21results about How to "Increase delay" patented technology

The application discloses a kind of detection methods of automatically replacing photoresist.The prior art is overcome by the present application, which has the problems of complex process flow, tedious steps and easy to cause abnormal coating due to errors in manual replacement of photoresist bottles.The application comprises the following steps:S1: simultaneously monitor the presence or absence of photoresist in the glue discharge pipe and buffer, determine whether to replace the photoresist bottle alarm prompt, and automatically replace the photoresist bottle operation;S2: simultaneously open the air inlet valve and exhaust bubble valve, when the pressure gauge detects that the air pressure in the photoresist bottle is greater than a certain threshold, start automatic glue supplement;S3: simultaneously monitor the presence or absence of photoresist below the glue discharge pipe, buffer and exhaust bubble valve in real time, to determine whether the buffer is filled with photoresist, close the air inlet valve and exhaust bubble valve, and complete the automatic glue supplement.By simultaneous linkage monitoring of multiple sensors in multiple positions, the replacement of photoresist bottles is automatically completed, reducing labor costs, avoiding human errors, and ensuring the quality of the process flow.

The invention discloses a simulation test system and method for a vehicle control HIL rack, and relates to the technical field of vehicle simulation test. The simulation test system for the vehicle control HIL rack comprises a scene dynamics simulation module, the scene dynamics simulation module is in communication connection with a cluster control module and a scene display module, the cluster control module is in communication connection with a vehicle control HIL rack module, and the scene display module is in communication connection with the scene display module. The scene display module is in communication connection with the graphic workstation module and the vehicle control HIL rack module, and the graphic workstation module is in communication connection with the vehicle control HIL rack module. According to the invention, the problems that in an actual test, a complex driving environment and an emergency need a higher simulation capability, which proposes a higher requirement for the real-time performance and the processing capability of the system, and the data synchronization and transmission mode in the system is not described in detail are solved.

The embodiment of the invention discloses an equipment control method and device and an ad hoc network system, and the method comprises the steps: setting a plurality of semantic tags for node equipment of an ad hoc network from a plurality of different dimensions, embedding a target node equipment tag group in equipment control information when scene control or group control is carried out, and carrying out the scene control or group control. And positioning the target node equipment needing to be controlled by using the target node equipment label group, and sending the equipment control information in the ad hoc network in a broadcast mode. And meanwhile, each node device matches and judges whether a target node device exists or not based on a semantic tag of the node device and a target node device tag group by broadcasting the received device control information, and executes an action instruction in the device control information when judging that the node device is the target node device. Thus, scene control or group control can be realized in a low-latency manner without controlling a command or address translation of the gateway device.

The invention relates to the technical field of computers, and particularly provides a data forwarding method and device, equipment, a medium and a product. In the disclosure, based on a queue depth mapping relationship, screening is performed from a plurality of ridge switches to obtain a candidate set of the ridge switches, and the queue depth mapping relationship is used for representing a relationship between an internal queue of each output port connected with the ridge switches and a queue depth; determining a data packet forwarding sequence based on the priority group of each data packet in the target forwarding stream; and receiving each data packet forwarded by a ridge switch in the candidate set based on the data packet forwarding sequence, the ridge switch being used for receiving each data packet from the first leaf switch. The ridge switches are screened through the real-time queue depth mapping relation between the blade ridge switches, the number of single-flow peer-to-peer transmission paths is limited, and the transmission paths are selected. Therefore, the disorder depth of the receiving end can be reduced, and the disorder rearrangement pressure of the end side can be relieved. Therefore, the data transmission efficiency can be improved.

The application discloses a commodity auction method and system based on multi-terminal real-time live bidding dynamic scheduling, and belongs to the technical field of Internet live broadcast and electronic commerce, and comprises the following contents: receiving multi-terminal login and live room creation requests, completing double authentication, and generating session tokens and live room identifiers; encoding live video streams and embedding absolute time stamps; collecting user bidding related data; jointly and dynamically scheduling bandwidth, bidding seats and message push priorities; then completing bidding compliance verification, and adopting a non-deterministic snapshot mechanism, resetting the countdown time with a random time length to prevent time delay and interception behaviors; finally, generating an order after the auction ends, synchronously writing log data into a multi-node storage cluster in a remote place, and pushing the transaction announcement to all terminals. The application adopts the above method, improves the system concurrent processing capability, guarantees multi-terminal time sequence synchronization and bidding fairness, simultaneously realizes transaction data traceability, and significantly improves the overall use experience and operation stability.

