31results about How to "Real-time data processing" patented technology

The invention discloses a miniaturized universal platform for preprocessing remote-sensing satellite data. Hardware equipment of the platform comprises a common PC (Personal Computer) server, an NFS (Network File System) storage system and decompression equipment among which communication is carried out by an Ethernet; a basic structure of the platform comprises an inner core layer, a module layer and a service layer; the common PC server comprises a management node and a processing node; the inner core layer and the service layer are deployed on the management node; the module layer is deployed in the NFS storage system; the decompression equipment outputs a signal to a demodulator to carry out data format decompression processing; the module layer comprises various data processing algorithms of remote-sensing satellites and the data processing algorithms operate on the processing node when being called; the service layer analyzes an XML (Extensible Markup Language) file which is input from outside and describes the processing flow of the remote-sensing satellites to be processed, selects the algorithms suitable for data processing of the satellites from the module layer and carries out service logic combination on the algorithms; and the inner core layer calls the corresponding algorithms in the module layer according to the service logic relation, carries out data processing on data output by the decompression equipment and generates needed data products.

The invention relates to a pipe jacking project automatic measurement system and a method thereof. The pipe jacking project automatic measurement system comprises auxiliary observation stations established at the turning positions in the pipe jacking construction. Each auxiliary observation station consists of an automatic leveled base and a measurement robot total station. A data terminal of each measurement robot total station is connected with a data port of a computer by a shielded cable. Measurement data is processed by the computer. Each total station is sequentially controlled by the computer to orderly carry out transfer measurement. According to the invention, measurement robots are adopted to be connected with the programmed computer and the computer commands each measurement robot to carry out automatic tracking measurement according to a program. The system and the method thereof can be used for conveniently and timely measuring actual coordinate values of a tool head in various curve pipe jacking projects.

The invention provides an undulatory wear detection device and an undulatory wear detection method. The undulatory wear detection device comprises an encoder, at least one accelerometer, at least one photoelectric displacement meter, a front preprocessing device and a QNX system. The encoder is arranged on an axle of a train; the at least one accelerometer is arranged on a frame of the train and used for measuring acceleration signals according to train traveling distances measured by the encoder; the at least one photoelectric displacement meter is arranged on the frame of the train and used for measuring photoelectric displacement signals according to the train traveling distances measured by the encoder; the front preprocessing device is connected with each accelerometer and each photoelectric displacement meter and used for amplification and filtration of the acceleration signals and the photoelectric displacement signals; the QNX system is connected with the front preprocessing system and used for synthesizing the preprocessed acceleration signals and the photoelectric displacement signals to obtain an unsmoothness value of a railway and subjecting the unsmoothness value to overrun judgment. By the undulatory wear detection device and the undulatory wear detection method, real-time data processing can be realized, and the problem of loss of a great quantity of cache data is solved.

The invention discloses an apparatus and method for route planning based on a PM2.5 healthy trip. The apparatus comprises three parts of a vehicle-mounted PM2.5 detector, an information transmission module, and a server terminal, wherein the information transmission module includes a GPS module and a GPRS module; the server terminal includes a route planning module; and the PM2.5 detector is mounted on a floating vehicle and is connected to the information transmission module, which is connected to the server terminal. A mobile device of a user can easily access data in the server terminal by means of a browser. According to the method, an improved Dijkstra algorithm is adopted, an integrated PM2.5 concentration is mainly taken as impedance, and a minimum total concentration is taken as a target. A healthy trip is planned according to an optimized function taking a PM2.5 optimal route as the target.

The invention provides a real-time range measurement system based on quantum entangled light. The real-time range measurement system comprises a light source module and a circuit module, wherein the light source module is used for generating signal light and reference light; the circuit module is used for calculating a distance to be measured based on the input signal light and reference light. The light source module comprises a semiconductor laser, a filter, a one-quarter wave plate, a half-wave plate, a polarizing film, a periodically polarized crystal and a polarization beam splitter, wherein the semiconductor laser is used for generating pump light which is orderly incident into the one-quarter wave plate, the half-wave plate, the polarizing film and the periodically polarized crystal and then filtered out by the filter, and meanwhile, H polarized light and V polarized light are generated; the polarization beam splitter is used for separating out the signal light and the reference light from the H polarized light and the V polarized light. The invention also provides a corresponding method. The anti-jamming characteristic of the real-time range measurement system based on quantum entangled light is improved by use of a second-order association algorithm; besides, the real-time range measurement system is capable of realizing real-time data processing by use of FPGA (Field Programmable Gate Array), and therefore, data acquisition and data processing can be carried out simultaneously.

