106results about How to "Less detectable" patented technology

A vehicle includes a motor for driving wheels WH, an inverter to drive the motor, and a control device to perform PWM control of the inverter. The control device performs synchronous PWM control in a case where an electric current supplied to the motor by the inverter or torque generated in the motor is larger than a threshold value; and performs the synchronous PWM control or non-synchronous PWM control in a case where the electric current or the torque is smaller than the threshold value and sets carrier frequency or a pulse number of the PWM control to be higher than the case where the electric current or the torque is larger than the threshold value. Thereby, it is possible to provide a vehicle of achieving reduction of noise, reduction of cost and improvement of fuel consumption in a balanced manner.

A portable unmanned air vehicle and launcher system is provided that includes a foldable unmanned air vehicle having a pressure tube; a launch gas reservoir for holding launch gas; a launch tube operatively connected to the launch gas reservoir and having a free end that is positioned in the pressure tube of the air vehicle; a free piston positioned within the launch tube; and a free piston stop to prevent the free piston from leaving the launch tube. A first portion of the launch gas in the launch gas reservoir is released into the launch tube and forces the free piston from an initial position to an end position at which the free piston is stopped by the free piston stop.

Handheld apparatus (100), and method for comprehensive hearing testing with pass/refer results applicable for large scale neonatal screening, adult screening, full hearing diagnostic is disclosed. The apparatus (100) contains a signal processor (1), integral ear probe (150), and remote ear, and scalp probes (104) all packaged as a single handheld battery operated device (100). The apparatus (100) preferably performs a battery of tests, either independently or combined: oto-acoustic measurements utilizing a novel digital signal processing method for evoked oto-acoustic signal processing, auditory brain stem response test, tympanometry, and oto-reflectance. Algorithms for automatic test sequence, and pass/refer indication for the tests are provided.

The invention relates to an intelligent emergency management method for urban public transports. The invention comprehensively applies a method of combining theoretical analysis, measured data, model and algorithm, scientifically integrates geographic information system technology (GIS technology), global positioning system technology (GPS technology) and modern communication technology, utilizes intelligently developed public transport emergency technology of a public transport network and coordinative dispatching technology of a traffic control system, takes network-based dispatching and operation management of public transports as a core, is based on key theories and methods of intelligent coordinative dispatching between public traffic system lines, establishes an emergency management method oriented at public transport events, provides good theories, methods and technical support for intelligent management of the urban public transports, and effectively improves the operation efficiency and the operation safety of the public transports by effectively reducing the event detection and acknowledgement time, adopting proper event response measures, safely removing events and managing influenced public transports until the public transports restore the prior traffic capacity.

A system and method for the detection of an analyte using multiplexing of the sensing elements is described. In one embodiment, a sensor array includes sensing elements, and probes bound to one or more sensing elements. The sensor array is formed from a supporting member to which a plurality of sensing elements may be coupled. The sensing element may have a predefined shape, size or location. A signal may be produced when a target analyte interacts with a probe. In one embodiment, the identity of the target may be determined by the detection of the signals produced and the shapes of the sensing elements. Each analyte may be given a unique code that is represented by one or more sensing elements.

The invention discloses a laboratory information service management system and a working method based on a block chain. The management system includes: a service system: used for service certificates,service queries and service verification; a middleware server: used for the storage, query, verification, retrieval, uplink and event notification of service files, reports or data; a file system server for storing file information from the middleware server; an MQ server: used to complete the communication between the servers; a block chain server: used to complete the storage, processing, analysis and application of block data; a database server, used for storing data information from the middleware server; and a distributed peer-to-peer network: used for interaction between chunk chain servers. The invention can reduce the misjudgment and negligence risk of food detection, improve the credibility of the food detection report, and simultaneously improve the work efficiency of the detection mechanism.