The invention relates to the technical field of wireless communication, and discloses an air-sea cross-domain communication network routing method, which combines the characteristics of an overwater radio network and an underwater acoustic network, designs a routing mechanism based on a two-hop neighbor table by cooperating with air, water and underwater nodes, effectively solves the problem of routing voids, and improves the communication efficiency. The method comprises a neighbor discovery part and a routing strategy part, wherein the neighbor discovery part maintains a two-hop neighbor table of a node through a periodic HELLO message and a timer mechanism; a routing strategy is designed for an underwater acoustic network, a water radio network and a cross-domain communication scene, and efficient and reliable data transmission is realized by adopting priority ranking and a multi-hop transmission mechanism. According to the air-sea cross-domain communication network routing method provided by the invention, the end-to-end communication time delay is remarkably reduced, the robustness and the transmission efficiency of the network are improved, and a low-time-delay and high-reliability routing solution is provided for the air-sea cross-domain communication network.

This invention discloses a multimodal spatial interaction head-mounted system and method for clinical nursing, comprising the following modules: A) a management platform; B) an indoor positioning and wireless communication base station, wherein the indoor positioning and wireless communication base station includes an ultra-wideband (UWB) positioning module and a positioning QR code; C) a nursing workstation, wherein the nursing workstation includes a data terminal, which includes an EHR / HIS integration module, a workflow configuration interface, and a device IoT gateway; and D) a head-mounted glasses terminal. This invention achieves high-precision spatial anchoring through hierarchical fusion positioning of UWB and visual SLAM, introduces multimodal aseptic interaction logic supporting emergency coverage commands to adapt to clinical practice, and innovatively adopts a dynamic privacy rendering and bystander detection mechanism based on the line-of-sight cone, effectively resolving the contradiction between information visualization, aseptic operation standards, and patient privacy protection in clinical nursing.

This invention relates to the field of humanoid robot intelligent control technology, and more particularly to a humanoid robot interactive control system and method based on a communication module. It obtains a real-time network score representing the current network quality through a network evaluation module, then predicts a predicted network score representing the future network quality through a network prediction module, and classifies each interactive control command by combining the two scores through an instruction interaction module. Finally, an instruction processing module performs differentiated processing on the different categories of interactive control commands. This invention combines a command classification mechanism based on real-time and predicted dual-dimensional network scores, ensuring that the same command obtains a classification result matching its actual needs in different network environments. Furthermore, it incorporates a differentiated processing strategy based on the classification results using a local lightweight model, thus solving the problem that existing cloud-based humanoid robot control methods cannot guarantee real-time performance under fluctuating network quality conditions.

The application discloses a dual-mode reduction operation system and method for lattice-based cryptography hardware acceleration, and relates to the technical field of cryptography and information security. The system comprises a routing control unit, which is used for receiving intermediate result data generated in a lattice-based cryptography algorithm operation process, and generating corresponding routing control signals according to the operation type of the intermediate result data, and outputting the intermediate result data and the routing control signals to corresponding data output ends; a first modular reduction operation unit, which is used for executing Montgomery reduction operation based on a prime number condition on corresponding intermediate result data when receiving a routing control signal of modular multiplication operation; and a second modular reduction operation unit, which is used for executing Barrett reduction operation with 2 as a base on corresponding intermediate result data when receiving a routing control signal of modular addition operation. The application can optimize the implementation performance of the algorithm without affecting the security, and is suitable for various software and hardware environments.

The application relates to the field of communication technology and discloses a network communication chip signal interference suppression processing method.The method comprises the following steps: collecting a local oscillator phase jitter sequence in real time through an on-chip phase noise monitoring unit; estimating a Doppler frequency shift and a channel coherence time based on the sequence; dynamically adjusting a phase-locked loop closed loop bandwidth; generating a phase compensation signal and jointly performing time-varying channel minimum mean square error equalization on the received baseband signal to eliminate inter-symbol interference.The system integrates five function modules of phase noise monitoring, channel parameter estimation, phase-locked loop bandwidth regulation, phase compensation generation and interference joint elimination.The application significantly reduces the bit error rate under high-speed movement through dynamic bandwidth reconstruction and high-precision phase compensation, meets the requirements of the 5G millimeter wave communication standard, and has the advantages of full-chip implementation, low delay and high robustness.

