6540results about How to "Shorten detection time" patented technology

A molecular detection chip including a metal oxide silicon-field effect transistor (MOSFET) on sidewalls of a micro-fluid channel and a molecular detection device including the molecular detection chip are provided. A molecular detection method, particularly, qualification methods for the immobilization of molecular probes and the binding of a target sample to the molecular probes, using the molecular detection device, and a nucleic acid mutation assay device and method are also provided. The formation of the MOSFET on the sidewalls of the micro-fluid channel makes easier to highly integrate a molecular detection chip. In addition, immobilization of probes directly on the surface of a gate electrode ensures the molecular detection chip to check for the immobilization of probes and coupling of a target molecule to the probes in situ.

The invention provides an unlicensed spectrum-based data transmission method and device. The unlicensed spectrum-based data transmission method includes the following steps that: an uplink scheduling command transmitted by a base station is received; frequency resources on an unlicensed spectrum which are allocated for a terminal by the base station are determined; whether a channel on the frequency resources is idle is detected; and when it is detected that the channel on the frequency resources is idle, the channel on the frequency resources is continuously occupied to transmit uplink data to the base station. With the unlicensed spectrum-based data transmission method provided by the technical schemes of the invention adopted, the channel of the unlicensed spectrum is continuously occupied to transmit the uplink data when it is detected that the channel of the unlicensed spectrum is idle, and therefore, detection time of the channel of the unlicensed spectrum can be decreased, and the utilization rate of the channel of the unlicensed spectrum in an uplink transmission process can be improved for the terminal, and the transmission efficiency of the uplink data can be also improved.

An optical fiber sensor system comprising of an optical fiber including plurality of sensitive elements, each sensitive element has characteristic spectral band which in normal undisturbed condition lies in a first wavelength range and, under an influence of some specified condition to be detected, shifts to a second wavelength range; first and second wavelength ranges do not overlap. Means for probing an optical transmission or reflection of the fiber operate within second wavelength range to monitor the changes of the transparency or reflectivity of the fiber caused by the shift of characteristic spectral band into the second wavelength range.The invention provides means for distributed monitoring of equipment or construction structures and detection of specified conditions and can provide alarm signal when the specified conditions become effective.

The invention discloses a method for evaluating lithium ion battery peak power online. The method comprises the following steps that influencing characteristic curves of the influence on lithium ion battery peak power by the charge state, Ohm internal resistance, temperature and sustainable time of a lithium ion battery are respectively built; all factors influencing the battery peak power are synthesized, and a battery peak power evaluation initial model is built; the battery peak power evaluation initial model is embedded into a vehicle-mounted terminal system, and the battery peak power evaluation initial model continues to be trained. The method has the advantages that the situations that due to the fact that the operation is not proper, and the battery is overcharged or overdischarged, the service life of the battery is shortened, and use cost is greatly increased are basically avoided through the method, the danger coefficient of the battery in the use process is lowered, and the reliability and stability of the operation of an electric vehicle are improved, and personal safety and equipment safety are guaranteed.

The present invention relates to diagnostic assays whereby the detection means is based on electrochemical reactions. This means that the label to be detected provides an electric signal. Preferred labels are enzymes giving such a signal. Provided is a flow cell whereby a solid phase is provided in a flow stream of the sample, in close proximity to a working electrode to detect any electrical signal. In a typical embodiment, a sample is mixed with molecule having specific binding affinity for an analyte of which the presence in the sample is to be detected, whereby said specific binding molecule is provided with a label. The conjugate of labelled specific binding molecule and analyte is then immobilized on the solid phase in the vicinity of the working electrode, the flow cell is rinsed with a solution and afterwards a substrate solution for the label (an enzyme) is provided upon which an electrical signal is generated and can be detected by the working electrode. The methods and devices of the present invention are particular useful for liquids which comprise many substances that may disturb measurement in conventional assays. The design of the flow cell allows for removal of said interfering substances before measurement. In a preferred embodiment at least part of the solid phase is provided in the form of magnetic beads. In this embodiment the solid phase can be mixed with the sample thereby creating a longer reaction time, a better sensitivity and a higher speed of the assay.

