303 results about "Data stability" patented technology

The present invention relates to an apparatus for providing energy information, including: an energy information input unit configured to receive energy information for each device extracted from combined energy information according to a classification of the device using collected energy-related information; an energy information processing unit configured to generate energy use information of the device by using the energy information for each device; and an energy information transmitting unit configured to transmit the generated energy use information to a user terminal According to the present invention, it is possible to improve data stability by processing and managing cloud data by an energy information provider, and continuously improve performance through an upgrade of software and a database. Furthermore, it is possible to eliminate burden of initial investment and maintenance costs for all other devices and equipment to a user in addition to an energy monitoring device, and it is also possible to reduce the burden of learning expert knowledge on big data processing and information interpretation and of having separate permanent managing personnel by allowing cloud-based energy information management by professionals.

The invention provides a double star formation control closed loop testing system and method under the whole start condition. The system comprises an attitude and orbit control computer, a star sensor, a gyroscope combination, a reaction flywheel, a magnetorquer, a valve line box, a comprehensive electronic management unit, a concomitant star GNSS receiver, a primary star GNSS receiver, a GPS guide star analog module, a BD guide star analog module, a radio frequency modulation module, a navigation simulator upper computer, an orbital dynamics module, an attitude dynamics module, a signal acquisition module, and an electrical signal source module, wherein the attitude and orbit control computer is connected with the star sensor and the gyroscope combination through a universal serial bus. The system has the advantages of being high in real-time performance, high in data stability, good in adaptability and the like, and the problem of loop formation control closed loop testing of physical products on stars is solved.

The invention relates to a method for compensating luminance- and chroma-differences between subareas during LED display screen subarea correction. According to the method, the luminance values and the chroma values of various subareas can be adjusted according to an integrated area (or a public area), and the differences between corrected subareas can be retained, and therefore the display effects of various corrected subareas tend to be uniform, and then the problem of different display effects of various corrected subareas caused by the difference between the luminance mean value and the chroma mean value of the subareas and the actual luminance value and the actual chroma value, which is caused by the shooting angle, the camera distance, the data stability, and other factors, can be solved.

The invention relates to the field of civil engineering technology, in particular to a stress monitoring sensor for a connecting bolt of a fiber bragg grating structure and a method. The stress monitoring sensor comprises a plain bolt, implanted grating type force measurement sensors and optical fiber outgoing lines. Slender grooves are formed in the left side and the right side of a screw rod of the plain bolt, the minitype grating type sensors are implanted in the grooves respectively, signals are led out of built-in optical fibers, and the optical fibers are closely attached to the screw rod wall in layout, penetrate through small holes formed in corresponding positions of a screw cap and then are led out of the top surface of the screw cap. The optical fiber outgoing lines can be lengthened at will, so a fiber bragg grating type demodulation device can be conveniently adopted to read data of the sensors remotely, and stress states of the connecting bolt of the fiber bragg grating structure are remotely monitored in real time. The built-in stress monitoring sensor has the advantages of being small in size, waterproof, resistant to corrosion, good in electric insulation property, high in anti-electromagnetic interference capacity, basically the same as the plain bolt after being tooled in appearance, convenient to install, capable of adapting to complex environments and remote signal transmission, good in data stability and capable of achieving remote long-term monitoring.

The invention provides a photon counting Raman spectrometer capable of realizing full spectrum direct-reading performance. The Raman spectrometer is mainly composed of a laser, a beam splitting system, a photon counting imaging detector, and information processing and display. The laser outputs laser to excite a sample to generate a characteristic Raman spectrometer; the beam splitting system carries out dispersion on incident composite light containing the characteristic Raman spectrometer so as to form a spectral intensity distribution image; on the basis of the position sensing detection and photon counting, photon counting imaging detector reconstructs a spectral intensity distribution image in a digitlization mode; and the information processing and display carries out a qualitative quantitative analysis on a sample according to positions and light intensity of all pixels in the digital spectral intensity distribution image. According to the invention, advantages of a photon counting property and a full spectrum direct-reading property are combined; therefore, advantages of low detecting limit, high reading precision, good data stability and large linear dynamic range are realized; and moreover, a plurality of substance components can be analyzed simultaneously; all spectral lines in a working wavelength range can be fully utilized; the working speed is fast; the structure is simple; and the operation stability is good.

