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164results about How to "Improve the odds of success" patented technology

Global positioning system satellite searching and scheduling method

The invention relates to the field of global satellite positioning and navigation, in particular to a satellite searching and dispatching method for a global positioning system (GPS); the method comprises three parts: a classifying satellite possibility dispatching method which comprises the steps as follows: the state of the satellite is judged by the obtained satellite information; each satellite is classified by the satellite state, thus presuming the searching scene further; according to the satellite classes and the searching scenes, different searching weights are arranged for each satellite so as to carry out the searching; a maintaining re-catching method for continuously searching the blocked satellites and a self-adaptive sensitiveness catching method which uses the catching methods of different sensitiveness by aiming at the satellites of different signal-noise-ratio. When the three methods are smartly used, the successful possibility of searching satellite is greatly improved, the time used for searching the satellite is reduced, the starting and positioning speed and the re-catching positioning precision are greatly improved, the power dissipation is reduced, and the problems of robustness and reliability in the satellite dispatching arithmetic are solved, thus improving the feasibility of the receiving machines in the urban forests where the blocking is severe, and greatly improving the experience of the user.
Owner:北京中科微知识产权服务有限公司

Wireless body area network symmetric key negotiation method

The invention discloses a wireless body area network symmetric key negotiation method. A promise is initiated to a node B by a node A. The wireless body area network symmetric key negotiation method is characterized by comprising the steps that: the node A acquires a physiological signal at a tp moment, the physiological signal is set as w; then a sharing secret key is generated according to the w, data is transmitted to the node B in a hidden manner; the node B extracts a physiological signal at the same moment, the physiological signal is denoised and the value of the physiological signal is verified whether to be correct; if the value of the physiological signal is correct, a negotiation secret key is solved; and if the value of the physiological signal is wrong, the physiological signal is obtained near the moment w, and the secret key is continuously solved. According to the wireless body area network symmetric key negotiation method, the requirement of accurate synchronization for time is avoided, the problem of high energy consumption of frequent broadcasting of synchronous signals is solved; and in a process of secret key negotiation, most of nodes are used for processing data without transmitting the data, thus the energy consumption in the process of secret key negotiation is effectively reduced. According to the wireless body area network symmetric key negotiation method, the negotiation is unconcerned with the entropy of the signal, a weak time synchronization method and a secret key presetting technology are adopted, and a better attack preventing property is achieved.
Owner:SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN

Product appearance and perceptual characteristic relational model establishing method and feedback system

The invention discloses a product appearance and perceptual characteristic relational model establishing method comprising the following steps that (1) the product appearance shape is deconstructed so that all the attributes after deconstruction of the product appearance and different attribute values are obtained, and the attributes and the attribute values are digitally coded; (2) the sample data of the perceptual characteristics of the sample product appearance are acquired, the perceptual characteristics are classified and processed and the typical perceptual characteristics of the product appearance and the scores of the product appearance of each sample on the typical perceptual characteristics are extracted; and (3) the digital codes of the attributes and the attribute values of the product appearance of each sample are combined with the typical perceptual characteristics of the product appearance to establish a relational model of the product appearance and the composite perceptual characteristics. The invention also discloses a product feedback system comprising the relational model. The guidance of the design direction can be given to the designer in the early stage of design, and the corresponding design inspiration can be provided according to the design requirements of the product so that the design efficiency of the designer can be enhanced.
Owner:ZHEJIANG UNIV

Network registration abnormity processing method, device and user terminal

The present invention provides a network registration abnormity processing method, a network registration abnormity processing device and a user terminal and belongs to the mobile communication technical field. The method is executed by the user terminal. The method includes the following steps that: when network registration is performed by using a first attachment request, and an attachment rejecting massage of a network side device is received, a second attachment request is sent to the network side device, and the APN (Access Point Name) transfer identifier bit of the first attachment request carries an APN transfer identifier, and the APN transfer identifier bit of the second attachment request is null; and when an attachment accepting message sent by the network side device is received, and the APN parameter of the user terminal is modified according to the attachment accepting message; and a registration completion message is sent to the network side device. According to the network registration abnormity processing method of the present invention, the second attachment request of which the APN transfer identifier bit is null is sent, so that the attachment accepting message sent by the network side device is received; the APN parameter of the user terminal is modified according to the attachment accepting message; network registration is completed; and therefore, the network registration experience degree of a user is improved.
Owner:QIKU INTERNET TECH SHENZHEN CO LTD