The application belongs to the technical field of image processing and underwater detection, and discloses an elongated target tracking and counting method, a system, a storage medium and an underwater submersible. The method comprises real sonar video stream acquisition and adaptive filtering pretreatment, elongated target geometric skeleton dimension reduction and center point-direction joint representation, anti-deformation data association based on spatial and directional consistency, global trajectory fragment merging based on spatiotemporal and motion consistency, and de-duplication verification and high-fidelity physical counting based on a trajectory duration cycle. The target is reduced to a geometric skeleton based on center point and direction joint modeling and trajectory consistency constraint, the matching failure problem caused by deformation is eliminated from the source, a trajectory-level post-processing mechanism is ingeniously introduced, the counting unit is upgraded to a complete trajectory, repeated counting of high-density elongated targets is effectively inhibited, the traditional intersection-over-union constraint is broken, the elongated target morphology is accurately fitted, and lightweight tracking and accurate counting of fragment trajectories in a high-density crowded scene are realized.

This utility model relates to the field of material transport equipment, specifically to a retractable mobile receiving hopper device. The mobile receiving hopper device is positioned above one end of a grain conveyor belt. It includes a retractable receiving hopper, a moving component, and a control component. The retractable receiving hopper includes a receiving base frame, with several retractable receiving frames sequentially nested from bottom to top. A lifting component is fixedly installed on the receiving base frame, and its output end is fixedly connected to the uppermost retractable receiving frame. The control component is electrically connected to both the moving component and the lifting component. This utility model's retractable receiving hopper can be extended to a suitable height according to actual needs, reducing grain spillage and alleviating the workload of workers repeatedly cleaning up spilled grain.

The application discloses a control bit generation method and device of an inverse butterfly network adopting a dynamic programming strategy, and solves the problem of poor flexibility of the control bit generation method of the inverse butterfly network in the prior art. The method comprises the following steps: obtaining preset data; determining the inverse butterfly network, the number of stages of the inverse butterfly network and the number of switching units in each stage of the inverse butterfly network according to the preset data; obtaining node extraction position information of a plurality of extraction nodes, a plurality of output nodes and a plurality of exclusive or operation results; traversing the inverse butterfly network, and calculating the switching position information corresponding to the plurality of extraction nodes in each stage; determining the exclusive or operation result corresponding to the extraction node; judging whether the exclusive or operation result is equal to a judgment value, if yes, setting the control bit of the switching unit position corresponding to the exclusive or operation result to 1, and saving the control bit in a control bit storage list; and the flexibility of generating the corresponding control bit algorithm of the inverse butterfly network according to the extraction demand is realized, and the efficiency is improved.

This invention provides a data transmission method and system for smart devices based on a 5G communication module. The data transmission method includes: real-time hierarchical processing of data packets to be transmitted according to a preset hierarchical strategy; real-time monitoring and acquisition of communication link status parameters, and prediction of the service quality change trend of each communication link within a short future time window based on historical status data using a time series prediction model; dynamic decision-making on the transmission path and transmission mode of single or batch data packets based on the priority of the data packets and the current and predicted communication link status, using a preset communication optimization strategy; encrypting the data packets using a data security strategy selected according to the priority and security requirement level of the data packets; and sending the encrypted data packets to a network edge node or cloud as the receiving end. This invention effectively ensures the low latency and high reliability transmission requirements of high-priority data, reducing overall energy consumption and traffic costs under 5G networks.

Methods and apparatuses for data transmission and reception are provided. The method includes: transmitting data scheduling control information by a network device to a terminal equipment; transmitting first indication information used for indicating one or more frequency-domain bandwidth resources by the network device to the terminal equipment; and receiving by the network device the uplink data transmitted by the terminal equipment. Hence, efficiency of utilization of spectral resources may be improved, transmission latency may be reduced, and flexibility of scheduling may be ensured.

The utility model discloses a reactor shutdown system and a reactor pressure vessel pressure stabilizing system. The reactor shutdown system comprises a reactor pressure vessel, a storage tank, a high-pressure gas cylinder group and a pipeline, a cadmium nitrate solution is stored in the storage tank; high-pressure nitrogen is stored in the high-pressure gas cylinder group; the high-pressure gas cylinder group, the storage tank and the reactor pressure vessel are sequentially communicated through a pipeline; according to the utility model, the cadmium nitrate solution in the storage tank is pushed into the reactor pressure vessel by using the high-pressure nitrogen in the high-pressure gas cylinder group, so as to realize shutdown of the reactor pressure vessel; a passive injection mode is adopted, so that the reliability of the system is improved, a reactor shutdown system can still be executed under the condition that a power supply is completely lost, the diversified requirements of the reactor shutdown system means are met, and the reliability of the system is improved; a novel injection material is used, existing pipelines in the system are utilized, a large number of devices are reduced, and the requirement for spatial arrangement is reduced.

