1106results about How to "Difficulty of Simplification" patented technology

The invention discloses a detecting and recognition method of moveable and visible foreign matters and bubbles in liquid medicines, which is characterized in that the method comprises the following steps: (1) a continuous multi-frame image of a liquid medicine to be detected is obtained; (2) the image is preprocessed; (3) a moveable object is extracted, and a reinforced image is obtained; (4) the moveable object is partitioned as follows: an improved two-dimensional maximum entropy threshold partitioning algorithm is applied into the processing of the reinforced image and a two-dimensional histogram that is formed by grayscale and average neighborhood grayscale is adopted for choosing threshold, thus obtaining a partitioned image; (5) the movable object is traced; and (6) the image is identified and determined as follows: a movement trace of the object is obtained according to the tracing result, objects inducing foreign matters and bubbles are identified and distinguished by utilizing the continuity and the directivity of the object movement trace, and consequently whether the liquid medicine is qualified is finally determined. Under the condition of ensured algorithm precision, the detecting and recognition method of moveable and visible foreign matters and bubbles in liquid medicines adequately simplifies computation, improves the real-time property of the algorithm, greatly raises the accuracy of foreign matter and bubble identification in the liquid medicine, and lowers the false detection rate of the medicine.

The invention relates to an intelligent vehicle lane change path planning method based on a polynomial and radial basis function (RBF) neural network. The intelligent vehicle lane change path planning method comprises the following steps that: the state information of obstacles and lane change vehicles in lanes are detected and determined according to a vehicle-mounted sensor, and the state information comprises positions, speed, acceleration and shapes; the lane change vehicles and the obstacles are geometrically covered, and in addition, a lane change path model using the time as the independent variable is built; boundary conditions of the lane change vehicles are obtained by the dynamic RBF neural network; the lane change path parameter is subjected to traversing in a certain range according to a certain step length, and the calculation of a polynomial method is combined to obtain the lane change path set under the specific boundary conditions; index functions for evaluating the merits of the lane change patch performance are defined, the optimal path in generated lance change paths is screened according to the index functions and is applied to the practical lane change process of vehicles; and whether the RBF neural network is updated or not is determined according to the merits of the boundary conditions of the generated lane change paths. The neural network has good self-adaption capability, so that the problem that the RBF neural network structure is oversize or undersize is solved.

The invention provides a CPU virtualization method based on processor partitioning technology, which comprises the following steps: aiming at a multi-core or many-core platform, firstly, dividing a CPU core into a management core (H-Core) partition and a plurality of general core (G-Core) partitions; then, allocating management tasks and privileged domains in a VMM into the H-Core partition for operating; dividing general client domains operating on the VMM into different virtualization task subsets according to individual characteristics; and allocating the virtualization task subsets into the corresponding G-Core partitions for operating. Different scheduling policies and resource allocation policies can be realized aiming at different types of virtualization tasks in different CPU partitions. The CPU virtualization method of the invention improves the safety and the reliability of the virtualization system on the multi-core or many-core platform, reduces the complexity of CPU virtualization, simultaneously simplifies the complexity of overall resource allocation and scheduling, improves the capacity of the VMM for allocating and scheduling computing resources, and has the advantages of safety, reliability, high efficiency and high performance.

The invention discloses a method, a device and a system for television remote control by a mobile terminal. The method includes acquiring control encoding information of controls included in a current television GUI (graphical user interface); sending a graphic recurrence control command to the mobile terminal connected with the television wirelessly; receiving input event information sent by the mobile terminal; and confirming a targeted control on the current television GUI according to operand information, and performing corresponding operation of operating command information to the targeted control. The graphic recurrence control command includes the control encoding information which is used for commanding the mobile terminal to generate a control interface including a control corresponding to the control encoding information, and the input event information includes the operand information and the operating command information, which are acquired on the control interface by the aid of the mobile terminal. The method, the device and the system for television remote control by the mobile terminal support remote control on the complex television GUI by the mobile terminal, so that remote control on the television by the mobile terminal can be achieved at low cost.

