145results about How to "Strong dependence" patented technology

A system for guided geospatial image capture, registration and 2D or 3D mosaicking, that employs automated imagery processing and cutting-edge airborne image mapping technologies for generation of geo-referenced Orthomosaics and Digital Elevation Models from aerial images obtained by UAVs and/or manned aircraft.

The invention discloses a Chinese text sorting method based on correlation study between sorts. The method comprises the following steps of: firstly, dividing words of a document and performing rough selection on characteristics by computing word frequencies; secondly, further determining representative word items according to discrimination indexes between the word items and sorts so as to form characteristic word items which are finely selected; thirdly, training the document to be expressed by a tfidf weight and a discrimination index weight according to an index of the characteristic word items; fourthly, establishing a group of two-sort sorters corresponding to different projection vectors and training to obtain a code array expressing the correlation between two-sort sorters; and finally, projecting a multi-vector expression of a new document to all the two-sort sorters, introducing the code array, computing the similarity between each sort and the document, and outputting the maximum of the similarity as a sort judging result of the new document. The new document is sorted based on a correlation studying result between the sorts, and the running efficiency of an algorithm is improved on the premise of ensuring the sorting performance.

A drill string telemetry system comprises an acoustic reflector mounted to the surface end of the drill string. The reflector is adapted to reflect surface-generated torsional acoustic noise away from the drill string. The reflector attenuates the power of 500 Hz torsional acoustic noise power impinging on the reflector by a factor of at least 2.

The invention discloses a method for evaluating the degree of a mechanical fault of a frame-type circuit breaker based on a vibration signal. The vibration signal in the method is a mechanical vibration signal collected by a frame-type circuit breaker mechanical fault detection system in the switching process of the frame-type circuit breaker. The method comprises the steps: employing a wavelet packet to carry out the denoising preprocessing of the vibration signal; carrying out the adaptive decomposition of a denoised vibration signal through employing a local mean decomposition algorithm; screening out the former d PF components with the maximum correlation with an original vibration signal; carrying out the improved multiscale arrangement entropy analysis of al PF components, and carrying out the dimension reduction of a feature vector formed by the above improved multiscale arrangement entropy values through the PCA method; building a fault feature vector; constructing a multi-class supporting vector machine, and carrying out the pattern recognition; carrying out the quantitative evaluation of the severity of the mechanical fault happening in the switching process of the circuit breaker through referring to the fault degree characteristic curves in different fault modes. The method is stable, is reliable and is effective.

The invention provides a micro-service processing method and micro-service processing equipment, which are applied to a server for providing a micro-service, and the method comprises the following steps that: the server receives a message for calling the micro-service from a terminal for consuming the micro-service, and the message comprises a service identifier and an interface identifier of a target micro-service; And then the server determines a corresponding target thread pool according to the service identifier and the interface identifier of the target micro-service, and finally calls the working thread in the target thread pool to execute the message, and the method can limit the fault influence range in the thread pool, prevents the fault influence range from diffusing into the whole micro-service process, and is low in hardware and operation and maintenance cost.

The invention discloses a method for evaluation real-time operation levels of wide-range urban public transport line networks on the basis of GPS (global positioning system) data of buses. The method includes preprocessing data; matching maps with one another; computing travel time indexes; computing station stopping time indexes; computing congestion indexes. Erroneous, repeated, missing and redundant data of the real-time GPS data are processed at the step for preprocessing the data; spatial-time locations of each single GPS point on the corresponding map are estimated at the step for matching the maps with one another; the travel time indexes are travel time indexes of each single bus on a single secondary road section on the basis of map matching data of the single bus, so that travel time indexes of whole road networks can be obtained; single stopping time of each single bus at each single station is computed according to the duration from the moment when the bus is positioned at the station to the moment when the bus leaves the station, and accordingly the station stopping time indexes of the stations can be solved; the travel time indexes and the station stopping time indexes are combined with one another and are analyzed and processed at the step for computing the congestion indexes, and an index which can represent the degree of crowdedness of the road sections by the aid of bus travel time and bus station stopping time can be ultimately solved.

