723 results about "Beam control" patented technology

The invention relates to the technical field of communication, in particular to an airborne Tiantong phased-array antenna and an application method thereof. According to the method, phased-array antenna beams are driven to perform electronic scanning according to a geometric azimuth angle, beacon signal blind acquisition is performed in a preset airspace in a wide beam mode, and when an initial signal is detected, the mode is immediately switched to a narrow beam scanning mode; dynamically adjusting a phase weighting coefficient to realize pointing adjustment, so that a signal quality parameter is continuously converged in an optimal threshold interval; carrying aircraft maneuvering acceleration feedback is introduced, beam pointing offset is dynamically compensated based on a pre-constructed interference feature library, and signal fluctuation caused by a multipath effect is suppressed; and continuously checking a data validity flag bit of the main inertial navigation system, seamlessly switching to an antenna built-in inertial navigation data stream when a failure threshold is triggered, and activating a rapid recapture program to maintain zero interruption of a communication link. Through dual-source inertial navigation data fusion and intelligent beam control, rapid and accurate tracking of Tiantong satellites in an airborne environment is realized.

The invention relates to the technical field of wireless communication, in particular to an intelligent beam forming system and method for millimeter wave communication, and the system comprises a sensing module which is used for collecting multi-direction signal data in a millimeter wave communication environment and extracting environment feature information, and an intelligent decision module which generates a beam direction control strategy based on a deep reinforcement learning algorithm, the sub-region management module divides a communication region into a plurality of sub-regions according to a beam direction control strategy and allocates communication resources to each sub-region, and the beam control module adjusts the beam direction and power allocation of the antenna array according to the beam direction control strategy and the communication resource allocation result of the sub-regions. The feedback evaluation module obtains communication quality data after beam adjustment and generates a performance evaluation result, and the learning optimization module updates network parameters of a deep reinforcement learning algorithm according to the performance evaluation result and improves the environment adaptive capability.

The invention discloses a large-scale phased array multi-channel partition beam control method and device based on an FPGA and a storage medium. The method comprises the steps that a control instruction of an antenna control unit is acquired; analyzing the control instruction which is verified to be correct, judging an instruction type according to an analysis result, when the instruction type is a beam switching instruction, determining a beam control parameter in the instruction, and calculating a base code of the phased-array antenna according to the beam control parameter; the array elements of the phased-array antenna are divided into a plurality of areas, according to the base codes and the position coordinates of the array elements, the wave control codes of the array elements are calculated in parallel by adopting a multi-channel partitioning method, and the wave control codes are normalized and then written into a beam forming chip in parallel; and after the operation is completed, a corresponding response instruction is sent to the antenna control unit. The method has the advantages of being high in beam switching speed, small in resource consumption and good in universality, an array can form a sparse array in the mode of sending a control instruction, and therefore side lobes are restrained, and power consumption is reduced.

The invention discloses a beam control optimization method and system for a millimeter wave network, and relates to the technical field of beam control optimization, and the method comprises the following steps: employing a DTW algorithm dynamic time warping algorithm to match multi-hop path time delay characteristics between a base station and user equipment, and screening an optimal reflection path sequence; obtaining path topology, constructing a secondary unconstrained binary optimization model, and obtaining discrete phase distribution through quantum annealing solution; calculating a quantization error of the discrete phase and performing frequency domain compensation by adopting an interpolation algorithm to obtain a phase compensation vector; loading the compensation vector to programmable metasurface hardware to form a reflection link, and constructing a phase error covariance matrix; correcting the weight parameter increment of the optimization model based on the matrix; and finally, a target function is constructed in combination with the correction weight and the compensation vector, channel capacity optimization is realized, the problems of difficult multi-hop path selection, insufficient phase error compensation and high beam optimization complexity in millimeter wave communication are solved, and the channel capacity and the communication quality are improved.