The invention discloses a method for implementing the log management and monitoring alarm of a container cloud platform based on kubernetes, and the method comprises the steps: writing and running a configuration file, deploying filebeat to each node in a kubernetes cluster, mounting a path of the target log, configuring a monitoring target, an alertmanager alarm template and an alarm informationreceiving address, isolating the workspace of each user and providing an external interface; synchronizing the log generated by the container of each node to the kubernetes cluster, providing the external interface by elasticsearch to display the data, gathering the monitoring information generated by the container running at each node into prometheus, and performing the matching with the alarm template; sending an email or SMS by alertmanager when the alarm condition is triggered. The method of the invention can enable a business party to perform maintenance analysis of massive data based onthe cloud platform service scheduling after configuring and logging in the container cloud platform, and provides a user-friendly solution to reduce the difficulty, complexity and cumbersomeness in analysis of a log and monitoring.

The invention discloses a text sentiment classification method based on a deep learning combined model. The method comprises the steps of (1) training a word vector and a character vector; (2) performing word segmentation for each sentence of an annotated text, filling to a fixed length to obtain a training dataset I, performing character segmentation on each sentence of the annotated text, filling to the fixed length to obtain a training dataset II; (3) endowing words and characters of the two training datasets with corresponding word vectors and character vectors; (4) training the two training datasets by use of a text CNN (Convolutional Neural Network) and an improved Dynamic CNN model to obtain four base classifiers, wherein a progressive learning method is adopted as a training methodand a focal loss function is adopted as a loss function and (5) combining the four base classifiers to obtain the text sentiment classification method of a combined model. The text sentiment classification method implemented by the invention does not depend on a specific sentiment dictionary, is not limited to a specific field and has high universality and expandability.

The present invention provides a method and a system for controlling illumination; the system comprises a luminance controller which is used for confirming the control operation with the present luminance and converting the information of control operation into radio frequency signal for emitting; lamp controllers which are connected with every controlled lamp and used for receiving the emitted radio frequency signal; and then fetching the information of the control operation from the radio frequency signal and controlling the state of lamp according to the fetched information. The method comprises that the luminance controller confirms the control operation with the present luminance and converts the information of control operation into radio frequency signal for emitting; lamp controllers receives the emitted radio frequency signal and then fetches the information of the control operation from the radio frequency signal and controls the state of lamp according to the fetched information. The present invention utilizes the pattern of wireless automatic network to control the luminance according to the actual luminance on the site; no people are needed and the present invention can save power effectively.

The invention relates to a method for realizing precise geometric positioning in a radio communication network, which comprises the following steps: a. screening out the most typical RSSI value of points to be tested in the radio network; b. calculating the distance between the points to be tested and reference points; c. determining the location information of the points to be tested according to the information of the distance between the points to be tested and the two reference points, and the information of the locations of the two reference points; and d. determining the final positioning information of the points to be test according to the location information of a plurality of groups of points to be tested. Compared with the prior zone location and simple weighted average location, the method adopts the most basic geometric method to locate the points to be tested and significantly increases the precision. By using the method of combining the equation of a circle and a trigonometric equation is adopted, a quadric equation set in two variables is transformed into a quadric equation set, thereby simplifying procedure realization. Different processing methods are adopted according to different forms of circle intersection, all situations that are possible to occur are handled wherever possible, thereby ensuring the practicability of the method.

The invention discloses a micro disperse pump which comprises a pump chamber, a one-way valve, a pump inlet, a pump outlet and a driving device inside the pump chamber; wherein, the one-way valve is between the pump chamber and the pump inlet, and between the pump chamber and the pump outlet; the one-way valve is a wedge disperse tube with different positive and passive fluxes; the fluid of pump chamber can be expanded and contracted to generate pressure difference, and according to the different pressures of positive and passive fluxes in the wedge disperse tube, to generate one-way continuous fluid transmission. The inventive micro disperse pump can drive fluid via adsorbing fluid or directly drive fluid. The production is based on silicon micro-mechanical processing technique and micro-mould technique, with simple process, lower cost, high reliability and the application for integrating other micro-fluid systems. It has wider application in the micro-fluid control analysis chip.