The invention discloses a hybrid direct-current transmission topology structure and a control method. The hybrid direct-current transmission topology structure is characterized in that two groups of thyristor converters are connected in series to form a first converter station, two groups of voltage source type converters are connected in series to form a second converter station, switch elements are respectively mounted at the same positions of the positive ends and the negative ends of the converters, in series connection, of the first converter station or the second converter station or the first converter station and the second converter station, and meanwhile, the same positions of the positive ends and the negative ends of the converters are in parallel connection and crossly connected to the opposite ends through one switch element respectively. The control method includes reducing direct-current power of a direct-current system to zero, and changing states of the switch elements to invert voltage polarity of the direct-current system, thereby achieving overall operation of two poles after inversion of the direct-current voltage polarity or achieving new two-pole direct-current operation by means of crossing of the converters in series connection of the converter stations at both ends. The system of the hybrid direct-current transmission topology structure has advantages of low manufacturing cost as the conventional direct-current transmission and control flexibility as the flexible direct-current transmission, and the like.

The invention provides a formula of crisp vegetable slice food and making method which comprises finishing and cleaning the vegetable raw material, blanching, cooling and airing, passing through heated-air drying (not required), appending flavoring and color substances, then boiling and flavoring according to formulation, loading into dishes, pre-forming and carrying out vacuum microwave drying. The formula comprises vegetable 60-65%, flavoring and coloring substances 10-12%, white sugar 7-8%, water 6-8%, starch 4-5%, glucose 3-4%, trehalose 3-4%, gourmet powder 0.08-0.1%, sweetener 0.02-0.1%.

A semiconductor laser device comprising a laser diode with an integrated photodiode, wherein one of the components of the laser diode with the integrated photodiode is also used for heating the laser diode. A simpler design of a wavelength-controlled semiconductor laser is thus obtained.

It is an object of the present invention to improve the confinement of the carriers within a VCSEL. As a general concept of the invention, it is proposed to integrate a phototransistor layer structure into the layer stack of the VCSEL.

The invention provides an intelligent vehicle path tracking method and system based on clothoid following. The method comprises the steps of 1, searching a tracking path for GPS points closest to the current position of an intelligent vehicle; 2, traversing the GPS points in the tracking path; 3, generating a clothoid from the current position of the intelligent vehicle to the current traversal point and obtaining relative parameters of the clothoid; 4, obtaining previewing target points according to the relative parameters of the clothoid; 5, generating a clothoid from the current position of the intelligent vehicle to the current previewing target point, and obtaining the angle of a steering wheel of the intelligent vehicle according to the relative parameters of the clothoid. According to the intelligent vehicle path tracking method and system, the intelligent vehicle path tracking precision can be improved, the steering wheel can rotate smoothly, and it is ensured that the intelligent vehicle travels smoothly.

The invention discloses a generator simulation parameters calibrating method by using a measured trajectory and the trajectory sensitivity, and the method mainly aims at the status quo that certain parameters of the generator is difficult to be obtained through the delivery test, and the parameters identification can not get rid of the limitation of the power system simulation model and parameters, furthermore, can not obtain the generator simulation parameters online. The generator parameters sensitivity to the simulation trajectory can be obtained through estimating the error between the measured trajectory and simulation trajectory, and the trajectory sensitivity is sequenced so as to determine the simulation parameter set which greatly affects the measured trajectory, the rectifiable parameters can be optimized and rectified by using the optimization method, thereby obtaining the generator simulation parameters which make the measured trajectory conform to the simulation trajectory. The method avoids the dependence on the model in traditional generator parameter identification method, has simple calculation and online application potential, and can be applied to other component simulation parameter calibration in the power system.

