106results about How to "Real-time reflection" patented technology

The invention discloses an automobile intelligent speed limiting system and an automobile speed limiting method, and relates to the technical field of automobile safety driving assistance. The automobile intelligent speed limiting system and the automobile speed limiting method can improve accuracy of speed limiting identification recognition and improve driving safety of a driver. The automobile intelligent speed limiting system comprises a camera, an intelligent navigation device, an automobile body sensor and a controller, wherein the camera can recognize road traffic identification boards and extract road traffic identification information through the image processing technology, the intelligent navigation device can provide current road information, navigation route information and national or regional traffic road speed limiting law related information in real time, the automobile body sensor can provide automobile body information in real time, a traffic speed limiting identification database is set up in the controller, the input end of the controller is connected with the camera, the intelligent navigation device and the automobile body sensor, and the output end of the controller is connected with an automobile instrument and an engine ECU. The automobile intelligent speed limiting system is used for assisting in limiting the speed of the automobile.

The invention belongs to the communication technology field, in particular relates to an automatic communication network monitoring system and realization method thereof. The system comprises a network management server, a communication network, and a mobile phone test terminal. The network management server are provided with a network data acquisition module and a base station connection analysis module; the communication network which is a mobile communication network arranged between the network management server and a test terminals, and the mobile phone test terminal which is a mobile phone provided with a network test terminal management module. The automatic communication network monitoring system described in the invention can fast and accurately obtain the concrete condition of network communication quality by a commercial mobile phone, has low data acquisition cost and abundant data size, and can reflect the overall performance of a wireless communication network accurately and at real time, thereby greatly shortening the period for finding and solving problems. Thus, the system provides objective basis for network planning and optimizing, provides reliable data for customer service, and is convenient for communication network maintainers while greatly saving network test cost.

The embodiment of the invention discloses a mobile terminal-based weather information processing method. The method comprises the following steps of: real-time acquiring a current scene where a mobile terminal is positioned; determining a scene image corresponding to the current scene; receiving weather information of a current geographical position where the mobile terminal is positioned; and synthesizing the weather information and the scene image to generate weather forecast information. The embodiment of the invention also discloses the mobile terminal. Due to the adoption of the method and the mobile terminal, current weather and a scene where the mobile terminal is positioned currently can be reflected real-time and intuitively.

The invention relates to an atmospheric pollution monitoring system based on a wireless sensor network, which comprises wireless sensor network nodes, wireless sensor network sink nodes, local monitoring subcenters, a remote control terminal and a mobile phone terminal. Besides the atmospheric pollution monitoring system based on the wireless sensor network, the invention also customizes a wireless sensor network multi-level heterogeneous clustering routing protocol at the stage of network self-organization; the design of the system is reasonable, the system is easy to deploy, and the intelligent degree is high; when being applied on a large scale, the system can balance the energy consumption of the wireless sensor network nodes, accurately and timely reflect the situation of atmospheric pollution and give the alarm, the wireless sensor network nodes within monitored areas can be conveniently self-networked, and are highly scalable, a large-scale monitoring system can be constructed, and the system is suitable for popularization and application.

The invention discloses a detection method and an application of lung cancer genes. According to the application, the detection method comprises the following steps: constructing a cfDNA library, and conducting hybrid capturing on the cfDNA library by virtue of 12659 probes which are designed in accordance with 105 lung cancer associated genes, sequencing the genes by virtue of a computer, and conducting data analysis on a sequencing result, so that comprehensive and accurate lung cancer gene information is obtained. According to the application, the detection method can implement with a small amount of peripheral blood, so that noninvasive detection is actually achieved. The detection method disclosed by the invention, by capturing, sequencing and analyzing important lung cancer genes in ctDNA, can be used for screening lung cancer in the early stage; therefore, related medication gene mutation information is provided for patients with the lung cancer, and an important reference is provided for the early diagnosis of the lung cancer, personalized accurate medication guidance, effectiveness evaluation and prognosis dynamic monitoring.

