Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

109results about How to "Simplify the matching process" patented technology

Matching method, equipment and system of tire pressure monitoring system

The invention discloses a matching method, equipment and system of a tire pressure monitoring system, belonging to the field of active safety of automobiles. The method comprises the following steps: detecting whether a wireless signal of a first tire pressure sensor is received in a preset time interval, wherein the first tire pressure sensor is any one of preset tire pressure sensors in a vehicle; detecting whether a wireless signal of a second tire pressure sensor which meets the preset conditions is received in the preset time interval, wherein the second tire pressure sensor is different from the preset tire pressure sensors in the vehicle; and replacing the data carried by the wireless signal of the first tire pressure sensor by using data carried by the wireless signal of the second tire pressure sensor which meets the preset conditions when the wireless signal of the first tire pressure sensor is not received in a first preset time threshold and the wireless signal of the second tire pressure sensor which meets the preset conditions is received. According to the matching method, equipment and system of the tire pressure monitoring system, which are disclosed by the invention, the problems that the matching process of the tire pressure monitoring system is complicated and the time consumption is relatively high are solved, the effect of simplifying the matching process is achieved, and the method, equipment and system are used for matching the tire pressure monitoring system.
Owner:CHERY AUTOMOBILE CO LTD

Semantic matching method and device and storage medium

The embodiment of the invention discloses a semantic matching method and device and a storage medium, and is applied to the technical field of information processing. The method includes: enabling Thesemantic matching device to determine word pair characteristics of the to-be-matched text and the target text according to the first word characteristic of the to-be-matched text and the second wordcharacteristic of the target text; And converting the word pair characteristics, the first word characteristics and the second word characteristics into semantic matching vectors, enabling the formatsof the semantic matching vectors to be the same as the format of input data in a preset semantic classification model, and determining the similarity between the to-be-matched text and the target text according to the semantic matching vectors and the semantic classification model. In this process, when a semantic matching vector is determined, the text to be matched and the target text are directly obtained, the time of multiplication calculation between vectors is saved, the matching process of the text to be matched and the target text is simplified, then the structure for achieving semantic matching is simplified, and the training process of the structure for achieving semantic matching is correspondingly simplified.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Converse measuring method and device based on axial direction stereovision

The invention discloses a reverse measuring method based on axial stereo view and an arrangement for the method, which essentially comprises two cameras arranged in axial direction, a circular truncated cone inner mirror, a structure light generator and other accessories. During the measuring, the object to be measured is placed on a lifter moving up and down, the structure light generator projects circular plane structure light on the object; a section light stripe is formed at the perimeter after modulation of the surface shape of the object. The two axial cameras concurrently capture the virtual image of the section light stripe in the circular truncated cone inner mirror; then based on the special restricting relationship of outer pole-line of the axial cameras, rapid matching of pixels of same source is carried out; based on the principle of axial stereo vision, the spatial coordinates of each sampling points on the virtual image of the light stripe are calculated. Finally, the shapes of each section on the object are calculated in the symmetry principle of object and image; and the geometric model of the whole object is reverse calculated by axial splitting of section data. For the method, the structure is simple, the equipment cost is low, and the measuring speed is high.
Owner:ZHEJIANG UNIV

Intelligent impedance matching device of LC resonant antenna

The invention relates to an intelligent impedance matching device of an LC resonant antenna. With the intelligent impedance matching device adopted, problems such as manual matching, long time matching, complicated process and low precision in an existing antenna impedance matching method can be solved. The intelligent impedance matching device includes the LC resonant antenna, an adjustable matching circuit unit, a test circuit unit and a micro controller; a planar spiral inductor and a parallel plate capacitor are connected in series so as to form the LC resonant antenna; the adjustable matching circuit unit includes an inductor, a first adjustable capacitor array and a second adjustable capacitor array which are in pi-shaped impedance matching network connection; the test circuit unit includes a signal generator; a Wheatstone bridge is connected between two ends of the signal generator; and four bridge arms of the Wheatstone bridge respectively are a first resistor, a second resistor, a third resistor and the adjustable matching circuit unit. The intelligent impedance matching device of the invention has the advantages of high matching efficiency, short matching time, simple matching process, high matching precision and low cost, and can be greatly adaptive to the development of some handheld RF devices.
Owner:ZHONGBEI UNIV