The invention discloses a vehicle-mounted aggregation safety alarm system, and relates to the technical field of the public security. The system comprises a cloud server, a camera, a wireless communication module, a face recognition device, an active alarm device and a controller; the camera is used for capturing a face picture or shooting a video stream; the face recognition device is used for extracting face image characteristics in the captured face picture or the shot video stream; the wireless communication module is used for sending the captured face picture or the shot video stream or the face image characteristics; the cloud server is connected with an escaped prisoner database of a public security system and a public security platform; the cloud server is used for comparing the face image characteristic with the escaped prisoner database and identifying the same; the active alarm device is used for performing active alarming by a driver end when a dangerous event occurs. The escaped prisoner in the vehicle can be precisely identified by adopting the above technical scheme, the law enforcement efficiency of the public security personnel can be improved, thereby ensuring thesecurity of the passenger in the vehicle.

The invention relates to an optical fiber end face integrated fluorescence and absorption spectrum testing device for the detection of water pollution, and belongs to the technical fields of spectroscopy application and environmental monitoring. An optical fiber end face integrated efficient optical feedback mirror and a preparation method thereof are provided. A method for designing a fluorescence and absorption spectrum testing microcavity structure in combination with the feedback mirror and for integrating with an end face of an optical fiber is further provided. The advantage of an optical fiber sensor is taken to integrate an excitation light source used for testing a fluorescence spectrum, a lighting source for testing an absorption spectrum, and a spectrum data acquisition functionon the end face of the optical fiber through a shunt optical fiber, and the optical fiber sensor is connected with the microcavity structure to form a sensor probe, therefore, the optical fiber sensing function based on the same probe is achieved. The device has the characteristics and advantages of integration of fluorescence emission and testing of the absorption spectrum on a single device, real-time field test, miniature integration of elements, and portable instruments and equipment.

The invention discloses an intelligent man-machine interaction infinite network control module which comprises a mobile computing equipment hardware layer, a Flask rear end, an internal API, a processcontrol module, a video and audio output module, a GPIO control module, an HTML template rendering module and peripheral equipment. During use, peripheral equipment is connected to the GPIO control module and the video and audio output module; the equipment is connected to a network, an administrator user is connected with the same local area network through an external computer to enter a configuration interface of the device, the operation process of Internet of Things control is visually completed by dragging a corresponding module, the configuration process is simple and rapid, intelligent automation is achieved, and the processing complexity of Internet of Things device access is reduced; the full life cycle of the Internet of Things data from generation to recovery is realized, quick access of household Internet of Things equipment is facilitated, the summary efficiency of different Internet of Things data can be improved, and the environmental protection benefit is obvious.

The invention provides a tunnel disaster pre-warning system based on an SCADA technology. The tunnel disaster pre-warning system comprises a field-level data collecting system, a field foreign matterprotection system and a work-area-level monitoring system. Simulating signals collected by the field-level data collecting system are transmitted to the work-area-level monitoring system to be displayed in real time and meanwhile compared with limiting values of various parameters set by a control interface of the work-area-level monitoring system. If the simulating signals exceed the limiting values, the work-area-level monitoring system drives an audio frequency alarming module to start the field foreign matter protection system for active protection simultaneously. According to the tunnel disaster pre-warning system based on the SCADA technology, existing tunnel disaster prevention and rescue equipment is utilized to be combined with a remote automatic control technology so as to builda railway tunnel disaster prevention and rescue equipment monitoring system, the state of a construction area of a railway tunnel is monitored remotely in real time, automatic alarming is conducted when the danger is found, meanwhile operation of related equipment can be remotely controlled, and the emergency field rescuing function is achieved.

The invention provides a box-type substation. The box-type substation is characterized by comprising an intelligent monitoring unit, an electric measurement loop, control equipment, signal equipment and breaker equipment. According to the box-type substation, extendible and flexible configuration, concentrated control and management, function dispersion, real-time data processing and safe and reliable transmission are achieved; and the operation is flexible and convenient. The intelligent monitoring unit comprises an anti-condensation protection system, a transformer room-temperature protection system and a parameter displaying and setting system.

