64results about How to "Data processing is accurate" patented technology

The invention relates to a method and system for acquiring the line of sight direction of a human eye by a single camera. The method comprises the following steps: S1, acquiring human face images of various angles by using an image data acquisition device, and using the image data acquisition device to acquire the data for neural network depth learning and training; Step S2, at least calculating the coordinates of the position of the human eye in the image acquired in step S1 and the coordinates of the position of the gaze position of the corresponding line of sight; Step S3: the human face images of each angle in the step S1 include the human eye position images, and the gaze position coordinates are input into the neural network for machine learning; when the human face image is inputted, the line of sight can be correctly outputted through the training; Step S4, collecting the human face image when the driver is driven by a real-time acquisition camera, and inputting the human faceimage into the trained neural network, wherein the neural network outputs the real-time correspond line-of-sight direction of the human face image. The method adopts the improved image data training method, coordinate system transformation method and the corresponding neural network model. The visual line of sight calculated by the network model has high precision, which meets the needs of variousautomatic driving / assistant driving.

The invention discloses a birefringent crystal temperature compensation based optic fiber pressure sensor and a production method thereof. The sensor comprises a Fabry-Perot pressure sensing head chip, a birefringent crystal, a grin lens, a glass capillary, a quartz glass tube and a multimode optical fiber. Optical signals sequentially pass the birefringent crystal and an optical fiber Fabry-Perot pressure sensing head, then optical path difference is modulated, and double-parameter measurement of pressure and temperature is achieved by detecting variation of the optical path difference of the birefringent crystal and the optical fiber Fabry-Perot pressure sensing head. Comparing with the prior art, the optic fiber pressure sensor has the advantages that high-precision pressure measurement sensing are achieved by introducing temperature measuring result as reference quantity and correcting pressure measurement result, besides, a demodulation instrument achieves synchronous demodulation of temperature and pressure, a demodulation system is simple, data processing is accurate, system cost is low, and practical operation is facilitated.

The invention discloses a parcel pickup method for an intelligent parcel delivery system and solves the problems of troubles in parcel pickup and high labor cost of an existing parcel pickup method. The parcel pickup method comprises the following steps that (1) a postman delivers a parcel into a delivery cabinet; (2) a PC (personal computer) controller generates pickup information and sends the pickup information to a management terminal of the intelligent parcel delivery system for backup; (3) the management terminal of the intelligent parcel delivery system or a management terminal of a delivery company sends the pickup information to a receiver; (4) the receiver inputs the pickup information into the delivery cabinet; (5) the PC controller controls a storage grid with the parcel of the receiver to be opened; (6) the receiver picks up the parcel and closes the storage grid. According to the parcel pickup method, intelligent pickup of the parcel is realized, and the labor cost is low; 24-hour on-line parcel pickup service can be supplied; therefore, the convenience in pickup and the timeliness are quite high.

The invention relates to a method for parallel processing compare increment data extraction. In a system related by the invention, the core design ideal has the following points of: 1, change data capturing by adopting a data abstract technology; 2, modularization by adopting a multi-thread technology and a functional unit to realize the parallel processing; 3, large data volume sorting algorithm; and 4, a data buffer technology. The method greatly improves the handling capacity of the system under the condition of processing large volume of data, and has accurate data processing, time saving, high efficiency, resource saving and wide application range.

The present invention provides a method of processing signal data comprising generating a first clock signal and a second clock signal and processing the signal data using the first clock signal and the second clock signal. While processing the signal data, the phase difference between the first clock signal and the second clock signal is measured and corrected for so that a target phase difference between the first clock signal and the second clock signal is maintained.