Lifesaving device capable of quickly recovering life buoy

The invention discloses a lifesaving device capable of quickly recovering a life buoy. The lifesaving device capable of quickly recovering the life buoy comprises a lower supporting column fixedly arranged on the ground, an ejection box is arranged on the upper part of the lower supporting column, an automatic steering device is arranged between the ejection box and the lower supporting column, afirst ejection cavity with a leftward opening is formed in the ejection box, an ejection device is arranged in the first ejection cavity, the compressed air inflation type life buoy is arranged in theejection device, the ejection device is used for matching the automatic steering device to adjust the throwing angle and distance according to the position of a drowning person, the air inflation type life buoy is accurately thrown nearby the drowning person, and a quick pull-back device is arranged in the lower supporting column. According to the lifesaving device, the life buoy can be quickly and accurately thrown towards the drowning person according to the actual environment and can be quickly pulled back, so that a rescue worker is more convenient and labor-saving, the success probability of rescue is greatly increased, the risk of the rescue is reduced, meanwhile, the situation that the person with poor ability in swimming takes the risk of rescuing is avoided.
Owner:NANJING LISHUI HIGH-TECH VENTURE CAPITAL MANAGEMENT CO LTD

Breeding method of maize inbred line S37

InactiveCN106305413AHigh combination abilityComprehensive agronomic traits are goodPlant genotype modificationDiseaseAgricultural science
The invention relates to a breeding method of maize inbred line S37, and belongs to the technical field of agricultural science. The breeding method comprises the following steps: (1) using Shen 137 as a female parent and MO17 as a male parent for hybridization to obtain an F1 generation of Shen 137 / MO17; (2) inbreeding the F1 generation to obtain an F2 generation of Shen 137 / MO17; (3) using an early-maturing density-resistant material FR3 as a female parent and the F2 generation of Shen 137 / MO17 as a male parent for hybridization to obtain the F1 generation of FR3 / Shen 137 / MO17; (4) selecting excellent individual plants from the F1 generation of FR3 / Shen 137 / MO17 as the female parent, using the early-maturing density-resistant material FR3 as the female parent for backcrossing to obtain the F1 generation of FR3 / FR3 Shen 137 / MO17; (5) continuously inbreeding the F1 generation of FR3 / FR3 Shen 137 / MO17 for six generations to breed the maize inbred line S37. The S37 bred according to the method provided by the invention has the advantages of high combining ability, moderate growth period, good plant type, good density resistance, high disease resistance and wide adaptability, has become one of excellent inbred lines commonly used in our country, and is an important basic material for the improvement of maize inbred lines and the hybridization breeding in the future.
Owner:辽源市农业科学院

Motor-driven ring-cutting anastomat

The invention discloses a motor-driven ring-cutting anastomat which comprises a meshing cutting mechanism and a driving execution mechanism. The driving execution mechanism comprises a tube body, a transmission screw tube fixedly arranged at the back end in the tube body, a push tube, a center rod, a motor and a clutch. Threads are formed on the inner wall face and the outer wall face of the transmission screw tube. The push tube is arranged in the tube body, the front end of the tube body is connected with a nail pushing assembly of the meshing cutting mechanism in transmission mode, and the back end of the nail pushing assembly is connected with outer threads of the transmission screw tube in meshing mode. The center rod is arranged in the push tube, the front end of the center rod is in transmission connection with a nail abutting seat, and the back end of the center rod is connected with the inner threads of the transmission screw tube in meshing mode. The motor is fixedly arranged in a power cavity fixedly connected with the tail portion of the tube body. The clutch is capable of transferring output of the motor to the center rod or the push tube. The motor-driven ring-cutting anastomat is simple in structure, high in practicability and capable of achieving adjustment and percussion by only one motor, reduces processing cost, is convenient to control, improves using effect, utilizes the motor for percussion and avoids difference caused by manual percussion.
Owner:TIANJIN RAPID PRECISION MACHINERY TECH RES & DEV

Method for carrying out separation and purification on algae species of euglenophyta by adopting flat-panel solid culture medium

The invention discloses a method for carrying out separation and purification on algae species of euglenophyta by adopting a flat-panel solid culture medium, and relates to the technical field of purification of algae species of microalgae. The method comprises the following steps: firstly, centrifuging algae solutions of euglenophyta which is polluted by bacteria and is not subjected to separation and purification, cleaning euglenophyta slurry and removing the culture medium and physiological metabolism substances; then, coating a resistant flat panel added with composite antibiotics with thediluted algae solutions; then further drawing a line and carrying out separation and purification by adopting the resistant flat panel, then performing batch micro-culture by adopting an aseptic 96-hole cell culture plate, transferring into a triangle bottle and carrying out subsequent enlarged culture. By utilizing the method disclosed by the invention, the algae species of euglenophyta are separated, and the method has the advantages of easiness for operation, high efficiency, low cost and the like; the algae species with higher purity can be obtained in a short time, growth periods are shortened, and the probability of success of large-scale growth is improved, so that the aims of increasing the yield and reducing the cost are fulfilled.
Owner:QINGDAO KEHAI BIOLOGICAL
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