228results about How to "Reduce miss rate" patented technology

The invention relates to a system and a method for improving the read-write success rate of radio frequency identification (RFID) tags on a movement production line. The system consists of a production management application server, read-write control, data detection, error correction control and security protection; the read-write control, the data detection, the error correction control and the security protection are respectively connected with the production management application server through a wired network and/or a wireless network; four different terminals using a computer, RFID, automatic control and the like and the production management application server execute tasks respectively set and are tightly matched; the data in the RFID tags is subjected to the functions, such as precise identification, multiple writing, verification, information protection, and automatic sorting of failure lags on the movement production line; the read-write success rate of the RFID lags data on the movement production line is remarkably improved; the productive efficiency is optimized; and the intelligent management for the production line is realized, so the system and the method provided by the invention have excellent polularization and application prospects on the modern industrial production line.

A method is provided for controlling a cache system. The cache system to be controlled comprises a direct-mapped cache configured with a small block size, and a fully associative spatial buffer configured with a large block, which includes a plurality of small blocks. Where accesses to the direct-mapped cache and the fully associative buffer are misses, data of a missed address and data of adjacent addresses are copied to the large block in the fully associative spatial buffer according to a first-in-first-out (FIFO) process. Furthermore, if one or more small data blocks is accessed among its corresponding large block of data which is to be expelled from the fully associative buffer, the small block(s) accessed is copied to the direct-mapped cache.

The invention discloses a system and a method for positioning underground coal mine staff based on RSS (received signal strength) and TOA (time of arrival) complementation, and belongs to the field of mine monitoring and communication. The direction of the staff is determined by the aid of a directional antenna, distance information of a staff positioning card reader and an identification card is detected by an RSS method with high accuracy in an area which possibly cannot be detected by a TOA method, distance information is detected in other areas by the TOA method with higher accuracy, processing delay is fixed, signals are repeatedly transmitted and received by a transmitting end and a receiving end, timing errors of timing equipment are eliminated, positioning information including identity information of the underground coal mine staff is generated and outputted, and the underground coal mine staff is accurately positioned. Under the condition of decreasing positioning equipment and positioning density, the problems that errors are large when a measured distance is long in a roadway by the RSS method and misreading is caused when the measured distance is short in the roadway by the TOA method are solved, so that the underground coal mine staff is accurately positioned.

In an embodiment, a display pipe includes one or more translation units corresponding to images that the display pipe is reading for display. Each translation unit may be configured to prefetch translations ahead of the image data fetches, which may prevent translation misses in the display pipe (at least in most cases). The translation units may maintain translations in first-in, first-out (FIFO) fashion, and the display pipe fetch hardware may inform the translation unit when a given translation or translation is no longer needed. The translation unit may invalidate the identified translations and prefetch additional translation for virtual pages that are contiguous with the most recently prefetched virtual page.

The invention discloses an air-suction-type seed sowing device for a seeding machine. The air-suction-type seed sowing device comprises a seed pickup device. The seed pickup device comprises a shell, a cover plate and a seed storage plate. A motor is arranged on one side of the cover plate. The output shaft of the motor stretches into the shell. A seed sowing disc is installed on the part of the output shaft in the shell. A plurality of seed suction ports I are arranged in the seed sowing disc. A seed outlet is arranged in the bottom of the shell. A seed inlet pipe is arranged on one side of the cover plate far away from the shell. A seed inlet is arranged in the cover plate. A sealing cover device is installed on one side of the shell far away from the seed inlet pipe. The sealing cover device comprises a boarding I. A baffle I is arranged on the boarding I. An air outlet I is arranged on the baffle I. An air damper corresponding to the position of the seed suction ports I which are arranged at the lowest position of the seed sowing disc is arranged in the boarding I. The air-suction-type seed sowing device additionally comprises a monitoring and control system which is used for monitoring whether the seed suction ports I suck seeds in real time and controlling the motor. Since the air-suction-type seed sowing device is driven by the motor, the defect that a floor wheel slips in the prior art is avoided, the situation of miss seeding can be automatically detected and the seeds can be replenished in time.

An embodiment of the invention discloses a communication information state identifying method in a communication device. The communication information state identifying method comprises identifying information states of received communication information as unprocessed states. When the communication information completely enters appointed visible areas of a screen of the communication device, the information states of the communication information are identified into processed states, and the information states of the communication information is displayed as processed states in the communication device. The embodiment of the invention further discloses the communication device. The communication information state identifying method has the advantages of improving information state identification rate of the communication information, reducing misreading rate of the information and enhancing information state identification user experience.

