605results about How to "Reduce jumping" patented technology

A method of performing a medical procedure, such as surgery, is provided. A nerve is stimulated in order to adjust the beating of the heart to a first condition, such as a stopped or slowed condition. The medical procedure is performed on the heart or another organ. The stimulation of the nerve is stopped in order to adjust the beating of the heart to a second condition, such as a beating condition. The heart itself may also be stimulated to a beating condition, such as by pacing. The stimulation of the nerve may be continued in order to allow the medical procedure to be continued. Systems and devices for performing the medical procedure are also provided.

The invention discloses an acceleration and deceleration controlling method based on an S-shaped curve. An S-shaped curve is applied to speed planning of an i+1 section of a processing track, wherein the i+1 section of the processing track is arranged between a first transfer position and a second transfer position, and accelerations of the first transfer position and the second transfer position are controlled not to be zero. The invention further discloses a controlling device of acceleration and deceleration based on the S-shaped curve and the numerically-controlled machine tool. Due to the fact that the acceleration and deceleration method based on the S-shaped curve and the equipment using the acceleration and deceleration controlling method based on the S-shaped curve of a numerically-controlled system control the accelerations of the first transfer position and the second transfer position not to be zero, processing efficiency can be effectively improved, and impact to the machine tool during the processing process is reduced.

The invention provides a method for displaying a virtual keyboard, the virtual keyboard and a touch screen terminal. The method comprises the following steps of: receiving sliding information of a user for the virtual keyboard, wherein the virtual keyboard comprises a plurality of parts, and a part of the plurality of parts are displayed in a keyboard display area of a screen; and moving and/or loading the corresponding part in the virtual keyboard according to the sliding information, and displaying the changed part in the keyboard display area of the screen. The application of a panoramic keyboard is provided, unlimited sliding of the user can be accepted, keyboards with different input functions are prevented from being frequently opened and closed by the user in the input process, the problem of interruption when the user switches the keyboards can be solved, the using efficiency of various keyboards is improved, and using smoothness and continuity are improved.

The invention provides a method for long-distance reappearance of the national standard time. First, calculate the star station clock difference between the reference station and each visible satellite and each user station and each visible satellite, and calculate the star station clock difference. According to the final fitting result, each user station will make a corresponding difference with the star station clock error of the visible satellite common to the reference station, and each user station will respectively remove the gross error The mean value of the difference data is taken as the time difference between the reference time of each user station and the national standard time of the base station; the time difference value is returned to each user station correspondingly, thereby controlling the output of the local atomic clock to synchronize it with the national standard time. The invention can make up for the lack of 1-5ns real-time timing precision in the current timing system, and provide real-time and continuous real-time timing with 2ns precision.

A converter unit configured to couple to a photovoltaic panel may include a controller that monitors: an output voltage and output current obtained from the photovoltaic panel by a switching power core within the converter unit, and an output voltage and output current produced by the switching power core. The controller may calculate a desired duty-cycle value based on the monitored values, and implement a mapping algorithm that translates the duty-cycle value to a pulse-width value and a modulus value. The pulse-width value and the modulus value may be used to simultaneously respectively modulate the pulse-width and pulse-period of a pulse-width modulated (PWM) signal, while maintaining an appropriate linear final duty-cycle ratio between the pulse-width and the pulse-period of the PWM signal. The PWM signal may be provided to the switching power core to control the switching of the switching power core.

A roller includes a core and a ceramic coating formed over the core. The roller has a composite runout of less than 20 mum and a total indicator reading runout of less than 7 mum. The ceramic coating has a smooth finish and has controlled electric properties. This roller can be used as a donor roller for transporting toner to a photoconductive member so as to achieve high-quality image development.

The invention discloses an efficient polishing device used for metal casting machining and a polishing method of the efficient polishing device. The efficient polishing device comprises a machine body. An installation cavity is formed in the bottom end of the machine body. A rotation motor is installed in the installation cavity. The output end of the rotation motor is fixedly connected with a work table. The work table is installed at the bottom end in the machine body in a rotating manner. Clamping devices which are symmetrically distributed are arranged on the left side and the right side of the top end of the work table. A lead screw, a stop piece and a slippage motor are sequentially arranged at the top end in the machine body from left to right. The left end of the lead screw is connected with the side wall in the machine body in a rotating manner, and the right end of the lead screw penetrates through the stop piece and is connected to the output end of the slippage motor. A slide block is installed on the lead screw. A slide plate is fixedly arranged at the bottom end of the slide block. A lifting cylinder is installed at the bottom end of the slide plate. By means of the efficient polishing device and the polishing method, castings can be conveniently polished, chippings can be collected during polishing, processing is facilitated, influences of vibration on the polishing effect during polishing are reduced, and the product quality is improved.