The invention discloses a vivo-face detection method based on HSV (hue, saturation, value) color space statistical characteristics. The method includes firstly, converting a face image captured by a camera from RGB (red green blue) color space to YCrCb color space; secondly, subjecting the face image to skin color segmentation, denoising, mathematical morphological treatment and connected region boundary calibration so as to obtain coordinates of a face matrix region; thirdly, acquiring a facial image to be detected from the face image according to the coordinates of the face matrix region; fourthly, segmenting the facial image to be detected into image blocks, and acquiring characteristic values of three color components of each image block in the facial image to be detected; and fifthly, using normalized characteristic values as a sample to be detected, and sending the sample to a trained support vector machine for detecting whether the face image is a vivo real facial image or not. The vivo-face detection method based on HSV color space statistical characteristics has the advantages that delay of a face recognition system is reduced, computational complexity is lowered, and detection accuracy is improved.

The invention provides an isolated island operation detection method of photovoltaic grid-connected generation system which includes: a control device detects voltage frequency of grid-connected point, judges voltage frequency of grid-connected point whether reaching frequency protection threshold, if yes, a start anti-isolated island protection signal is outputted; if not, frequency signal of grid-connected current instruction is calculated by using double positive feedback active frequency deflection method, and the frequency signal is outputted; the double positive feedback active frequency deflection method is that obtained grid-connected point voltage frequency deflection relative to average frequency is used as first positive feedback, and change trend of frequency deflection is used as second positive feedback, feedback magnification factor of first positive feedback is adjusted. The method realizes isolated island detection rapidly, simulation and experimental result, isolated island detection time is shorten in 0.10s, 0.13s, grid-connected current harmonic distortion THD are 2.06%, 2.97% respectively, and has advantage over traditional method in isolated island detection speed and reducing interference to power network.

A method and equipment for detecting an explosive, etc. are disclosed. A specified portion highly likely to contain an explosive, etc. is extracted based on the X-ray image obtained by radiating an X ray on an object to be inspected. An electromagnetic wave containing the terahertz wave is radiated on the specified portion thus extracted. The presence or absence of the explosive, etc. is determined based on at least one of the absorption spectrum and the reflection spectrum of the electromagnetic wave at the specified portion.

The invention relates to a microfluidic device with microchannels that have separated regions which have a member of a specific binding pair member such as DNA or RNA bound to porous polymer, beads or structures fabricated into the microchannel. The microchannels of the invention are fabricated from plastic and are operatively associated with a fluid propelling component and detector.

An image display apparatus with image entry function of high accuracy enabling high-speed direct screen input without decreasing a pixel aperture ratio. Data lines of thin-film transistors which do not receive light and storage lines are connected to respective selector switches. The selector switches are turned on and off by a switching signal supplied through a switching line from a control circuit. The conveyance of a drive signal and a video signal supplied from a gate line driving circuit and a data line driving circuit and the conveyance of a light signal to an X address detection circuit and a Y address detection circuit are switched by turning on and off the selector switches.

The invention relates to a wheel-type X-ray flaw detection robot device which comprises an X-ray flaw detection device, a remote wireless transmission device, a computer control device, a differential GPS (Global Positioning System), a fuel battery (or lead acid battery pack) and a robot body, wherein four infrared cameras are arranged on the robot body, and real-time images are remotely transmitted to an operator through video transmission equipment; a direct current voltage regulator is adopted in the controller of an X-ray generator; and the regulator is connected with an inverter by a tube voltage regulation knob, so that the tube voltage of the X-ray generator can be regulated. The operational control and operational state of the robot body are as follows: a digital data radio is adopted to transmit filed signals to an upper control computer; video signals are displayed on a display with visual display and convenient operation; isotope sources are not used, thereby meeting the requirement for environment protection; and a suspension system enables the robot body not to deflect and turn laterally on pipelines and rocks.

A washing machine includes an electric motor generating a driving force for wash, rinse and dehydration operations, a current detector detecting electric current flowing into the motor, a torque control unit performing a vector control for the motor on the basis of the current detected by the current detector so that torque developed by the motor is rendered optimum for at least the wash and dehydration operations, a speed control unit controlling a rotational speed of the motor, based on the current detected by the current detector, and a laundry amount determining unit determining an amount of laundry in a rotating tub, based on a magnitude of torque current in a period when a rotational speed of the motor varies.