The invention discloses a rapid fault diagnosis method used for a microgrid, which adopts a mode of step-by-step diagnosis and comprises the following steps that firstly, primary diagnosis is carried out by utilizing the switch information of a network, i.e. newly added passive sub-networks are judged as fault regions and fault elements according to the difference of before and after topology analysis results of faults, and for simple faults, a unique fault region and fault element can be determined. For complicated faults, a plurality of suspected fault solutions can be possibly presented in the result of the primary diagnosis of the switch information. At this moment, a second-step diagnosis is entered, and the diagnosis is carried out by utilizing the protection information of the network. A new target function is established in protection information diagnosis by utilizing the protection information of the elements; the fault diagnosis problem of the microgrid is expressed as the 0-1 integer programming problem; a genetic algorithm and tabu search mixed strategy is introduced to solve the target function; and the fault elements are determined by the optimal solution. The invention can effectively improve the fault diagnosis efficiency, reduces the time of fault diagnosis and improves the fault diagnosis quality.

The invention discloses a salt-containing pharmaceutical bath liquid and a preparation method thereof. The salt-containing pharmaceutical bath liquid contains the raw materials as follows: 8-25 parts of anionic surface active agent, 5-15 parts of non-ionic surface active agent, 3-12 parts of zwitterionic surface active agent, 3-8 parts of univalent mineral salt, 1- 5 parts of bivalent mineral salt, 0.5-5 parts of alcohol extract of traditional Chinese medicine, 0.2-5 parts of stearinic acid, -20 parts of polyol, 0.2-5 parts of humectant, 0.1-3 parts of vitamin E, 1-10 parts of lanolin, 1-5 parts of pearl concentrate, 25-60 parts of deionized water, 0.05-0.5 parts of citric acid and 0.01-0.3 parts of essence. In the invention, pure natural Chinese medicine extracts and mineral salts are selectively added on the basis of the traditional bath liquid product, so that the effects of bacteriostasis, toxic elimination and anti-oxidization to skin are achieved. The product has excellent moisture retention, moderate foam height, no irritation to skin and a favorable market prospect.

The method can be used as a substitute for prior art digital information processing method of radar system. The beat frequency signal from fore-end mixer is transferred to amplifying section of IF circuit, after being amplified, it is transfered into comparer. The positve and negative pulse signal from the mixer is clamped in 0-5V (square wave signal) by clamping circuit, after being synchronized, the pulse signal is transfered into counter which is controlled by system pulse generator to do zero clearing at fixed time, to output count value into latch to be drived by driving circuit to display on display circuit. The key of this invention is the realization of comparer, counter, latch and system pulse generator. Said invention overcomes instability of software and complexity of algorithm since that pure hardware design enhances the speed of system responding. It has simple structure, high stability and easy to integrated radar system.

The invention discloses composite slowly-recoverable soft polyurethane foam and a preparation method thereof. The composite slowly-recoverable soft polyurethane foam is prepared from a component A and a component B; isocyanate is adopted as the component A; the component B is prepared from 40%-70% of b1, 20%-40% of b2, 0-30% of b3, 0.1%-20% of b4, a foaming agent accounting for 1%-5% of the total amount of a polyether component, a foam stabilizer accounting for 0.2%-3% of the total amount of the polyether component and a catalyst accounting for 0.2%-5% of the total amount of the polyether component, wherein the polyether component is prepared from b1, b2, b3 and b4, and b1+b2+b3+b4=100; PO-EO copolymerized polyether polyol or polypropylene oxide of which the mass content of epoxypropane is more than 90% and the functionality degree is 3 when the amount is within 200-350 is adopted as b1; PO-EO copolymerized polyalcohol of which the mass content of epoxypropane is more than 50% and the functionality degree is 3 when the amount is more than 1000 is adopted as b2; PO-EO copolymerized polyalcohol of which the mass content of PO is more than 80%, the functionality degree is 3 and the primary hydroxyl content is more than 70% when the amount is more than 1000 is adopted as b3; PO-EO copolymerized monohydric alcohol of which the mass content of EO is more than 75% when the amount is more than 1000 is adopted as b4. The composite slowly-recoverable soft polyurethane foam has the dual characteristics of structural-type slow recovery and air bag-type slow recovery, and the slow recovery of the foam is little in dependence on an isocyanate index and the usage amount of slowly-recoverable polyether.