629 results about "Bidirectional transmission" patented technology

The invention relates to the technical field of synchronization in data communication, and provides a PTP protocol-based chip-level hardware timestamp generation method and system, and the method comprises the steps: 1, receiving a synchronization message and a delay request message from a main clock, carrying out the evaluation of a physical layer signal, and recording a first hardware timestamp; 2, responding to the received delay request message, generating and sending a delay response message, acquiring bidirectional transmission delay data by exchanging the delay request and the delay response message, and calculating clock skew in combination with the first hardware timestamp and the bidirectional transmission delay data; 3, adjusting the local clock frequency according to the clock skew; 4, after the synchronization is completed, associating the second hardware timestamp with the corresponding data message, and storing the associated data in a buffer area in the chip; and 5, generating standardized timestamp information, and outputting the standardized timestamp information through a chip interface. And high-precision time synchronization and timestamp generation are realized.

The invention provides a two-wheeled electric vehicle control system and method, and the system comprises a user side control platform which is used for detecting the operation of a user on a reverse turning handle, and generating a corresponding control instruction according to the pre-configured function setting; the communication module is used for bidirectionally transmitting instruction signals and vehicle state information in real time between the user end control platform and the vehicle end control system; and the vehicle end control system is used for receiving and analyzing the control instruction, judging the running or static state of the vehicle, executing kinetic energy recovery braking or driving mode switching in the running state, executing a reversing function or a self-defining function in the static state, and feeding back a vehicle execution result or vehicle state information through the communication module. The technical problems that in the prior art, the control function of a control terminal is single, the operation mode is not convenient enough, and the integration degree of the control terminal and vehicle functions is low are at least solved.

The invention discloses a distributed energy system source load coordinated optimization method based on a quasi-potential game method, and the method comprises the steps: constructing a distributed energy system model, inputting system parameters, and predicting renewable energy power generation and initial load demands. In a source side optimization stage, a leader layer potential function of a quasi-potential game is established by taking minimization of source side cost # imgabs0 # as a target, and an initial power generation plan is generated by comprehensively considering economical efficiency and carbon emission constraints; and then, based on a scheduling result, calculating a carbon potential epsilon t of each node and a dynamic carbon emission factor # imgabs1 # of each stage, optimizing a load side response based on an LCDR scheme, constructing a local potential function of a follower layer, reflecting a relationship between a user profit maximization target and carbon emission, and adjusting user behaviors through a distributed decision. And the updated load demand is fed back to the source side, and the source side optimizes the output plan of each unit based on the updated load, so that an iterative process of source side potential function optimization-load side equilibrium response is formed, and an optimal scheduling strategy and scheduling result of the energy supply side are obtained. According to the framework, the global consistency requirement of a traditional potential game is relaxed, independent optimization of source-load two sides under the guidance of respective potential functions is allowed, and a Nash equilibrium state is finally achieved only by ensuring monotonous convergence of total potential energy of a system in an iteration process. According to the method, the convergence advantage of the potential game is reserved, the method is also adapted to the characteristics of a source-load heterogeneous decision subject, efficient consumption of renewable energy and collaborative optimization of carbon emission are realized through bidirectional transmission of the carbon potential signal, and the overall efficiency of the system is remarkably improved.

The invention discloses an interlocking remote control system based on a low-voltage power distribution cabinet. The interlocking remote control system comprises a data acquisition module for acquiring operation data of the power distribution cabinet in real time; the edge calculation unit is used for data preprocessing, interlocking logic calculation and anomaly detection; the interlocking control execution module is used for receiving a control signal of the edge computing unit and realizing protective disconnection and restart of the equipment; the communication module supports two-way transmission of data in the data acquisition module, the edge computing unit and the cloud; the interlocking remote control method based on the low-voltage power distribution cabinet comprises the following steps: S1, system architecture design; s2, data acquisition and preprocessing; s3, constructing a self-adaptive interlocking logic control algorithm; s4, edge calculation and cloud collaboration; and S5, verifying and optimizing system functions. According to the invention, the health state of the equipment can be monitored, faults can be rapidly identified, the equipment is protected through an interlocking control mechanism, the operation efficiency of the low-voltage power distribution cabinet is effectively improved, the equipment safety is improved, faults are reduced, and the maintenance cost is reduced.

