644results about How to "Portable" patented technology

The invention discloses a human motion capture three dimensional playback system and a method thereof. The system is characterized in that the system comprises a human motion capture subsystem and a human motion playback subsystem; the human motion capture subsystem is composed of a microsensor motion measuring module and a motion parameter estimating module; the microsensor motion measuring module measures corresponding body motion data by a plurality of microsensor units attached to each limbs and trunk of human body respectively, and the motion parameter estimating module fuses microsensordata of different types of each microsensor unit and deduces the mass motion of human body; the human motion playback subsystem is used for receiving human mass motion parameters deduced by the humanmotion capture subsystem. The invention has the advantages of simple structure, high precision, low cost, small volume, low power consumption and convenient usage, has the characteristics of portability and real-time, has wide application in numerous fields and has comparatively strong practical value and application prospect.

The invention relates to a human motion capture device which comprises motion measuring units, a motion parameter estimation unit, an initialization unit, a display estimation unit and an overall integration unit; the motion measuring units are attached on all the limbs of a human body and are used for measuring the motion data and the environmental data of all the limbs; the motion parameter estimation unit deducts the motion parameters and the environmental parameters of all the limbs, and when in deduction, a self-adaptive anti-interference three-dimensional angle estimation method is adopted to deduct the three-dimensional angle values of all the limbs; the initialization unit is used for receiving and integrating the motion parameters and the environmental parameters of all the limbs, and deducting the initial operation parameters of the human body motion capture device; the displacement estimation unit is used for receiving and integrating the motion parameters and the environmental parameters of all the limbs as well as the initial operation parameters of the human body motion capture device, and deducing the displacement of the human body relative to the ground; and the parameters and the displacement of the human body relative to the ground are finally integrated together by the overall integration unit, so that the position and the gesture of the overall motion of the human body are worked out and output.

The invention provides a digital isothermal nucleic acid detecting device which comprises a micro-fluidic chip, a temperature control system and a pressure driving system. A microfluidic channel for microsphere forming and a reaction section for nucleic acid amplification are formed by the micro-fluidic chip through sequential laminating of a substrate layer, a channel layer arranged on the substrate layer and a cover plate layer arranged on the channel layer. The temperature control system comprises a lower press plate for applying pressure to the substrate from bottom to top and an upper press plate for applying pressure to the cover plate layer from top to bottom, and temperature sensing chips and temperature control heating elements for heating the reaction section are arranged in the upper press plate and the lower press plate. The pressure driving system is connected to the micro-fluidic chip and used for applying pressure to the channel layer in the micro-fluidic chip so that liquid to be detected can flow into the reaction section from the inflow end. According to the scheme, microsphere preparation and nucleic acid amplification and detection are integrated through the digital isothermal nucleic acid detecting device and the detection method, and the advantages of being high in sensitivity and the like are achieved.

The invention provides a transparent encryption and decryption method for an intelligent terminal file. The method comprises the following steps: setting an authorized progress list and a to-be-protected file list on an application layer and sending the authorized progress list and the to-be-protected file list to a dynamic link library. so; acquiring an operation command for an operation file from an access progress, calling for the dynamic link library. so through JNI, and transmitting the name of the access progress, the address of the operation file and the operation command to a hook module of a nucleus layer of an operating system of the intelligent terminal when the dynamic link library. so determines that the access progress is the authorized progress and the operation file is the to-be-protected file; seeking for a system call table by the hook module; acquiring the address of a system call function corresponding to the operation command from the system call table; replacing the address of the system call function in the system call table with the address of the function with a decryption function preset in the nucleus layer.

The invention provides a digital switch converter with fast transient response capability. The digital switch converter comprises a Buck type switch converter power level main topology structure, an A/D (analog-to-digital) sampling conversion unit, a prediction control unit, a fuzzy PID (proportion integration differentiation) control unit, a DPWM (digital pulse width modulation) unit and a driving unit, wherein the A/D sampling conversion unit respectively samples the analog output voltage value and the analog inductor current value of the sampling switch converter and converts analog signals into digital signals, the prediction control unit predicts the next switch period output voltage value according to the A/D sampling digital signal value combined with the Buck type switch converter main topology structure, the fuzzy PID control unit determines the switch period duty ratio according to the output voltage error value and the output voltage error deviation value, and the DPWM unit and the driving unit output the corresponding on-off state of a power tube of the PWM driving switch converter according to the duty ratio for regulating the output voltage value.