In a position detection system for detecting a position of a terminal apparatus of a radio communications system, a position detection time is shortened using a position detection method for determining signal times-of-arrival between the terminal apparatus and base stations neighboring the terminal apparatus. According to the present invention, means for generating a database in which received power information about signals transferred between the terminal apparatus and the base stations neighboring the terminal apparatus corresponds to position information about the terminal apparatus, and for determining the position information by searching received power information obtained in the position detection from the database, and means for determining the position by use of signal times-of-arrival are executed in parallel. Then, the use of a result of the means which has detected the position earlier than another means shortens the position detection time.

The invention discloses an abnormal power consumption detection method. The method comprises the following steps: A, pre-processing the currently collected data and the history data; B, detecting the pre-processed data by adopting a data mining algorithm so as to recognize the suspected abnormal power consumption users; C, taking part of the suspected abnormal power consumption users that exceed a preset threshold parameter as abnormal power consumption users to carry out feedback; D, carrying out association analysis on the abnormal power consumption data in the history data by using an association algorithm so as to extract an abnormal power consumption internal association rule, and expressing the analysis result by using a form or a graph; and E, carrying out statistics on the distribution of the abnormal power consumption users in different industries and types and the data of specific abnormal power consumption users for query. According to the abnormal power consumption method, the power consumption data accumulated by the existing power grid information acquisition system is analyzed so that the abnormal power consumption users are detected; and through detecting the abnormal power consumption users, the detection result is more comprehensive, the detection correctness and the detection efficiency are improved, and the detection time is saved.

The present invention relates to a distributed optical-fibre sensing detection method for cast-in-place pile foundation. It is characterized by that it utilizes the sensing property of optical fibre for strain, so that the optical fibre can be implanted in the cast-in-place pile. When the concrete is solidified or loaded externally, said concrete and its peripheral concrete can produce synchronous deformation, its produced strain extent is the strain valve of said pile-body concrete. The invented sensing technique is a distributed data acquisition, namely, it can obtain the strain data of every point of pile-body. Said invention can utilize these data to implement detection and analysis of cast-in-place pile.

The invention relates to a method for detecting unknown poison by establishing a liquid chromatography-mass spectrometry database, in particular to a method used for detecting unknown poison during food poisoning. According to the method, firstly, an ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry method is used for establishing a liquid chromatography-mass spectrometry database of common poison; then, a sample is subjected to supersonic extraction with methyl alcohol or acetonitrile, liquid chromatography-mass spectrometry data of an extracting solution are measured similarly and searched and compared in the liquid chromatogram-mass spectrometry database of common poison according to the retention time of the sample and mass spectrometry fragments, and the variety of the unknown poison in the sample is judged; and the unknown poisoning sample is simply extracted and directly measured and compared, and a screening result can be acquired in one hour, so that the detecting and treating time of the sample is greatly shortened, the detecting efficiency is improved, and technical support is provided for related events such as food poisoning and the like caused by unknown reasons.

The invention provides a lithium ion power battery internal short-circuit detection method, which comprises the following steps: obtaining working parameters of each lithium ion power battery monomer in a battery module within internal short-circuit experiment time of an internal short-circuit experiment monomer in the battery module; carrying out calculation according to the working parameters of all lithium ion power battery monomers in the battery module and a table look-up function to obtain a first fault bit; obtaining a second fault bit according to monomer voltage in the working parameters of each lithium ion power battery monomer in the battery module; obtaining a third fault bit according to monomer temperature in the working parameters of each lithium ion power battery monomer in the battery module; and calculating a total fault bit according to the first fault bit, the second fault bit, and the third fault bit, and when the total fault bit is larger than or equal to a preset fault bit threshold value, judging that the internal short-circuit experiment monomer has internal short circuit. The lithium ion power battery internal short-circuit detection method improves detection precision of lithium ion power battery internal short-circuit detection.

The present invention presents a comprehensive advanced geological detection system carried on a tunnel boring machine. The comprehensive advanced geological detection system includes a multifunctional combination main frame, an induced polarization detection device, a seismic wave detection device, an integrated junction device, a borehole ground penetrating radar detection device and a comprehensive interpretation and decision system; the multifunctional combination main frame includes a time division multiplexing control module, an excitation source control module and a parallel data acquisition module; the excitation source control module outputs trigger signals to the three detection devices respectively, and the three detection devices respectively output measurement data and feedback signals to the time division multiplexing control module through the parallel data acquisition module; and the comprehensive interpretation and decision system supports geological interpretations and decisions through the inversion / migration imaging joint inversion of three detection methods.

