80results about How to "Simple data analysis" patented technology

An embedded system includes a first wireless node and a number of second wireless nodes, each of which includes a wireless transceiver, a memory storing a schedule defining transmission and reception of test packets, and a processor transmitting and receiving the test packets responsive to the schedule. The memories store a corresponding predetermined application employing some of the wireless communications, and a corresponding predetermined measurement function measuring wireless communication performance. A corresponding one of the schedules is executed by the corresponding predetermined measurement function. The second wireless nodes wait to receive a number of the test packets before being synchronized with their schedule and receiving and transmitting the test packets according to their schedule. The processors store data from the test packets to assess wireless communication performance between corresponding nodes.

The present invention mainly intends to provide a vehicle test system and the like that can easily mutually compare actual running data and test result data obtained from a test apparatus, or pieces of test result data. The vehicle test system 1 includes: an actual running data acquisition apparatus 2 that acquires actual running data that is data related to states inside and outside of a vehicle in running on a road; a test apparatus 3 each of which performs a drive test or an operation test of a vehicle or a part of the vehicle in accordance with a set test condition; and a test management apparatus 4 that reproduces a part or all of the running states indicated by the actual running data in the test apparatus 3. Further, the test management apparatus 4 receives test result data that is data indicating a test result by the test apparatus 3, and comparably outputs the test result data and the actual running data.

The invention discloses a method for designing a multiway coupling crack meter based on dynamic strain measurement, which is applicable to measurement of static and dynamic multiway displacement of a local structural joint in a building and mechanical structure. The method is characterized by comprising the following steps: extracting two arc metal strain glass slides with similar shapes but different sizes from a crack side elevation (5); using a strain foil (3) on each glass slide as a unique measured value to analyze the magnitude of multiway displacement of the crack; and establishing a formula relation between the displacement of the crack in a stretched vertical direction and a slipped vertical direction and measured values of strain foils (3), according to the characteristics of linear independence among the measured values of the strain foils (3), thereby solving the strain value (3) in a system of linear equations to obtain a multiway displacement value among corresponding cracks. Only the strain dynamic measured value is used as accordance, thereby facilitating the monitoring of a crack deformation process in an earthquake and other short-time rapid loading processes. The multiway coupling crack meter has the advantages of simple structure, small dimension and low price, and is suitable for mass application in a small-scale structure or a model test at one time.

The invention provides a metal wire rope on-line monitoring method and device. The monitoring device comprises an in-situ monitoring terminal comprising a communication module, a monitoring signal generation module, an electromagnetic push-pull dipole type signal emission probe, a magnetosensitive signal reception probe, a received signal preprocessing module, a motion scanning module, a controller, a memory and a power supply, and a remote monitoring terminal comprising a communication module, a flaw analysis module, an imaging display module, a man-machine interaction module, a processor, a memory and a power supply. The method utilizes a magnetic signal as an information carrier, actively emits a wideband alternating magnetic field excitation signal, utilizes an array magnetosensitive element to acquire two dimensional and three dimensional induced magnetic fields and a spatial distribution case of a metal wire rope under magnetic field signal excitation, can reversely deduce the physical characteristic parameter spatial distribution case of the metal wire rope and realizes a nondestructive test and damage localization of the metal wire rope under the condition of non-contact. The method and device have the advantages of high precision, high reliability, networking and intelligentization.

The invention discloses a flow two dimension velocity field measurement method and a flow two dimension velocity field measurement device based on near field scattering. The flow two dimension velocity field measurement device based on the near field scattering comprises a laser, a space filter, a collimating lens, a lens group, a CCD (charge coupled device) camera and a computer. Compared with the prior art, the flow two dimension velocity field measurement device based on the near field scattering has the advantages of being pretty simple in structure, low in demand for light path centering, and capable of achieving the purpose of effectively removing stray light under the circumstance that a complex device for eliminating central light strength is not needed. The particle diameter of tracer particles needed by a measurement technology used in the flow two dimension velocity field measurement method based on the near field scattering can be less than the wavelength of incident light emitted from the laser, and concentration of the tracer particles is high, and therefore the measurement technology can be used in measurement of a nanometer fluid flow two dimension velocity field. The measurement technology is simple and quick in data analysis, can achieve online measurement, and guarantees that accuracy and linearity of the flow two dimension velocity field measurement method based on the near field scattering are not limited by the particle diameter and the concentration of the tracer particles by using a differential processing method.