The invention belongs to the technical field of vacuum coating, and particularly relates to a vacuum coating machine electron gun control method and system.The control method comprises the steps that in the coating process, key real-time parameters reflecting the working state of an electron gun and the evaporation process are continuously collected and fused, and the current coating state is evaluated in real time based on the key real-time parameters; and in combination with preset coating process requirements, an electron beam control target instruction set of a next control period is dynamically generated through a built-in decision mechanism and is sent to a power controller, a focusing coil controller and a scanning coil controller of the electron gun, and the electron gun is driven to adjust the power output, the focusing state and the scanning motion of the electron gun in real time. Through accurate and stable control of the evaporation rate, material characteristic changes are effectively coped with through a strong closed loop of power and the evaporation rate; the dynamically planned scanning path can actively compensate the non-uniformity of the thermal field of the crucible, and beam spot energy distribution is optimized in combination with focusing adjustment, so that the uniformity of the thermal field is remarkably improved.

The invention discloses a phased array receiving beam resource allocation method for satellite communication, which relates to the technical field of satellite communication, and comprises the following steps: acquiring satellite position, user position and satellite attitude data, calculating an azimuth angle and a pitch angle of a propagation path, querying a pre-stored dark matter density distribution database of a satellite-borne memory, and calculating a pre-stored dark matter density distribution database of the satellite-borne memory; extracting a dark substance density value; according to the user service priority and the real-time channel quality, a beam resource proportion is adjusted in a resource allocation table, and a beam scheduling instruction is generated; and executing the beam scheduling instruction, driving the state switching of the millimeter wave phased array phase shifter, monitoring the change rate of the signal-to-noise ratio of the user terminal, and re-calculating the azimuth angle and the pitch angle of the propagation path when the continuous change rate of the signal-to-noise ratio exceeds a preset change rate threshold. According to the method, a space-borne pre-stored dark matter density database is inquired, a phase disturbance value is calculated, and the cosmic scale dark matter physical field effect is brought into a beam control closed loop.

The invention relates to the technical field of sound beam control, and provides a sound beam forming pointing control method based on crowd recognition and related equipment thereof. The method comprises the following steps: performing time-space synchronous acquisition and calibration on multi-modal sensor data to obtain a time-space aligned original data set, and performing layered signal enhancement on the original data set to obtain a visual feature tensor and an audio feature tensor; dense crowd detection and tracking are carried out according to the visual feature tensor to obtain a target crowd space-time trajectory matrix, and sound source localization and beam weight calculation are carried out in combination with the audio feature tensor to obtain a beam forming weight vector; performing multi-constraint dynamic optimization in combination with environmental parameters in the multi-modal sensor data to obtain an adaptive control parameter set, and finally performing real-time beam forming in combination with a loudspeaker sequence to obtain a directional sound field output signal. According to the invention, target detection, sound source localization and dynamic adaptive control are combined on the multi-source data, so that the beam direction is dynamically adjusted.

The invention discloses a photoelectric fusion beam control method and device based on a reconfigurable intelligent reflecting surface. The method comprises the following steps: acquiring internal and external parameter matrixes of a binocular camera and a binocular-RIS coordinate transformation matrix; capturing a binocular image stream of a detection target by using a binocular camera and executing stereo matching to obtain a disparity map and depth data of a binocular image; detecting a target image in the binocular image and outputting bounding box information of a center point of the target image; calculating target image coordinates through the depth data and the bounding box information, and converting the target image coordinates into three-dimensional space coordinates under an RIS coordinate system so as to determine the spatial position of the target; generating an RIS phase codebook according to the target spatial position, wherein the RIS phase codebook comprises a near-field phase compensation item; and loading the phase codebook to the RIS unit to form a target beam so as to perform directional tracking on a target. According to the technical scheme of the invention, high-precision beam control and stable positioning and tracking of the target can be realized in a complex multi-target environment.

