting the single beam frames, and the connected structures are reinforced through the cable-stayed structures, so that the load capacity is improved.

The invention relates to a terahertz communication safety beamforming method and a communication system, and the method comprises the steps: observing a system state through an intelligent agent to construct a state vector, and the system state comprises channel state information of a legal user and a potential eavesdropper; outputting a beamforming vector according to the state vector through a strategy network in the intelligent agent; the power constraint layer normalizes the beam forming vector to obtain a final beam forming vector, and performs signal transmission; and calculating a reward value according to a result after signal transmission, and updating network parameters of the deep reinforcement learning agent based on the reward value. After training is completed, only one time of neural network forward propagation is needed for online decision making, the delay of single-time beam updating is lower than 1.5 ms, the complexity is far lower than that of a convex optimization method such as SDR, and the method is suitable for a terahertz high-speed real-time communication scene.

The invention relates to an intelligent design method for an equivalent single beam of a cable bearing bridge. The intelligent design method comprises the steps that basic design indexes of the cable bearing bridge are set; based on a BP neural network model, the basic design indexes are used for generating design parameters of an equivalent single beam of the cable bearing bridge, and the design parameters comprise section characteristics, dead load set degree and equivalent torsion mass; and establishing a finite element model of the equivalent single beam based on the design parameters of the equivalent single beam. The method comprises the following steps: firstly, setting a basic design index, and then quickly generating design parameters of an equivalent single beam based on a BP neural network model so as to establish a finite element model; dependence on experience of designers is reduced, determination difficulty of design parameters is reduced, particularly, when scheme comparison and selection are needed, design parameters corresponding to equivalent single beams are generated according to different basic design indexes, scheme comparison and selection efficiency is greatly improved, and reference is provided for main beam design decision making of cable bearing bridges.

Systems and methods for associating phase tracking reference signal (PTRS) and demodulation reference signal (DMRS) ports for multi-beam physical uplink shared channel (PUSCH) transmissions are described herein. A base station may provide, to a user equipment (UE), PTRS and DMRS port associations for the multiple beams on which the PUSCH is transmitted. In some cases, a 2-bit downlink control information (DCI) field may be used to alternatively provide single beam or multiple beam PTRS and DMRS port associations to a UE. For non-codebook (NCB) based transmissions, the UE may alternatively determine PTRS and DMRS port associations for multiple beams independently of any PTRS and DMRS port association indicated in DCI.

The invention provides a miniaturized single-beam multi-reflection atom magnetometer probe. The miniaturized single-beam multi-reflection atom magnetometer probe comprises a prism assembly, an alkali metal atom gas chamber and a second curved surface reflector. The prism assembly converts incident light into circularly polarized light and comprises a first optical surface for receiving the incident light and a second optical surface for emitting the circularly polarized light. The alkali metal atom gas chamber is arranged opposite to the second optical surface, the second curved surface reflector is arranged on one side, back to the second optical surface, of the alkali metal atom gas chamber, and the second curved surface reflector reflects circularly polarized light penetrating through the alkali metal atom gas chamber back to the alkali metal atom gas chamber. The second optical surface reflects the circularly polarized light emitted to the second optical surface from the alkali metal atom gas cell to the alkali metal atom gas cell. According to the invention, circularly polarized light can repeatedly pass through the alkali metal atom gas chamber, atoms are polarized for multiple times, the number of atoms is equivalently increased in a limited area, the ultimate sensitivity of the atom magnetometer probe is improved, and miniaturization and integration of the atom magnetometer probe are realized.

The invention provides an in-hole laser parallel processing device and method, relates to the field of laser processing, and aims to solve the problems of low in-hole structure processing efficiency and low in precision in existing laser processing, a single beam of laser is divided into multiple beams of parallel laser for simultaneous processing, and the processing efficiency can be doubled compared with that of a traditional single-point scanning mode. A plurality of feature points can be formed through one-time processing, so that the overall processing time is greatly shortened; each laser beam is provided with an independent condensing lens in one-to-one correspondence, so that the laser energy of each processing point can be accurately focused, the problems of aberration and the like possibly caused by using a single large lens are avoided, and the processing quality and precision of each point under parallel processing are ensured; a parallel beam splitting system which is complex in function and large in size is arranged outside a hole, only a reflector which is relatively simple in structure and a compact condensing lens array extend into the hole, and the problem that a complex optical system is integrated in a limited hole cavity is solved by adopting the design that the interior and the exterior are separated.

The application discloses a single-beam imaging device and method, and belongs to the technical field of microscopic imaging. The application adopts a single beam, utilizes the principle of time multiplexing continuous wave beam wavefront and fluorophore time suppression process, carries out time modulation between short time and long time, carries out wavefront modulation between excitation and suppression to realize imaging, simplifies the structure of the imaging device, and improves imaging super-resolution.