The invention discloses a parcel delivery method of an intelligent parcel delivery system. The parcel delivery method comprises the steps that (1) the usage quantity authority of a delivery company for storage cases is set through a management terminal of the intelligent parcel delivery system; (2) a postman registers to become a parcel delivery user and makes a delivery appointment; (3) the management terminal of the intelligent parcel delivery system is matched with a corresponding delivery cabinet and displays the number of storage cases which are empty at present; (4) the postman selects one corresponding empty storage case and makes an appointment; (5) the postman inputs logging-in information to the delivery cabinet, and the information is checked through a PC controller; (6) appointment information is retrieved through the PC controller and displayed on an operation interface; (7) the postman scans the list number of a parcel and selects one storage case, the storage case is opened under the control of the PC controller, and the postman puts the parcel into the storage case; (8) the postman repeats the step (7), and delivery of all parcels is finished. The parcel delivery method achieves intelligent delivery of the parcels, so that not only is delivery convenient, but also manpower cost is low.

The invention discloses a wireless synchronous sampling method and a wireless synchronous sampling system for vibrating data. The method comprises the following steps of: 1, a preparation step: clock homologous treatment, namely uniformly distributing clock signals output from a crystal oscillator to each independent data sampling channel; and synchronization time service, namely synchronously calibrating a real-time clock of each acquirer to calibrate the real-time clocks of different acquirers to the same time; 2, transmitting a data acquisition command; and 3, starting data synchronous acquisition. The wireless synchronous sampling method and the wireless synchronous sampling system can realize extremely high wireless synchronization accuracy.

The invention relates to the field of geological disaster monitoring, particular to an intelligent monitoring and early warning system for the creeping landslide. The intelligent monitoring and earlywarning system comprises a server, a sensor and an information transmission part. The sensor and the server form communication connection by the information transmission part. The sensor includes a displacement sensor and a rainfall sensor. The server includes a contingence angle data processing module and an early warning module; the contingence angle data processing module is used for calculating a contingence angle based on displacement data and determining whether to carry out early warning according to the determination of condition that whether contingence angle exceeds a threshold. According to the invention, a landslide forecasting method for acquiring the landslide approaching contingence angle based on a landslide creep constant-velocity deformation rate is employed; and thus thelandslide approaching contingence angle of the landslide can be obtained only by determining the stage and the constant-velocity deformation rate of the landslide, so that the good early warning andforecasting effects for the destruction and unstability of the landslide are realized.

The present invention provides a system and method for controlling a simulator to run a software simulation of a data processing system in order to generate simulated timing data indicative of performance of an unmodelled portion of the data processing system not modelled by the software simulation. The software simulation provides a timing accurate model of those parts of the data processing system other than the unmodelled portion. The method of the invention comprises inputting to a controller of the simulator real trace data obtained from execution of a program by the data processing system, the real trace data identifying the sequence of instructions executed by the data processing system, and associated timing data. The method then involves running the software simulation under the control of the controller, the controller determining from the real trace data the sequence of instructions executed by the data processing system and controlling the software simulation to ensure that the same sequence of instructions is executed within the software simulation. Then simulated timing data is generated resulting from execution of the sequence of instructions within the software simulation, whereby the performance of the unmodelled portion of the data processing system is derivable from a comparison of the real trace data and the simulated timing data. This technique provides a particularly efficient technique for obtaining performance information about a portion of a data processing system which is not modelled within a software simulation.

The invention aims at providing a bowl-shaped flexible three-dimensional array ultrasonic probe. The bowl-shaped flexible three-dimensional array ultrasonic probe has the advantages of locating accuracy, simple device and the like. The bowl-shaped flexible three-dimensional array ultrasonic probe comprises a bowl-shaped flexible shell, a composite piezoelectric crystal plate, a coupling agent injecting device, connecting lines and the like, wherein the bowl-shaped structure can well attach to the detected surface of a flexible body, an ultrasonic transducer adopts the multi-array-element array composite crystal plate structure, the plurality of array elements are distributed according to the Fibonacci helical line, 2n array elements compose the ultrasonic array transducer, according to the delaying sequence, each array element emits ultrasonic waves once, the other array elements including the emitting array element receive signals, and a storage records and stores the 2n signals. In combination with the phased array technology principle, the aperture synthesis technology is adopted for carrying out data after-treatment on the extracted 2n signals, and then the image reflecting the information including the position, degree and the like of the lesion tissue is obtained.