An image processing apparatus includes an acquisition unit configured to acquire a captured image selected according to specified viewpoint information from a plurality of captured images captured by a plurality of imaging units at different viewpoint positions, a generation unit configured to generate an image according to the specified viewpoint information using the viewpoint information of the selected captured image and the specified viewpoint information from the selected captured image, and a blurring processing unit configured to execute blurring processing on the generated image, wherein, when an imaging unit corresponding to a captured image for a target frame is different from an imaging unit corresponding to a captured image for a frame adjacent to the target frame, the blurring processing unit executes blurring processing on the generated image corresponding to the target frame.

The invention discloses a brain magnetic source intensity positioning method, which comprises the following steps of: building a double-parameter mixed regularization cost function through introducing a time domain smooth regular operator; then, selecting double regularization parameters according to a generalized cross-validation criterion; and solving an original cost function through the proportion of a single regularization item to obtain a solution matrix with the determined brain magnetic source intensity and position, so as to complete the positioning process. The brain magnetic source intensity positioning method provided by the invention has the advantages that the total mean square error is small, and the advantage is more obvious when the noise is higher; all moment mean square errors are basically stabilized at the same level; the noise influence is small; intracerebral neural signals with accurate space time and smooth time domain can be obtained through rebuilding according to the method; and the precise positioning of a brain magnetic source is realized.

The invention discloses a dynamic data acquiring system and a method for precisely positioning an acquiring position thereof. The dynamic data acquiring system comprises an FPGA controller, a step motor, a driving circuit of the step motor, and a position sensor. An FPGA controlling circuit sends direction and pulse signals to the driving circuit of the step motor and maintains a position counter. The driving circuit of the step motor receives driving pulses and direction signals and drives the step motor to move. In the moving process of the step motor, when the FPGA detects that the position sensor has the effective jump, the FPGA resets the position counter, and the position counter counts the sent pulses; after a sent pulse number reaches the set position pulse number of acquiring points and the effective condition of the pulses is detected, the data acquiring operation is carried out. The invention has the advantages of accurate positioning of the acquiring points, high real-time performance, automatic control, simplicity, reliability and lower cost.

The invention relates to a truck tire, in particular to a tire tread pattern structure of a truck tire. A tire tread of a cargo truck comprises a central longitudinal circumferential pattern groove which is arranged at the position of a longitudinal center line of the tire tread and enables the tire tread to be evenly divided into two symmetrical parts in a left-right mode. Side part pattern blocks and tire shoulder pattern blocks are sequentially arranged on two sides of the central longitudinal circumferential pattern groove form interior to exterior. The side part pattern blocks and the tire shoulder pattern blocks are separated by an auxiliary longitudinal circumferential pattern groove. Each two adjacent side part pattern blocks along the circumferential direction are separated by an auxiliary pattern groove. The central longitudinal circumferential pattern groove and the auxiliary longitudinal circumferential pattern groove are respectively in a wave shape. Two ends of each auxiliary pattern groove are respectively communicated with the central longitudinal circumferential pattern groove and the auxiliary longitudinal circumferential pattern groove. The side part pattern blocks on two sides of the central longitudinal circumferential pattern groove are in point symmetry and arranged in a vertically staggered mode. The tire shoulder pattern blocks are integral pattern blocks. According to the tire tread of the cargo truck, mixed patterns are adopted. The tire tread of the cargo truck has sufficient braking force and good operational properties, and is attractive.

The embodiment of the invention discloses a live streaming cache processing method and device, equipment and a storage medium. The method comprises the following steps: judging whether audio cache data is in a stable state or not according to the change state of the cache duration of the audio cache data in an audio cache region in the playing process of live streaming contents; wherein the live broadcast content comprises the audio cache data; if yes, obtaining the caching duration of the audio caching data at the current moment; and reducing the cache accumulation of the live streaming content by adopting a processing strategy matched with the cache duration, so as to reduce the situations of multiple content jumps and multiple-speed start and stop occurring when the cache accumulation of the live streaming content is played, thereby enabling the live streaming content to be played smoothly.