The invention discloses an MBSE-based aircraft undercarriage system model integration method, and belongs to the technical field of system engineering. The method comprises the following steps: constructing an aircraft undercarriage system architecture, a classification mapping of simulation design information and a GOPPRR-E element model, and a meta-model library; constructing an architecture model according to a demand-function-logic-physical process, and generating a Simulink simulation model according to the architecture; a simulation model semantic mapping rule is constructed according to an OSLC specification, and design information is analyzed to establish an integrated data model; and a Simulink simulation tool integration adapter is constructed, and a tool interoperation service based on Web is provided. According to the method, a multidisciplinary model can be accurately constructed, uniform expression of architecture and simulation models and semantic consistency of heterogeneous models are realized, two-way transmission of cross-domain information and interoperation between tools are supported, the problem of interoperation between architecture modeling and simulation modeling tools in aircraft undercarriage system design is effectively solved, and the design efficiency is improved.

The invention relates to the technical field of computational mechanics and geological disaster simulation, and discloses a full-process numerical simulation method suitable for simulating continuous medium damage to discontinuous medium movement. The invention provides a novel chain-type disaster simulation method for solving the problems that calculation efficiency and large deformation precision are difficult to consider at the same time and the evolution process of a slope from a continuum to a fragmented body cannot be dynamically reflected in the prior art. The core of the method is that a dynamic criterion is set based on a unit real-time damage variable, a failed finite element (FEM) unit is adaptively converted into smoothed particle hydrodynamics (SPH) particles, and the physical state of the particles is accurately mapped; and a virtual particle coupling algorithm is adopted to process a two-domain interface, so that bidirectional transmission of mechanical parameters is realized. The method is executed circularly, the whole process of'continuous deformation-fragmentation flow 'of the side slope is simulated dynamically, high-precision integrated simulation of a'seismic source-propagation-response-movement' disaster chain in the same frame is achieved, and an efficient tool is provided for disaster risk assessment and prevention and control.

The disclosure provides a method for improving the efficiency of a micro-inverter, and a dual-active-bridge-type micro-inverter. The method including: performing power modulation mode switching of a dual-active-bridge-type micro-inverter, such that the power is bi-directionally transmitted from a direct-current side to an alternating-current side and from the alternating-current side to the direct-current side, thereby reducing an effective value of a secondary side current of a transformer; and according to the modulation mode switching characteristic of the dual-active-bridge-type micro-inverter within a power frequency period, performing hybrid optimization on the turn ratio of a primary side to a secondary side and a transformer leakage inductance of a high-frequency transformer of the dual-active-bridge-type micro-inverter.

The invention discloses a multi-specification robot palletizer autonomous palletizing method and system based on digital twinning, and the method comprises the steps: building a robot palletizer twinning model, and building a digital twinning scene according to products, obstacles and surrounding environments in a robot palletizing operation production line; real space data are collected in real time, and a data real-time transmission channel is constructed; constructing a data storage layer for storing real space data and virtual space data; self-adaptive adjustment of stacking task points is carried out according to the planning requirements of the multi-specification products; training in a twin platform by using a deep reinforcement learning algorithm to obtain more training experience; and a planning result is transmitted to the entity palletizing robot to complete teaching point updating, and operation monitoring is conducted on the entity robot based on the virtual entity data two-way transmission technology and the virtual-real synchronization technology. By means of the method, autonomous planning of the palletizing robot for complex and diversified palletizing tasks can be achieved, and the method is suitable for continuously-changing production requirements.

The invention provides a composite current collector, a secondary battery and an electronic device, the composite current collector comprises a base film and a conductive layer arranged on at least one surface of the base film, the base film comprises at least one of a polypropylene film, a polyethylene film, a polyimide film or aramid fiber, the porosity of the base film is P1%, 30 < = P1 < = 80, the aperture of the base film is phi1nm, 200 < = phi1 < = 1000, and the thickness of the conductive layer is 0.1-0.5 mm. The porosity of the conductive layer is P2%, 10 < = P2 < = 75, the aperture of the conductive layer is phi 2nm, and 100 < = phi 2 < = 800. The composite current collector comprises the structure, the type, the porosity and the aperture of the base membrane and the porosity and the aperture of the conductive layer are within the range of the application, so that lithium ions can be bidirectionally transmitted, the transmission path of the lithium ions is shortened, and the rate capability of the secondary battery is favorably improved.