Gravity matching method based on improved mean-square deviation (MSD)

The invention belongs to the technical field of a gravity-aided inertial navigation system, and particularly relates to a gravity matching method based on improved mean-square deviation (MSD). The method comprises the following steps: determining reference position information; leading in a position error vector; determining a cost function; determining a position error vector for minimizing the cost function E, so as to obtain a final position. Aiming at the problems of large calculated amount and much elapsed time of the traditional gravity matching method, a position error vector is led in to determine the cost function on the basis of the MSD; the matching process in the matched computer is simplified; the work efficiency of the matched computer is improved on the basis of ensuring the matching accuracy. By adopting the method disclosed by the invention, the position error vector is obtained by leading in an SOR iteration method, and the convergence rate is faster. A gravimetric database is utilized by general matching methods; the accuracy of the existing gravimetric database needs to be further improved. Only the gravity abnormality value and the variation gradient of a point on a reference track are utilized in the matching process of the method; dependence on the gravimetric database is alleviated.
Owner:HARBIN ENG UNIV

Preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and prepared intermediate and salt thereof

The invention belongs to the technical field of chemical synthesis and particularly relates to a preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and a prepared intermediate and salt thereof. Diaminoaleo dinitrile and trifluoroacetic acid ester are subjected to aminolysis of ester with solvent or without solvent, amide is obtained, the amide is then subjected to intramolecular dehydration, a crude product of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, after the crude product is purified, high-purity dehydrate of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, then the high-purity dehydrate is mixed with water phase suspension liquid of salt of metal elements and stirred for a reaction, after the reaction is ended, filtering is conducted to remove an undissolved substance, filtrate is evaporated to be dry in a rotary evaporation mode, after dissolution with solvent is conducted again, filtering, rotary evaporation and vacuum drying are conducted, and the high-purity 4,5-dicyan base-2-trifluoro-methylimidazole salt is obtained. The condition of the whole technological process is safer and milder compared with those of other processes for producing the 4,5-dicyan base-2-trifluoro-methylimidazole, and the preparation method meets the requirement for scaled production.
Owner:武汉海斯普林科技发展有限公司

4,5-dicyano-2-trifluoromethylimidazole, its preparation intermediate and preparation method of its salt

The invention belongs to the technical field of chemical synthesis and particularly relates to a preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and a prepared intermediate and salt thereof. Diaminoaleo dinitrile and trifluoroacetic acid ester are subjected to aminolysis of ester with solvent or without solvent, amide is obtained, the amide is then subjected to intramolecular dehydration, a crude product of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, after the crude product is purified, high-purity dehydrate of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, then the high-purity dehydrate is mixed with water phase suspension liquid of salt of metal elements and stirred for a reaction, after the reaction is ended, filtering is conducted to remove an undissolved substance, filtrate is evaporated to be dry in a rotary evaporation mode, after dissolution with solvent is conducted again, filtering, rotary evaporation and vacuum drying are conducted, and the high-purity 4,5-dicyan base-2-trifluoro-methylimidazole salt is obtained. The condition of the whole technological process is safer and milder compared with those of other processes for producing the 4,5-dicyan base-2-trifluoro-methylimidazole, and the preparation method meets the requirement for scaled production.
Owner:武汉海斯普林科技发展有限公司

Method and equipment for providing access information of wireless access point

The invention aims to provide a method and equipment for providing access information of a wireless access point; the method comprises the steps of acquiring an access information request of a targetwireless access point of a user, wherein the access information request comprises the identifier information of the target wireless access point and the identifier information of a first adjacent wireless access point corresponding to the target wireless access point; determining matched recommended wireless access points on the basis of the identifier information of the target wireless access point and the identifier information of the first adjacent wireless access point; and providing access information corresponding to the recommended wireless access point to the user. Compared with the prior art, the matching accuracy of the access information corresponding to the recommended wireless access point, which is obtained by the user on the basis of the method and equipment in the invention, with the target wireless access point is higher and the number is less so that an operation process of establishing wireless connection by the user is greatly simplified, delay of successfully establishing the wireless connection by the user is reduced, and the user experience is improved.
Owner:SHANGHAI ZHANGMEN TECH