The invention discloses a three-dimensional environment model reconfiguration method, equipment and system based on image recognition. The method comprises the following steps: extracting and matching feature points, and carrying out back projection by using the feature points to obtain pixel information; and carrying out stereo matching and iterative updating according to the pixel information. The accuracy of reconfiguration of a three-dimensional scene is improved; and visual and accurate reference is provided for follow-up construction management. The equipment runs on the basis of the method, in a whole construction process, modeling is implemented in real time by computer vision three-dimensional reconfiguration, and a construction scene is recovered visually and clearly. According to the system, images are acquired through a helmet, a camera is arranged on the helmet, terminal equipment is arranged on the background, and project management personnel who do not need to enter a construction site can clearly know the construction process of the site. By the management personnel, a three-dimensional reconfiguration model can be compared with an expected planning model of an expected construction process in BIM in real time, deviation in implementation is discovered in time, and the management efficiency is greatly improved.

The invention discloses an intelligent detection system and a detection method of press plate positions. The system comprises at least two intelligent press plates, a repeater and an upper computer, wherein all the intelligent press plates are connected in a cascaded mode and upload self position information to the repeater through a bus network; the repeater is connected with the upper computer in a network mode and used for transmitting the position information of all the intelligent press plates through a network; and the detection system is used for monitoring the real-time on-off states of the intelligent press plates and recording historical running data and can be further upgraded into an expert system for running the press plates. The invention solves the problem of position monitoring of control / tripping press plates of a relay protection system in a power system, realizes the automation of the monitoring of the press plate positions, can accurately reflect the positions of the press plates in real time and avoid error press plate on-off caused by artificial factors, eliminates safe accident hidden troubles caused by error press plate on-off, achieves scientific prevention before accidents and greatly improves the running safety of a power grid.

The invention relates to an automobile speed limit warning system which is characterized by comprising a storing unit, a GPS positioning speed measuring unit, a control unit, an alarm signal transmitting unit and a concept color light generator. The storing unit is used for storing the azimuth mark and speed limit standard of each road; the GPS positioning speed measuring unit is in charge of collecting current automobile speed information and current azimuth marks and outputting the current automobile speed information and the current azimuth marks to the control unit; the control unit divides at least two speed intervals according to the current automobile running speed and the speed limit standards, judges the speed interval in which the current automobile running speed is located and outputs a corresponding warning signal according to the judging result; the warning signal transmitting unit receives signals sent or transmitted by the control unit; the concept color light generator receives the signals of the warning signal transmitting unit and outputs corresponding warning light; and the storing unit, the GPS positioning speed measuring unit and the warning signal transmitting unit are respectively connected with the control unit. The invention also discloses a speed limit method of the automobile speed limit warning system. By adopting the invention, one the one hand, the automobile speed information can be dynamically reflected in real time, and the problem that an overspeed prompt is not in time is radically solved; and on the other hand, a driver can increase the running speed as much as possible in a reasonable range so as to improve the traffic rate of the road.

The invention discloses a novel water metering method for an open channel based on multi-point water level. The invention discloses a water level detecting method based digital image processing, wherein a traditional water gauge is used to simulate a principle that a worker gathers the water level data, so that real-time colour image data of the water gauge is acquired by a camera head; a modern intelligent digital image processing technology is used to divide out a waterline, and the practical water level data is acquired by calculating; finally, the overflowing amount in the open channel iscalculated according to a manning formula. The overflowing amount in the open channel can be quickly, simply and real-time reflected by simulating the principle that the worker gathers the water level data, and employing the camera head and the image processing software. The hardware related by the method is only the camera head and a computer, thus the installation is simple, and the maintenanceis easy.