The embodiment of the invention relates to a method of project management. The method of project management includes the steps: receiving the information of a new project by means of a server, wherein the information of a new project includes a project ID; according to the project ID, acquiring the development plan information; according to the development time data and the development content data, generating the project development schedule data; according to the project ID, acquiring the design plan information which includes the design time data and the design content data; according to the design plan information and the project development schedule data, generating the project design schedule data; performing contrastive analysis on the project development schedule data and the project design schedule data, and generating the project development plan data; performing time node dividing on the project development plan data, and according to the divided time node, performing analysis processing on the project development plan data, and generating the progress node data; and according to the progress node data, generating the project management display data, and sending the project management display data to a user terminal.

The invention discloses a database adaptation method for big data analysis engines. The database adaptation method includes steps of defining relational databases capable of being accessed by database access statements; acquiring database query table identification information from received database access instructions; judging operation objects of the database access instructions according to the database query table identification information and correspondingly processing the operation objects; judging whether access operation corresponding to database query statements in the access instructions is query class operation or not, converting the access instructions of the query class operation according to database grammar to obtain corresponding database query instructions if the access operation is the query class operation and accessing the corresponding databases by the aid of the database query instructions. The database adaptation method has the advantage that the problems of severe dependence of massive application programs on particular database structures, low universality and poor expandability of software and the like can be solved by the aid of the database adaptation method.

The invention relates to the technical field of electrical equipment and aims to provide an intelligent multifunctional temperature measurement low voltage switch cabinet monitoring system. The intelligent multifunctional temperature measurement low voltage switch cabinet monitoring system comprises a measurement terminal, a control terminal, a remote terminal, an actuator and a power module, wherein the control terminal is in communication connection with the measurement terminal and the remote terminal and is used for controlling the actuator for acting, the measurement terminal comprises atemperature sensor, a humidity sensor, a voltage transformer, a current transformer, a signal conditioning circuit, a low pass filter, multiple paths of switches, an A / D converter and a first communication module, the control terminal comprises a second communication module, a main CPU, a secondary CPU and a third communication module, and the actuator comprises a heating dehumidifier, a display unit, an alarm unit and a fan. The intelligent multifunctional temperature measurement low voltage switch cabinet monitoring system has advantages of high intelligentization and reliability.

The invention discloses a vein projector. The vein projector comprises a shell assembly (1), a control circuit board (2), a computer data processing system (3), multiple infrared LEDs (5), a CCD camera (6) and a projector body (7). The infrared LEDs (5) are used for emitting infrared band light waves to the surface of the skin (20), by means of the difference between infrared light absorption rates of venae subcutaneae and adjacent tissue, the CCD camera (6) shoots the reflected infrared light, the computer data processing system (3) receives camera signals and transmits vein enhanced image signals to the projector body (7) after conducting digital processing and optimizing, the projector body (7) synchronously displays the venae subcutaneae in situ on the surface of the skin (20), which is used for finding veins, and visible light emitted by the projector body (7) and the infrared light taken by the CCD camera (6) are located on the same light path outside the vein projector. The vein projector can be widely applied to the field of medical apparatus and instruments.

The present invention provides a system and method for controlling a simulator to run a software simulation of a data processing system in order to generate simulated timing data indicative of performance of an unmodelled portion of the data processing system not modelled by the software simulation. The software simulation provides a timing accurate model of those parts of the data processing system other than the unmodelled portion. The method of the invention comprises inputting to a controller of the simulator real trace data obtained from execution of a program by the data processing system, the real trace data identifying the sequence of instructions executed by the data processing system, and associated timing data. The method then involves running the software simulation under the control of the controller, the controller determining from the real trace data the sequence of instructions executed by the data processing system and controlling the software simulation to ensure that the same sequence of instructions is executed within the software simulation. Then simulated timing data is generated resulting from execution of the sequence of instructions within the software simulation, whereby the performance of the unmodelled portion of the data processing system is derivable from a comparison of the real trace data and the simulated timing data. This technique provides a particularly efficient technique for obtaining performance information about a portion of a data processing system which is not modelled within a software simulation.