The invention provides an air-ground integrated reconfigurable intelligent surface energy transmission system, and belongs to the technical field of wireless power supply systems, and the system comprises a visual perception module which is used for obtaining image information of a monitoring area, carrying out the recognition and positioning of an energy receiving target based on the image information, and outputting a target coordinate; the control calculation module calculates phase regulation and control parameter coordinates required for driving the reconfigurable intelligent surface based on the received target; the energy transmission module dynamically adjusts the wavefront phase of the electromagnetic wave based on the phase regulation and control parameter coordinates to form an energy focus point at the position of the energy receiving target; the energy receiving module is arranged on an energy receiving target and used for receiving the electromagnetic energy at the energy focus point and converting the electromagnetic energy into direct-current electric energy. According to the invention, the three technical fields of high-precision real-time sensing, intelligent signal processing and advanced electromagnetic beam control are deeply integrated, and remote, high-efficiency and automatic charging for a plurality of freely moving devices is realized.

The technology described herein is directed towards a reconfigurable surface device that reflects an impinging electromagnetic signal, with a phase profile determined by vertical positioning of a flexible metallic ground plane beneath metallic resonating elements of the reconfigurable surface. The vertical positioning forms different gaps between portions of the flexible ground plane and the respective metallic resonating elements above those portions, to determine the direction of the reflected beam. In one implementation, four individually linear actuators (vertical driving motors) are mechanically coupled to the corners of the ground plane of a metasurface (panel). These actuators and motors are independently controlled to establish the phase profile, by determining the amount of vertical positioning of each corner of the flexible ground plane to steer the reflected beam. The low-cost design can operate to steer millimeter wavelength beams in many wireless communication scenarios.

The invention provides a beam control system for BNCT treatment. The system comprises a treatment control module, an accelerator control module and a flux monitoring module. The treatment control module is used for acquiring the delivery dose and the delivery time of the BCNT in real time so as to trigger a beam stopping instruction based on the delivery dose or the delivery time, and transmitting the beam stopping instruction to the accelerator control module so as to terminate neutron beam delivery; the accelerator control module is used for receiving a beam stop instruction to correspondingly close the proton beam so as to terminate neutron beam delivery, and automatically close the proton beam when an abnormal condition occurs; the flux monitoring module is used for monitoring neutron flux in real time and transmitting monitoring data to the treatment control module so that the treatment control module can obtain the delivery dosage in real time based on the monitoring data. According to the application, the delivery of the beam is accurately controlled and the delivery dose and the delivery time are monitored in real time in the BNCT treatment process, so that the accuracy and the safety of the beam delivery of the equipment are ensured.

The invention relates to the technical field of antenna control, and discloses a control method for a leaky-wave antenna and a communication device. The method comprises the following steps: measuring the dispersion characteristic of the leaky-wave antenna, establishing a second-order nonlinear mapping relation between a propagation constant and a control voltage, and obtaining a dispersion control parameter group; reversely deducing the target beam directional angle to obtain a target propagation constant, and calculating an initial voltage value of each control unit in combination with the parameter group to form a voltage gradient control sequence; correcting the propagation constant of each unit by adopting a distance compensation algorithm, and recalculating to obtain distance self-adaptive voltage distribution data; and detecting a beam quality factor in real time, updating voltage distribution data through a gradient descent algorithm when the beam quality factor deviates from a target value, and outputting a control voltage sequence to drive each control unit. The leaky-wave antenna control method and device solve the problems that in an existing leaky-wave antenna control technology, the beam quality is reduced and the data rate is sharply attenuated during long-distance transmission, and the beam control precision and the long-distance transmission performance of the leaky-wave antenna in the terahertz frequency band are improved.

