36results about How to "Reduce coincidence" patented technology

The invention relates to a computer control system for a novel direct drive lockstitch sewing machine. The computer control system comprises a master controller, a pedal speed regulator, an operation panel, solenoid valves, a power supply module, a motor, a motor drive controller and a photocoupling isolation module. The computer control system is characterized in that the master controller consists of a microprocessor CPU, a communication module, a driving module for the solenoid valves, a speed control module and a current control module; the microprocessor CPU realizes bi-directional data communication with the operation panel by a communication module circuit, realizes control and protection over actions of the solenoid valves of the sewing machine by a solenoid valve drive circuit, and realizes variable frequency control over the motor by the speed control module and the current control module; the master controller is respectively connected with the pedal speed regulator, the operation panel, the solenoid valves and the photocoupling isolation module; and the motor drive controller consists of a special servo drive module and a current detection module.

The invention relates to a video distributed cache transfer system which comprises a signal emitting end, a video data cache unit, a signal detecting unit, a signal correcting unit, a processing unit and at least one data channel. The signal emitting end transmits video data to the video data cache unit and the processing unit. The video detecting unit is placed behind the video data cache unit, and comprises a first comparing module, a first storing module and a first delaying module inside. The signal correcting unit comprises a second processing module, a second delaying module, a second comparing module and a correction circuit. Since multiple video data detecting modules and signal correcting modules are arranged in the video distributed cache transfer system, that signals have relatively high accuracy and relatively low distortion factor during cache transfer is guaranteed, so that relatively clear video images can be obtained on the reception by a remote device.

The invention discloses a carrying type deep sea macro organism pressure maintaining sampling device. The carrying type deep sea macro organism pressure maintaining sampling device comprises a sampling unit, wherein one end of the sampling unit communicates with a plug connector, the other end of the plug connector is provided with a cylinder body which is abutted against the plug connector, one end of the cylinder body is closed, the other end of the cylinder body is provided with a first through hole, and a first hose which is fixedly connected with the cylinder body is arranged in the firstthrough hole; the carrying type deep sea macro organism pressure maintaining sampling device further comprises a plurality of first gears, the first hose is fixedly connected with the first gears, the inner wall of the cylinder body is provided with a plurality of first motors, the output end of each first motor is provided with a second gear, the inner wall of the cylinder body is also providedwith a telescopic rod which is fixedly connected with the cylinder body, the telescopic end of the telescopic rod is provided with a second motor, the output end of the second motor is provided with afixed rod, the fixed rod is in threaded connection with the first hose, the surface of the fixed rod is provided with a first water bag, a second hose is arranged on the first water bag, a pump is arranged on the second hose, and the other end of the second hose is provided with a second water bag. The carrying type deep sea macro organism pressure maintaining sampling device has the advantage that captured macro organisms can be completely transferred.

The invention relates to a power grid service classification method based on an improved EM algorithm. According to the power grid service classification method, acquired data are divided into a training set and a testing set and preprocessed; an appropriate attribute set is selected through an SFS algorithm; the class prior information of the training data is imported to carry out the EM algorithm to obtain a Gaussian mixed model and a class information related matrix; the matrix can be used for limiting that one certain Gaussian model is only capable of representing several specific classes; and moreover, the matrix and a parameter q based deterministic annealing EM algorithm q-DAEM are utilized to obtain an accurate clustering model. The power grid service classification method is capable of generating a Z matrix by use of the EM algorithm and the class prior information of the training set; as the Z matrix is imported into the q-DAEM algorithm, the convergence rate can be higher during iteration and an appropriate clustering model can be generated to process the power grid acquired data; as a result, the service identification capability can be effectively improved.

A method is disclosed for managing multiple data streams transported over a common communications resource in a packet network, wherein data flowing through the resource travels in both directions, and wherein each stream is subject to data peaks. The round trip delay is determined for each data stream, and the transmission of data peaks in one or more of the data streams is delayed to at least reduce the degree of coincidence in the data peaks of different streams without increasing the maximum round trip delay for the data streams.

The invention provides a navigation route determination method and device. According to the navigation route determination method and device,a user sets a route preference to avoid a road section where trucks appear and/or avoid a complex road section, a plurality of navigation routes are generated according to a starting place, a destination, map data obtained in advance, and the route preference set by the user; and when the navigation routes comprise the road section where the trucks appear and/or the complex road section, prompt information is displayed on a page to prompt that the navigation routes comprises the road section where the trucks appear and/or the complex road section. According to the method, by setting the preference of avoiding the road section where the trucks appear and/or avoiding the complex road condition route, the overlap ratio of the road section where the trucks appear or the complex road section and the navigation routes is reduced as much as possible during route planning, and the purpose of optimizing the navigation routes is achieved; the user can conveniently know the road condition to select a proper navigation route, so that the driving safety of the driver and the driving experience can be improved.