The invention provides a method for removing time base flutter of a high-speed sampling oscilloscope, which relates to the data processing field of instruments and meters. The method is characterized in that an EEMD (Ensemble Empirical Mode Decomposition) method is used to decompose in the data processing process, IMF (Intrinsic Mode Function) components are subjected to frequency-domain analysis to screen the useful signal, and the noise signals are removed to reconstruct the new signals, thereby realizing the effect for removing the time base flutter.

The invention discloses a self-adaptive fluorescence immunoassay quantitative detection feature extraction method, and belongs to the technical field of biology, medical engineering and computer signal processing. According to the method, fluorescence signals are obtained on the basis of a fluorescence immunoassay quantitative detection and measurement technology; and on the basis of carrying outdata processing such as filtration and the like on the fluorescence signals, the data processing carried out on the fluorescence signals comprises signal peak value recognition, boundary determination, fluorescence line fitting, base line fitting and feature value determination. In order to ensure the self-adaptability and correctness of the measurement and solve the problem that current fluorescence immunoassay quantitative detection has the phenomenon that fluorescence signal measured values are saturated and cannot be calculated, the invention discloses the self-adaptive fluorescence immunoassay quantitative detection feature extraction method to ensure the correct measurement.

The invention provides an automatic wafer alignment device and method. The automatic wafer alignment device comprises an image acquisition assembly, a movement assembly, a data processing assembly, a wafer tray used for carrying wafer to be aligned, and a probe card for alignment with the wafer to be aligned, wherein the image acquisition assembly consists of a camera of which the surface of a lens is provided with a cross wire mark, the movement assembly performs fixed-value movement through a grating ruler, the image acquisition assembly is used for acquiring images of the wafer tray, the probe card and the wafer to be subjected to probe alignment and transmitting the images to the data processing assembly; the data processing assembly is used for processing the received image data and calculating needle aligning parameters according to the data; the wafer tray is fixedly connected with the movement assembly, and the wafer tray is driven by the movement assembly to move. Wafer needle alignment is carried out through image recognition and grating ruler positioning, and needle alignment in the X direction, the Y direction and the Z direction can be completed at the same time; a calibration block is not used, so installation difficulty and needle alignment operation steps are reduced; the needle alignment method is simple, data processing is more accurate, and alignment precision and efficiency are improved.

The invention provides a precise processing method and system for a rotary large-breadth optical satellite. The precise processing method for the rotary large-breadth optical satellite comprises the steps of: acquiring optical camera area array subsystem parameters and observation data; according to the optical camera area array subsystem parameters and the observation data, constructing a geometric transformation relationship between a rotary optical satellite body and an optical camera area array subsystem focal plane to obtain a satellite body and camera focal plane transformation matrix; calculating rotary optical satellite attitude and orbit control data at the imaging moment; constructing a rotary large-breadth optical satellite precise processing geometric model according to the satellite body and camera focal plane transformation matrix and the rotary optical satellite attitude and orbit control data; constructing a rational function fitting model of a standard image product according to the rotary large-breadth optical satellite precise processing geometric model; and carrying out rational polynomial coefficient parameter calculation according to the rational function fitting model of the standard image product.

The invention discloses an optical ultrasonic imaging device for diagnosing breast cancer, which comprises a bowl-shaped flexible ultrasonic probe, a laser probe, a pulsed laser emitter, an ultrasonicreceiver, a data processing unit and an image display. The device comprises a bowl-shaped flexible ultrasonic probe, a laser probe, a pulsed laser emitter, an ultrasonic receiver, a data processing unit and an image display. The ultrasonic transducer adopts bowl-shaped shell and flexible structure, adopts multi-array array composite wafer structure, utilizes multi-array array composite wafer, andcombines the principle of phased array technology to obtain the signal sources with different initial phases. An ultrasonic transducer is connected to an ultrasonic receiver. A laser probe connectedwith a pulse laser emitter emits a laser beam with a certain frequency to that inside of the tissue, molecules or substances that absorb light at a particular wavelength are called chromophores. The light energy absorbed by the chromophore is converted into heat energy by molecular vibration and thermoelastic expansion to generate ultrasonic wave, which is detected by an ultrasonic sensor in the device, and the waveform signal is synthesized into an image through an ultrasonic receiver and a data processing unit and displayed on an image display.