The invention provides a method for assisting a movable antenna to realize secure communication by STAR-RIS, and relates to the technical field of wireless communication. According to the method, the safety and the rate of the system are maximized by jointly optimizing the beam forming of the base station, the position of the movable antenna and the STAR-RIS coefficient matrix. The method specifically comprises the following steps: constructing a downlink MIMO system and establishing a joint optimization problem; decomposing the joint optimization problem into three sub-problems by adopting an alternate optimization framework; respectively utilizing a particle swarm optimization algorithm and a weighted minimum mean square error method to be combined with a Majoritization-Minimalization algorithm to solve each sub-problem, and respectively utilizing the particle swarm optimization algorithm and the weighted minimum mean square error method to be combined with the Majoritization-Minimalization algorithm to solve each sub-problem; and alternately executing related steps until system security and rate convergence to obtain a solution of the joint optimization problem. By the adoption of the method, the safety communication performance of the system is remarkably improved, full-space coverage and precise beam regulation are achieved, the algorithm convergence is high, the solving efficiency is high, and the method is suitable for a downlink system with multiple users and multiple eavesdropping nodes.

The invention discloses a phased array distributed hierarchical control wave control system and a wave beam control method, and relates to the technical field of signal processing, the wave control system comprises a main control FPGA module, a plurality of sub-control FPGA modules and a plurality of T / R wave beam forming modules; the master control FPGA module is used for receiving a user instruction and outputting a phase shift control instruction according to the user instruction; the plurality of sub-control FPGA modules are in interactive connection with the main control FPGA module, and the sub-control FPGA modules are used for receiving the phase shift control instruction and outputting a phase shift code according to the phase shift control instruction; the plurality of T / R beamforming modules are respectively connected with the sub-control FPGA module and the antenna unit, and the T / R beamforming modules are used for receiving the phase shift codes and performing phase adjustment on the antenna unit according to the phase shift codes, so that not only can beam switching be quickly realized, but also the layout and wiring of a wave control board can be simplified, and the cost is reduced. And meanwhile, the requirements on the resources and the performance of the single FPAG and the cost of a wave control system are effectively reduced.

The embodiment of the invention provides a radar signal processing system and method, and relates to the field of radar signal processing, the system comprises an antenna extension set and a channel signal processing and wave control extension set, the channel signal processing and wave control extension set comprises an integrated channel module, a signal sampling and baseband processing module, an information processing module and a wave beam control module, the antenna extension set is used for receiving an echo signal, obtaining a radio frequency signal based on the received echo signal and sending the radio frequency signal to the channel signal processing wave control extension set, the integrated channel module is used for processing the radio frequency signal to obtain a first signal, and the signal sampling and baseband processing module is used for processing the first signal to obtain a second signal and sending the second signal to the antenna extension set. The information processing module is used for processing the second signal to obtain a third signal, the beam control module is used for carrying out beam forming on the third signal to obtain a beam signal and sending the beam signal to the antenna extension set, and compared with an existing phased array radar system architecture, communication transmission delay is reduced.

A laser radar receiving lens and a system thereof relate to the technical field of optical design. The laser radar receiving lens provided by the utility model comprises an aperture diaphragm, a first lens with positive refractive power, a second lens with negative refractive power and a third lens with positive refractive power which are sequentially arranged along an optical axis from an object side to an image side, and at least one of six surfaces of the first lens, the second lens and the third lens is an aspheric surface. According to the laser radar receiving lens obtained through the design, the aperture diaphragm is arranged in front of the sides, close to the object plane, of the first lens, the second lens and the third lens, light beam control outside the laser radar receiving lens is facilitated while the compactness of the overall size of the lens is guaranteed, and then the signal-to-noise ratio and the imaging quality of a system are improved.