The invention provides an integral vehicle weight test method and system, and a vehicle. The integral vehicle weight test method comprises steps that S1, a wheel rolling radius, a torque value and acceleration of the vehicle are acquired; and S2, weight of the vehicle is calculated according to the wheel rolling radius, the torque value and acceleration of the vehicle, and a calculation formula of the weight of the vehicle is as follows, M=q[T / R] / A. The test method is advantaged in that the integral vehicle weight can be calculated in real time through utilizing the torque of a self-contained driving motor of the vehicle and the acceleration of the vehicle, not only can no place and equipment limitations and no cost increase be realized, but also the vehicle weight information can be reflected in real time.

The invention relates to the network quality testing technology. The invention provides a mobile network quality on-line testing method and system based on the subscriber calling behavior. The method comprises the following steps: 1) after the mobile phone of a subscriber hooks off, a mobile phone engineering mode is started by a testing module in the mobile phone of the subscriber; 2) during the calling process of the subscriber, the testing module stores test data in a specified test data storage area; and 3) the testing module judges whether the calling quality reaches a preset standard according to the test data; if so, the testing module discards the test data; and if not, the test data are sent to a test data statistical server on the operator side. The testing module uses the mobile phone of the subscriber as carrier; as the subscriber group is large, the mobility is high and the subscribers exist nearly everywhere, the network quality problem can be reflected effectively, timely and completely; and the operating cost is low.

The invention discloses a method and a device for classifying a traffic zone, which relates to the traffic information field, and is characterized in that a classified traffic zone can accurately reflect the intrinsic traffic characteristics in real time. A scheme is as follow: a zone to be classified is gridded according to a real road network; communication record quantity of each base station in each grid is acquired within a first preset time period, and a quantity discrete value corresponding to each base station is obtained; sum-and-square difference comparison is conducted for the quantity discrete value of each base station and a preset group of characteristic curves, and a minimal error characteristic curve with the minimal sum-and-square difference of the quantity discrete value of each base station is selected; the corresponding base station with the same minimal error characteristic curve is classified into the same base station type; the quantity ratio of base stations of the same base station type is calculated in each grid; the type of the grid is determined according to the base station type with the maximal quantity ratio of the base stations in the grid; and the adjacent grids with the same grid type are merged to form a traffic zone. The method and the device are used for classifying the traffic zone.

The invention discloses a multifunctional visual function detection device based on a VR technology and eye movement tracking. The device comprises virtual-reality head-mounted equipment, a displayer,a processor, an eye movement tracking sensor and a control terminal, wherein the displayer is arranged in the virtual-reality head-mounted equipment, the processor is in signal connection with the displayer, the control terminal is in signal connection with the processor and the eye movement tracking sensor, and the processor is used for sending an instruction to the displayer to enable the displayer to present corresponding detection content. The eye movement tracking sensor is used for acquiring response data of the eyeballs of a subject under the action of a visual stimulus on the displayer. The invention also provides a detection method. The detection method comprises one or more of non-social object exploration, a reading test, facial identification and re-identification and sortingof motion tracking reference points and color chess pieces. Through the scheme, the problems of monotonous functions, poor accuracy and the like of existing visual function detection devices are solved.

The invention discloses a method for detecting passenger congestion degree of urban rail transit based on convolution neural network. The method comprises the steps of processing the video to be detected, segmenting and extracting the motion residual image, taking the combination of original image and motion residual image as the input of convolution neural network algorithm, establishing a feature extraction block comprising at least one convolution layer and a maximum pooling layer, processing and calculating crowd state characteristics contained in the original image and the motion residualimage, and then combining the characteristics of crowd state with the characteristics of movement, building to contain at least one convolution layer, a feature fusion block of a maximum pooling layer and a full connection layer, subjecting to fusion processing, at the same time, constructing a classifier to train the convolutional neural network with the pre-fabricated training set with congestion label, so that the classifier can correctly detect the passenger congestion in the video to be measured, more comprehensive characterization of monitoring the passenger flow in the video, to achieve the detection of congestion, and improve the accuracy of the algorithm detection.