Disclosed are a method for performing or supporting D2D communication in a wireless communication system and an apparatus therefor. The method for enabling a D2D terminal to perform D2D communication according to the present invention comprises the steps of: receiving polling interval information allocated to transmit a polling signal for the D2D communication from a base station; and transmitting the polling signal to the base station within the allocated polling interval. The polling signal comprises an identifier of the D2D terminal, an identifier of a target D2D terminal selected through a search, and an indicator for indicating the execution of D2D communication.

A directional coupler according to the present invention includes a primary line for transmitting a transmission signal; an input port for inputting the transmission signal to the primary line; an output port for outputting the transmission signal from the primary line; a secondary line for electromagnetically coupling with the primary line to extract part of the transmission signal; a coupling port provided at one end of the secondary line; an isolation port provided at the other end of the secondary line; and a low pass filter unit having a function of low pass filter, disposed between the secondary line and the coupling port.

The invention discloses LED (Light Emitting Diode) ageing detection screening equipment and method. In the equipment, a push rod is driven by a power device to make each splint press towards a corresponding LED row and a corresponding LED cathode pin is in contact with a corresponding cathode contact, so that electrification of LEDs is realized; meanwhile, detection screening of the LEDs is realized by using a PC (Personal Computer) machine. In the entire ageing process, rated voltage output by a circuit control system is kept at 24V, the rated current output is 50mA, current and voltage input to the LEDs are adjustable, and the rated current and rated voltage are supplied to the ageing of the LEDs for 20-60 minutes; through ageing, LEDs with electrical and process hidden troubles can be eliminated; and after ageing, the power device stops acting on the push rod and each splint returns to an initial position under the action of the acting force of a return spring, so that detection ofLEDs is realized and defective LEDs are eliminated.

The invention discloses a digital signal processing (DSP) device single particle turning effect testing method. According to the method, testing cases are designed by modules and are reduced on the premise that all the modules do not interfere with one another, the single-particle turning of all the modules in a DSP device are tested more comprehensively while the single-particle turning testing and interruption testing confusion of all the modules are reduced, so that the single-particle turning testing time is reduced, and resources are saved; a fixed vector testing method is adopted, a testing program works outside the DSP device, an internal program random-access memory (RAM), an internal data RAM and a register are set to be fixed vectors, transmission faults caused by program designing are reduced, the output of each interface penetrates through 0 and 1 alternating waveforms, and the judgment of interface faults is prevented.

Systems and methods for diagnosing operation of a sensor of an exhaust system are presented. In one example, the systems and methods may diagnose operation of the sensor when an engine is combusting air and fuel. Further, operation of the sensor may be diagnosed when the engine is not combusting air and fuel so that vehicle occupants may not be disturbed by the diagnostic.

The invention relates to a video detection technology and discloses subtitle detection method and device as well as background recovery method and device, wherein the subtitle detection method comprises the following steps of: acquiring the probability of a pixel region in a video frame belonging to a smooth background; determining the probability of the pixel region belonging to a still texture by using an interframe correlation coefficient; acquiring the probability of the pixel region belonging to a dynamic texture; and determining whether the pixel region belongs to a roll subtitle regionor not according to the probability belonging to the smooth background, the probability belonging to the still texture and the probability belonging to the dynamic texture of the pixel region. By using the technical scheme provided by the embodiment of the invention, interframe information can be used for detecting subtitles of a video.

The invention discloses a processing method and a system of accounting data. The processing method comprises: detecting type-in electronic accounting voucher data, dividing the accounting voucher data into cash data and non-cash data, and identifying at least one of the cash data and the non-cash data. The invention efficiently and accurately manages accounting data, provides the unified management of accrual basis and cash basis, truly reflects the financial situation and business condition of an enterprise, and is convenient for managers to analyze and master influence on future enterprises management and development by the flow variation of different types of funds from different angles and breadths.

The invention provides a software development kit testing method, a system, a computer device and a readable storage medium. The software development package testing method comprises the following steps: acquiring the update status of the software development package according to the configuration file included in the software development package to judge whether there is an updated target software development package in the software development package; Obtaining the latest software development kits when there is an updated target software development kit; Performing packaged build actions based on the latest software development packages and internal test packages. The software development kit test method provided by the invention judges whether the SDK stored on the computer equipment is updated, and packages the SDK and the internal test kit to construct action when the SDK is updated, so that the subsequent integration test and the system test can be conveniently and quickly carried out.