The invention discloses an image anomaly detection device and method. The device comprises an acquisition module and a comparison module; the acquisition module is used for synchronously acquiring image frames which a display terminal under detection displays; resolution of the acquisition module is greater than that of the display terminal; the comparison module is used for comparing the acquired image frames to a preset reference frame and judging whether or not anomalies occur to the acquired image frames according to comparison results. The image anomaly detection device and method has the advantages that quality of an image displayed on the display terminal is automatically tested so that detection labor is greatly relieved; testing results are more accurate, and chances that missing image anomalies occur in testing are slimmed; testing is simple, safe and reliable, and defects of a manual testing method are made up.

The invention discloses an electronic capsule capable of actively changing the photographing angle, which comprises a housing, and an imaging and photographing unit, a microprocessor, a motor, a wireless emitter, an antenna, etc., which are arranged in the housing. The electronic capsule is characterized in that the motor is a miniature flat eccentric motor or a flat vibration motor. The photographing angle can be changed by rotating the eccentric motor or the flat vibration motor to achieve photographing at different angles. The electronic capsule is particularly suitable for examining human organs with larger inner space and no natural orientation effect, such as the stomach or the large intestine. The electronic capsule has the advantages that the electronic capsule can be used for replacing a gastroscope to change micro-invasive examination into non-invasive examination, thus obviating the fear of gastroscope, obviating anesthesia before examination, eliminating various adverse effects in the examination process, and providing a selectable means for people not suitable for gastroscope examination. When one or more pictures are photographed, the eccentric motor is rotated under the control of the microprocessor to change the photographing positions, and then the photographing unit performs subsequent photographing until the entire stomach is photographed.

The invention discloses a method for detecting leakage of a lithium ion battery, comprising the following steps: a) placing a lithium ion battery to be detected into a space the top of which is provided with an air outlet; b) heating the lithium ion battery to be detected; c) collecting gas at the air outlet; d) detecting the content of organic compound component in the collected gas; and e) determining whether the leakage of the lithium ion battery is existed or not by comparing the content of the organic compound component with a threshold. In the invention, variation of the external environment caused by the leakage of the lithium ion battery is detected, and inspection on the sealing effect of the lithium ion battery is realized, thus avoiding loss of leakage and ballooning safety potential caused by poor sealing property of the battery to a customer.

The embodiment of the invention provides a management method for an instruction cache and a processor, relates to the field of computers, and aims to expand the instruction cache capacity of a hardware thread, lower the missing rate of the instruction cache and enhance the system performance. A hardware thread identifier in a shared instruction cache of the processor is used for identifying a hardware thread which corresponds to a cache line in the shared instruction cache; a private instruction cache is used for storing an instruction cache line substituted from the shared instruction cache; a missing cache is further provided. The method comprises the following steps: when the hardware thread of the processor acquires an instruction from the instruction cache, accessing the shared instruction cache in the instruction cache and the private instruction cache which corresponds to the hardware thread simultaneously; determining the existence of an instruction in the shared instruction cache and the private instruction cache which corresponds to the hardware thread, and acquiring the instruction from the shared instruction cache and the private instruction cache which corresponds to the hardware thread according to a judgment result. The embodiment of the invention is used for managing the instruction cache of the processor.

The invention relates to the technical field of video monitoring, and especially relates to an emergency photographing method for a car driving recorder. The emergency photographing method comprises the following steps: in the process of collecting data by the car driving recorder, judging whether an emergency signal is received, wherein the emergency signal comprises an emergency video signal generated by operating an emergency video key and an emergency photographing signal generated by operating an emergency photographing key; if the emergency signal is not received, storing the collected data to a first storage area; if the received emergency signal is the emergency video signal, triggering an emergency video recording function of the car driving recorder according to the emergency video signal, and storing the data collected by the car driving recorder within a preset time period to a second storage area; and if the received emergency signal is the emergency photographing signal,then triggering an emergency photographing function of the car driving recorder according to the emergency photographing signal, and storing pictures photographed by the car driving recorder to a third storage area. The invention further provides an emergency photographing system for the car driving recorder. The emergency photographing method for the car driving recorder provided by the inventionimproves the accuracy of emergency snapshot.

The embodiment of the invention provides a mobile phone and an incoming call alert method thereof. The method comprises a detection step and a control execution step, wherein in the detection step, when the mobile phone has an incoming call, whether the mobile phone is shielded is detected, and a detection result is transmitted; and in the control execution step, the detection result is received, and if the detection result is yes, a mobile phone incoming call alert enhancing mode is used. According to the mobile phone and the incoming call alert method thereof provided by the embodiment of the invention, the probability that a phone call is missed because the mobile phone in a mute or vibration mode is put in a bag or pocket is lowered, and the user experience is improved.