The invention provides a power transmission line icing monitoring method and system based on an image processing mode. The method comprises the following steps: graying an acquired power transmissionline image; enhancing the power transmission line image; segmenting the power transmission line image according to a threshold segmentation mode to form a preset number of image blocks; presetting anarea threshold of the power transmission line, calculating the area of the power transmission line in each image block, and judging whether the area of the power transmission line in each image blockis greater than the area threshold; when the area of the power transmission line in the image block is greater than an area threshold, extracting the image block; acquiring edge data of the power transmission line in the image block, calculating the distance of the edge of the power transmission line, and judging whether icing exists or not; and if the transmission line is iced, calculating the icing thickness of the transmission line by utilizing an icing thickness algorithm. The system automatically judges the icing state of the power transmission line and gives out early warning and alarm information in time, and various power accidents are effectively prevented.

The invention discloses a testing apparatus and method for testing tensile strength of fissured rock. The apparatus comprises a fissured platform Brazilian specimen processing device, a stress loadingsystem, an acoustic emission system and a VIC-3D non-contact full-field strain measurement system. The fissured platform Brazilian specimen processing device comprises a base, a specimen mold, a chute, a slide block and a fissure shaping piece; the stress loading system comprises an electronic universal testing machine and a first computer; the acoustic emission system comprises a second computer, a data acquisition case, a pre-amplifier and an acoustic emission sensor; and the VIC-3D non-contact full-field strain measurement system comprises a VIC-3D measuring instrument and a third computer. The method comprises the following steps: 1, preparing a fissured platform Brazilian specimen; 2, building a testing apparatus; and 3, performing axial compression test. The measured data can reallyreflect the tensile strength of the fissured rock, a fissure spreading evolution law and a fracture mode as well as influence laws of fissures on the rock.

The invention relates to a user perception based wireless network optimization method and a user perception based wireless network optimization system. The user perception based wireless network optimization method includes that user terminal devices acquire signals in the locations of user terminals, perform quality analysis on the signals and send request messages to satellite equipment when signal quality is lower than a set threshold value; the satellite equipment locates the user terminals and sends location information of the user terminals to the corresponding user terminal devices; the user terminal devices send the location information and signal quality parameters of the user terminals to wireless access points; the wireless access points forward the information sent by the user terminal devices to a data analysis platform; the data analysis platform performs storage analysis on the information sent by the wireless access points, analyzes the stored information statistically, judges that one specific wireless access point with problems or access point coverage density in a region is insufficient if the wireless access point is poor in signal quality within a coverage range, and informs network optimization personnel of further troubleshooting the device and the region with problems.

The invention provides a method for confirming an oil drainage front edge with the consideration of a starting pressure gradient. The method for confirming the oil drainage front edge includes the steps of S1, obtaining the physical properties and fluid parameters of multiple strata according to well logging interpretation results, well completion geological reports and high-pressure physical property analysis reports, S2, confirming comprehensive compression coefficients, S3, obtaining accumulated production and pressure recovery pressure differences according to low permeability reservoir oil well production reports and pressure recovery well testing data, S4, drawing a relationship line between yields and pit bottom pressure differences according to oil well potential test data, confirming the intercept of the line, and S5, confirming the oil drainage front edge of a low permeability reservoir oil well according to the parameters obtained from S1-S4. According to the method for confirming the oil drainage front edge with the consideration of the starting pressure gradient, the characteristics of a low permeability reservoir and the actual dynamic data of a producing well are fully considered, and the accuracy in confirming the oil drainage front edge of the low permeability reservoir oil well is improved.

The invention discloses an electronic weighing system aiming at providing a highly sensitive electronic weighing system which can improve data collecting speed and accuracy and accurately reflect mass loss in the process of burning in real time. A supporting plate is fixed at a metal support, a thermal baffle which can prevent thermal radiation is placed on the supporting plate, a loading tray is placed on the thermal baffle, weighing sensors are respectively arranged at legs of the metal support, each weighing sensor is respectively connected with an analog / digital signal converter, each analog / digital signal converter is respectively connected with a voltage transformation module and a data acquisition unit, the data acquisition unit is connected with a data processor. The outdoor part of the weighing system of the invention is simply structured and is easy to be transported and the sensor is highly sensitive, while the indoor part thereof features rapid data acquisition and real time recording, thus greatly improving accuracy of data acquisition and being capable of accurately reflecting changes of mass loss in the process of burning in real time.