The invention discloses a modular computer forensic system and method based on hardware virtualization. The modular computer forensic system comprises an initialization drive, a system control center, a system support module set and a forensic function module set. The method is based on the hardware virtualization technology, a light virtual machine is set up through the initialization drive when an operation system operates, the system control center supports a hardware virtual platform and manages all sub modules, and the system support module set supports all basic functions of the forensic module set. According to the method, interfaces of the forensic function module set are standardized, multiplexing and extension of the modules are supported, and forensic tools can focus on the core function, and a large amount of repetitive work is reduced; no codes of the target operation system need to be modified, performance losses are low, memory usage is less, a safe and credible real-time forensic foundation platform is set up, and convenience is brought to acquisition of the various forensic tools based on virtualization.

The invention discloses a protocol automatic testing method and a system thereof. The method comprises the following steps: a server end stores test cases and configures testing parameters; the server end and a user end are configured with the same channel parameters which include parameters for a control channel between the server end and the user end and parameter for a test data channel between the server end and the user end; the server end sends a start command to the user end on the control channel; after receiving the start command, the user end feeds an acknowledgement signal back to the server end on the control channel; and after receiving the acknowledgement signal, the server end sequentially invokes the test cases according to the testing parameters, and carries out the test cases together with the user end on the data test channel. The method and the system overcomes the shortcoming that automatic testing can not be carried out in the prior art, and needs not to install any additional equipment for testing.

The invention relates to a cascading failure search and weak link analysis method based on an operation reliability model. The method comprises steps: initial failure is generated randomly; a DC power flow is calculated, whether a load threshold-crossing line exists in a power system is judged, if yes, a next step is carried out, or otherwise, the operation is stopped; an initial failure set is generated, and through the operation reliability model, the threshold-crossing line outage probability is calculated; the power system state probability is calculated; if the power state probability is larger than a set threshold and the failure scale is smaller than a set threshold, the power state is added to an alternative failure set, and if no state meeting the condition exists, search is stopped; the initial failure set is taken as an alternative failure set, the current alternative failure set is emptied, and the above steps are repeated. Through searching a cascading failure event in different initial failure and analyzing a system weak link, a corresponding system reform scheme is provided, happening of the cascading failure is prevented, a subsequent event is found during an event development process, and further evolution of the cascading event can be prevented.

The invention discloses a data storage method and a data warehouse system. The data storage method comprises the steps that independent processing commonality data among all application markets in the data warehouse system is determined; the commonality data is classified according to the different business themes and stored in corresponding theme markets, wherein the theme markets are located between the application markets and a basic data warehouse in the data warehouse system and used for supplying data to the application markets and serving as supplementation of the basic data warehouse; the commonality data stored in the application markets is deleted. The theme markets are basic data organization and storage for the business themes and are used for isolating influences of business need changes on an application system architecture; the theme markets emphasize to establish a shared data market shared by application system co-construction, therefore, island-type data communication among systems is eliminated, the uniform data standard is established, and the problems of data islands, repeated processing, data differences and high cost are solved.

The present invention provides a traffic video retrieval system and its implementation method. Among them, a traffic video retrieval system, including: video modules of embedded geographical information, for establishing the corresponding relationship between geographical information and recording video; geographical informationThe storage module is used to alternate geographical information with the corresponding videos; the video retrieval module of geographical information is used to carry out the corresponding retrieval of the video with geographical information through the index table;The retrieved video with geographical information is performed accordingly; the video monitor is used to recording pavement video data and performing corresponding monitoring operations;The video file corresponding to the range is played and the retrieved video files are played.

The present invention relates to a liquid level measuring method. A plurality of ultrasonic sensors above the liquid level is used. A fixed known height difference exists among every sensor for respectively measuring the round-trip flying time that sound wave sent by every ultrasonic sensor passing through the liquid level is reflected into gas, and then, the flying time difference of every sound wave is calculated. The sound speed of gas media is calculated by comparing the height differences to the time differences. Finally, the sound speed multiplies the flying time of the sound wave to obtain the height of liquid level which needs to be measured. The liquid level measuring method is realized by a special measuring device. The special measuring device comprises a measuring probe and an electronic device, wherein the measuring probe is composed of two or more ultrasonic sensors. The present invention has the advantages of that the height of the liquid level can be exactly measured in real time without the effect of the gas media; the precision stability is high; and the on-site correction and the maintenance of the special measuring device are convenient.