The invention relates to an intelligent alignment compensation method for assembly of a liquid crystal panel and a backlight module, and aims to solve the problems of dynamic pose deviation and weight mismatch caused by material batch difference, nonlinear deformation and environmental factors in a high-precision fitting process. According to the core technology, an industrial camera array and a multi-source sensor are used for collecting multi-dimensional micro texture and environment data, a fingerprint spectrum of intrinsic deformation characteristics of a material is established in a fusion mode, spectrum matching and weight self-adaptive calibration are carried out in combination with real-time working conditions and visual feedback, and six-degree-of-freedom micro dynamic correction is achieved through FPGA acceleration driving control. According to the scheme, the sub-pixel-level precision in the attaching process of the liquid crystal panel and the backlight module is effectively improved, the nonlinear deformation trend of materials is restrained, the control instruction response speed is optimized, continuous and accurate calibration of self-adaptive compensation weights among batches is guaranteed, and the process consistency and the automation level are improved.

The application provides a non-coherent demodulation method, device and equipment of a SOQPSK-A signal and a medium, comprising: receiving a signal, and performing differential phase detection on the original signal after matched filtering through the relative phase difference between two adjacent modulation symbols; constructing an extended state transition grid in the differential phase space through a 3-bit differential Viterbi algorithm, calculating branch metrics according to the extended state transition grid, recursively updating path metric values according to the branch metrics of the current state and the path metrics of the previous state time to determine a surviving path, and obtaining an optimal path through Viterbi path search; and segmenting and backtracking demodulation is performed on the optimal path through an overlapping window backtracking mechanism to output a demodulation result. The application reduces the problem of inconsistent path directions caused by phase ambiguity of the window boundary in the backtracking process, and can realize real-time demodulation of a low-delay and high-performance SOQPSK-A signal.

The application discloses a kind of wideband delay lines based on comb-like substrate integrated waveguide, belong to microwave passive device and wideband delay line technical field.The delay line includes rectangular dielectric substrate (1), metal layer (2), input impedance matching structure (3), output impedance matching structure (4), multiple groups of periodic open stub (5) being attached to the both sides of upper surface metal layer, and periodic PBG slow wave unit (6) being loaded in upper metal layer.The application is set on the basis of comb-like substrate integrated waveguide structure periodic PBG slow wave unit, utilizes the slow wave characteristics of periodic PBG slow wave unit to realize delay function.Periodic PBG slow wave unit is located between two sides periodic open stub, and is equidistant, mirror image symmetry along the direction of propagation.The application can realize planar waveguide transmission and slow wave delay without relying on sidewall metallization via, and is suitable for true time delay beam forming network, phased array feed network and wideband radio frequency front end.

The application discloses a high-precision low-power CORDIC algorithm and device, the high-precision low-power CORDIC algorithm comprises the following steps: mapping input angle to a preset angle interval to obtain a corresponding mapping angle and a mapping relationship; determining an iteration demarcation point according to a set output bit width; for large-angle rotation before the iteration demarcation point, an intermediate coordinate value is directly obtained by querying a pre-stored lookup table; for small-angle rotation after the iteration demarcation point, an interval merging iteration method is adopted, a plurality of continuous iterations are merged into one combined operation, and after at least one iteration merging operation, a final coordinate value corresponding to the mapping angle is obtained; and based on the mapping relationship, the final coordinate value is corrected to obtain a sine value and a cosine value corresponding to the original input angle. The application realizes comprehensive and significant improvement in calculation accuracy, power consumption and operation speed.

Provided in an embodiment of the present invention are a VoWiFi communication method and apparatus, an electronic device and a storage medium, relating to the technical field of communications, applied to a CPE, the method comprising: when a first terminal accesses a WiFi network generated by the CPE, sending authentication access information for the first terminal to an STWGF, the STWGF being located in a space node core network; under the condition that the uplink call data sent by the first terminal is received, forwarding the uplink call data to the STWGF; and under the condition that the downlink call data forwarded by the STWGF is received, forwarding the downlink call data to the first terminal. By applying the scheme provided by the embodiment of the invention, the terminal can carry out VoWiFi communication at a position which cannot be covered by the ground mobile communication base station.