The invention relates to a push-pull intelligent electronic whiteboard teaching system. The system comprises a push-pull intelligent electronic whiteboard main body and a system control computer; thepush-pull intelligent electronic whiteboard main body comprises two guide rails, a lifting motor, two pulling chains, a mobile controller, a first panel and a second panel; the two guide rails are vertically installed on the two sides fixedly and are parallel to each other; the lifting motor is installed in one guide rail; the two pulling chains are installed in the two guide rails respectively; the mobile controller is fixedly installed in the guide rail; the first panel and the second panel are fixedly installed on the two pulling chains and are each shaped like a rectangle; when a person needs to push and pull the first panel or the second panel to move in the opposite directions vertically, the person only needs to make a finger slide in the needed moving direction on the first panel or the second panel, and then the first panel and the second panel can move up and down synchronously and alternately in the guide rails in real time. Accordingly, whiteboard writing notes can be stored, modified and deleted in real time, and collection and transmission of white board writing content data are completed.

The invention discloses an electric vehicle charging navigation system and a method based on edge calculation. The system comprises a terminal layer used for collecting data of a vehicle-mounted terminal and a charging station sensor, an edge layer used for charging navigation strategy operation, and a cloud layer used for selecting a base station with the most residual resource proportion to provide charging navigation service for a user. According to the method, the overall computing performance of the system is improved mainly by utilizing edge calculation, and the flow is loaded by more nodes of the edge calculation, so that the data transmission speed is higher, is closer to terminal equipment, the transmission is safer, and the data processing is more instant, thereby releasing the computing performance of the cloud layer for optimal distribution of the edge calculation; and the electric vehicle charging efficiency and the user charging experience quality are improved.

The invention relates to a nine-axis sensor-based vibration alarm method, device and system. The method comprises the following steps that: S1, the three-axis gyroscope data, three-axis acceleration data and three-axis magnetic moment data of a nine-axis sensor are collected; S2, real-time data fusion analysis is performed on the collected data through Fourier transform, wavelet transform and Hilbert-Huang transform; and S3, normal vibration data features and abnormal vibration data features are extracted according to a data fusion analysis result, and vibration warning is performed accordingto the extracted abnormal vibration data features. The method has the advantages of low false alarm rate, timely response, wide frequency spectrum range, high sensitivity, low power consumption and low cost.

The invention discloses a measurement and control device operation state real-time monitoring and self-inspection report automatic generation method and system based on an edge computing micro-service technology. The method comprises the following steps of collecting operation and maintenance data and writing the operation and maintenance data into a database for unified management; taking the basic operation and maintenance data as input information to diagnose and analyze the running state of the system; diagnosis analysis of application data is carried out on the basis of measurement and control real-time application data; and integrating results of system operation state analysis and application data analysis, performing correlation analysis and comprehensive diagnosis, and automatically generating a diagnosis analysis report. Real-time collection and management of device system operation state information are carried out, system operation analysis is completed, system operation quantitative indexes are given, a staged operation detection report is automatically formed, meanwhile, the system operation information and the operation state detection report can be displayed through various different formats, an effective monitoring means is provided for operation and maintenance services, and the system operation and maintenance efficiency is improved. And the operation and maintenance data collection efficiency is improved.

The invention relates to a power line broadband carrier semi-parallel transmitter, comprising a discrete cosine transform DCT module which is use for transforming a real signal, wherein the signal after transformation in a frequency domain is also the real signal; a matrix module, wherein M outputs of the discrete cosine transform DCT module are multiplied with two matrixes, so 2M mutually orthogonal output signals can be obtained, and a peak-to-average power ratio of the signals is reduced; and a multiphase filter, wherein a high-order FIR filter is replaced by a plurality of low-order FIR filters, and the calculation quantity is reduced, and the adjacent channel interference is inhibited. The invention also discloses a realization method of the power line broadband carrier semi-parallel transmitter. According to the power line broadband carrier semi-parallel transmitter and the method, through utilization of the energy concentration characteristic of DCT, the operation quantity is greatly reduced, and real-time data processing is realized. The peak-to-average power ratio of OFDM (Orthogonal Frequency Division Multiplexing) signals is reduced, and the adjacent channel interference is inhibited. Resource sharing is facilitated, namely, a plurality of subcarriers can be realized on the same FPGA device, so parallel data processing is realized, and the optimum balance between resource consumption and a resource utilization rate is realized.