The invention discloses a circular floating ocean platform capable of releasing multi-point mooring in the technical field of ocean oil-gas engineering and ships. The circular floating ocean platform comprises a ship body, a floater, a mooring cable and stand pipes, wherein the floater is sleeved to the interior of the ship body, the top of the floater is positioned above the surface of water, and two ends of the mooring cable are connected with the bottom of the floater and a seabed mooring point respectively; and if the lower ends of a plurality of the stand pipes are connected with underwater oil-gas production facilities at the seabed, the upper ends of the stand pipes are communicated to the top of the floater through the bottom of the floater, and connected to an interface on the top of the floater. The ship body has a circular structure, and the center of the ship body is provided with a hollow circular cavity for fixing the floater. The circular floating ocean platform works under severe sea conditions, is released in advance before heavy storm or iceberg or other severe sea conditions to drag a production oil storage and unloading platform ship body to a safe sea area to ensure safety, and is reconnected to recover normal production work after the severe environments.

The invention discloses a curing agent for sludge solidification and stabilization. The curing agent contains the following ingredients by weight percentage: 20-40% of Portland cement, 10-30% of fly ash, 10-30% of lime, 10-30% of ferrous sulfate and 5-12% of inorganic salt, wherein the inorganic salt is one or a combination of more than two selected from aluminum salt, calcium salt, sodium salt and magnesium salt. The curing agent of the invention can treat raw sludge difficult for preliminary mechanical dewatering, simplify the treatment process and difficulty, shorten the construction period, lower the cost of treatment and realize good treatment effect.

The invention relates to a wireless sensor network system used for environmental monitoring inside a spacecraft. The wireless sensor network system comprises: a local network, that is, a data collection and transmission network, which employs a wireless networking technology to collect and transmit an environmental parameter inside a spacecraft; a gateway, which is used for carrying out bridging between the local network and a spaceborne data network / bus so as to realize data exchange between the local network and the spaceborne data network / bus; the spaceborne data network / bus, which is used for realizing communication between terminals on the bus and between a terminal and a spaceborne computer; and the spaceborne computer, which is used for carrying out processing on sensor data collected by the local network and emitting an appropriate instruction according to a result.

The invention discloses a test script processing device, system and method. The test script processing device comprises a data structure acquisition device, a script generation device and a script editing device, wherein the data structure acquisition device is used for acquiring interface information and a data structure of a script from an external server, the script generation device is used for generating a script file frame and padding data according to the interface information and the data structure, and the script editing device is used for editing the script file frame padded with the data to a test script file. Or, the test script processing device comprises a script conversion device, a source code compiling and loading device and a parsing and invoking device, the script conversion device is used for receiving the test script file and converting the test script file into program source codes of the test script file, the source code compiling and loading device is used for performing compiling processing on the program source codes of the test script file, and the parsing and invoking device is used for parsing and invoking the program source codes subjected to compiling processing, and interacts with a to-be-tested system to acquire an execution result of the test script file. By the device, system and method, compilation test efficiency of the test script can be improved, and value of script reutilization can be increased.

The invention discloses an interactive type intelligent network television, which comprises a terminal television. The interactive type intelligent network television adopts a hybrid fiber coax network or INTERNET as a transmission link and also adopts a digital television AIO (all-in-one) or a terminal television connected with a network STB (set top box) as a terminal television. The interactive type intelligent network television is characterized in that an interactive type operation system is arranged in either the digital television AIO or the network STB and receives INTERNET data or digital television data and outputs and displays data on the terminal television. The interactive type intelligent network television integrates voice, video and data, can enable a user to watch television programs as well as search the favorite TV plays or movies for on-demand watching through INTERNET, and can provide a domestic consumer with various interactive businesses including intelligent digital television business.

