36results about How to "Improve status detection efficiency" patented technology

The present invention relates to a method for dynamic user hybrid precoding of a millimeter wave system, comprising: obtaining channel state information of each user, and storing the channel state information of adjacent time slots of each user in a storage unit; according to the stored channel state information, to obtain the optimal propagation path for each user; to judge whether the optimal propagation path is a direct path, to obtain the judgment result of each user; to obtain the state of each user according to the judgment result; Coding matrix; design the user's digital precoding matrix according to the analog precoding matrix; perform data transmission according to the analog precoding matrix and the digital precoding matrix. The method of the present invention can obtain the state of each user only by comparing and judging the channel state information of adjacent time slots of the user, which improves the efficiency of user state detection and reduces the complexity of detection, and according to the detected real-time state of the user , an adaptive hybrid precoding method is proposed.

The present application relates to a detection method, device, computer equipment and storage medium for a power supply vehicle. The method includes: obtaining several current state parameters of the vehicle; comparing each state parameter with a plurality of preset parameters one by one to obtain a plurality of comparison values; detecting the comparison value, when the comparison value is less than or equal to the first preset threshold, And when the sum of each comparison value is less than or equal to the second preset threshold, the first status information is output; when the comparison value is greater than the first preset threshold and less than or equal to the third preset threshold, and the sum of each comparison value is greater than the second When the preset threshold is reached, the second state information is output; when the comparison value is greater than the third preset threshold and less than or equal to the fourth preset threshold, the third state information is output. By obtaining the state parameters of the vehicle, comparing the state parameters with the preset parameters, and then judging and outputting different states of the vehicle according to the comparison value obtained by the comparison, the rapid detection of the vehicle state is realized, and the state detection efficiency of the power supply vehicle is effectively improved.

The present application provides a method and a processor for detecting a bidirectional forwarding path detection session state. The processor includes a control core and a forwarding core; the control core obtains the timeout period agreed upon by the established BFD session between the first and second network devices and outputs it to the forwarding core; the forwarding core bases on the timeout period and the time period for generating a timing interrupt command , in the virtual linked list, determine the first timing node carried by the timer corresponding to the BFD session, the virtual linked list structure represents a timing interrupt instruction, and each timing node constituting the virtual linked list carries at least one timer, each timer and The established BFD sessions have one-to-one correspondence, and the time step between adjacent timing nodes is the duration of generating a timing interrupt instruction; the forwarding core is also used to, when a timing interrupt instruction is generated, send the corresponding timing node to the timing interrupt instruction. The BFD session corresponding to the carried timer performs state detection. In this way, the efficiency of BFD session state detection can be improved.

The invention discloses a video state detection and checking method. The video request information is fully considered, and time-frequency access analysis is carried out on the video channel, so thatthe checking and classification of the video channel can be realized. On the basis that the network bandwidth of a video integration unit is acquired, the checked video channel is pre-estimated, the video state detection efficiency is effectively improved, and network bandwidth occupation caused by circulation polling of all video points is avoided; meanwhile, all operations can be subjected to data synchronization on the video platform side and remote operation and maintenance, when there is a problem, operation and maintenance personnel can be arranged to precisely locate the faulty video channel, and the operation and maintenance efficiency can be effectively improved.

The invention discloses a magnetron state detection method, device and equipment. The method comprises steps that according to set sampling frequency, an anode current of a magnetron is acquired; based on data points of the acquired anode current, envelope of the anode current is drafted; according to the envelope, a state of the magnetron is detected. The method is advantaged in that the state ofthe magnetron can be determined according to envelope waveform of one sample period, and state detection efficiency is substantially improved.

The invention discloses a switch state detection circuit, an over-phase separation device, a detection method and a control method. The detection circuit includes more than two voltage detection modules, and each voltage detection module is correspondingly connected to two ends of a thyristor valve group for Detect the voltage state of the thyristor valve group, wherein at least one voltage detection module is configured to detect the forward voltage state of the thyristor valve group, and at least one voltage detection module is configured to detect the reverse voltage state of the thyristor valve group; the excessive phase Each phase change switch in the device is connected with a voltage detection module; the detection method is to realize the detection of the off state of the phase change switch; the control method controls the phase change by detecting the off state of the phase change switch. The invention realizes simple structure, low cost, and can simultaneously detect the forward and reverse voltage states of the thyristor in the commutation switch, realizes fast and accurate detection of the off state of the commutation switch, and reduces commutation time.

The invention discloses a parking space detection method. When it is determined that a vehicle has entered the detection area, the incoming image is collected. When the vehicle stays for more than a certain period of time, it is continuously detected within the time period that the identified vehicle features appear in the same position or stay in the template matching box. When the time exceeds a certain period of time, the stop image is collected, and the departure image is collected when the distance of the recognized vehicle feature displacement exceeds the preset distance threshold or the area of ​​the frame difference in the detection area exceeds the preset area threshold, and it is judged whether the vehicle feature is It is close to the position in the staying image, and the parking space is set as an empty parking space according to the judgment result, or the leaving image is updated according to the current collected image in the detection area. Therefore, under the premise of reducing the amount of equipment maintenance, the detection efficiency of the parking space state is improved.

The invention discloses a method for detection of an RP state in a multicast network, a device, an RP device and a multicast system. The method comprises the following steps: sending a detection message with a sequential identity to an RP to be detected according to a preset sending frequency; and determining whether the RP to be detected fails or changes according to the continuity of the identity carried in a response message sent back from the RP to be detected. The device comprises a message sending module and a failure detection module. The system comprises a detection device and at least one RP device. Since the detection message with the sequential identity is sent to the RP to be detected according to the preset frequency, and the RP state is determined according to the real-time response of the RP to be detected, the embodiment of the invention can realize the rapid and accurate detection of the RP state, thereby effectively improving the convergence of the whole multicast network and enhancing the accuracy and reliability of data message transmission in the multicast network.