The invention discloses an intelligent controller and a data processing method, and aims to provide an intelligent controller which is reliable in operation. Key points of the technical scheme of the invention are that the intelligent controller comprises a transformer, a signal conditioning circuit, a photoelectric isolation circuit, a power factor module, an overload judgment circuit, a zero crossing point detection circuit, a keyboard circuit, a single-chip microcomputer and a switch driving circuit, the intelligent controller realizes intelligent detection for electric power on a three-phase line and quick control for a circuit breaker through construction of each functional circuit structure and being accompanied by data processing, and quick breaking protection is realized. Meanwhile, the loss of the intelligent controller is reduced, and the service life is prolonged.

The invention discloses an exercise load system for intelligently measuring a heart function. The system mainly comprises an exercise mode setting module, a heart function monitoring module, a control module, an intelligent analyzing module and a report output module, wherein the exercise mode setting module comprises exercise monitoring programs with different levels; the exercise monitoring programs with different levels correspond to monitoring data with different levels of the heart function monitoring module; after data obtained by a pulse sensor are stored through a data storage system, the data are wirelessly transmitted to the intelligent analyzing module; and after heart function analysis controlled by a PC terminal is finished, analysis report is output through the report output module. According to the system, exercise mode selection diversification and an intelligent heart function monitoring system are combined, the data of the exercise load monitoring system are processed accurately in real time, and therefore, the heart function condition of a detected person is responded scientifically.

The invention discloses a power supply method by using an optical network element, which comprises a process of carrying out selectional starting on at least two power supplies connected to the optical network element. The process comprises the following steps: sampling power supply current of the optical network element; determining a starting proposal of the power supplies connected to the optical network element based on the sampling result; and supplying power to the optical network element by the power supplies according to the starting proposal. The invention also discloses a power supply system by using the optical network element. The method and the system determine the starting proposal of a plurality of the power supplies connected to the optical network element by sampling the current of the optical network element, so that when certain power supply is faulty or generates overcurrent, other power supplies are used or added for supplying the power to realize crossfeed and mutual backup among the power supplies and improve the stability of the system.

The invention discloses a method for detection of maltopentaose by ultra-high performance liquid chromatography-mass spectrometry. The method includes the steps of: (1) taking an appropriate amount ofmaltopentaose, adding water for dissolving to prepare a test solution of certain solution; (2) performing sample introduction, and conducting detection according to the following chromatographic andmass spectrometric conditions that: according to the chromatographic conditions: Waters Xbridge BEH Amide 2.1*100mm is adopted as the chromatographic column, acetonitrile-water is used as the mobile phase for gradient elution, 87% acetonitrile can be maintained in 0-15min, and in 15-20min, 87% acetonitrile gradually decreases to 15% acetonitrile, and in 20-30min, 15% acetonitrile is maintained; according to the mass spectrometric conditions: an ESI source is taken, a selected ion monitoring (SIM) mode is used, the fragmentor is 130v, the sheath gas flow is 12L / min, the caplliary voltage is 4000v, the accurate mass number [M-H]<->827.4 is extracted, and the common logarithm of concentration and peak area is utilized for linear quantitation. The method has the characteristics of accurate qualitative analysis, high sensitivity, high precision, good linearity and simple operation, and is suitable for analysis and detection of maltopentose.

The invention discloses a parcel pickup method for an intelligent parcel delivery system and solves the problems of troubles in parcel pickup and high labor cost of an existing parcel pickup method. The parcel pickup method comprises the following steps that (1) a postman delivers a parcel into a delivery cabinet; (2) a PC (personal computer) controller generates pickup information and sends the pickup information to a management terminal of the intelligent parcel delivery system for backup; (3) the management terminal of the intelligent parcel delivery system or a management terminal of a delivery company sends the pickup information to a receiver; (4) the receiver inputs the pickup information into the delivery cabinet; (5) the PC controller controls a storage grid with the parcel of the receiver to be opened; (6) the receiver picks up the parcel and closes the storage grid. According to the parcel pickup method, intelligent pickup of the parcel is realized, and the labor cost is low; 24-hour on-line parcel pickup service can be supplied; therefore, the convenience in pickup and the timeliness are quite high.

