32results about How to "Output delay is small" patented technology

The invention discloses a multi-channel video window overlapping display method, which comprises the following steps of: receiving video signals output and sent by multiple channels of videos, and acquiring display positions of the corresponding video signals; judging whether the multiple paths of video signals are overlapped or not according to the display positions of the video signals; selecting one of the images with the overlapping area to be overlapped with the video signal without the overlapping area to form an image to be rendered; and performing unified rendering on the obtained to-be-rendered images and projecting the to-be-rendered images to a display page for a user to watch. The invention further provides electronic equipment and a computer readable storage medium. Accordingto the multi-channel video window overlapping display method disclosed by the invention, the overlapping result can be displayed by combining the overlapped video inputs of the multi-channel display window together and then only performing output rendering once; the method disclosed by the invention has the advantages of higher processing speed and lower video output delay; the method can effectively solve the problem of abnormal display of the overlapping part of a high-resolution video window.

The device consists of cascade multiframe detection circuit for carry on sequence number locking detection, cascade sequence automatic regulation circuit for regulating reservoir sequence based on sequence number of each different reservior in cascade set to make it be in accordance with its sequence at transmission end, buffer zone for making zone as per sequence number of reservior and cascade multiframe, write control circuit for writing content in sequenced reservior to relevant buffer zone, read control repositioning and adaptive circuit for regulating frequency and plase of reservoir and read control circuit for reading out data from buffer zone to finalize restoration of cascade as per command of abovesaid circuit.

The invention discloses a distributed simulation method for a continuous control system in unit operation, and belongs to the technical field of computer simulation. The method comprises the following steps: firstly, dividing sub-models forming an initial system into two types namely straight-through models and non-straight-through models; secondly, splitting the initial system and deploying each split part on a separate simulation node to run to form a distributed simulation structure, wherein the straight-through model is prevented from being deployed on the separate simulation node during the splitting; finally, setting a simulation period in the distributed environment according to a calculated maximum simulation period. According to the method, the initial system is not required to be modified; data delay generated when the continuous control system in unit operation is converted into one in distributed operation due to the characteristics of parallel computation is reduced by the first two steps; the maximum simulation period is determined to enable the converted distributive system to keep the stability characteristic of the initial system; the data exchange frequency among all distributed simulation nodes is reduced to the greatest extent.

The invention provides a digital real-time simulation physical port device of a power system based on optical fiber communication. The port device comprises a machine case, a bottom plate, a power plate, a functional plate and a liquid crystal screen, wherein the bottom plate, the power plate, the functional plate and the liquid crystal screen are located in the machine case. The bottom plate is vertical to an upper panel and a lower panel of the machine case, the power plate and the functional plate are respectively fixed through insertion grooves formed in the upper panel of the machine case, the lower panel of the machine case and the bottom plate, and the liquid crystal screen is installed on a front panel of the machine case and is connected with the bottom plate through a PCI bus. The digital real-time simulation physical port device of the power system based on optical fiber communication has the advantages of being large in port scale, high in sampling accuracy, high in data processing speed, high in synchronization precision and the like, and can meet new test requirements.

The invention discloses a low-delay audio output method for an Android application on a Linux platform, and the method comprises the steps: determining an audio output mode through obtaining the type of an audio player adopted by the Android application in an Android compatible environment in a Linux system, and effectively reducing the processes involved by the Android application in an audio playing process through different output modes. According to the method, the data interaction between the processes is reduced, the audio output efficiency of the Android application is effectively improved, the output delay is reduced, and the user experience is improved.

The present invention discloses a target simulator real-time drive system based on a DVI interface of a graphics card. The system comprises: a DVI transmission interface, used for establishing a data communication with a graphic workstation and a target simulator; a synchronous transmission control module, used for sending a simulation start signal to a dynamic scene image simulation module based on a field frequency signal output by the DVI transmission interface, and establishing synchronous data transmission with the target simulator; and the dynamic scene image simulation module, used for performing simulation analysis on to-be-tested dynamic scene data acquired from an external device based on the simulation start signal, and storing simulation image data into a frame cache. The present invention further discloses a target simulator real-time drive method based on a DVI interface of a graphics card. The technical scheme provided by the present invention shortens radiation scene output delay, ensures delay stability and thus greatly improves confidence of semi-physical dynamic scene simulation.

The invention discloses an oil tank oil level sensing mechanism and a sensor using the oil tank oil level sensing mechanism. The oil tank oil level sensing mechanism comprises a signal circuit moduleand a moving module which perform mutual induction. The signal circuit module comprises a circuit board assembly; a processing circuit assembly which is arranged on the circuit board assembly; an induction assembly which is arranged on the circuit board assembly, wherein the induction assembly is connected with the processing circuit assembly and the induction assembly and the moving module are inmutual induction; and an induction film which is arranged on the circuit board assembly and covers the induction assembly. The position signal precision is high and the resolution ratio is high; thecost is low and the structure is simple; the stability of the position signal of the sensor in a severe working environment is ensured; the induction film made of the soft magnetic material has the characteristics of low coercive force, low magnetic saturation density and high magnetic conductivity, the material can realize the maximum magnetization intensity or magnetic saturation by using the minimum external magnetic field and the fastest speed, and when the external magnetic field disappears, the material can be demagnetized at the fastest speed.

The invention belongs to the technical field of anesthesia, and discloses an ether anesthesia system for a laboratory animal and an operating method of the system. The ether anesthesia system for thelaboratory animal comprises a video monitoring module, an electroencephalogram collecting module, a central control module, an electroencephalogram processing module, a metering module, an oxygen supply module, an anesthesia module, a special database module and a display module. Through the electroencephalogram processing module, a self-adaptation fuzzy logic reasoning algorithm is adopted, dataof low-frequency waves, high-frequency waves and BFI in different anesthesia states is trained, and the method has a great resolution capability; the method can automatically display different anesthesia depths, and other nonlinear interference is avoided; meanwhile, through the metering module, the dosage of gaseous anaesthetic in the whole anesthesia process can be precisely calculated, errors caused by manual calculation are avoided, and the accuracy and precision of the dosage calculation result of the liquid anaesthetic are effectively improved.

The invention provides a construction method of an LDPC encoder, the method comprises the following steps: designing an LDPC encoding matrix for performing LDPC encoding; performing operation for an information bit part in an encoding code word and the LDPC encoding matrix, registering the obtained operation result in an encoding memorizer for outputting a check bit part, wherein the number of theencoding memorizers is determined according to the maximal column N of the encoding matrix. Through the construction method of the LDPC encoder, a storage space of the LDPC encoder is enabled to be small as much as possible, but design is not too difficult, and universality of different code words is also considered.

The invention discloses a high-speed serial signal loss detection circuit which comprises a voltage amplitude comparator and a turnover rate counting and comparing circuit. Dual judgment of the voltage amplitude comparator and the turnover rate counting and comparing circuit is adopted, the condition that the loss state of the input signal from short circuit to high level is judged to be normal bysingly using the voltage amplitude comparator is avoided; meanwhile, the signal loss detection circuit can directly process low-amplitude normal signals, the circuit module contained in the signal loss detection circuit can work when high-frequency signals are inputted, the output delay of detection results is extremely small, and the low-delay alarm requirements of various communication protocols can be met.