The invention relates to the technical field of underwater wireless charging, in particular to a coupling mechanism and system applied to underwater capture type docking wireless charging. The coupling mechanism comprises a connection end coupling mechanism and an aircraft end coupling mechanism. The connection end coupling mechanism comprises a connection end magnetic core and a connection end coil arranged on the outer side of the connection end magnetic core. The aircraft end coupling mechanism is of an opening and closing structure and comprises two aircraft end magnetic cores arranged symmetrically and two aircraft end coils arranged on the inner sides of the aircraft end magnetic cores. After the aircraft end coupling mechanism surrounds the outer side of the connection end coupling mechanism, the bidirectional electric energy transmission function can be achieved. According to the invention, docking between underwater vehicles of different sizes and the same connection node can be realized, so that the universality of the wireless charging system is improved; and two-way transmission of energy is achieved, and the requirements of diversified underwater operation are met.

The invention belongs to the technical field of high-frequency millimeter wave wireless communication, and discloses a high-frequency millimeter wave three-dimensional integrated antenna array based on an LTCC (Low Temperature Co-Fired Ceramic) process, which comprises a transition interface layer, a feed layer and a radiation layer which are sequentially stacked together from bottom to top, the radiation layer is provided with N step radiation resonant cavities which are mutually independent and face a free space and are in an inverted pyramid shape, the feed layer is provided with a first excitation module, a broadband H-face SIW power divider and a second excitation module which are communicated in sequence, and the transition interface layer is provided with a waveguide transition interface step resonant cavity which faces a metal waveguide and is in an inverted pyramid shape. The waveguide transition interface stepped resonant cavity is communicated with the first excitation module; the waveguide transition interface stepped resonant cavity, the first excitation module, the broadband H-plane SIW power divider, the second excitation module and the stepped radiation resonant cavity form a bidirectional transmission path of electromagnetic waves. According to the invention, broadband matching can be realized, high-order resonance in the cavity can be suppressed, and the antenna gain is higher.

The invention provides an emergency broadcast playing method and system for disasters in an outdoor scene, and relates to the technical field of emergency broadcasts, cameras in a region are adopted to monitor the evacuation state of personnel in the outdoor scene in real time, and an emergency broadcast system and a rescue system are triggered through the evacuation state to perform linkage, so that bidirectional information transmission is realized; and the priority of the broadcast content played by the emergency broadcast is adjusted according to different instruction information in bidirectional information transmission, so that the broadcast content has pertinence, and rescue workers can receive key instructions.

The utility model provides a bidirectional anti-backflow circuit, a protection chip and an adapter plate. The bidirectional anti-backflow circuit comprises at least one anti-backflow module, each anti-backflow module comprises two anti-backflow branches with the same circuit structure, and each anti-backflow branch comprises a first control circuit, an isolation circuit, an IO circuit and a second control circuit. Wherein the first end of the first control circuit of one anti-backflow branch is coupled with the first end of the second control circuit of the other anti-backflow branch to form a first IO node, and the first end of the second control circuit of the anti-backflow branch is coupled with the first end of the first control circuit of the other anti-backflow branch to form a second IO node; wherein the control end of the first control circuit and the control end of the second control circuit of one anti-backflow branch are both coupled with a first driving signal, and the control end of the first control circuit and the control end of the second control circuit of the other anti-backflow branch are both coupled with a second driving signal. According to the utility model, bidirectional transmission and isolation protection between chips can be realized with low cost.

The present invention involves method and system for contactless bidirectional transfer of power between DC source (3700) and rotor coils of electric motor-generator by simultaneous bimodal capacitive and inductive power transfer of high frequency power signals from resonators (3545) stationary with respect to the motor-generator stator to resonators (3585) on the motor-generator rotor according to an adjustable transfer mode ratio at a variable resonant power signal oscillation frequency. Power from DC source is converted into high frequency power signals by high frequency continuous auto-adjusting bimodal stator transmitter-receiver modules under control of systems controller (3572) and provided to corresponding one or more high frequency stator resonators. High frequency power signals received by high frequency rotor resonators are converted in corresponding high frequency auto-adjusting bimodal rotor transmitter-receiver modules to electrical signals to provide to drive circuitry of induction coils on rotor.

A power converter, includes: a first terminal, a second terminal, a third terminal and a fourth terminal; stored-energy-source terminals, to which a stored energy source can be connected; four inverter bridge branches, which are formed from semiconductor switching devices, the inverter bridge branches each having a center tap, each center tap being assigned to one of the terminals, and the inverter bridge branches being interconnected and controllable such that electrical energy can be transferred bidirectionally between the stored-energy-source terminals and the first terminal, the second terminal, the third terminal and / or the fourth terminal; and a control unit, which is designed to control the semiconductor switching devices of the inverter bridge branches.