The invention discloses passive finding equipment and a passive finding method based on sniffing and fingerprint technology of network topology. The equipment comprises sniffing devices and a management device, wherein a plurality of sniffing devices are arranged in a network to be found, are directly connected with a host computer of each subnet host exchange, acquire all network element information and routing information from a subnet data packet and transmit the element information and the routing information serving as topology finding information to the management device; and the management device is arranged on any host computer which is not provided with any sniffing device, and is used for managing, summarizing and analyzing the sniffing devices and information acquired by the sniffing devices and drawing and displaying a network topology diagram of the entire network to be found. In the method, topology is found in a passive mode, so that additional data load on the network in a finding period is greatly lowered, and an acquired network data packet is a practical communication action and is correct and reliable. A network topology finding process can be controlled flexibly; through manual setting of the management device, start and stop of all sniffing devices can be controlled conveniently and flexibly; and the equipment and the method have good popularization prospects.

A method for controlling the operation of a keyboard and a mouse of a computer by a mobile phone with Bluetooth relates to a method for establishing connection on various occasions by using the Bluetooth, thus realizing the remote control of various operations of the computer by mobile phone. The method comprises the following steps: firstly, a client software is installed at a mobile phone terminal and a server software is installed at a computer terminal; later the client software of the mobile phone and the server software of the computer terminal are opened and then connected by the Bluetooth; later a mobile phone key is pressed by the client software for sending the key mapping information to a server terminal; when the server terminal receives the message, according to the set in a configuration document for the shortcut key which the user customizes, the message is analyzed as corresponding mouse keyboard operation commands, and the corresponding relationship between the key at the mobile phone terminal and the function of the computer mouse, so the control to the computer is realized. Both the server terminal and the client terminal use Java for compiling, can run under different platforms, and have good portability; and the shortcut key which the user can customize is suitable for different occasions.

The invention belongs to similar document mining problems in natural language processing, relates to the technical field of word embedded expression, document keyword extraction, document embedded expression and nearest neighbor rapid calculation in high-dimensional space, and discloses a Doc2vec-based similar entity mining method. According to the method, similar entities are effectively mined through description documents of the entities by using Word2vec word embedded expression, TFIDF document keyword extraction, converting the description documents of the entities into continuous and dense vectors by using Doc2vec, and using Balltree data structures.

The invention discloses software and hardware-decoding general multi-media playing equipment, which comprises a multi-media information acquisition device, a multi-media processing device and a multi-media display device. The general multi-media playing equipment is characterized in that: the multi-media processing device comprises a file analyzing module for analyzing multi-media information according to the types of multi-media files, a decoding module for decoding analyzed multi-media audio/video steaming information and an output module for receiving the multi-media information decoded by the decoding module and outputting the multi-media information to the multi-media display device for displaying. The general multi-media playing equipment can utilize processing capacity of a hardware platform to a maximum degree and improve the processing capacity of multi-media.

The invention discloses a multipurpose six-legged robot remote control system based on an Xtion device. The system comprises a wireless network module, a motion control unit, an action editing module, an SLAM module, a gesture recognition unit and a speech recognition module. Through the wireless network module, the remote control system controls a six-legged robot. The motion control unit is used to control the operating mode and travel of the six-legged robot. The action editing module is used to edit the movement of the six-legged robot. The gesture recognition unit and the speech recognition unit realize gesture and speech control of the robot respectively. The SLAM module is used to locate the six-legged robot, creates an environment map, and designs two-dimensional and three-dimensional SLAM algorithms to create the environment map. The system provided by the invention has the advantages that the functions of wireless network connection, SLAM, the action editor, gesture recognition and speech recognition are integrated on a six-legged robot platform, so that the six-legged robot can complete tasks better.