The invention discloses a milk allergen test plate, which belongs to the gold immunochromatography detection. According to the milk allergen test plate disclosed by the invention, two ends of a PVC (polrvinyl chloride) base plate are respectively provided with a to-be-tested sample zone and an absorption zone. Colloidal gold mark antigens prepared by respectively marking colloidal gold into casein, beta lactoglobulin and alpha lactalbumin and mixing are orderly arranged between the sample zone to be tested and the absorption zone, and a nitrocellulose membrane is respectively provided with a detection zone coated with mixed milk allergen and a quality control zone coated with anti-beta lactoglobulin antibodies. In detection, color lines are formed in the detection zone and the quality contol zone when an immune complex is formed by specific milk antibodies contained in samples. If the samples do not contain specific milk antibodies, the detection zone does not display color, and only one color line is formed in the quality control zone. The milk allergen test plate disclosed by the invention with the design has the advantages of strong pertinence to the allergen detection, simplicity in operation, low cost and high sensitivity and the like, and can prevent the phenomenon of missed diagnosis in the single antibody detection. The milk allergen test plate is applied for rapidly screening patient allergic to milk, and is especially suitable for being used by primary medical treatment units.

The invention discloses a comprehensive advance geological detection system carried by a tunnel boring machine. The comprehensive advance geological detection system comprises a multifunctional combination main frame, an induced polarization detection device, an earthquake wave detection device, an integrated junction device, a drilling geological radar detection device and a comprehensive interpretation decision system. The multifunctional combination main frame comprises a time division multiplexing control module, an excitation source control module and a parallel data collecting module. The excitation source control module outputs trigger signals to the three detection devices respectively, the three detection devices respectively output measurement data and feedback signals to the time division multiplexing control module through the parallel data collecting module. The comprehensive interpretation decision system supports geological interpretations and decisions through the inversion / migration imaging joint inversion of three detection methods. The detection system greatly improves the automation degree and detection speed of detection equipment on the tunnel boring machine, and multiple kinds of detection equipment can be carried by the tunnel boring machine.

The invention relates to a connection table based optical automatic detection algorithm of a printed circuit board, belonging to the field of machine vision. In the invention, the on-line detection technique of the printed circuit board is improved by using a connection table method, and the aims of increasing the on-line detection speed and accuracy without precisely positioning images are achieved. The connection table-based optical automatic detection algorithm of the printed circuit board is mainly characterized by comprising the following step of: establishing a bonding pad conducting wire connection table by utilizing the connection relationship among bonding pads to prepare for subsequent detection. In the invention, the obtained images of a standard circuit board and the images of a circuit board to be detected can be preprocessed and finely processed, and a template database is established by extracting the characteristics of images. In the invention, the aims of quick positioning and precise identification are achieved without precisely aligning the image to be detected with a template image by utilizing the connection relationship among the bonding pads as a target positioning tool. In the invention, the defect problems of the conducting wire and the bonding pads in the circuit board to be detected can be accurately detected and the aim of real-time detection is achieved.

A gas-sensitive sensor membrane for the determination of gas concentrations in gas mixtures is proposed. Also proposed are a method and an apparatus for determining gas concentrations based on the change in the electromagnetic radiation absorption properties and / or the optical refraction index of an indicator substance, contained in the sensor membrane, which interacts with the gas to be determined.

The invention discloses a method for detecting appearance of a semiconductor chip. The device comprises a sucking mechanism, a U-shaped reflecting plate, two light sources, plane reflecting mirrors, a lens, a camera and an adjusting mechanism, wherein the sucking mechanism is used for sucking a chip to be detected to a position to be detected; the U-shaped reflecting plate is arranged on the sucking mechanism; the two light sources are symmetrically arranged on the side of the chip; one part of light emitted by the two light sources irradiates the U-shaped reflecting plate and performs backlight illumination on the bottom surface and one group of opposite sides of the chip, and the other part of light performs backlight illumination on the other group of opposite sides of the chip; a plurality of plane reflecting mirrors are obliquely and symmetrically arranged at the periphery below the chip, so that light rays reflected by the plane reflecting mirrors are vertically transmitted to the front end face of the lens; the lens is arranged on the camera and positioned below the chip; the camera is arranged on the adjusting mechanism; and the adjusting mechanism is used for adjusting the working distance of the camera. By a backlight illumination technology, a device is clearly imaged, contrast is high, lighting uniformity is achieved, detection time is shortened, and efficiency is improved.