The invention relates to the technical field of semiconductor detection, and discloses an ATE equipment high-speed AC signal calibration system and method, and the system comprises at least one FPGA module which is provided with a plurality of channels for bidirectional signal transmission; each PE module is correspondingly positioned on one channel of the FPGA and is used for receiving the driving signal output by the FPGA and an external input signal and sending a feedback signal to the FPGA module according to the driving signal; the signal calibration module is located in the FPGA and used for receiving the feedback signals and comparing time delays between the feedback signals input from different channels; the delay compensation module is positioned in the FPGA and is configured to adjust the time delay of each channel based on the comparison result of the signal calibration module so as to realize the synchronization of the signals of the plurality of channels; and when a plurality of FPGAs exist, the system also comprises a PLL module, and the PLL module is configured to provide synchronous clock signals with the same frequency and fixed phase to the plurality of FPGAs at the same time, so as to ensure that the internal clocks of the FPGAs are synchronous.

The invention provides a rapid data acquisition method based on fusion of intelligent number asking and an industrial connection technology, and the method comprises the steps: obtaining industrial protocols of a plurality of devices and configuration parameters corresponding to the devices, and generating an acquisition model of each device; generating a structural fingerprint for each acquisition model; performing matching degree analysis on the plurality of acquisition models through multi-modal similarity calculation on the basis of the structure fingerprint, screening the plurality of acquisition models according to a matching degree analysis result to perform uniqueness management, and performing association mapping on the equipment and the corresponding acquisition model to obtain a de-duplicated acquisition model; edge gateway configuration accurate issuing of the collection model after duplicate removal is realized through a two-way transmission channel, and consistency is guaranteed by combining real-time structure fingerprint return and matching degree analysis. Through the AI-driven process arrangement and semantic understanding technology, the modeling efficiency, the information consistency and the issuing capability of the data acquisition system are remarkably improved.

The present invention provides a non-contact optical fiber sensing system and method. The system includes a passive fiber Bragg grating sensor and an active demodulation analyzer. The passive fiber Bragg grating sensor includes an optical fiber and a fiber Bragg grating sensor connected in series on the optical fiber. The active demodulation analyzer includes a laser light source, an optical circulator, and a demodulation analyzer. One end of the passive fiber Bragg grating sensor is connected with a first fiber collimator. The active demodulation analyzer further includes a second fiber collimator and an alignment mechanism. The laser light source is connected to the first end of the optical circulator for outputting an optical signal. The optical fiber led out from the second end of the optical circulator is connected with the second fiber collimator. The second fiber collimator is used for non-contact alignment with the first fiber collimator under the adjustment of the alignment mechanism so as to transmit the optical signal bidirectionally. The demodulation analyzer is connected to the third end of the optical circulator. The present invention can expand the application scenarios of the optical fiber sensing system and save costs.

The invention discloses an aircraft remote control delay compensation response method and system, and the method comprises the steps: obtaining airborne data, and constructing a multi-source data set; calculating bidirectional transmission delay based on a bidirectional delay estimation algorithm, and calculating initial total delay; the initial total delay is dynamically calibrated by using a self-adaptive delay calibration algorithm, the confidence coefficient is evaluated, and the delay precision is improved; deducing a flight state in a delay time period by adopting a delay deduction hybrid model, and dynamically adjusting parameters along with load; according to the deduction result and the original instruction, generating a compensation instruction containing constraints by using a model prediction control algorithm; and executing the instruction after onboard verification, comparing the actual state with the expected state, and feeding back a deviation value to optimize the weight of the next-round model so as to form a closed-loop lifting mechanism. According to the method, the problems of incomplete delay composition analysis, poor environmental adaptability, lack of constraint collaboration of compensation instructions, no closed-loop optimization mechanism and the like in the existing aircraft remote control delay compensation are solved.

The invention provides an atypical MOPA fiber laser device integration device, system and method. The device comprises an optical resonant cavity, a first device group and a second device group, wherein the first device group comprises a first amplification stage gain optical fiber, a first reverse pumping beam combiner, a first pumping source and a first cladding light stripper, and the second device group comprises a second amplification stage gain optical fiber, a second reverse pumping beam combiner, a second pumping source and a second cladding light stripper; the optical resonant cavity is used for receiving the pump light transmitted by the first amplification stage gain optical fiber and the second amplification stage gain optical fiber, transmitting the pump light which is not absorbed to the second amplification stage gain optical fiber and the first amplification stage gain optical fiber, and generating signal light under the action of the absorbed pump light; and the signal light is transmitted to the first amplification stage gain fiber and the second amplification stage gain fiber in positive and negative directions. The device number and the manufacturing cost are remarkably reduced, the light-to-light conversion efficiency and the system reliability are improved, and meanwhile high-power beam combination and miniaturization integration are facilitated.