The invention discloses an anti-lateral seepage asphalt pavement water seepage device with a constant-pressure variable head and a method, and belongs to the technical field of pavement engineering detection. Specifically, a testing box bottom plate is arranged in a testing box body; a sealing top cover and a sealing ring are arranged at the top of the testing box body; a sealing layer made of a waterproof material is additionally mounted at the periphery of the testing box body; a testing part is arranged in the middle of the testing box body; a water tank is adopted to supply water to the whole device through a water tube; a water body pressurizing cylinder is used as a water body pressurizing device; a pressurizing rubber piston is pushed to move downwards by a pressurizing vertical rod through a pressurizing load to pressurize a water body; a pressurized water body is in contact with the testing part through a water discharge tube; a seepage water body flows into measuring glass from water seepage holes, a water collection tank and a water guide tube. By adopting the device and the method, influence of lateral seepage and the variable head to testing data can be effectively eliminated, the detection data stability can be greatly improved, the water seepage property of an asphalt pavement can be relatively and accurately judged, artificial errors made by different testing operators can be effectively reduced, the detection data can be relatively good in stability, and good economic benefits and wide application prospects can be achieved.

The invention belongs to the field of ink-jet printing and particularly relates to a printer chip, an ink box and a storage allocation method for the printer chip. According to the technical scheme, the printer chip comprises a chip control circuit, a data storage unit for storing data, and a communication unit for being communicated with a printer; the storage unit and the communication unit are electrically connected with the chip control circuit; and the data storage unit comprises authorization flag bits, and the data storage unit is arranged in a non-authorized state and an authorized state through the authorization flag bits according to different numerical values. The authorization flag bits and authorization verification matched with the authorization flag bits are additionally arranged, chip data can be covered, read and written again and used normally on the basis of guaranteeing data stability and reliability, and the service life of the printer chip is prolonged.

The invention relates to a foundation pile sound wave transmission method detection data comprehensive evaluation method, which is characterized in that (1), using dual-edge low-high value removing method to calculate sound parameter abnormal judgment critical value, comprehensively considering the normal ranges of the sound speed critical value and concrete sound speed of probability method, according to the bias degrees of the sound parameter detection value and the abnormal judgment critical value, making defect degree judgment standard, (2), using a sound test line to replace general test point to describe the sound parameters of sound wave transmission method, according to the physical character of different sound parameters and the data stability, making a standard for comprehensively evaluating the completeness classification of each sound test line in a detection section, (3), using the pile section as basic judgment unit to combine the completeness of each sound test line on the section to judge the completeness of each section, to evaluate completeness classification at the point of whole pile. The invention can effectively improve the objectiveness and scientific property of detection data analysis and processing, save material and human resource and improve significant social and economic benefits.

Loadless 4T SRAM cells, and methods for operating such SRAM cells, which can provide highly integrated semiconductor memory devices while providing increased performance with respect to data stability and increased I/O speed for data access operations. A loadless 4T SRAM cell comprises a pair of access transistors and a pair of pull-down transistors, all of which are implemented as N-channel transistors (NFETs or NMOSFETS). The access transistors have lower threshold voltages than the pull-down transistors, which enables the SRAM cell to effectively maintain a logic “1” potential during standby. The pull-down transistors have larger channel widths as compared to the access transistors, which enables the SRAM cell to effectively maintain a logic “0” potential at a given storage node during a read operation. A method is implemented for dynamically adjusting the threshold voltages of the transistors of activated memory cells during an access operation to thereby increase the read current or performance of the accessed memory cells.

The present invention discloses a personalized traffic information service system with man and vehicle collaboration and a method. The system comprises a traffic information service cloud system, an intelligent terminal, a bus stop electronic tag for the unique identification of a bus stop installed in the bus stop, and a vehicle electronic tag which is installed in a bus and is used for the unique identification of the bus. The intelligent terminal is wirelessly connected to the vehicle electronic tag and the bus stop electronic tag respectively. The intelligent terminal is wirelessly connected to the traffic information service cloud system. According to the system, a traveler can use the intelligent terminal to collect the information of a bus and a bus stop, combined with the traffic real-time data of the traffic information service cloud system, personalized traffic information service is provided for a user, the user experience is good, the degree of intelligence is high, the investment cost is low, the data stability is good, the data reliability is high, and he system can be widely applied to the transport industry.

A method for transmitting network data is provided. A sender and receivers can stably transmit and receive data using a packet reception result report request frame and a packet reception result report frame, and data stability at the receivers can be improved through retransmission of network-coded data. In addition, service can be provided at a high transfer rate and with good data stability by adjusting a transfer rate according to a network environment using adaptive transfer rate control.