The utility model discloses a laser etching device, and relates to the technical field of optical fiber production and manufacturing. The laser etching device comprises a laser generator used for generating a laser beam; the bearing assembly is used for bearing and fixing the optical fiber; the optical assembly is used for dividing the laser beam into a first laser single beam and a second laser single beam and irradiating the first laser single beam and the second laser single beam to the two sides of the optical fiber respectively so as to etch the two sides of the optical fiber; in the embodiment of the invention, the first laser single beam and the second laser single beam symmetrically irradiate the two opposite sides of the optical fiber, so that the two opposite sides of the optical fiber are synchronously etched; specifically, the optical assembly comprises a spectroscope, a first galvanometer, a second galvanometer, a first focus lens and a second focus lens. According to the technical scheme provided by the utility model, the etching efficiency and the etching precision can be improved.

The application discloses a modified eccentric compression method considering torsional constraint stiffness of end cross beams. The steps are as follows: (1) obtaining relevant parameters of the beam bridge according to engineering data; (2) calculating the torsional constraint stiffness of the end cross beams to the main beam; (3) calculating the load transverse distribution coefficient at the fulcrum point through the lever principle method, and the single-web section main beam and double main beam bridge are calculated by using a single beam model, and the double-web three main beam and more main beam bridges with multiple pieces are calculated by using a double beam model; (4) calculating the load transverse distribution coefficient of the main beam in the longitudinal bridge direction at any position by the modified eccentric compression method considering the torsional constraint of the beam end; (5) considering the change of the load transverse distribution along the longitudinal bridge direction for the concentrated load, taking the load transverse distribution coefficient at the midspan position for the uniformly distributed load, and then calculating the load effect. The method considers the elastic support of the stiffness of the end cross beam to the torsional deformation of the main beam, and provides a new high-precision method for the load transverse distribution calculation of the box section beam bridge.

The invention discloses a Raman beam combination laser amplifier, relates to the technical field of laser, and aims to solve the problem of low conversion efficiency of an existing beam combination laser amplifier. A first bowl-shaped reflecting mirror and a second bowl-shaped reflecting mirror are coaxially arranged at the two ends of a columnar reflecting mirror assembly, the concave surfaces face the columnar reflecting mirror assembly, and a Raman laser crystal is arranged in the columnar reflecting mirror assembly; seed light output by the seed light module enters the Raman laser crystal through the center of the first bowl-shaped reflector; and a plurality of beams of fundamental frequency light output by the plurality of fundamental frequency light modules are obliquely incident to the Raman laser crystal from the side surface of the columnar reflector assembly. Each beam of fundamental frequency light of the Raman beam combination laser amplifier can be reflected for multiple times in the amplifier and interacts with the seed light for multiple times, the conversion efficiency of the single beam of fundamental frequency light is improved, the adjustment difficulty of the fundamental frequency light module is low, and the Raman beam combination laser amplifier is suitable for integrated use.

The invention discloses a method and device for modulating random polarized light through a liquid crystal spatial light modulator, and relates to the technical field of light field regulation and control. The device comprises a laser, a two-in-one optical fiber, a beam expander, a polarization beam splitter (PBS), a 1 / 2 wave plate, an optical fiber coupler, a polarization maintaining optical fiber, a liquid crystal spatial light modulator and other core components, wherein the liquid crystal spatial light modulator is reflective or transmissive. According to the method, random polarized light is divided into parallel and vertical polarized light components through a PBS, the vertical polarized light is converted by a 45-degree 1 / 2 wave plate and then is transmitted by a polarization maintaining optical fiber and is converged with the original parallel polarized light component, or the vertical polarized light is directly used for preheating a sample to be processed, and the converged single beam of parallel polarized light is modulated by a liquid crystal spatial light modulator. Single-beam modulation is achieved, high-power large light spot application is adapted, the hologram manufacturing difficulty is lowered, the light path structure is simplified, light energy loss is reduced, and the device is suitable for 3D metal printing, laser welding and other scenes.

The invention discloses a satellite internet spaceborne base station load balancing method, which comprises the following steps that: a source spaceborne base station detects the load value of each cell under the source spaceborne base station, and triggers a load balancing process when the load value of the cell under the source spaceborne base station exceeds a preset high load threshold value; in the load balancing process, at least one load balancing operation of intra-station inter-cell load balancing, intra-satellite inter-base-station load balancing and inter-satellite inter-base-station load balancing is executed according to a preset priority sequence until the load of a high-load cell is lower than a preset self-load recovery threshold value; according to the invention, through a hierarchical load balancing mechanism, the problem that resources cannot be dynamically scheduled when a single beam is overloaded in the prior art is effectively solved, and the resource scheduling range is expanded step by step according to the in-station, in-satellite and inter-satellite priority order; it is ensured that under the high load condition, pilot frequency cells in the satellite-borne base station, other satellite-borne base stations in the satellite and adjacent satellite resources can be fully utilized for load sharing.