The invention provides a communication delay detection and control method for ship remote control, and the method comprises the steps: embedding a high-precision timestamp in a control instruction and a data packet through a shipborne 4G / 5G dual-mode communication module and a shore-based monitoring center, and transmitting the high-precision timestamp; two-way transmission delay of the ship-shore communication link is measured based on the embedded timestamp, and the packet loss rate in a preset time window is counted; on the basis of historical delay data, a dynamic moving average method is combined with an adaptive Kalman filtering algorithm to predict a delay change trend in a future short period; judging the current communication state according to the bidirectional transmission delay, the packet loss rate and the predicted delay change trend; a sending strategy of the control instruction is adaptively adjusted according to the judgment result, or the ship-borne local intelligent controller is switched to execute autonomous risk avoiding control; an improved clock synchronization protocol is adopted regularly to calibrate a ship-shore clock, and timestamp synchronization precision is ensured. Through the synergistic effect of ship-shore clock synchronization optimization, instruction verification sequencing and other modules.

The invention relates to the field of data transmission, and provides a time series data cross-gatekeeper two-way transmission method, device and equipment, and the method comprises the steps: configuring an Internet of Things database cluster and an isolation gatekeeper, and determining a configuration result; according to the configuration result, the sending end is started to package the time sequence data, a data packet containing redundancy check information is generated, and the redundancy check information comprises a double-length field and a check code; transmitting the packaged data packet to a receiving end through an isolation gatekeeper; after the receiving end receives the data packet, verifying the dual-length field and the check code, if the verification is passed, returning a success signal, otherwise, returning a failure signal; and if the sending end receives the failure signal, automatically retransmitting the data packet until a successful signal is received or a preset retry condition is met. The problem that in the prior art, cross-gatekeeper time sequence data transmission cannot meet the requirements for high safety and real-time performance at the same time is solved, and safe and reliable time sequence data two-way real-time transmission under the strict network isolation condition is achieved.

The invention provides an intelligent control method and system for a body-equipped robot based on man-machine interaction data, and relates to the technical field of medical robots, and the method comprises the steps: building a 5G network two-way transmission channel between a control end and a surgical robot end; through a 5G network two-way transmission channel, synchronously transmitting two types of data streams between the control end and the surgical robot end, namely a control instruction data stream generated by the control end and a surgical image data stream collected by the surgical robot end; in the transmission process of the two types of data streams, real-time network time delay is continuously monitored, whether the current network time delay exceeds a preset time delay threshold value or not is judged, and the preset time delay threshold value can be dynamically corrected according to the network state; and when it is judged that the current network delay exceeds the preset delay threshold, dynamically deploying a plurality of network probes on the 5G network two-way transmission channel. According to the invention, the real-time performance, the accuracy and the safety of the remote operation can be ensured.

The invention discloses a multidirectional tray logistics conveying mechanism, and belongs to the technical field of logistics conveying. Comprising a rotating platform, a fixed circular plate is slidably connected to the outer side wall of the rotating platform, a plurality of supporting tables are fixedly connected to the outer side wall of the fixed circular plate, and a supporting column is fixedly connected to the center of the lower surface of the rotating platform; the rotatable rotating platform is arranged, the supporting tables with the second conveying devices are arranged on the outer side of the rotatable rotating platform, the limitation of one-way or two-way conveying of traditional tray conveying equipment is successfully broken through, and the rotating platform can be driven by the first motor to flexibly rotate in the face of complex warehouse layout or multi-process production processes; and the first conveying device is in butt joint with the second conveying devices in different directions, so that the trays are transferred in multiple directions, the flexibility of logistics route planning is greatly improved, the storage space is more fully utilized, and the problem of space waste caused by direction limitation of traditional equipment is effectively solved.