The invention relates to a componential realizing method for a communication protocol. It defines the uniform interface standard, determines the componential mode, component developing platform, submits the component bank storage, improves the operation system and acquires the running supports. It has advantage to realize the reasonable package to the communication protocol, optimizes the reasonable call to the service realized by the protocol, and maintains excellent backwards compatibility. The componential communication protocol realizes the dynamic load of protocol, supports the repeatability and height configurability of the component, it has a short developing period, excellent transplantation. It is convenient to the assembly of protocol. It replaces the different protocol components through loading, provides each kind of network service function, service quality, especially suitable for the spot which is strict with the real-time, error tolerance and continuity.

The invention relates to a multidirectional hydraulic rock drilling machine with integrated drives, and discloses multidirectional hydraulic rock drilling equipment with the integrated drives, which is composed of a rack, a drilling mechanism, a rod breaker mechanism, a drill hole angle adjustment mechanism, a crawler-type walking mechanism, an air compressor, an engine, a hydraulic system, an electronic control system, a dust removing system and the like, wherein, the crawler-type walking mechanism of a track frame the angle of which can be oscillated and is arranged below the rack; the air compressor, a hydraulic control system, an electrical apparatus control system, a power system and the dust removing system are arranged on the rack; the right front end of the rack is provided with afolded arm rack or a flexible arm rack; the front end of the arm rack is provided with a rotary head and the drilling mechanism; and the rod breaker mechanism, a pipe reeling mechanism, a propelling mechanism and a hydraulic rock drilling machine are arranged on a drilling rack of the drilling mechanism. The multidirectional hydraulic rock drilling machine integrating drive of the invention integrates the drives, can drill holes in multidirection, simultaneously has low energy consumption, high efficiency, compact structure and light and flexible operation, and is simple and convenient for maintenance.

The invention discloses a monitoring and correcting device for a single event upset fault of a satellite borne spread spectrum responder. The monitoring and correcting device is used for monitoring and correcting a communication processing module of the satellite borne spread spectrum responder. The monitoring and correcting device is characterized by comprising an anti-fuse FPGA circuit, a watchdog circuit and an AND gate logic circuit, the anti-fuse FPGA circuit is used for conducting backward reading, backward reading information comparing and heavy load judging on the configuration information of the communication processing module and used for sending first heavy load signals to the AND gate logic circuit, the watchdog circuit is used for sending second heavy load signals to the AND gate logic circuit according to feed dog signals sent by the communication processing module, and the AND gate logic circuit is used for conducting AND logic operation on the received first heavy load signals and the received second heavy load signals and sending heavy load enabling signals to the communication processing module according to AND results.

A method for controlling dynamic response of switch power is based on a closed-loop control system including a sampling module, a dynamic control module, an error calculating module, a PID module, a mode control module and a PWM module, wherein the sampling module samples output voltage Vo, and the dynamic control module compares the Vo with set Vo max, Vo min and V ref. Whether a dynamic mode is employed is determined. When the output voltage Vo changes greatly under the dynamic mode, the voltage Vo is rapidly restored to a stable voltage by inputting large power or small power, and the load is detected by voltage change gradient to determine the working state and reduce voltage resonance. The dynamic response effect is improved.

The invention discloses a communication method of underwater digital voice and relates to a communication method. The communication method comprises the following steps of: at a communication transmitting end, sampling input simulated voice by using an analogue to digital (A/D) converter so as to obtain digital voice, performing mixed excitation linear prediction (MELP) low-speed compression coding on the digital voice so as to obtain voice data, grouping and performing Turbo coding on a voice data bit stream so as to obtain different groups of data, performing orthogonal frequency division multiplexing (OFDM) multicarrier modulation on every group of data and converting a modulated signal into a sound wave through an underwater acoustic transducer for transmitting in a sea underwater sound channel; and at a communication receiving end, performing underwater sound OFDM multicarrier modulation on a received signal after synchronization so as to obtain demodulation data, performing Turbo decoding on the demodulation data, performing MELP decoding on the data so as to synthesize the digital voice, converting the digital voice into simulated voice by using a digital to analogue (D/A) converter and outputting the simulated voice through a loudspeaker.