The invention provides a test paper detection card intelligent detection system and a test paper detection card intelligent analysis method. The test paper detection card intelligent detection system comprises a test card detection card and an intelligent terminal; the test paper detection card includes a test paper detection area; four corner positions of the test paper detection area are each provided with a positioning mark; a standard color area formed by a plurality of standard color blocks with different colors is arranged at one side of the test paper detection area; a reaction area formed by arraying a plurality of reaction blocks is arranged at the other side of the test paper detection area; the test paper detection area also is distributed with a validation area formed by a plurality of white shadow validation color blocks; a bar code area is arranged in the test paper detection area. The test paper detection card intelligent detection system and the test paper detection card intelligent analysis method have the advantages that environmental interference factors during image shooting are effectively eliminated, and the sensitivity and accuracy of detection results are improved; and in addition, a detection and analysis algorithm is simple, so the detection time can be shortened, and the system and the method can play an important role in urine routine, blood routine and other medical detection.

The invention provides a method and device for intelligently processing the fault of a digital television terminal according to voice. The method comprises the following steps: receiving the voice control command by the digital television terminal, and analyzing the corresponding fault detection command according to the voice control command; starting a fault diction program, and detecting the fault according to the fault detection command; if it detects that the digital television terminal is abnormal, outputting the voice prompt on the abnormity of the digital television terminal and generating the abnormal state information; and generating and / or acquiring the corresponding fault correcting program from the home terminal and / or remote server according to the abnormal state information. The fault of the digital television terminal can be detected and corrected intelligently according to the voice control command, so that the maintenance time and labor are saved.

The invention provides a device for continuously detecting integrative luminescence properties of a light emitting diode (LED) light source, which comprises a detected sample seat and LED property detecting devices. The device is characterized by also comprising a guide rail, a measure and control device and a data processor, wherein the detected sample seat is arranged on the guide rail; at least two detecting stations are arranged along the guide rail, and each detecting station is provided with the LED property detecting device; the detected sample seat is controlled by the measure and control device to move along the guide rail; the LED property detecting devices detect a detected sample fixed on the detected sample seat and transmit detecting signals to the measure and control device; and the data processor reads the detecting signals from the measure and control device and analyzes the detecting signals. The device solves the problems of low integration level, complicated detecting procedure, and the like universally existing in the prior LED detecting instruments, has more comprehensive and integrative luminescence property detecting capability and effectively realizes an on-line continuous detecting function.

The invention discloses an in-orbit moving target detecting method with space-based radar and infrared data fusion. The method includes the steps that when an infrared detecting system is used for detection, background suppression is carried out on each frame in an infrared image sequence by adopting a filtering method based on the morphology, self-adaptive threshold segmentation is carried out on images obtained after background suppression, a single frame detection result is extracted, a multi-frame target is determined through a tracking algorithm, and whether the detection result is a real target or not is judged to obtain the detection result of the multi-frame target; during radar detection, pulse doppler (PD) is adopted for processing. After time calibration and space calibration are carried out on the obtained infrared and radar target information, data fusion is carried out on the information by adopting a measurement fusion method, and track prediction is carried out on fused data to obtain the estimated position of the target.

Embodiments of the invention disclose a human face key point tracking method and apparatus. The method comprises the steps of obtaining human face key point coordinates and a confidence degree of a previous frame of image to calculate human face key point coordinates of a current frame; and then, performing multi-human face identification on the current frame according to the human face key point coordinates of the current frame, calculating a corresponding confidence degree of the current frame for reference by a next frame of image, and circulating the process until all images in a video stream are identified, so that the purpose of tracking human face key points in the video stream in real time is achieved. According to the scheme, the detection time can be greatly shortened, the processing efficiency can be improved, the resource consumption can be reduced, and real-time calculation can be realized at a mobile terminal.

The invention relates to an SARS-CoV-2 neutralizing antibody detection kit. The SARS-CoV-2 neutralizing antibody detection kit comprises a solid phase carrier, an S protein antigen of SARS-CoV-2 and acompetitive substance. The competitive substance is marked with a signal substance and can be specifically combined with the new coronavirus S protein antigen. Whether a tested person is infected bythe new coronavirus or not and whether infection risks exist or not are judged by detecting a neutralizing antibody through an immunodiagnosis technology, and the method is reliable in theory, practical and feasible and can be completed only in a secondary biosafety laboratory.