94results about How to "High system integration" patented technology

A tiled display apparatus includes at least five functionally identical transparent partially-overlapped display tiles arranged in two dimensions, each display tile including pixels arranged in a two-dimensional array, and the display tiles being disposed so that light emitted by pixels located beneath a neighboring display tile at the edge of the pixel array passes through the neighboring display tile.

The invention discloses a magnetic resonance multichannel digital transmission system, including a multipath data multiplexing unit, a data encapsulation unit, a high speed serial transmission unit, a fiber transmission unit, a fiber reception unit, a high speed serial reception unit, a data unpacking unit and a multipath data demultiplexing unit. Multichannel magnetic resonance digital signals after sampling and front-end processing are subjected to multiplexing according to magnetic resonance data word lengths, obtained data of all channels are polled as a frame, and frame synchronization codes required in demultiplexing are inserted at a frame header, and thus the real-time property and the integrity of magnetic resonance data are ensured. Synchronous clock information is inserted in line coding, and thus transmission of magnetic resonance data and clock can be completed using a single channel, and system equipment is simplified. FPGA chip programming realization is used to improve the system integration degree. The invention also provides a magnetic resonance multichannel data transmission method.

The invention belongs to the field of a distributed industrial control technology, and relates to a multi-serial port parallel processing framework based on a SoC (System on a Chip) FPGA (Field Programmable Gata Array). The framework comprises transceivers, and a SoC FPGA chip which is integrated with an FPGA and a processor CPU. The framework is characterized in that a plurality of UART (Universal Asynchronous Receiver / Transmitt) cores and a plurality of coprocessor MCUs (Microprogrammed Control Unit) corresponding to the UART cores are designed in the FPGA in the SoCFPGA chips according to an HDL (Hardware Description Language); a plurality of embedded memories corresponding to the coprocessoer MCUs are embedded into the FPGA, and each embedded memory is configured to be in a dual-port mode capable of reading and writing; and the plurality of UART cores and a plurality of corresponding transceivers are connected through RS232 / RS422 / RS485 interfaces. The device is high in system integration degree and low in hardware design cost, is capable of effectively reducing CPU load, promoting the transmission bandwidth of serial bus data, and flexibly expanding a plurality of serial channels.

A combo transducer includes a base, a proof mass, a membrane unit and a plurality of transducing components. The base is formed with an aperture. The proof mass is disposed in the aperture and has a surface that is formed with a cavity. The membrane unit includes a supporting part connected to the base, a covering part disposed to cover the surface of the proof mass, and a resilient linking part interconnecting the supporting part and the covering part such that the proof mass is movable relative to the base. The transducing components are disposed at the membrane unit. At least one of the transducing components is disposed at the covering part and is registered with the cavity.

The invention discloses a phase current reconstruction method for a switch reluctance machine based on a bus current sensor. A modular power converter in a switch reluctance machine drive system consists of one three-phase full-bridge switching module and one half-bridge switch module, wherein a motor winding is in star-shaped connection and a central line is led out. The method just needs one buscurrent sensor, and achieves the phase current reconstruction through the injection of a PWM signal into a switching tube and the decoupling of a bus current. The method can obtain a complete phase current waveform, and reduces the number of current sensors and the number of analog-digital converter channels. The employed modular power sensor facilitates the reduction of the cost of the drive system and the improvement of the integration degree and reliability of the system.

An MPEG video decoding system with a PVR (Personal Video Recorder) function is disclosed. By applying the PVR function to an MPEG-2 decoder chip, which is the standard recommendation of the digital video transmission field, diverse high-performance PVR services such as video storage and search using an HDD application in the video decoder chip can be used, and two HD-class displays can simultaneously be supported. Also, the features of the video TS bitstream stored through the video decoding chip having a proposed PVR engine can be extracted in real time, and the playback or trick play of the stored video contents can be diversely and easily performed. According to the PVR-support video decoding system, an improved storage and search function of a video bitstream, and diverse video services can be provided, and the added value of the digital video recorder can be heightened.

The invention provides a microfluidic-circulation analysis-based high-precision in-situ seawater pH analysis system and method. The analysis system comprises a microfluidic chip with a circulation mixing structure, a filter head, a seawater pipeline, an indicator bag, an indicator pipeline, a waste discharging pipeline, a highlight while light LED lamp, an optical fiber and a spectrograph. According to the analysis system, the quantified mixing and detection of samples can be finished on the chip by a microfluidic chip technology, so that the instrument size is decreased, the dosage of reagents is reduced, the system integration level is high and the analysis system is suitable for in-situ measurement; the chip has the circulation mixing structure, after seawater and an indicator are quantified through chip channels, the two quantification channels form a closed loop, a piezoelectric pump is used for driving the seawater and the indicator to flow and mix in the loop and then the perfect mixing of the seawater and the indicator in a constant ratio is realized. According to the analysis system and the analysis method, the precision of the measurement system is improved and an operation step of indicator interference correction in a laboratory is omitted, so that manpower and material resources are saved.

