40results about How to "Guaranteed real-time processing" patented technology

The invention discloses a physiological signal separation and extraction system based on optical fiber sensing. Its physiological signal preprocessing module is used to sequentially remove DC components and remove artifacts from the original physiological signal; the respiratory signal separation module is used to obtain physiological signals. Respiratory signal in; the ballistocardiogram model building block is used for setting up the ballistocardiogram model of aliasing noise; The effective physiological signal is obtained, and the heartbeat denoising and extraction model is constructed by matrix iterative decomposition. According to this model, the signal is reconstructed, which greatly reduces the computational complexity and ensures the effective components of the signal, thereby reducing the non-contact sensing signal. Demodulation difficulty and system design cost.

The invention discloses a scheduling method using GPU to accelerate real-time network stream processing, which is characterized in that in the method, the CPU sets the GPU execution cycle I according to the application program that needs to be accelerated; the GPU execution cycle I is greater than or equal to the worst time of the GPU Processing time; including the following steps: (1) The CPU receives the calculation results of the GPU in the previous GPU execution cycle I, and at the beginning of the next batch processing time cycle, the CPU starts to accumulate data or execution sequences in the GPU execution cycle I; ( 2) When the next batch processing time period expires, the CPU transmits the data or execution sequence in the GPU execution cycle I to the GPU for processing; follow steps (1) to (2) to cycle until the application program processing ends. This method utilizes GPU to obtain high throughput while ensuring real-time processing of all network streams.

The invention relates to a batch business data file processing method and device. The method comprises the following steps of: obtaining a batch business data file; calling a pre-configured file template and configuring the batch business data file into an executable file; obtaining a time execution time; generating and storing an execution plan according to the executable file and the file execution time; and executing the executable file according to the execution plane. According to the method and device, the process of completely compiling codes before executing batch files is saved, and code compilation is only carried out on a small part of contents except the file template, so that the manpower and time cost are reduced. Through configuring the file execution time and executing a task according to the file execution time, high cycle of executing the task by a system can be avoided if possible, and then the task execution speed is further improved.

A method for processing the digital signals of a light-frequency conversion type pulse oxyhemograph includes such steps as using a light-frequency converter to directly convert the light signals received by human tissue to the electric pulse signals, using microprocessor to count the electric pulse signals and time, and calculation to digital signals to obtain the blood oxygen saturation degree and cardiac rhythm value.

The invention provides a method for realizing a high-order FIR filter based on an FPGA, used for solving the technical problem of excessive occupation of the high-order FIR filter to logic units in the FPGA in the existing method for realizing high-order FIR multiphase filtering. The method comprises the following steps: selecting parameters of a prototype filter; designing the prototype filter h (n); performing multiphase decomposition on the prototype filter h (n) to obtain multiphase filters; performing module division on each multiphase filter; storing coefficients of the multiphase filters in a module ROM; reading the coefficients of the multiphase filters in the module ROM; caching and reading input data by read-write enable, a write address control signal and a read address control signal of a module RAM obtained by system clock control; and performing multiplication and addition operations on the coefficients of the multiphase filters and the input data by using a multiplication accumulation module, and outputting an operation result. The method provided by the invention is little in occupation of the logic units in the FPGA, simple, efficient and is easy to realize.

The invention belongs to the field of underwater main control over deep-sea work type ROVs, and particularly relates to a control system and a control method for a deep-sea work type ROV. The control system comprises a monitoring layer, a control layer, an execution layer and a public data layer, wherein the monitoring layer comprises an information processing module, an equipment communication module and an equipment state monitoring module, and the control layer comprises a resource allocation module, a task decision-making module, a task control module and an instruction output module. According to the control system and the control method for the deep-sea work type ROV, a VxWorks embedded real-time operation system is applied, ensures the real-time processing of multiple ROV tasks due to high performance, and is good in stability and high in expansibility; the structure is simple, the tasks of all parts are clear, operation is efficient, the tasks are distinct in gradation, and the system is convenient to maintain; the control system and the control method for the deep-sea work type ROV are good in universality and can be widely applied to deep-sea work type ROV control systems.

The present invention provides a method, device, system, and storage medium for sending uplink information, wherein the method includes: determining an uplink antenna for sending first uplink information and second uplink information under the same subframe, wherein the The first uplink information includes at least one of the following: uplink sounding reference signal SRS, uplink detection signal, the second uplink information includes at least one of the following: uplink traffic channel signal, uplink control channel signal; use the determined above-mentioned uplink antenna to perform the first Sending processing of the first uplink information and the second uplink information. The present invention at least solves the problem in the related art that the antennas for sending uplink information in the same subframe are inconsistent.

The invention discloses a weak moving target tracking loss reinspection method based on NCC match frame difference. The method includes the following steps of acquiring the video data; performing target tracking of continuous frames of images, and for each frame in the continuous N frames of images of the tracked image, calculating the multidimensional characteristics of the target area to be the normal characteristics and calculating the offset amount of each characteristic with respect to the mean value to be the normal offset amount; when the target in the fth frame of image is lost, intercepting the reference image in the fth frame of image, intercepting the larger image to be matched in the f+kth frame of image, and calculating the cross correlation coefficient matrix; interrupting the area of the set size by taking the position with the largest cross correlation coefficient as the center, obtaining the candidate region by the frame difference method, extracting the multidimensional characteristics of the candidate region, if the deviation between the offset amount of each feature and the normal offset amount is within the set range, taking the candidate region as the target area; otherwise, k automatically increases k, repeating the above processes. The method can prevent the error detection in the traditional method.