Big data door access management method and management system thereof

The application relates to a big data door access management method and a management system thereof. The method comprises the following steps: acquiring the times of passing through a door access by auser in the preset time quantum, and determining the frequency of passing through the door access by the user in the preset time quantum according to the times; sending identity information of the user to a door access terminal to store from a database of a server according to the frequency, or removing the identity information from the door access terminal. When the frequency of passing throughthe door access by the user is large, the identity information of the user is stored in the door access terminal, and the verification can be performed by calling the identity information of the userfrom the door access terminal when re-verifying the identity information, an operation of calling data from the database of the server every time is avoided, the data preparation process and matchingprocess are simplified greatly, thereby improving the management efficiency of the door access. When the frequency of passing through the door access by the user is less, the original existent user information can be removed from the door access terminal, thereby avoiding the waste of the storage capacity of the door access terminal.
Owner:博拉网络股份有限公司

Self-overflow type graphene oily sewage treatment device

The invention provides a self-overflow type graphene oily sewage treatment device, wherein the tank body is a horizontal cylindrical sealed container with a nitrogen inlet on the top; the oily sewage inlet is connected to the oil-water separation chamber, and the upper part of the oil-water separation chamber is surrounded by There are water distribution pipes, and multiple water spray pipes are evenly distributed on the water distribution pipes; the right side of the oil-water separation chamber is the first-level oil collection chamber, and a baffle is set between the oil-water separation chamber and the oil collection chamber; the right side of the oil collection chamber is Sewage chamber, the right side of the sewage chamber is the water production chamber; there is a water distribution pipe between the sewage chamber and the water production chamber, and a water spray pipe is opened on the water distribution pipe; the upper part of the water production chamber and the lower part of the water spray pipe are covered with graphene The end of the graphene-based membrane is provided with an oil collection tank; the bottom of the oil collection tank is provided with an opening, which is connected to the secondary oil collection chamber, and the bottom of the oil collection chamber has a dirty oil outlet; the advantages are: high oil removal efficiency , small footprint, strong pollution resistance, wide requirements for influent water quality, can well adapt to the working conditions of oilfield sewage, and the supporting treatment process is simple.
Owner:SENUO TECH CO LTD

Parameter matching method of constant pressure network power system of hydraulic hybrid vehicle

ActiveCN103991373ASolve the parameter matching problemMatching method is simpleGas pressure propulsion mountingPlural diverse prime-mover propulsion mountingTraffic volumeHydraulic hybrid vehicle
The invention discloses a parameter matching method of a constant pressure network power system of a hydraulic hybrid vehicle. The constant pressure network power system of the hydraulic hybrid vehicle comprises more than one hydraulic transformer, and for simplifying calculation, a hydraulic transformer group consisting of more than one hydraulic transformer is equivalent to one hydraulic transformer, namely the equivalent hydraulic transformer. The transformer equivalent power, transformer equivalent flows and transformer equivalent displacement represent the performance of the equivalent hydraulic transformer. Therefore, the pressure of a constant pressure network, performance parameters of the equivalent hydraulic transformer, the number of the hydraulic transformers and the displacement and number of hydraulic motors are gradually confirmed according to characteristic driving force of a calculating system and internal relation of parameters. By adopting the method, the parameter matching problem of a hydraulic hybrid vehicle system including the hydraulic transformers is solved, and the matching method is simple and effective, flexible in parameter selection and good in applicability.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Power supply driver automatically matched with various specifications of light source loads, lamp and drive method

The invention provides a power supply driver automatically matched with various specifications of light source loads, a lamp and a drive method. The power supply driver comprises a digital power supply driver and a feedback circuit; the power supply driver comprises a detection mode and a normal working mode; in the detection mode, a first controller provides a first voltage for the feedback circuit through the driving circuit; the feedback circuit provides a feedback signal for the first controller through the first detection resistor; and after an obtained feedback signal conforms to a predefined format, the power supply driver enters a normal working mode, the first controller provides preset voltage for the feedback circuit through the driving circuit, the feedback circuit does not work, and a light source to be driven emits light. Therefore, the first controller knows the working requirement of the light source through the feedback information of the feedback circuit in the detection mode, and provides the voltage meeting the working requirement of the light source for the light source in the normal working mode, so that one power supply drive can be automatically matched withlight source loads of various different specifications.
Owner:OPPLE LIGHTING +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products