The invention provides a multimedia question-answering system and method based on an intelligent mobile terminal. The method includes: presetting a business server and a multimedia data storage computing server; allowing a user to log in on the business server through the intelligent mobile terminal, and setting user labels; acquiring question list data of all questions containing the user labels from the business server through the intelligent mobile terminal when the questions needs to be checked, and checking the required questions to obtain related multimedia data for playing; allowing the user to select the user labels from the business server through the intelligent mobile terminal when questions need to be established or answering is needed, allowing the user to upload related multimedia data and the user labels to the multimedia data storage computing server. By the method, the questions can be answered in a multimedia data manner, the questions can be categorized and presented to the user according to the user labels, repeated utilization rate of the questions can be increased, and full knowledge sharing is realized.

The invention discloses an adverse state detection method of transverse pins of rotation double lugs of high-speed rail overhead contact line equipment. The method includes following steps: in a positioning stage, firstly, according to line characteristics of a connecting position at which a cotter pin is located and inclined cantilevers in an image, detecting lower edges of the inclined cantilevers by employing Hough transform and extracting slope characteristics thereof to realize primary positioning of the cotter pin, and then classifying primary positioning pictures by employing a PBoW model; and in a detection stage, performing coarse positioning by employing target geometric distribution characteristics, performing image enhancement by employing a Retinex method according to characteristics of small size, darkness, and weakness of the cotter pin, extracting a circular characteristic of a screw at the connecting position by employing a Hough accumulation matrix, realizing accurate extraction of a circular ring area in which the cotter pin is located, and finally giving detection criteria of deletion of the cotter pin and insufficient field angle according to a in-circular-ring non-communication area distribution rule. According to the method, positioning accuracy of the connecting position of double lugs and the connecting position of upper ends of short diagonal braces and fault detection of falling of the cotter pins and insufficient field angle are realized.

A travelling wave ultrasound motor with a dual stator and rotor multi-diameter shaft structure belongs to the technical field of ultrasound motor. Two groups of stators and rotors are arranged between the external fixing structure and the internal supporting structure of the motor, wherein the external fixing structure is composed of two stator seats arranged opposite to each other, and a drum-shaped shell arranged between the stator seats, the internal supporting structure is formed by limiting the shaft position of the multi-diameter shaft by thrust bearings in the stator seats. The invention not only maintains the advantages of the existing ultrasound motor with single stator and rotor, but also is easier to operate, has more contact structure, higher torque to capacity ratio and stronger anti-interference capacity to external load, thus being especially suitable for fields of aerospace and biomedicine.

The invention relates to a three-dimensional mechanical in-process model sequential modeling method based on removal feature recognition, which mainly aims to solve the technical problems of repetitive work and big application limitation in the prior art. In the method, first of all, the removal features are classified into boundary feature, inset feature, communication feature, thread feature and loop feature. On the basis of the classification, the method includes the steps of: 1) producing a workblank; 2) judging whether a next process is necessary, and if yes, entering the third step; 3) recognizing the removal features in the process, which includes selecting a feature type and recognizing the feature; and 4) modeling the in-process models. All the in-process models are assembled to form a whole process model and are organized by a standard structure of a process all-information model. The method makes full use of the geometrical characteristics of the original components, solves the problem of high quality requirement to the original component model design in three dimensional process design, speedily creates the in-process models according to the practical mechanical processing sequence and improves the overall efficiency of the process design system.

The invention relates to a method for determining a path of a UUV in the process of recycling a mother ship. The method comprises the steps that a circle r is determined, wherein the curvature of the circle r is the tortuosity of the UUV capable of sailing, the circle r and a first straight line L in the opening direction of a dock of the mother ship are tangent, and the circle r and the UUV are on the same side of the first straight line L; a second straight line H which is tangent to the circle r is determined, wherein the second straight line H passes through the current position of the UUV; the tangency point Pg where the circle r and the straight line H are tangent serves as a target point, and the UUV moves towards the target point. Through the method, the difficulty for planning the path can be reduced.

