6results about How to "Balanced weight" patented technology

The invention belongs to the technical field of data storage, and provides a partition-based video slice storage method and device, and the method comprises the steps: carrying out the analysis of a to-be-processed video through employing a YOLO algorithm based on the timestamp of a real-time video and the size of a fixed video, so as to construct video slices, and determining the weight corresponding to each video slice; constructing a timeline-based video partition and video slice mapping model based on the timestamps and the threshold values of the video slices; obtaining a to-be-processed video message by using the message-oriented middleware, and analyzing video slice data from the video message; and comparing the analyzed video slice data with the timestamps of the video partitions according to the constructed mapping model so as to determine a storage position. According to the method, the newly added video partitions and video fragments can be quickly determined, and the video time point can be quickly positioned.

The invention provides a protection mechanism and a machine tool with the same, the protection mechanism is detachably arranged on a machine body, the protection mechanism comprises a main shaft fixing assembly, the main shaft fixing assembly comprises a first protection clamping plate and a second protection clamping plate, and a clamping space used for containing a main shaft is arranged between the first protection clamping plate and the second protection clamping plate; at least part of the first protection clamping plate and / or at least part of the second protection clamping plate are / is attached to the main shaft. The cross beam fixing assembly is detachably arranged on the machine body, and at least part of the cross beam fixing assembly is pressed on a cross beam of the machine body; the connecting support is arranged on the machine body, and the electric cabinet assembly of the machine body is fixedly arranged on the connecting support. According to the gantry machine tool, the problem that in the hoisting process of a gantry machine tool in the prior art, parts on the machine tool are prone to shaking, and consequently hoisting safety and efficiency are reduced is solved.

A kind of dual-phase variable loop order increment high-resolution analog-digital converter circuit based on multi-bit quantization, containing analog loop filter (hereinafter referred to as ΔΣ loop) and downsampling digital filter, there is phase switching switch, the phase switching switch includes L-1 phase switching switch in loop filter and L-1 phase switching switch in downsampling digital filter.The present application uses the architecture of first order and high order IADC mixedly, signal weight is made uniform by distributing the period number of phase 1 larger in total clock cycle, while fast accumulation is obtained by high order accumulation in a small part of total clock cycle to effectively improve the accuracy of system.Guarantee the weight of part input signal uniform in a sampling conversion period, to improve the effectiveness of DWA to suppress multi-bit DAC nonlinearity.

The present invention discloses a typhoon wind speed prediction method based on Mamba-ASPP and R-TCN, and the steps are as follows: obtaining a satellite cloud image data set and performing preprocessing; constructing a Mamba-ASPP module for spatial feature extraction, constructing an R-TCN module for temporal feature extraction, obtaining a global spatial feature map of an input image and a temporal feature map splicing, placing an ITSAM module for comprehensive feature processing, and obtaining a predicted value of the typhoon wind speed; integrating the three modules into an initial wind speed prediction model, optimizing and training the initial wind speed prediction model hyperparameters with a seagull algorithm optimized by an adaptive genetic algorithm, and obtaining a target wind speed prediction model; inputting the image data of the previous hour into the target wind speed prediction model, and predicting the typhoon wind speed of the next hour. The method of the present invention effectively improves the efficiency and accuracy of typhoon prediction by integrating feature information of different time and space scales to cope with the complexity of typhoon wind speed changes.

The application discloses a wireless smoke sensing device battery power prediction method and system based on deep learning, belongs to the technical field of time series prediction, extracts the smoke concentration detection value, the daily fire alarm message reporting frequency and the total number of fire alarm message reporting since the installation of the device from each device as three features related to the battery power of the smoke sensing device, combines the air temperature, the wind speed, the humidity and the local features of the device itself on the same day to arrange the features into time series, divides the time series into time series with days as the unit by using a sliding window, adds a plurality of buffer vectors at the beginning of the time series, inputs the buffer vectors into an improved self-attention model, introduces a self-attention mechanism using the buffer vectors, and outputs the prediction result of the battery power. The improved self-attention algorithm is used to make the output weight more balanced, improve the accuracy of the battery power prediction, and can also predict the battery power in real time, update the model regularly, and improve the stability and timeliness of the model.

The utility model provides an adjusting structure for a winding machine, which comprises a base, fixing plates are arranged on two sides of the base, connecting shafts are respectively and rotatably arranged on the two fixing plates, connecting cylinders, vertical plates I and adjusting screw rods are respectively and slidably arranged on the two connecting shafts, connecting plates I are arranged on the connecting cylinders, the connecting plates I are rotatably connected with the inner side ends of the adjusting screw rods, and the vertical plates I are rotatably connected with the inner side ends of the adjusting screw rods. The winding roller is detachably arranged between the two connecting cylinders, and limiting bolts which can abut against the connecting shafts so as to fix the connecting positions of the connecting cylinders and the connecting shafts are further connected to the connecting cylinders in a threaded mode. According to the adjusting structure for the winding machine, the basic requirement for winding a CPP thin film can be met, the axial length of the winding structure can be flexibly and continuously adjusted, and then the winding requirement for thin films with different widths is fully met.