The invention discloses a wavelet-signal-analysis-based measuring method for tooth groove torque of a permanent magnet motor. The method comprises: a torque sensor is used for detecting a measured permanent magnet motor; a signal pre-treatment module carries out conditioning on a sensing signal; according to a preset sampling frequency fs and a sampling point number N, a signal acquisition module extracts a torque signal output frequency f of the sensing signal after conditioning, wherein the f meets a formula: f=fs / N, and a torque signal of the measured permanent magnet motor is calculated; a feature extraction module carries out multi-resolution decomposition on the torque signal to obtain a wavelet coefficient of the torque signal and corrects the wavelet coefficient; and wavelet reconstruction is carried out by using the corrected wavelet coefficient, thereby obtaining a tooth groove torque of the measured permanent magnet motor. According to the invention, the method is easy to implement; the measurement difficulty is low; the measurement precision is high, and the cost is low.

The present invention discloses a shellfish regulation fluid taste quality online testing system comprising a first pump, a storage cup, a solenoid valve, a semiconductor cooling module, a flow meter, a test cup, a turbine worm, a rotating main shaft, a first motor, a cleaning cup, a second motor, a leading screw, a signal acquisition unit, a pattern recognition system, a taste sensor array, a second pump, a filter net and a support platform; and a testing process of the shellfish regulation fluid taste quality online testing system comprises five steps of sampling, filtration, cooling, testing and cleaning. The shellfish regulation fluid taste quality online testing system can quickly and accurately reflect comprehensive taste quality of a shellfish regulation fluid in real time, can achieve whole-process monitoring and feedback of the taste quality of the shellfish regulation fluid, and can ensure product quality of a pre-cooking processing process of a shellfish product.

The invention relates to a light mixing distance experimental device which is used for experimenting and determining the light mixing distance of a bottom lighting type backlight module. The light mixing distance experimental device comprises a fixing device, a bearing device and an adjusting device, wherein the fixing device is used for fixing a membrane of the bottom lighting type backlight module; the bearing device is used for bearing a light source of the bottom lighting type backlight module; and the adjusting device acts on the bearing device and is used for adjusting the distance between the bearing device and the membrane. The light mixing distance experimental device can be fittingly used with membranes of different manufacturers and different models, and using the light mixing distance experimental device avoids complex procedures of mounting and demounting a wrench and fixing auxiliary materials. Using the light mixing distance experimental device avoids outage during experiment, real-time adjustment and real-time luminous efficiency reflection are realized, testing and testing data accumulation are facilitated, and the variation relation between the light mixing distance and a membrane collocation scheme can be truly reflected.

The invention discloses a fiber grating temperature measurement system and method for a high overload distribution transformer. The system comprises: a broadband light source; a controllable sawtooth wave generating circuit; an F-P cavity tunable filter, used for demodulating narrow band spectra generated by the broadband light source into astigmatic spectral signals according to the drive of a sawtooth wave voltage output by the sawtooth wave generating circuit; an optical splitter, used for splitting the astigmatic spectral signals output by the F-P cavity tunable filter to a required number of optical paths and communicating with a fiber grating temperature sensor; a calibration device, used for determining the relation between the voltage of the tunable light source and the central wavelength in real time; and a photoelectric detection module, used for converting reflected wave reflected by each sensing grating and uniquely corresponding to the sensing grating from an optical signal to an electrical signal and transmitting the electrical signal to a data acquisition card. By utilizing a quasi-distributed fiber grating temperature measurement technology, high-precision measurement of hot-spot temperature of the high overload distribution transformer is realized, and aging evaluation and remaining life cycle prediction of the high overload distribution transformer are realized.