The invention discloses automatic high-temperature flue gas purification equipment for plate spring clamping seat production. The equipment comprises a bottom box, a dust removal cylinder, fan blades and a first filter screen, the fan blades are driven by a motor, and the fan blades are driven to rotate when the motor works, so that external high-temperature flue gas is pumped into the dust removal cylinder to be purified by the first filter screen, an air inlet channel is formed in the bottom box, a slide rheostat is arranged in the air inlet channel, and the motor is connected with an external power supply through the slide rheostat. The resistance of the slide rheostat is reduced along with the increase of high-temperature flue gas, so that the output power of the motor is increased, and the purification efficiency is further improved.A second filter screen is arranged below the first filter screen, and the second filter screen is connected to the first filter screen in a torsion spring type, a permanent magnet is arranged on the second filter screen, the slide rheostat is further connected with an electromagnet, and along with reduction of resistance of the slide rheostat, the ferromagnetism is increased, the rotating angle of the second filter screen is increased, the staggering degree of the second filter screen and the first filter screen is increased, and the purification capacity is improved.

The invention discloses a bagged low-salt bean paste and a production and processing method thereof, and belongs to the field of bean paste food. According to the bagged low-salt bean paste and the production and processing method thereof, one step of desalination treatment is increased after normal production of bean paste food. By adding a desalination adsorption bag, table salt in the bean paste food can be effectively absorbed, so that salt is transferred from the bean paste food to a salt transfer material in the desalination adsorption bag, so as to realize the low salt effect of the bean paste food; in the process, the salt can achieve the effect of preventing spoilage and deterioration during production, and then the salt is transferred to reduce the content of table salt of the food as low as 8-12%; compared with 15-22% of the content of table salt of conventional products, the content of table salt is effectively reduced, and thus the safety of the bean paste food is effectively improved and the concept and demand of healthy consumption on market are met.

The invention discloses an adaptive pseudo-colorization method for magnetic flux leakage data. The method comprises the following steps: carrying out base value correction and denoising preprocessingon the magnetic flux leakage data; carrying out classification and graying processing on the preprocessed magnetic flux leakage data to generate a grayscale image; segmenting the generated grayscale image by adopting two methods, segmenting the generated grayscale image into two parts according to a grayscale threshold, and performing binarization segmentation on the two parts of images by adopting an Otsu algorithm to obtain background region grayscale interval endpoint values; segmenting the grayscale image according to the category label, and taking a grayscale maximum value corresponding to the C2 to Ck categories as a grayscale interval boundary value; combining the background region gray interval endpoint value, the gray interval boundary value and the pixel point gray value extremevalue corresponding to the C1 category to obtain each endpoint value of the gray interval; adjusting pseudo-color codes according to the end point values of the gray interval, and carrying out pseudo-colorization processing on the gray image. The method is clear in pseudo-color image defect features, clear in boundary and high in boundary identification degree.

The invention relates to the technical field of programming, in particular to an efficient semantic front-end selection subscheme method. The invention designs an efficient semantic front-end selection sub-scheme method. In a specific front-end development scenario, the S selector is used as the semantic expression of the component, Precompile via html, css Precompilation, jquery chooses to override, It can reduce the complexity and redundancy of html template writing, reduce the coincidence and redundancy of css template writing, and simplify the complexity and redundancy of jquery code describing the internal operation of template to a large extent. Overall, reduce development time, reduce development costs, reduce team docking costs, enhance team combat effectiveness, improve the overall efficiency of development enterprises.

The invention discloses an ultrafine powder packaging machine which comprises a bottom cylinder, a gate plate mechanism, an outer supporting cylinder, an inner cylinder mechanism and a rotary blowing mechanism, the gate plate mechanism is fixedly connected to the top end of the bottom cylinder, the bottom end of the outer supporting cylinder is fixedly connected with the top of the gate plate mechanism, the inner cylinder mechanism is arranged in the outer supporting cylinder, the bottom end of the inner cylinder mechanism is in lap joint with the top of the gate plate mechanism, and a pressing disc mechanism is arranged in the inner cylinder mechanism. According to the ultrafine powder packaging machine, through mutual cooperation of the inner cylinder mechanism, the pressing disc mechanism and the gate plate mechanism, powder in the inner cylinder mechanism can be compacted, air in the powder can be discharged, and the compaction degree can be improved, so that in the subsequent packaging process, the single packaging amount is improved, and the use amount of packaging bags is reduced; and due to the fact that the inner cylinder mechanism, the pressing disc mechanism and the gate plate mechanism form a relatively-sealed space, when the powder is compacted, the powder can be prevented from escaping and drifting away, and powder waste and harm to the body of a user are reduced.