The invention discloses a timestamp synchronization method, an electronic device and heterogeneous equipment. The method comprises: a first processor responds to a synchronization instruction of a second processor and records the current first moment of the first processor, wherein data transmission is conducted between the first processor and the second processor through a hardware transmission line, and the transmission rate of the hardware transmission line is higher than a threshold value; the first processor obtains a second moment sent by the second processor, wherein the second moment is a moment recorded when the second processor triggers the synchronization instruction; and after receiving the task data transmitted by the second processor, the first processor performs data processing on the task data based on the first moment, the second moment and the data moment in the task data.

The invention discloses a wireless synchronous sampling method and a wireless synchronous sampling system for vibrating data. The method comprises the following steps of: 1, a preparation step: clock homologous treatment, namely uniformly distributing clock signals output from a crystal oscillator to each independent data sampling channel; and synchronization time service, namely synchronously calibrating a real-time clock of each acquirer to calibrate the real-time clocks of different acquirers to the same time; 2, transmitting a data acquisition command; and 3, starting data synchronous acquisition. The wireless synchronous sampling method and the wireless synchronous sampling system can realize extremely high wireless synchronization accuracy.

The invention discloses a real-life rehabilitation training method and system and belongs to the technical field of a medical rehabilitation system. The system comprises a real-life simulation module,a mobile receiving terminal, a server, a wireless communication module and a remote control terminal, wherein the real-life simulation module comprises a mountain road section, a cobblestone river bed road section and a hilly area road section, the mountain road section, the cobblestone river bed road section and the hilly area road section are respectively paved with an induction board, the induction boards are connected with the mobile receiving terminal, the server is connected with the mobile receiving terminal, the wireless communication module is connected with the server, and the remote control terminal is connected with the wireless communication module. The system is advantaged in that through the mountain road section, the cobblestone river bed road section and the hilly area road section for real-life simulation, a proprioception stimulation sense of dysfunctional patients is achieved, the vestibular function is improved, core stability is promoted, and the balancing function is improved.

The invention discloses a computer man-machine interaction device, belonging to the field of computer man-machine interaction. The computer man-machine interaction device includes a keyboard case, a fixing frame case, a keyboard connection board and a touch control connection board case; the upper surface of the keyboard case is fixedly connected with the lower surface of the fixing frame case, aboard outlet is arranged at the front end of the keyboard case, the keyboard connection board is movably installed in the outlet port, a keyboard is fixedly installed on the keyboard connection board,lateral openings are arranged on the left and right inner sides of the fixing frame case, a mobile device is movably installed in each lateral opening, one end of the mobile device is fixedly connected with the lower end of the lateral side of the touch connecting board, a touch screen is arranged on the middle surface of the touch control connection board, a notch is arranged on the middle of the upper end of the touch connecting board, and a pulling device is arranged on the notch. The invention can realize the use of a multifunctional man-machine interaction device. which has the advantages of simple structure, easy operation and low cost, and is suitable for the use of various masses, and is convenient and quick.

The invention provides an automatic routing inspection device for an operation test bench, and the device comprises a routing inspection machine body and a detection system disposed in the routing inspection machine body. The detection system comprises a signal collection system, a control processing system, and a monitoring system. The collection system comprises a data collection apparatus and a conversion circuit, which are connected with each other. The control processing system comprises a power supply, a single-chip microcomputer, a clock device, a storage unit, and a positioning device. The conversion circuit is connected with the single-chip microcomputer, and the power supply supplies power to the single-chip microcomputer. The clock device and the positioning device are connected with the single-chip microcomputer, and the single-chip microcomputer is connected with the storage unit. The monitoring system comprises a display, a drive motor and an alarm, wherein the display, the drive motor and the alarm are connected with the single-chip microcomputer. The device is simple in operation, can carry out the routing inspection of various types of information of the operation test bench automatically and accurately, can transmit the information to remote processing equipment in a wireless mode, and is clear and reliable in data.