The invention discloses a method for optimizing SAR (Specific Absorption Rate) extended scene imaging on a double-base forward-looking high-mobility platform. The method comprises the following main steps: obtaining an SAR time domain echo signal of a point target at first so as to obtain an echo signal and a range history after the linear moving amount is corrected, and then, carrying out azimuth FFT (Fast Fourier Transform) of the echo signal after the linear moving amount is corrected so as to obtain a two-dimensional frequency spectrum of the time domain echo signal; and carrying out high-order approximation of the range history after the linear moving amount is corrected, carrying out Taylor series development in the range direction after obtaining the phase term of the high-precision two-dimensional frequency spectrum after the linear moving amount is corrected, eliminating the phase space-variant property of the phase term of the high-precision two-dimensional frequency spectrum by adopting high-order polynomial fitting, carrying out range domain IFFT (Inverse Fast Fourier Transform) after obtaining a phase compensation signal having good focus in the range domain through a matching filter designed through the two-dimensional frequency domain, and then, obtaining focused SAR imaging through the matching filter designed in a range-Doppler domain.

The invention discloses a mangrove recognition method and system. The mangrove recognition method comprises the steps of reading a remote sensing image to be recognized, processing the remote sensing image to be recognized by adopting a pseudo color synthesis technology so acquire a corresponding pseudo color image; performing object-oriented multi-scale adaptive segmentation on the pseudo color image based on a super-pixel algorithm so as to acquire a plurality of pseudo color sub-images; performing calculation on attribute parameters for each pseudo color sub-image, and generating corresponding to-be-recognized files carrying vector information; performing mangrove recognition on each to-be-recognized file by applying a comprehensive feature based mangrove recognition algorithm, and acquiring a mangrove area in the remote sensing image to be recognized. According to the invention, adaptive segmentation is performed on the remote sensing image to be recognized by adopting the super-pixel algorithm, pixels in the remote sensing image are grouped by using the feature similarity between the pixels, and the complexity of subsequent image processing tasks is reduced, so that the mangrove recognition efficiency is improved.

The invention discloses a pulse eddy electromagnetism nondestructive detection method based on a probe with an iron core coil. The probe consists of an iron core bundle, an excitation coil and a detection coil, wherein the iron core bundle is arranged in the center of the excitation coil; the detection coil is arranged outside the excitation coil. When the probe with the iron core coil is adopted to perform pulse eddy detection on a part, a strong pulse magnetic field of a dense space can be generated, an excitation magnetic field is increased, the signal to noise ratio of a signal is increased, and pulse eddy detection on a component with a relatively large wall thickness can be achieved under a relatively high lift-off condition. When a pulse eddy electromagnetism nondestructive detection system based on the probe with the iron core coil is adopted for detection, the influence of the pulse eddy field inside the iron core to the detection signal can be measured according to a probe time constant tau s. When tau s is greatly smaller than a part diffusion time constant tau e, the influence of the pulse eddy field inside the iron core to the detection signal can be ignored, the function of the probe with the iron core coil can be approximated to be linear amplification of the detection signal, and thus the signal processing difficulty is reduced.

The invention discloses an overhead contact system rod insulator fault detection method based on Harris corners and image difference. The method includes the following steps: the Harris corners of a selected template image and an image to be detected are first respectively detected; the sequential similarity detection algorithm is then utilized to match the corners in the template image and the image to be detected; the matched corners are then fuzzily clustered, and because matching can cause the loss of useful corners, the corners need to be recovered; afterwards, the least square method is utilized to fit a straight line; finally, according to the symmetry of the images on two sides of the straight line, the image is differentiated, the vertical grey level is calculated, a fault information curve is obtained, and a fault diagnosis is presented. The method realizes the rotation resistance of template matching, moreover, the fault diagnosis is simple, and the method provides a new idea for the development of intelligentized patrol inspection systems for overhead contact systems, and can purposefully enhance the safe reliability of overhead contact systems of electrified railways.

The invention discloses a method for determining the equivalent aeroservoelasticity (ASE) robust stability of a statically unstable aircraft through a flight test, which is used for solving the technical problem of large modeling errors of the conventional flight test determination method. The technical scheme is that: a closed loop transfer function frequency characteristic matrix of a multi-loop system of the statically unstable aircraft can be obtained through a sweep frequency flight test; a relational expression between a closed loop transfer function and ASE stability is established according to a corresponding relation between the closed loop transfer function and an open loop transfer function; and the closed loop transfer function frequency characteristic matrix of the system is subjected to characteristic decomposition, and a multi-loop stability margin analysis scalar equation is obtained according to the critical stability condition of the system, so that the ASE stability of the whole loop is calculated, and problem difficulty is greatly simplified.