The invention discloses a cache replacement method for configuration information of a high-speed reconfigurable processor, and a storage system structure, and the method comprises the steps: updatingan Re value of a hit data block according to a hit frequency when an access is hit, and enabling the Re value to be the priority of the replacement of the data block; and when the access is missing, updating the Re value of the data block replaced into the cache according to the hit frequency, and determining the replaced data block through a windowing selection algorithm. The cache replacement strategy is realized by changing the replaced priorities of the data blocks, so that the cache replacement strategy is convenient to transplant in the existing storage system, and the hardware overheadis low. According to the cache resource allocation method and the device, cache resource allocation is carried out according to the two characteristics of the size and the frequency of the configuration information, the overall missing rate of the cache is reduced instead of only considering the missing rate of a single cache group, and in addition, the cache resource allocation method and devicehave good adaptability to a working set larger than the cache capacity.

The invention discloses a treatment method and system of extension telephone traffic in a virtual switchboard as well as a virtual switchboard server. The virtual switchboard server connected with an intelligent network comprises a user management unit, a calling control unit and a traffic control unit; when an incoming call calls a first extension telephone in a group, the traffic control unit controls the calling control unit to get through a talk channel between the incoming call and the first extension telephone; and when the incoming call needs to be forwarded to a second extension telephone in the group, the traffic control unit receives a forwarding command of the first extension telephone or the second extension telephone, acquires the information of the second extension telephone in the forwarding command through the user management unit and controls the calling control unit to forward the incoming call from the first extension telephone to the second extension telephone so as to realize the talk between the incoming call and the second extension telephone. The invention is more convenient and timely for the extension telephones in the group to forward and pick up without regional limitation.

The invention relates to a mobile warehouse tray combining operation method based on a handheld device. The method at least includes the following steps that first, bar code labels are printed by a label printing machine according to information of goods and materials to enter a storehouse; second, trays are provided with RFID labels, the RFID labels are scanned by the handheld device, and whether the trays are legal trays or not is inquired through a storehouse tray combining system; third, the goods and materials to be placed on the legal trays in the second step are scanned by the handheld device, and the parameter of the goods and materials and the parameter of the trays are compared through the storehouse tray combining system; fourth, the goods are stacked. The mobile warehouse tray combining operation method based on the handheld device has the advantages that the bar code labels and the RFID labels are scanned by the handheld device, and therefore the goods and materials and the trays can be bound both physically and logically; the bar code labels are scanned by the handheld device one by one, and therefore the reading rate of the goods and materials is 100 percent; the trays are combined through the handheld device, and therefore the storehouse can be managed conveniently, fast, flexibly and efficiently.

The invention discloses the field of man-machine interaction and automobile data recorders, and particularly relates to an automobile data recorder emergency shooting control method and device. The method includes the steps that a motion change state is determined by detecting data change through an acceleration sensor; a human pupil change state is determined through a preview image of a shooting unit; when the motion change state and the human pupil change state meet preset conditions, an automobile data recorder is controlled for shooting. Therefore, the automobile data recorder can be controlled for shooting according to the motion change state and the human pupil change state, the moment for snapshotting emergencies is accurate, the mistaken shooting rate and the missing shooting rate are reduced, emergency snapshotting accuracy is improved, storage space can be saved to a certain extent, frequency of operation of deleting useless video data in the storage space is reduced, and the intelligent degree of the automobile data recorder is improved.

The invention discloses a reverse flexible corn stalk picking device which comprises a rack, a device cover, an upper picking mechanism and a lower picking mechanism. In the working process, a picking shovel is put deeply to the lower portion of a lodging stalk to shovel the lodging stalk out, the upper picking mechanism rotates counterclockwise to poke the shoveled stalk to the position behind the device, and the stalk is conveyed to subsequent processes under the drive of a conveying rod. In the moving process of a horizontal picking mechanism, telescopic fingers located on picking plates in the horizontal direction fall perpendicularly under the action of gravity, so that picking rods on the left horizontal picking plates form the optimal picking combination, and picking rods on the right horizontal picking plates form the optimal picking disengaging combination. The tangential force exerted on the stalk in the horizontal direction is opposite to the work advancing direction, and therefore the relative picking speed of the stalk is improved. A longitudinal beam, a front arm, a rocker arm and a rear arm form a quadrangle mechanism, a flexible obstacle crossing function is achieved under the assistance of a spring, impact damage to the picking shovel by obstacles is effectively relieved, and the obstacle crossing capability and the work passing capability of the whole device are improved.

The invention provides a data processing method in coverage rate testing. The method comprises the steps of obtaining a difference text and a coverage rate text, relative to an old version, of a tested program, wherein the coverage rate text is output when the tested program is subjected to the coverage rate testing; extracting a file name and a changed line number from the difference text, and mapping the file name and the changed line number; and obtaining coverage rate text data related to difference codes, relative to the old version, of the tested program from the coverage rate text according to an obtained mapping relationship. In addition, the invention provides a data processing method in the coverage rate testing, matched with the method. According to the data processing method and apparatus in the coverage rate testing, the coverage rate testing can be performed for part of codes, so that the pertinence and accuracy of the coverage rate testing are improved.