The invention relates to the technical field of satellite communication, and discloses a small phased-array antenna satellite terminal, which comprises a terminal main body, and the terminal main body comprises a receiving / transmitting array plane used for transmitting and receiving satellite signals; the beam forming and control module is connected with the receiving / transmitting array plane and is used for beam forming control, data processing and signal scheduling; the frequency conversion module is connected with the receiving / transmitting array plane and the T / R assembly and is used for performing down-conversion processing on the received signal and performing up-conversion processing on the transmitted signal so as to be matched with a satellite communication frequency band; and the T / R assembly is connected with the beam forming and control module and the frequency conversion module. The flexibility, the stability and the communication performance of the satellite terminal are remarkably improved through a miniaturized design and an integrated module. The multi-protocol support of the communication port and the internet access port enables the data transmission to be more efficient and reliable, and the high efficiency of the power supply module ensures the long-time stable operation. Accurate beam control and efficient signal processing are realized.

The invention discloses an RIS assisted multi-user communication beam forming optimization method based on KAN-SAC, and belongs to the field of reconfigurable intelligent surface assisted communication. According to the method, the scene of RIS-assisted multi-user multi-input single-output communication is considered, the KAN-SAC algorithm is utilized to optimize the active beam forming of the base station and the passive beam forming of the RIS, then the system performance is maximized under implicit channel state information (CSI), and complex and expensive explicit channel estimation is avoided. According to the method, complex nonlinear mapping is better expressed through two layers of KAN modules, a softmax approximate quantization mechanism is fused in action output, the blocking problem of discrete actions on gradient propagation is effectively relieved, the model can process continuous and discrete hybrid control at the same time, and the method is suitable for large-scale popularization and application. And the method is simultaneously adaptive to the continuous active beam control of the base station and the discrete phase selection of the RIS. According to the method, the joint optimization problem of active beam forming and passive beam forming can be effectively solved without depending on perfect or imperfect explicit channel estimation.

The present invention discloses a general-purpose low-profile active array antenna system, which includes an antenna module, a multi-functional structural frame, a power divider module, a beam control module, a radio frequency connector, and a low-frequency connector. The multi-functional structural frame includes at least two cavities, and the partition between the two cavities includes a plurality of radio frequency connection holes and a plurality of low-frequency connection holes. The antenna module is connected to one of the cavities, the power divider module and the beam control module are connected to the other cavity. The radio frequency connector is located in the radio frequency connection hole, and the radio frequency connector connects the antenna module and the power divider module. The low-frequency connector is located in the low-frequency connection hole, and the low-frequency connector connects the antenna module and the beam control module. The beneficial effects of the present invention are as follows: the system composition is simplified, which is beneficial to the generalization, serialization, and standardization design of modules, and is more conducive to the realization of low-cost design of active array antennas.

The invention relates to the technical field of ion implantation, and discloses a beam control optimization method for a low-energy large-beam ion implanter. According to the method, beam current and energy monitoring values are continuously collected through a sensor system, and beam state characterization indexes are generated through real-time processing; comparing the index with a preset range, and triggering an abnormal signal when the index exceeds the range; in an abnormal state, a beam position data set is collected in a fixed period, a position influence evaluation value is calculated, and if the evaluation value reaches or exceeds a threshold value, the state is marked as a high influence state; in a high influence state, extracting a time change trend quantity and a mode similarity quantity of a beam parameter, and calculating a correlation strength coefficient; and obtaining an adjustment factor according to the high influence state, multiplying the current beam current reference value by the adjustment factor to obtain an optimized beam position value, and executing position adjustment. The method achieves the dynamic monitoring and precise adjustment of the beam state, and improves the adaptability and stability of beam control.

An optical switch comprising: a set of first input ports. each first input port configured to transport an optical signal having at least one component frequency channel: a set of first output ports. each first output port configured to transport an optical signal having at least one component frequency channel: a first programmable deflection plane configured to deflect beams incident on it to form a first deflected array of beams: a second programmable deflection plane configured to deflect beams incident on it to form a second deflected array of beams: a first demultiplexer configured to separate light from the set of first input ports into its component frequency channels to form the beams incident on the first programmable deflection plane: a first multiplexer configured to combine the second deflected array of beams from the second programmable deflection plane into combined signals incident on the set of first output ports: and a beam steering optical element group configured to transfer the first deflected array of beams from the first programmable deflection plane to the beams incident on the second programmable deflection plane. The incidence normal of the first programmable