The invention relates to a computer vision recognition technology, in particular to a real-time robust face detection method. The method comprises the steps of obtaining a target image needing the face detection and processing; establishing and training detection model, wherein the detection model includes a plurality of convolution module, multiple Inception modules, a plurality of Inception modules with residuals and a plurality of detection modules, inception module is a channel separation and convolution module with two branches. Inception module with residual error is a channel separationand convolution module with residual error connection, and the detection module uses convolution operation to output position information and classification information; inputting the target image into the trained detection model and obtaining the convolution results at the specified level; carrying out the classification and regression of the convolution results obtained; according to the results of regression and classification, calculating the position of human face. The method constructs a simple and efficient convolution neural network, reduces the redundant operation in the detection process, and achieves real-time effect on the CPU.

The invention discloses a deep learning-based detection method and device of safety-helmet wearing in a video. The method comprises: taking M pictures from collected video data; labeling N pictures inthe M pictures, and labeling the M pictures to obtain pedestrian positive-sample data, pedestrian negative-sample data, safety-helmet positive-sample data and safety-helmet negative-sample data; using the pedestrian positive-sample data and the pedestrian negative-sample data to train a pedestrian detection network, and using the safety-helmet positive-sample data and the safety-helmet negative-sample data to train a safety-helmet detection network; training a to-be-detected image, and obtaining a to-be-detected area through a background difference method; inputting the to-be-detected area tothe trained pedestrian detection network to judge whether a pedestrian exists in the to-be-detected area; if yes, executing an operation of inputting a preset area in the to-be-detected area, where the pedestrian exists, into the trained safety-helmet detection network for detection; and issuing an alarm if the pedestrian is not detected. By applying the embodiment of the invention, detection efficiency can be improved.

The invention belongs to the biotechnology field and relates to a method for efficiently detecting interaction of in vivo proteins, which is built by utilizing an efficient immediate transfection and expression system, improving a biotin-streptavidin one-step affinity purification technique, applying a label only having 15 amino acids and integrating an isotope labeling technique. The method adopts initiator cells with consumption of 10<7> order of magnitudes, is applied to the detection of the interaction of the proteins of primary cells, can identify more interacted proteins, especially weak and immediate interaction, has obviously higher specificity and efficiency than the prior art and can greatly reduce the detection time and the detection cost. The invention is beneficial to know the signal conductive process of the cells and has an important reference value for the development of relevant medicines for pointedly treating diseases and the treatment method.

The present invention relates to a field of drug injection, and discloses a drug information detection device and a drug information detection type injection device. The drug information detection device is configured to detect an injected dose of an injection pen containing drug. The drug information detection device includes a housing, a rotary encoder configured to convert rotational information of the adjusting knob into drug injected dose information, and a control assembly. The rotary encoder includes an encoder body and a rotary block rotatably connected to the encoder body. The encoder body and the control assembly are electrically connected to each other. The housing is configured to cover the encoder body and the control assembly.

The invention discloses a drunk driving safety defense device and a drunk driving safety defense method which is matched with the device. The drunk driving safety defense device comprises a detecting module, a signal processing module, a central processing module and an alarming module, which are connected with each other via signals in sequence. The drunk driving safety defense device further comprises an automobile engine control module and an interaction module, wherein the automobile engine control module is connected with the central processing module; the interaction module communicates with a mobile phone; after the signal detecting module detects an alcohol signal, the alcohol signal is amplified and converted by the signal processing module; and the central processing module receives a converted detecting signal, sends an alarming signal to the alarming module according to a preset condition, sends an engine stopping signal to the automobile engine control module, sends drunk driving information to the interaction module and sends the drunk driving information to the set mobile phone through methods such as a short message, an instant messaging tool, APP and the like. After receiving the drunk driving information, the set mobile phone can perform corresponding processing to avoid drunk driving.