The invention discloses a high sensitive biochemical sensor based on a resonance oscillation type micro cantilever beam structure. The biochemical sensor comprises a resonance oscillation chamber, a cantilever beam and a Whist bridge type detection circuit, wherein a micro column structure (3), a liquid storage tank (4) and a liquid leakage hole (5) through which biochemical solution flows are etched at the free end of the cantilever beam; the support end of the cantilever beam is connected with the Whist bridge type detection circuit; the Whist bridge type detection circuit is composed four U-shaped piezoresistance bars (1), three input electrodes (8, 9, 10) and two output electrodes (7, 11); and the four piezoresistance bars (1) are connected with the input electrodes (8, 9, 10) and the output electrodes (7, 11) through a signal transmission line (2). With the adoption of the biochemical sensor, micro biochemical molecules can be sensed with a high sensitivity by detecting the frequency change after an object to be tested is absorbed; biochemical molecules with micromass can be detected; and the biochemical sensor can be widely used in engineering fields such as medicine and chemistry.

A real-time personnel positioning device based on a wireless sensor network relates to the technical field of wireless sensor networks. It comprises a positioning terminal (1), a positioning base station (2) and a host computer (3), wherein the positioning terminal (1) is connected to the host computer (3) through wireless signals, and the host computer (3) is connected to the positioning base station (2). Its positioning equipment takes into account both indoor and outdoor conditions, suitable for non-line-of-sight transmission and long-distance transmission, low-cost equipment, low power consumption, and high positioning accuracy.

The invention provides a car arrester module capable of achieving modularization assembling and a matrix car arrester composed of the same. The car arrester module comprises an L-shaped body support and at least one connecting device arranged on the L-shaped body support. The support is composed of a transverse beam and a vertical beam. The connecting devices are used for splicing the car arrester module with other car arrester modules to form the matrix car arrester. Tire breaking assemblies such as bore spines and racks can be arranged on the body support and/or a connector for breaking car tires. The car arrester module has the advantages of being low in weight, small in size and convenient to carry. In addition, due to the fact that the car arrester has the modularization structure, the flexible and maneuverable arresting purpose under various road conditions and clamping setting requirements can be achieved, and the application range is wide.

The invention discloses a method and a device for realizing telecommunication service. Based on Chrome OS, an application (APP) layer, a Phone Server layer, a radio interface layer (RIL) and a hardware abstraction layer (HAL) are set; and after the Chrome OS is started, the RIL and the Phone Server layer are initialized, and the telecommunication service is realized through the set four layers. By adopting the scheme, the telecommunication service is transplanted to a Chrome OS platform, the application of a browser and interaction among wireless devices can be realized, the initialization of the RIL and the Phone Server layer required by the telecommunication layer is completed, and the standby page of Home APP is displayed when the Chrome OS is started; and the method and the device have the advantages of clear architecture realization and strong transportability and can further optimize the telecommunication service.

The invention is suitable for the communication field, and provides a user login method. The method comprises: a user login interface is displayed, wherein the user login interface comprises an image which is embedded with a watermark, and the watermark carries private information of user login; an instruction that a user triggers the user login interface is received; watermark information inside the image of the user login interface, and the private information of the user login is obtained from the watermark information; and login is conducted according to the private information of the user login, wherein the private information is obtained from the watermark information. According to the user login method and a system, the user login can be achieved rapidly and accurately, and the private information can be stored safely.

The invention relates to an object volume measuring method. The method comprises the steps of acquiring a depth image of an object to be measured; performing rough positioning on the object to be measured according to the depth image, and obtaining an edge contour region of the object to be measured; expanding the edge contour region to obtain an expanded region, wherein the expanded region corresponds to the support surface of the object to be measured; acquiring the length, width and height of the object to be measured according to the edge contour region and the expanding region; and calculating the volume of the object to be measured by using the length, the width and the height. According to the object volume measuring method, the volume of the object to be measured can be rapidly andaccurately measured, so that the automation of a logistics packing process is facilitated.

The invention relates to a virtuality and reality combined internet-of-vehicles application scene test system and method. The scene test system comprises a sensor equipment layer, an abstract sensor interface layer, a data fusion layer, a world model layer, an application layer, a database and a scene imagination layer, wherein the sensor equipment layer is used for obtaining and sending real scene data and virtual scene data; the abstract sensor interface layer is used for separating the data fusion layer, the application layer ad the sensor equipment layer, and providing data reading interfaces for the data fusion layer, the world model layer and the application layers after the separation; the data fusion layer is connected with the abstract sensor interface layer and is used for collecting and integrating the acquired scene data; the world model layer is used for receiving the integrated scene data so as to construct a world model; the application layer is used for carrying out scene test in the world model; the database is used for storing the data; and the scene imagination layer is sued for constructing virtual scenes and importing virtual scene data into the database. Compared with the prior art, the system and method have the advantages that virtuality and reality combined scene test can be realized, the equipment transportability is strong, the scenes can be played back and the test is simple, convenient and efficient.