The invention relates to a riverway reservoir bank underwater terrain and sludge thickness survey system. The system comprises an unmanned ship system, a three-dimensional sounding side-scan sonar system, a portable multi-frequency depth finder, a shallow stratum profiler, a ground profile instrument, a wireless data transmission device and a multi-platform and multi-sensor development system integration and data processing platform. The three-dimensional sounding side-scan sonar system is used for simultaneously obtaining a 2D sonar image, a high-resolution 3D side-scan image and strip sounding data in one-time measurement navigation; the portable multi-frequency depth finder is used for pipeline route investigation and sedimentation condition investigation; the shallow stratum profiler can measure water depth data and shallow profile data, and profile display is carried out on a water bottom stratum; the wireless data transmission device is suitable for carrier-grade point-to-point network application; and the multi-platform and multi-sensor development system integration and data processing platform is used for realizing transmission communication of real-time data and constructing an underwater topographic survey network of the heterogeneous unmanned ship.

The invention discloses a power decreasing method of various intellective property core and functional module in SoC, which comprises the following steps: a) dividing all states of original functional module to two specie-' free' state and ' working' state; b) providing a logic circuit; connecting to the original functional module; constructing new low power functional module; finishing the logic function with the logic circuit; keeping clock close if without request for the original functional module; opening the clock if with the request for the original functional module; entering the original functional module into the ' working' state; closing the clock till the original functional module in ' free' state without bus request. This invention decreases dynamic state and leaking power consumption of IP core and auto-switches power source of the IP core at the same time.

A method for operating a drive device, in particular a hybrid drive device, of a vehicle, in particular a motor vehicle, having at least one internal combustion engine and at least one electrical machine as drive units, which are mechanically coupled to one another, as a function of a torque demand, in particular a filtered torque demand, in a normal operation, an ideal target torque for the particular drive unit being defined for each of the drive units and, in a dynamic operation, a target torque being defined for each of the drive units which together meet the torque demand.

The invention discloses an automatic welding device for machining. The automatic welding device for machining comprises a workbench, a cross beam and a moving column. The moving column is provided with a welding head capable of moving. The two sides of the welding head are each provided with a first limiting unit, a second limiting unit and an adjusting seat. Each first limiting unit is close to the welding head, and each second limiting unit is close to the adjusting seat. According to the automatic welding device for machining, the first limiting units are utilized to approach to the position of a weld seam to conduct locating, so that bounce of a steel tube circular seam caused by the cylindricity error due to the self-lengths of steel tubes is lowered and transferred to the ends far away from the circular seam of the steel tubes; and meanwhile, through ejector rods on the adjusting seats, flexible transition between bounce of the steel tubes and the axis of rotating shafts is achieved when circular seam welding is conducted, since the connection strength brought by spot welding locating can be stronger than flexible fixation exerted by the ejector rods on the steel tubes, the end, far away from the circular seam, of each steel tube can bounce, and then the weld seam is prevented from being pulled or squeezed.

The invention discloses a video editing method and device and a mobile terminal. The method comprises the steps that based on triggering of an audio operation interface in a video editing interface, an audio editing interface is displayed, wherein the audio editing interface comprises a video preview area, a first floating layer used for displaying an audio file list and a second floating layer used for audio editing; on the basis of selection operation on audio files in the audio file list in the first floating layer, the first floating layer is packed up, and a second floating layer is displayed; an audio track file corresponding to the audio file is generated based on first operation on the selected audio file in the second floating layer; and the generated audio track file is added into the video file. According to the invention, the music and the video are cut in real time in a one-to-one comparison manner, so that a user can check a mapping relationship between the music and thevideo conveniently.

The embodiment of the invention discloses a method, device and system for converging hotspot functions and variables in computer programs. The method for converging the hotspot functions in the computer programs includes the steps that source programs to be processed are acquired; the source programs are simulated and executed, calling information of each function in the source programs is collected when the source programs are executed to generate a critical path file, wherein the critical path file comprises one or more function critical paths when the source programs are executed; according to the critical path file, the hotspot functions, located in the same function critical path, in the source programs are compiled in the calling sequence and then linked into a same code segment, wherein the function critical paths are used for describing one or more hotspot functions and the calling sequence among the hotspot functions when the source programs are executed. According to the method, device and system, Cache Miss of instructions and Cache Miss of data can be effectively reduced.

The invention discloses a carbon brush structure of a collecting ring. The carbon brush structure comprises a base, two carbon brushes and two bias voltage pieces, wherein the base is provided with two guide rails; the two carbon brushes are arranged on the guide rails of the base respectively and can move along the guide rails; the two bias voltage pieces act on the two carbon brushes respectively, drive the two carbon brushes to move towards a conducting ring of the collecting ring and keep the two carbon brushes in contact with the conducting ring. The two guide rails pass through the circle center of the conducting ring, so that the carbon brushes are prevented from jumping and are worn uniformly.