The method allows data to be stably transmitted in a wireless network environment. Data stability can be guaranteed and a high transfer rate can be provided by adjusting a data transfer rate to achieve only moderate loss. In a wireless network environment, multimedia data such as video data can be broadcasted at a high transfer rate and with good data transmission stability. Accordingly, services needing a wide bandwidth like video conversation service, and requiring simultaneous transmission of data to several users in a wireless network environment, can be effectively supported.

The invention provides a method and a system for detecting the linearity and the rigidity of bridges and tunnels on the basis of a fiber-optic gyroscope technology. The method comprises the steps that a linear detecting and walking device moves on the inner surface of a bridge or tunnel structure being detected; data detected by a fiber-optic gyroscope and a linear velocity sensor are algorithmically processed; and a motion trajectory of the device, namely a trajectory in a gravity direction of the bridge structure being detected and a trajectory along the trend of the tunnel or in the circumferential direction of the cross section of the tunnel, is obtained through calculating the data according to a formula. The data are corrected on the basis of a data stability judging and abnormal value eliminating algorithm, a reverse correcting algorithm of position information of datum points and reference points and a structural overall large deformation and surface local small deformation filtering algorithm, so as to obtain a local small deformation rejecting curve for analyzing the rigidity of the bridge and the tunnel. The method and the system are used for ascertaining local damages of bridge structures and tunnel structures and detecting the trajectory of global deformation in the vertical direction of the bridges and along the trend and multiple cross sections of the tunnels. Compared with a traditional method for detecting the linearity of the bridges and the tunnels, the method provided by the invention has the advantages of short test cycle, high maneuverability, low cost, high precision and high data coherence.

The invention discloses a health information system, which belongs to the field of data management. The system provided by the invention comprises at least a medical institution server, a front-end processor, two or more than two data gateways and a data exchange platform; wherein the at least one medical institution server is used for sending medical data to the front-end processor; the front-end process is used for receiving the medical data sent from the at least one medical institution server, obtaining a destination data gateway from the two or more than two data gateways and sending the medical data to the destination data gateway; the two or more than two data gateways are used for receiving the medical data and sending the medical data to the data exchange platform; and the data exchange platform is used for processing the received medical data. According to the invention, influence on service due to congestion of one data gateway when the service is busy or influence on service due to fault of the front-end process of a medical institution is avoided, so that the data stability is improved, and normal medical service can be ensured.

The invention provides a spectral analysis method based on photon counting full spectrum direct reading. The spectral analysis method comprises the following steps of: generating a characteristic spectrum to be observed by a sample under the action of an excitation source; making multiplex light mingled with the characteristic spectrum incident into a light splitting system through an incident optical device; chromatically dispersing the incident multiplex light into a monochromatic spectral image by the light splitting system; imaging the spectral image on a sensitive face of a photon counting imaging detector; reconstructing the spectral image by the photon counting imaging detector in a digitalized manner through position sensitive detection and photon counting; and qualitatively and quantitatively analyzing the sample by an information processing and displaying unit according to the position of each pixel in the digital spectral image and signal intensity. The spectral analysis method provided by the invention has the advantages of low detection limit, high reading precision, high data stability, large linear dynamic range and the like, and can be used for realizing full spectrum direct reading, that is to say, a plurality of substance components can be analyzed at the same time, each spectral line in a working wavelength range can be fully utilized, the working speed is high, and corresponding instruments have the characteristics of simple structure, high operating stability, low production and operating cost, convenience for upgrading and debugging, and the like.

The invention belongs to the technical field of machine vision and provides a color recognition method and system. The method is characterized in that the normalization color data of a target pixel point relative to a reference background is calculated, the correlation between the color value of the target pixel point and the color value of each standard sample in multiple pre-stored standard samples is calculated according to the normalization color data of the target pixel point and the normalization color data of the multiple pre-stored standard samples, and selecting the color value, with the highest correlation with the color value of the target pixel point, of the standard sample to serve as the real color value of the target pixel point. By the color recognition method, the color value of a target substance can be recognized in a good data stability, high accuracy and low cost manner.

A data preserving method and a data accessing method for a non-volatile memory are provided. In the data preserving method, a data is checked according to an error correcting code (ECC) to obtain an error bit number of the data. When the error bit number is greater than a threshold, the data is moved from a first memory unit to a second memory unit and is corrected according to the ECC. Thereby, the data stability of the non-volatile memory is improved.