The invention relates to a conical net making machine. The conical net making machine comprises a filter net bin, a filter net clamping jaw, a filter net moving module, a net-nailing moving module, anautomatic net-nailing machine head, a net-nailing driving air cylinder and a net-rolling mechanism, and the net-rolling mechanism comprises a fixed plate, symmetrically-arranged first moving plates which are slidably connected with the fixed plate and driven by a third motor, symmetrically-arranged third moving plates which are rotationally connected with the first moving plates and driven by a first motor, symmetrically-arranged second moving plates which are rotationally connected with the third moving plates and driven by a second motor, and symmetrically-arranged net-rolling clamping jawswhich are arranged on the second moving plates. The conical net making machine can make filter nets with any conicity and size rapidly and precisely in a rolling mode.

The invention relates to a detection system based on FFC (flexible flat cable) and mylar lamination and relates to the technical field of image processing. The detection system comprises a base, the middle part of the base is provided with a first compression roller, one side of the first compression roller is provided with a second compression roller, the first compression roller and the second compression roller are both used for pressing the FFC (flexible flat cable) and the mylar below, a plurality of placement grooves are formed in one side, far away from the first compression roller, of the second compression roller, and the placement grooves are used for placing FFC (flexible flat cable) and mylar which are not pressed; a support is arranged on one side face of the base; an image collecting device is arranged on the support, and the support is used for supporting the image collecting device; and the image collecting device is used for collecting the relative positions of the FFC and the mylar which are not pressed in the placement grooves. The system provided by the invention effectively improves the lamination efficiency when the FFC and the mylar are laminated.

The invention provides a feature processing method and device, electronic equipment and a computer readable storage medium, and belongs to the technical field of computers. The method comprises the steps of: performing at least three times of grouping convolution operation on any to-be-processed feature, and obtaining at least three feature components, wherein the to-be-processed feature comprisesframe features of a target video frame in a to-be-processed video, at least three times of grouping convolution operation are carried out on the to-be-processed feature, and at least three feature components are obtained; and calculating an attention graph based on a self-attention mechanism based on a first feature component and a second feature component in the at least three feature components, and obtaining video features of the to-be-processed video according to the remaining feature components, the attention graph, each to-be-processed feature and a preset weight. The method comprises agrade grouping structure, and convolution operation is carried out by adopting grouping convolution operation, so that parameter redundancy and calculation cost can be reduced to a certain extent.

The invention relates to the technical field of office equipment, and discloses an ammonia blueprint machine for indoor office work. The machine comprises a machine body, and a liquid adding box is fixedly installed on the upper left portion of an inner cavity of the machine body. The bottom of the liquid adding box is fixedly connected with a liquid control device through a liquid adding device,the top of the liquid adding box is fixedly connected with a liquid inlet hopper, the liquid adding device comprises an isolation plate, and the top and the bottom of the isolation plate are correspondingly and fixedly connected with the bottom of the liquid adding box and the top of the liquid control device respectively. According to the ammonia blueprint machine for indoor office, the liquid adding box, the liquid adding device and the liquid control device are matched; when the liquid level in the liquid storage tank descends, the suspension property of the floating plate is utilized; thebaffle is driven to move downwards, the solution in the solution adding box is added into the solution storage box through the curved groove, the solution in the solution storage box can be kept at the same concentration all the time, then the acidity of the fountain solution is kept at a proper pH value, the dust is effectively prevented from appearing on the layout of the blueprint machine, andthe cleanliness of the layout of the blueprint machine is kept.

The present invention provides a floodlight quantum key distribution method and system without phase feedback, the bit key strings obtained by the sending end and the receiving end are processed by adopting the near-bit exclusive-OR operation, so that the bit error caused by phase drift in the signal light transmission process can be reduced, and the key is extracted from the bit key strings. Through adoption of the method, the phase feedback operation in the key distribution process can be omitted, so that the distribution system is greatly simplified, and the code rate can be effectively extracted under the condition of continuous and random phase drift. Before the exclusive-OR operation, the post-selection operation is supplemented, so that the code forming rate can be further greatly improved. As long as proper light source spectrum width and coding speed are ensured, the code rate can be ensured to break the PLOB upper limit, and the method has great advantages in a metropolitan area range.