The invention relates to a multifunctional gateway used for a vehicle and a control method thereof. The multifunctional gateway comprises a main controller, transceivers, a 3G module and a WI-FI module, wherein the main controller is a processor of the multifunctional gateway and is in control connection with the transceivers, the 3G module and the WI-FI module, the transceivers are all in communication connection with the main controller and are used for receiving and transmitting network signals, the 3G module is used for providing 3G internet functions, and the WI-FI module is used for being used by a terminal electronic device with the gateway as a WI-FI hot spot. The multifunctional gateway is a gateway integrating an in-vehicle network, the Internet and an inter-vehicle network and extends and integrates firewall functions, remote diagnosis functions, 3G functions, WIFI functions, power supply security level management functions and the like; extension function hardware and software are designed in a modularized mode, meanwhile, the multifunctional gateway serves as a platform-type multifunctional gateway, the extension functions have transplantable performance, the multifunctional gateway is suitable for vehicle models with different configuration parameters and of different levels in a platform, and development cost and develop frequency can be effectively reduced.

The invention belongs to the field of dynamic trajectory accuracy calibration of manipulator arms, and provides a position accuracy measuring device and method for a manipulator arm. The dynamic trajectory error of the manipulator arm is measured by means of two orthogonal turntables and a radial telescopic mechanism passing through two rotating centers. A precise standard steel ball fixed at theend point of the radial telescopic mechanism is attracted to a magnetic ball seat fixed at the end point of the manipulator arm, the spatial position coordinates (X, Y, Z) of the end point of the manipulator arm are obtained by coordinate transformation of the steel ball coordinates (R, theta, phi) on a three-dimensional spherical coordinate mechanism, and the position error of the end point of the mechanical arm can be obtained by subtracting the coordinate position and the motion command position of the manipulator arm. A three-dimensional spherical coordinate system is formed by integratingan azimuth angle, a pitch angle and a radial length, and the precision of the spherical coordinate mechanism is higher than that of the manipulator arm. The position accuracy measuring device has portability, low cost, good practicability and easy product development, and the real-time measurement of the error of the manipulator arm error can be completed.

The invention discloses a deformation luneberg lens based on novel metamaterials. The lens is formed by the way that fifteen layers of round dielectric sheets are arrayed in the radial direction in an equally-spaced mode, and I-shaped metal structure units are periodically distributed on each layer; the sizes of I-shaped structures which are attached to the sheets far away from the center of the lens are smaller and smaller, and the equivalent dielectric constants are smaller; the equivalent dielectric constant of the outermost layer is one approximately, the equivalent magnetic conductivity is also one approximately, and thus the air layer attaching purpose is achieved. Compared with a traditional luneberg lens, the deformation luneberg lens is changed in that the position of a feed source is varied, and a round rail is arranged in the deformation luneberg lens to allow the feed source to move. A cylindrical wave generated by the feed source is emergent in the mode of a plane wave under the action of the lens, the emergent direction of the plane wave is changed along with the movement of the feed source on the rail, and thus wide-angle scanning of beams is achieved. The deformation luneberg lens based on novel metamaterials is simple in design and manufacture and capable of converting the cylindrical wave into the plane wave, thereby having a wide application prospect in the fields of radar, antennas and the like.