The invention relates to a mitochondria SNP (single nucleotide polymorphism) fluorescence-labeling multiple amplification kit capable of detecting 61 SNP loci at the same time. According to a mitochondria phylogenetic tree, based on genetic characteristics of Chinese populatio, 61 SNP loci which are high in polymorphism, low in mutation rate and strong in parting capacity are selected, wherein the 61 SNP lotuses comprise 54 loci in a coding region, 7 loci in a control region; the kit can be used for detecting the 61 SNP loci by virtue of specific primers. The kit which is used as a mitochondria detecting system is capable of carrying out amplification in three tubes at the same time and performing electrophoresis at the same time, so that haplotype diversity reaches 98.6%, and therefore, the mitochondria SNP fluorescence-labeling multiple amplification kit can be used as a kit for identifying the same maternal line, after autosome STR and Y chromosome STR.

The present invention relates to a method of gait measurement using tri-axial accelerometer/gyro in mobile devices. In particular, the present invention relates to a method of gait measurement using tri-axial accelerometer/gyro in mobile devices for monitoring and improving the physical movement of a moving subject.

The present invention relates to a method of gait measurement using tri-axial accelerometer/gyro in mobile devices. In particular, the present invention relates to algorithms for gait measurement using tri-axial accelerometer/gyro in mobile devices for monitoring and improving the physical movement of a moving subject.

The invention provides a bird's nest identification method. The bird's nest identification method is characterized by adopting the nuclear magnetic resonance for detecting. The bird's nest identification method comprises the following steps: samples to be identified are pre-processed: the samples to be identified are grinded to fine powder; 1% of phosphoric acid water solution containing more than 10% of deuterium is added in the fine powder for implementing the water-bath heating in boiled water and centrifugating after cooling; supernate is taken into a 5 mm of nuclear magnetic tube; the nuclear magnetic tube is sealed; technical parameters are set; 1H-NMR spectrograms of the samples are acquired through a nuclear magnetic resonance spectrometer; the authenticity of bird's nests is judged through comparing the bird's nests with the 1H-NMR spectrograms of the samples to be identified. The method is simple and easily operated; the measurement of the analyzed samples has no need of exact precision; the pre-processing can be synchronously implemented for one batch of the samples; after the bird's nests are hydrolyzed, the nuclear magnetic detection is implemented for mixtures to obtain nuclear magnetic resonance hydrogen spectrums; the bird's nest identification method has the advantages of high precision, high speed, short sampling time and simple data analysis.

The invention provides an SNP molecular marker for rice genotyping and application thereof. The molecular marker is selected from at least one of 1200 SNP markers, and their information is shown in Table 1. The SNP molecular marker and the combination thereof can be used for carrying out molecular marker fingerprint analysis on rice germplasm resources, carrying out genotype identification on offspring of rice hybrid populations, identifying authenticity of rice varieties, analyzing and screening genetic backgrounds of rice breeding materials, and carrying out correlation analysis on agronomictraits, thus having a wide application prospect.

The invention discloses a dynamic voltage regulator. The dynamic voltage regulator comprises a first switch tube, a first switch tube anti-parallel diode, a second switch tube, a second switch tube anti-parallel diode, an inductor, a super capacitor group and a controller, wherein the super capacitor group is used as an energy storage unit; and the inductor, the first switch tube, the first switchtube anti-parallel diode, the second switch tube and the second switch tube anti-parallel diode form a bidirectional DC/DC topological circuit for charging and discharging to realize bidirectional energy flow. When the voltage sag of a DC bus of a frequency converter is detected, the given formula is adopted to obtain a first drive signal and output the first drive signal to the first switch tube, and the on-off state of the first switch tube is controlled, so that the super capacitor group supplies power. The dynamic voltage regulator has simple structure, small volume and low cost.

The present invention provides a space information analyzing method based on retractable vector graphs. The method includes the following procedures: constructing a SVG space data graphic layer and a topological relation expression standard model; adding four kinds of space operator standard models such as space topological operator, space attribute access operator, space measurement operator and space analysis operator; carrying out the space expression standardization according to the constructed SVG space data graphic layer and the topological relation expression standard model; the user defining the object and the assessment standard of the space analysis according to need; basing the transformation of object and the assessment standard of the space analysis on the query terms of SSESQL of the SVG space analysis; displaying the result according to the way set by the user. The analyzing method provided by the present invention can ensure the space information query and analysis and the data analysis of the user are simple and effective so as to support the decision of the user when SVG is used to carry out networked space vector information dynamic release and online analysis.