The invention relates to the technical field of communication, particularly discloses a phased array transmitting and receiving circuit and a transmitting control method, and brings double advantages of system structure simplification and performance improvement through highly integrated design of three core links of baseband, frequency conversion and beam control. In the aspect of the structure, the physical size of the circuit is obviously reduced, and the hardware complexity and the manufacturing cost are reduced. In addition, in terms of performance, signal loss and delay are effectively suppressed by shortening an internal signal transmission path. Furthermore, the same signal processing unit uniformly outputs the baseband signal and the beam control signal, so that accurate and low-delay synchronization between data processing and beam pointing adjustment is realized, and the inherent time sequence error of a discrete scheme is avoided.

The invention provides a self-adaptive light beam regulation and control system for laser precision machining. The self-adaptive light beam regulation and control system comprises a light source unit, a micro-mirror device, a two-stage zooming system and a control unit. The micro-mirror array is introduced into the field of laser precision welding, light beam regulation and shaping of incident light are achieved, self-adaptive light spots which are arbitrary in shape and size, uniform in light intensity distribution and adjustable in output power are output on the surface of a workpiece in combination with a two-stage zooming system, and the machining precision in the fields of laser tin soldering and the like is remarkably improved; meanwhile, the two-stage zooming system can flexibly regulate and control the illumination distribution of the light beams on the micro-reflector array and the spot size of the light beams on the surface of the workpiece, the light energy utilization rate is effectively improved, and the power density consistency of the surface of the workpiece is guaranteed through combined regulation and control of the two-stage zooming system so that the better welding effect can be achieved.

The invention discloses a dual-frequency dual-polarization duplex phased array for multi-standard communication, aims to solve the technical bottleneck of the existing millimeter wave phased array in frequency band compatibility, polarization diversity and duplex operation, and comprises a millimeter wave broadband dual-polarization end-on-fire antenna and a dual-frequency dual-polarization duplex phased array architecture. According to the phased array established by the invention, four sets of independent beam forming systems are integrated on a single printed circuit board and correspond to a first frequency band vertical polarization channel, a first frequency band horizontal polarization channel, a second frequency band vertical polarization channel and a second frequency band horizontal polarization channel respectively, and concurrent transmission and independent beam control of dual-frequency-band and dual-polarization signals are supported. The phased array realizes two-dimensional expandability based on a brick-shaped framework, can be used for constructing a planar array, and is suitable for a large-scale deployment scene. The compact size and low-cost scheme provides a high-integration, high-flexibility and high-reliability communication solution for B5G / 6G multi-standard scenes such as intelligent transportation, industrial Internet of Things and smart home.

The invention discloses a centralized phased array beam control method and system based on an FPGA, and relates to the technical field of phased array beam control, and the method comprises the steps: carrying out the real-time iterative operation through an incremental adaptive correction kernel in a centralized control FPGA, and obtaining an amplitude-phase correction increment and a corresponding target effective frame number; performing increment differential coding on the amplitude-phase correction increment and the corresponding target effective frame number in a centralized control FPGA (Field Programmable Gate Array) to generate an increment differential beam control message; sending the increment difference beam control message to an array element FPGA (Field Programmable Gate Array) at the front end of an array, executing frame-level atom switching according to a target effective frame number, and fusing the amplitude-phase correction increment and a locally stored old beam control weight in the switching process to obtain a final array element beam control weight; generating a real-time beam control directional diagram based on the final array element beam control weight; the stability and convergence precision of beam control are improved, and the bandwidth requirement of a control link is reduced.