The invention provides a method for asynchronously processing messages based on two databases, namely Redis and MySQL and an electronic device. The method comprises the following steps of storing thegenerated message in a message queue of a Redis database; using the Redis database to preprocess the message queue; using the application system to extract a message from a message queue of the Redisdatabase, wherein the extracted message is stored in a MySQL database; using the application system to call a message processing interface to process the message; and if the message processing is completed, deleting the extracted message stored in the MySQL. The method not only can provide higher message response speed, but also has higher data stability and safety.

The invention relates to a human heart rate and respiration measurement device, in particular to a device for continuously measuring heart rate and respiration and providing records and data treatment. The invention discloses a wearable heart rate and respiration monitoring device. The wearable heart rate and respiration monitoring device comprises a heart rate signal acquiring unit, a respiration signal acquiring unit, a signal processing unit, a signal converting unit and a data transmitting unit, wherein heart rate data are acquired through a piezoelectric film sensor, respiration data are acquired through elastic deformation of a double-side protruding structure, and the piezoelectric film sensor is located on the outer surface of the double-side protruding structure and used for making contact with skin. The monitoring device can monitor heart rate and respiration at the same time and is simple, data stability is high, and cardiovascular diseases can be effectively prevented.

The invention discloses a contact resistance measuring system and method based on a voltage-frequency conversion method and relates to a contact resistance measuring system and method which are used for solving the problem that a contact resistance measuring method is poor in data stability and low in accuracy. According to the invention, a variable gain voltage amplifier is adopted for acquiring and amplifying the voltages U of the two ends of a to-be-measured component; a voltage follower is adopted for acquiring a voltage between the to-be-measured component and a standard current-detecting resistor, and after being isolated, the voltage is input to an AD (analog to digital) converter, and then the voltage is converted into a digital quantity ix through the AD converter; a voltage-frequency converter is adopted for converting the amplified voltages into frequency signals, and carrying out timing counting on the frequency signals so as to obtain the digital quantities Ux of the voltages U of the two ends of the to-be-measured component; a digital quantity Ix of an exciting current is calculated acceding to the digital quantities Ux; and then the resistance value of the to-be-measured component is obtained, thereby realizing the contact resistance measurement based on the voltage-frequency conversion method. The system and method disclosed by the invention are applicable to the measurement of contact resistances.

The invention discloses a harmful gas sampling method for automotive interior parts. The method includes the steps of extracting samples, putting the samples in a testing bag, collecting harmful gas and the like. The method has the advantages of high operability, high reliability, test data stability and high reproducibility; through integral sampling of an automotive interior part assembly, the defects of big test data differences caused by point replacing surface, difficulty in sampling of parts made of complex materials, and the like are overcome effectively, and contribution of harmful gas content in single parts to a finished automobile can be predicated accurately so as to effectively instruct interior air quality improvement of the finished automobile.

The invention discloses a small-signal filtering algorithm used for a wide-range energy meter, which aims at a working mode of a metering management main control unit (MCU) and a metering chip. The small-signal filtering algorithm comprises the following steps: (1) reading each piece of electricity parameter data from the metering chip at the fixed time interval by the metering management MCU; (2) judging whether an electricity parameter input signal is less than a small-signal judgment threshold value, and if yes, filtering the electricity parameter data by the following algorithm. Extremelysmall metering management MCU resource is occupied by the algorithm disclosed by the invention; all basic electricity parameter signals which are input to the metering management MCU from the metering chip are dynamically filtered; and the process of filtering can be dynamically implemented according to the small-signal vibration characteristic tendency. The small-signal filtering algorithm also can comprise a step of automatically regulating a filtering coefficient, and a filtering result is quickly followed up when the signal is quickly changed so as to ensure that the response sensitivity is prior. When a signal tends to be stable and fluctuates nearby a certain fixed numerical value, data stability is guaranteed to be prior.

The invention particularly relates to a human gesture comparison method based on Kinect bone node position tracking, which mainly solves the shortcomings of data stability and data real-time in the prior bone node position positioning and user gesture comparison methods. The invention firstly saves a batch of data close to the time by using a dynamic frame number replacement algorithm, as the datasource of node filtering, then, the improved median filtering algorithm is used to filter and predict the adaptive intercepted data, and the stable and real-time filtering points are outputted to calculate the bone angle and the bone vector product angle of the user. Finally, the bone angle and the bone vector product angle are smoothed as the basis of evaluating the user's action. This method issuitable for filtering and smoothing the time-dependent continuous variable, tracking the user's posture in virtual reality games, and monitoring and measuring the dynamic change of device angle in engineering.