An acoustic testing apparatus for testing a laminate material comprising at least one layer of a first material having a first velocity for a first vibration mode and at least one layer, adjacent to said first layer, of a second material having a velocity for a second vibration mode, approximately equal to said first velocity, said acoustic testing apparatus comprising: a first transducer for projecting an acoustic test signal onto a first layer of said at least one layer of a first material disposed in a testing zone, wherein a second transducer for receiving said test signal from said testing zone, and in that said first transducer is adapted to project said test signal at an angle so as to generate in said first layer vibrations of at least said first vibration mode, wherein said vibrations of said first vibration mode are incident on an interface with said layer of said second material under an incidence angle so as to produce in said second layer vibrations of at least said second vibration mode, so that refraction of said test signal at said interface is suppressed.

The invention discloses an e-commerce data analysis platform. The e-commerce data analysis platform includes a sales volume analysis unit the sales volume analysis unit is connected with a commodity analysis unit, a competitive product analysis unit of a competitive store, an industry analysis unit and an operation analysis unit and is connected to a report broadcast unit; the commodity analysis unit comprises commodity layout, marketing rhythm, operation indexes, abnormal commodities and associated sales; the competitive product analysis unitof the competitive store comprises brands, competitive stores and competitive products; the industry analysis unit comprises platform trend analysis, product analysis and crowd portrait; and the operation analysis comprises new customer analysis, oldcustomer analysis and flow retention. According to the data service management platform provided by the invention, the data analysis of the e-commerce platform is simpler and more sensitive, and the platform is an integrated platform which is easy to use, efficient and intelligent.

The invention discloses a dynamic angular displacement measuring device and a method. According to the device, a metal plate a is fixed on a structural surface a, a metal plate b is fixed on a structural surface b, the metal plate a and the metal plate b are connected with a threaded sleeve, a sleeve is connected with the external of the threaded sleeve, and the sleeve is provided with a limiting hole. A precise thread lead screw is arranged inside the threaded sleeve. A square rod is connected with the external of one end of the precise thread lead screw. The square rod penetrates through the limiting hole. A metal strain slide glass is arranged between the square rod and the sleeve. A strain gage is stuck on the metal strain slide glass. The strain gage is connected with a strain data collecting instrument through an electrical conductor. According to the dynamic angular displacement measuring device and the method, an angular displacement which rotates around an axis is converted into a linear displacement of an assigned direction. Based on a strain gage technological dynamic measuring value, the device and the method are beneficial for the measurement on rapid and dynamic changing angular displacements among engineering structure components under fast loading conditions such as earthquakes and the electromechanical vibration, and are suitable to be employed in small-sized model testing or engineering monitoring.

The invention discloses a dynamic voltage regulator, a controller and a dynamic voltage regulation method. The dynamic voltage regulator comprises a first switch transistor, a first switch transistorantiparallel diode, a second switch transistor, a second switch transistor antiparallel diode, an inductor, a supercapacitor group and the controller. The first switch transistor and the first switchtransistor antiparallel diode are connected in parallel. The second switch transistor and the second switch transistor antiparallel diode are connected in parallel. The supercapacitor group is taken as an energy storage unit. The inductor, the first switch transistor, the antiparallel diode thereof, the second switch transistor, and the antiparallel diode thereof form a bidirectional DC/DC topology circuit for charge/discharge, and bidirectional energy flow is realized. In the mode, the dynamic voltage regulator is simple in structure, small in size and low in cost.

The invention belongs to the technical field of gene chips, relates to a Chinese wolfberry 40K liquid phase chip and application, and in particular relates to a Chinese wolfberry 40K liquid phase chip which is developed by utilizing a targeted capture sequencing technology and is used for genotyping a Chinese wolfberry genome. The lycium barbarum 40K liquid phase chip comprises a lycium barbarum 40K site probe mixed solution and a hybridization capture reagent, the Chinese wolfberry 40K site probe mixed solution comprises a Chinese wolfberry 40K SNP site probe and 165 Chinese wolfberry SNP functional site probes, and two capture probes are arranged at each site on average. The Chinese wolfberry 40K liquid phase chip overcomes the defect of high application cost of genetic diversity analysis, QTL positioning and GWAS analysis of Chinese wolfberry in scientific research, solves the problem that no applicable product exists in Chinese wolfberry molecular assisted breeding and whole genome selective breeding, and accelerates the Chinese wolfberry research and breeding process.