The invention discloses a high-flux electron beam quality cooperative control system and method, belongs to the technical field of electron beam control, and aims to solve the problems that the beam intensity and quality are difficult to consider, the subsystem collaboration is poor and the stability is insufficient. The cooperative control module is in communication connection with the sensing module and is used for receiving the state parameters, analyzing the state parameters based on a preset multi-target optimization algorithm and generating a cooperative control instruction, and the execution module is in communication connection with the cooperative control module and is used for receiving the cooperative control instruction and executing the cooperative control instruction according to the cooperative control instruction. Cooperative control of beam intensity and quality is realized. Through a multi-objective optimization algorithm, the limitation of traditional single parameter control is broken through, the beam intensity is larger than or equal to 100 mA, the emittance is smaller than or equal to 5 pi mm mrad and the energy dispersion is smaller than or equal to 0.5% can be achieved at the same time, and the technical problem that the beam intensity and the emittance are difficult to consider is solved.

The invention discloses cluster beam equipment, which relates to the technical field of cluster beams and comprises a working platform, and a cluster generation mechanism, a beam regulation and control mechanism, a beam screening mechanism and a deposition mechanism which are connected in sequence. The working platform is provided with a sliding rail and a sliding structure, so that all mechanisms can be flexibly positioned, disassembled and assembled. The cluster generation mechanism comprises an angle-adjustable condensation cavity, an adjustable nozzle and an ion funnel, so that accurate generation of clusters is realized; a conical sputter of the beam regulation and control mechanism separates non-scattering beams; the beam screening mechanism adapts to different quality screening requirements through an ion optical assembly and a multi-layer conductive polar plate quality selector; the deposition mechanism is provided with a full-degree-of-freedom manipulator, a magnetic driving rod and a telescopic mechanism, substrate installation and adjustment are conveniently completed, and the stability of the vacuum environment is guaranteed. The equipment solves the problems that existing equipment is inconvenient to adjust, complex to operate, insufficient in stability and the like, the assembling and debugging efficiency and adaptability are improved, and the equipment is suitable for material preparation in multiple fields.

A beam control method for the intelligent surface device includes obtaining, by a network side device, first channel information of an active unit of the intelligent surface device, where the first channel information is channel information between the network side device and the active unit; obtaining second channel information of the active unit, where the second channel information is channel information between a terminal and the active unit; and determining control information of a unit array of the intelligent surface device based on the first channel information and the second channel information, where the unit array includes the active unit and a passive unit of the intelligent surface device.

An apparatus is provided which comprises at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to: receive a carrier wave transmission modulated by an ambient internet of things device in an ambient internet of things session, determine whether a received power of the carrier wave transmission is below a predetermined threshold; and in response to determination that the received power is below the predetermined threshold, prepare a notification requesting to control at least one carrier wave transmission characteristic such that the received power is increased, and transmit the notification to a carrier wave provider transmitting the carrier wave transmission or to a session control unit controlling the ambient internet of things session.

The invention provides a handheld laser-electric arc double-heat-source welding gun and a control method thereof. The handheld laser-electric arc double-heat-source welding gun is composed of a handheld component, a light beam control component, a focusing transmission sleeve and an electric arc welding gun sleeve. A laser optical fiber and an argon arc welding water electric pipe are input through a handheld part, and the handheld part is cooled through cooling water and a protective gas channel in the handheld part; starting and stopping of the laser and electric arc double heat sources are synchronously controlled through a starting switch on the side face of the handheld component. A swing motor in the light beam control part is used for driving a reflecting mirror to reflect a laser beam to a focusing transmission sleeve, and the laser beam is focused by a focusing lens and then acts on a workpiece; the state of an electric arc welding straight copper pipe in the electric arc welding gun sleeve is adjusted, and the positions and angles of an electric arc welding gun head and a laser welding gun head are changed; through the water and electricity pipe, the protective gas pipe and the water return pipe, electric power supply, protective gas conveying and cooling circulation of electric arc welding are achieved; the method is used for achieving high-quality welding of medium and thick plates made of different materials.