The utility model discloses an electric double-beam cleaning crane for transferring non-woven fabrics. The electric double-beam cleaning crane comprises a movable double beam, a fixed single beam and a movable table, a first gear motor is fixedly installed on the outer side of the movable double beam in a supporting mode, a first supporting rolling wheel is fixedly installed on a transmission shaft part on the inner side of the first gear motor, a longitudinal guide rail is fixedly installed at the upper end of the fixed single beam, and a transverse guide rail is fixedly installed at the upper end of the movable double beam. Second gear motors are fixedly installed on the two sides of the movable table in a supported mode, second supporting rollers are fixedly installed on transmission shaft parts on the inner sides of the second gear motors, a transverse dust cover is fixedly installed on the inner sides of the movable double beams in a supported mode, a longitudinal dust cover is fixedly installed on the inner sides of the fixed single beams, and a winch is fixedly installed at the upper end of the movable table. According to the non-woven fabric hoisting device, dust and impurities are prevented from falling onto the surface of the non-woven fabric while the non-woven fabric is hoisted and transferred, so that the non-woven fabric is kept clean.

The utility model relates to the technical field of single-beam cranes, and discloses a single-beam crane with an adjusting structure, which comprises two support adjusting mechanisms, two angle adjusting mechanisms and a guide mechanism, the two adjusting seats are slidably connected to the two sides of the top of the supporting plate correspondingly, the two guide blocks are fixedly installed on the two sides of the top of the supporting plate correspondingly and located between the two adjusting seats, and the protection plate is in threaded connection to the top of the supporting plate through bolts. According to the single-beam crane with the adjusting structure, the supporting plate and the two adjusting seats are arranged in a matched mode, the positions of the two adjusting seats can be adjusted relatively according to different weighing requirements, then the adjusting seats are matched with the supporting plate, and the effect of adjusting the contact area between the adjusting seats and a track is achieved; the device can meet the requirements of different lifting weights, and meanwhile the rollover prevention capacity of the device can be improved.

An X-ray separator for sorting metals from recycled material includes an X-ray source that produces a radiation beam capable of passing through the material carried by a conveyor belt and reaching an array of transmission sensors and also generating a fluorescence signal that is detected by an array of fluorescence sensors placed adjacent to the beam, so that the separator simultaneously performs both fluorescence and transmission analysis using both phenomena caused by the single beam.

The invention relates to a double-droplet optical tweezers spontaneous / stimulated Raman spatial resolution measurement device and method based on a confocal system, belongs to the technical field of aerosol microdroplet spectrum trace analysis, and solves the problems that an existing aerosol double-droplet detection device generally depends on a traditional single-beam optical system, cannot capture double droplets, is insufficient in spatial resolution, cannot capture the double droplets, and cannot capture the double droplets. And high-precision spatial resolution is difficult to realize for capturing and dynamic monitoring of the double liquid drops. The device comprises a double-droplet suspension system, an environmental atmosphere control system, an optical path coupling system, a dynamic signal processing system, a droplet imaging system and a confocal optical system. The environment atmosphere control system is communicated with the double-droplet suspension system, and the confocal optical system is respectively communicated with the double-droplet suspension system, the dynamic signal processing system, the droplet imaging system and the light path coupling system; the confocal optical system comprises a microscope objective and a long-wave reflecting short-wave pass mirror, and the microscope objective is arranged between the long-wave reflecting short-wave pass mirror and the double-droplet suspension system.

The utility model discloses an assembled beam body of a folding awning, the beam body is composed of a main beam and an auxiliary beam, the main beam is provided with a rotating end groove, and the auxiliary beam is provided with a rotating end matched with the rotating end groove; a driving mechanism is arranged in the main beam, and a traction piece is arranged on the main beam; a plurality of groups of pulley assemblies are arranged in the secondary beam; the auxiliary beam is turned over with the rotating end groove as a rotating fulcrum, so that the auxiliary beam is located on the inner side of the main beam, and one pulley assembly is connected with the traction piece. On the premise of ensuring the basic linkage curtain cloth rod, a single-beam structure is changed into an assembled beam body structure, so that the convenience in mounting or replacing and dismounting can be ensured, the time and labor are saved, the mounting efficiency is improved, and various accessories can be ensured to be mounted on the folding awning.