The invention provides an optical power and gain detection device and method in an optical amplifier burst mode. The optical power and gain detection device used in an optical amplifier burst mode comprises a plurality of optical power detecting circuits, a FPGA device and a temperature detecting circuit, wherein each optical power detection circuit has the same structure and the realization mode, comprising a respectively independent photoelectric converter, a transconductance circuit, an analog signal conditioning circuit, a filter and an analog to digital conversion chip. Through the improvement of the analog circuit, the digital detection and the control in the conventional optical amplifier, and the using of the characteristics of the FPGA device, the detection of the optical signal and gain in the burst mode is realized by means of the algorithm. By means of the optical power and gain detection device and method in the optical amplifier burst mode, the addition of complex analog circuits is avoided, and meanwhile, the influence of the inconsistency of the components in the analog control scheme is avoided, therefore, the algorithm can detect the optical power accurately and steadily regardless of whether the optical signal is in the stable mode or the burst mode, and the range of application is wide; and the amplifier gain can be calculated more accurately by strictly controlling the synchronization of ADC sampling and the computing delay.

The invention relates to a candy production system. The candy production system comprises a rack and a control system. The candy production system is characterized in that the rack comprises a weighing and sugar melting mechanism, a sugar boiling mechanism, an auxiliary adding and kneading mechanism, a skin pressing forming mechanism and a cooling and sugar dividing mechanism. By adopting an integrated control and monitoring system, state parameters in the production procedures of candies are tracked, recorded and monitored in real time, so that automatic control over the production of candies is achieved, a large quantity of manpower and material resources are saved, all production procedures are linked into a whole at the same time, resource waste caused by transfer of semiproduct candies in the production process is reduced, and cost is reduced; the system can effectively reflect dynamic production states in real time, good data information is provided for production managers, a good and friendly operation frame is provided for users, good equipment maintenance information is provided for maintaining engineers, and maintaining engineers are helped to find fault points quickly.

The invention provides a measurement device for the flow of rainwater runoff. The flow of rainwater runoff can be accurately measured by the device during a small rainfall amount, and meanwhile measurement of large flow can be considered. The device comprises an inspection well, an upstream rainwater pipe and a downstream rainwater pipe, an inlet of an inner cavity of the inspection well is connected to an outlet of the upstream rainwater pipe, and an outlet of the inner cavity of the inspection well is connected to an inlet of the downstream rainwater pipe. The device is characterized in thata connection pipe is arranged between the outlet of the upstream rainwater pipe and the inlet of the downstream rainwater pipe, the inlet dimeter of the connection pipe is larger than the outlet diameter of the upstream rainwater pipe, and a flexible seal ring is arranged between the outer annular face of the outlet of the upstream rainwater pipe and the annular face of the inner wall of an inletof the connection pipe; an outlet of the connection pipe is inserted in an inlet area of the downstream rainwater pipe, the connection pipe is specifically a light connection pipe, the upper portionof the connection pipe is connected to the force application end of a press rod through a vertical connection rod, and the force transfer portion of the press rod is pressed and installed on a pressure sensor.

The invention discloses a medium and small enterprise ultra-short term credit evaluation method based on dynamic cash flow. According to the method, low-frequency and fragile financial data and real-time and effective big data risk information to be verified are abandoned; an Saas fund management system is used as a basis; an enterprise dynamic financial resource flow is taken as a core, and dynamic credit information in the financial resource flow is comprehensively and fully extracted from the perspectives of an operational cash flow, a customer transaction flow, a product cash flow, a cashflow plan, an operational self-compensation capability, an asset self-compensation capability, a planning self-compensation capability, a repayment record and the like to evaluate the enterprise ultra-short-term credit level in real time. According to the method, credit conditions of small and medium-sized enterprises can be more dynamically reflected and distinguished in real time, financial resources of the small and medium-sized enterprises are converted into credit information, credit increase is provided for the small and medium-sized enterprises to obtain ultra-short-term credit support,and commercial partners and financial institutions can more accurately grasp the real-time credit conditions of the small and medium-sized enterprises.