The invention discloses an online monitoring numerical-control system based on a network architecture, comprising a numerical-control machine tool, an embedded online monitoring unit, a long-distance fault diagnosis center and a standard interface, wherein the embedded online monitoring unit is provided with an independent center processing unit which is independently arranged in the system and comprises a PC (Personal Computer)/104 bus, a signal conditioning module, a data acquisition card and an online monitoring module, used for realizing data acquisition and online monitoring and building data transmission in weak-coupling connection with the numerical-control machine tool and connected with the long-distance fault diagnosis center through the standard interface so as to carry out fault data transmission; and the numeral-control machine tool and the long-distance fault diagnosis center are connected through the standard interface to realize information interaction. The invention realizes a numerical-control machine tool complete-unit monitoring platform for carrying out information seamless interaction between a numerical-control system and an embedded online monitoring unit, and integrally realizes that the state of the numerical-control machine tool can be displayed, the faults thereof can be diagnosed, the performance thereof can be predicted, and the numerical-control machine tool can be controlled for long distance by taking the platform as a node or a terminal of an equipment information network,.

The invention relates to a centrifugal micro-fluidic chip for detecting the chromium ion form in a water body and a preparation method of the centrifugal micro-fluidic chip. The centrifugal micro-fluidic chip is a disk type centrifugal micro-fluidic chip with a microstructure and a microchannel; the enriching and separating operation process of a Cr ion in the water body and a miniature centrifugal chromatographic column integrated on the centrifugal micro-fluidic chip is realized by using a centrifugal force generated by rotating a centrifugal machine as a driving force; and the content of total Cr in the water body and the content of Cr<6+> in an extraction solution are respectively detected by an inductively coupled plasma mass spectrometry (ICP-MS), and thus the analysis of the chromium ion form in the water body is realized. The centrifugal micro-fluidic chip realizes the integration, the micromation, the automation and the portability of the chromium ion form detection in the water body; and the centrifugal micro-fluidic chip has the characteristics of fewer reagents and samples, quickness in detection, portability and high parallel detection capability and provides a brand-new analysis technology for detecting the chromium ion form in the environment water body.

The invention relates to the technical field of computer application, in particular to a mainstream relation type database table mode objectification and virtualization mechanism. According to the mechanism, relation type database tables huge in physical difference are converted into unified object models, that is, each database table is simply regarded as a p-v object instance system, and each database table field is converted to be a pojo or a simple object instance to serve as the key attribute of the p-v object instance system and arranged in a cloud database element node database in a persistence mode to form virtual table resources, so that the complex physical structure of a multielement heterogeneous database is evolved to be a unified virtual database platform relatively simple in logic, mapping is conducted between logic elements and physical elements, and operation modes of logic layer concepts are defined and mapped to be operation modes of the physical elements, complex underlying physical details and difference are shielded, and a cloud database virtualization platform uniformly based on object model operation is provided. By means of the mainstream relation type database table model objectification and virtualization mechanism, the problem that database data cannot be uniformly managed and the problems of interconnection and interworking are solved, and the mechanism can be used for interconnection and interworking of the database data.

The present invention provides a liquid crystal hyperspectral calculation imaging measurement device of three-dimensional encoding. The device comprises a front-end lens 2, a wave band selection and splitting module 3, a space encoding module 4, a collimating lens 5, an area-array detector 6, a data storage module 7 and a calculation reconfiguration module 8; and based on the three-dimensional encoding, the measurement device performs projection measurement of the three-dimensional spectral data of an object consisting of two-dimensional space information and one-dimensional spectral information in the random encoding information, and performs dimensionality reduction of the hyperspectral data at the data collection phase to obtain the compressed hyperspectral data with the selected central wavelength. Compared to the traditional hyperspectral imaging system, the liquid crystal hyperspectral calculation imaging measurement device and method of three-dimensional encoding can realize the compressing sampling on the space, and can perform spectrum selection at the data collection phase so as to realize the data dimensionality reduction, avoid data redundancy, reduce the data volume, improve the information utilization and facilitate rear-end transmission and storage.

The invention discloses an anti-Compton scattering detector, which comprises a main detector made of the sodium iodide material. The lower end of the main detector is connected with a photomultiplier. The main detector is nested into an auxiliary detector compounded of a plastic scintillator. The light guide material is arranged between the main detector and the auxiliary detector. The upper end of the auxiliary detector is connected with the photomultiplier. The lower end of the auxiliary detector is provided with a lead shielding ring. According to the invention, the background influence of natural gamma-ray scattered photons (Compton effect) is reduced to the maximum extent. Meanwhile, the accuracy of the in-situ environment gamma-ray detection result is improved. The structure unit of the detector is simplified and the power consumption of a complete machine is lowered.