The invention relates to the technical field of non-cutting machining of metal plates, in particular to a bending integrated forming device and method for aluminum veneers, and the bending integrated forming device for the aluminum veneers comprises a workbench, a portal frame, bending modules with adjustable intervals, a bending structure, a rotating structure and an adsorption structure. The bending structure comprises a trapezoidal bending plate, a second bending plate and a first bending plate, and three-stage bending is achieved through synchronous movement driven by a bidirectional transmission mechanism. The rotating structure comprises a hollow rotating disc and a one-way bearing and is used for turning the plate by 90 degrees. The adsorption structure fixes a plate through a vacuum generation device; the forming method comprises the steps of plate placing and positioning, bending module pressing, negative pressure adsorption, multi-stage bending execution, module splitting and resetting, steering control and remaining edge bending. According to the scheme, multi-direction integrated bending of the aluminum veneer can be efficiently completed, grooving is avoided, and the product precision and strength are improved.

An arrangement is for increasing the range of an electrically driven vehicle combination. The arrangement includes a power adaptation and charging control unit for bidirectionally transmitting voltage between a first high-voltage battery of a towing vehicle of the vehicle combination and a second high-voltage battery of a trailer of the vehicle combination.

A bidirectional power supply apparatus includes: an alternating current input port for inputting an alternating current to the bidirectional power supply apparatus; an alternating current output port for outputting the alternating current to an alternating current device; a direct current input or output port for transmitting a direct current between the bidirectional power supply apparatus and a direct current device bidirectionally; a bidirectional energy conversion module for performing multiple energy conversions on electrical energy inputted to the bidirectional power supply apparatus; and a power management module electrically connected to the alternating current input port, the alternating current output port, and the direct current input or output port. The power management module is configured to control an energy conversion manner of the bidirectional energy conversion module according to a port connection status of the alternating current input port, the alternating current output port, or the direct current input or output port.

The invention discloses a system for realizing multichannel data two-way transmission. The system comprises a data interface module, a multichannel transmission module, a data cache management module and a PCIe transmission module which are sequentially connected according to a data transmission direction, the data interface module receives data of external terminal equipment and transmits the data to the multi-channel transmission module; the multi-channel transmission module collects data of a data interface, transmits the data through a plurality of transmission channels, arbitrates according to priorities of the plurality of transmission channels, and outputs the data to the data caching module; transmitting the data to a data interface according to the channel identifier; the data caching module receives and caches the data, manages a caching space according to the channel identifier, and transmits the data to the multi-channel transmission module; the PCIe transmission module transmits the data to the PC, receives the data transmitted by the PC and transmits the data to the data caching module. Through a multi-channel data transmission structure and management of a cache address, data transmission has extremely high expandability.

The invention belongs to the technical field of clock synchronization, and provides a clock synchronization device and a clock synchronization method of a distributed system. Wherein the distributed system comprises a master node and a plurality of slave nodes, the master node and the slave nodes are in two-way communication, and the clock synchronization device comprises a single-core optical cable, an optical switch and a double-frequency-mixing phase discriminator and is used for connecting the master node and the slave nodes; the optical switch is switched between a communication mode and a short circuit mode; when the optical switch is in a communication mode, the single-core optical cable is connected with the master node for transmitting and the slave node for receiving, or is connected with the slave node for transmitting and the master node for receiving; when the optical switch is in a short-circuit mode, the single-core optical cable is connected with transceiving of the master node or transceiving of the slave node; and the dual-mixing phase discriminator is used for measuring the phase difference between the local clock and the received data recovery clock. According to the invention, respective transmit-receive delays of the master and slave nodes and bidirectional transmission delays between the master and slave nodes can be obtained, the clock difference can be conveniently obtained according to the unidirectional transmission delays, and the synchronization precision is improved.

A horizontal double-ball quasi-optical cavity testing device for measuring the electromagnetic performance of a thin film material relates to the field of electromagnetic characteristic parameter testing, in particular to a quasi-optical cavity method testing system, and comprises a vector network analyzer (1), a frequency doubling module (2), a waveguide (3), a quasi-optical cavity (4), a sample clamp (5), a bidirectional transmission screw rod (6), a shielding frame (7), a displacement platform (8), a base (9) and a supporting block (10). The quasi-optical cavity (4) is of a double-spherical-cavity structure, is connected with the vector network analyzer (1) in a horizontal manner, and tests a sample by utilizing a resonance method; the sample clamp (5) adjusts the position of the sample by using a displacement platform (8); the shielding frame (7) can restrain miscellaneous molds, and the restraining effect is adjusted through the two-way transmission lead screw (6). The device has the advantages that the double-ball-cavity sensitivity is high, and the device is suitable for thin-film material testing; the horizontal structure is beneficial to connection of the vector network analyzer and the quasi-optical cavity; the double-ball cavity can measure the electromagnetic performance of the thin film material according to different odd and even modes.