The invention discloses a low-profile wide-angle scanning all-metal multi-beam lens antenna which realizes the 126-degree beam scanning of an azimuth plane and a wide beam of which the pitch plane isgreater than 60 degrees. The basic structure of the antenna comprises a metal parallel plate upper layer, a metal parallel plate lower layer, an arc-shaped array composed of 18 microstrip feed sourceantennas, and metal screws used for fixing the metal parallel plate upper layer and the metal parallel plate lower layer, wherein the metal parallel plate upper layer is slotted, the ridge adding processing is carried out on the corresponding position of the metal parallel plate lower layer, and a metal fixing structure is added to a feed source array, so that the overall strength is improved. According to the lens antenna designed by the scheme, the single-mode transmission of a TEM mode between the parallel plate waveguides is realized, and the profile height can be limited to be less than or equal to half wavelength, so that the antenna has the advantages of low profile, low manufacturing cost, small size, easiness in integration and convenience in engineering realization, and is particularly suitable for the millimeter wave frequency bands and the application scenes needing axial array formation.

The invention provides an image-text superposing method and device which are applied to an image-text superposing terminal. The method comprises the following steps: converting received video stream data into a digital video stream; acquiring image-text data; performing layer superposition on the converted digital video stream and the acquired image-text data, so as to generate an image-text data-containing digital video stream; performing compressed encoding on the image-text data-containing digital video stream, so as to generate image-text data-containing TS stream data. According to the image-text superposing scheme provided by the invention, by layer superposition of the input video stream data and the acquired image-text data, then compressed encoding of the image-text data-containing video stream and final video outputting, the image-text superposing scheme improves the system integration degree, so that the quality of a video signal is guaranteed, the quantity of equipment is reduced, and the production cost is lowered.

A manifold for a fuel cell system comprises a plurality of first ports for connecting to fuel cell peripherals; a plurality of ports for connecting to a fuel cell stack; and a plurality of fluid passages within the manifold in communication with the said plurality of ports connecting to the fuel cell peripherals and with the first and second ports for providing, communication of fluids between the fuel cell stack and fuel cell peripherals. The manifold provides a higher degree of system integration, considerably reduced piping, fittings and associated hardware and hence generally reduces the size and weight of the fuel cell system. Thermal-fluid related system losses are also minimized.

An MPEG video decoding system with a PVR (Personal Video Recorder) function is disclosed. By applying the PVR function to an MPEG-2 decoder chip, which is the standard recommendation of the digital video transmission field, diverse high-performance PVR services such as video storage and search using an HDD application in the video decoder chip can be used, and two HD-class displays can simultaneously be supported. Also, the features of the video TS bitstream stored through the video decoding chip having a proposed PVR engine can be extracted in real time, and the playback or trick play of the stored video contents can be diversely and easily performed. According to the PVR-support video decoding system, an improved storage and search function of a video bitstream, and diverse video services can be provided, and the added value of the digital video recorder can be heightened.

The invention discloses an FPGA chip-based ice-penetrating radar control method. A single FPGA chip is used for completing all functions needed by an ice-penetrating radar control system: downloading / analysis of parameters, output of radar linear frequency modulation signals, generation of pulse repetition frequency signals, acquisition of radar echo data, processing of the echo data, data backhaul and the like. No other processor for collaboration completion is needed, high system integration is realized, hardware use resources of the overall system are reduced, system software and hardware development difficulty are reduced, and the development cycle is shortened.

A method for detecting soft-decisions in a 2×2 MIMO system includes detecting all candidate symbol vector sets S in which there exist all values of a real part and an imaginary part, and calculating a log-likelihood ratio (LLR) with respect to the candidate symbol vector sets S fromLLR(bki)=mins∈S⋂βi,k-ED(s)2σn2-mins∈S⋂βi,k+ED(s)2σn2.

The invention provides an ATCA (Advanced Telecom Computing Architecture) machine frame system, a construction method and a back-insert single plate. The ATCA machine frame system comprises at least one of the following components: a CMM (Capability Maturity Model for Software), a machine frame clock system and an interface extension module of a front-insert server blade, wherein the CMM is integrated on a back-inserted single plate of the ATCA machine frame system in a sub-card or module manner, the machine frame clock system is integrated on the back-inserted single plate of the ATCA machine frame system in a sub-card or module manner, and the interface extension module of a front-insert server blade is integrated on the back-insert single plate of the ATCA machine frame system in a sub-card or module manner. According to the technical scheme of the invention, a problem that the service processing capability of a traditional system is limited is solved, thus the integration level of the system is improved, and the flexibility of the system is increased.

The invention discloses a performance testing system which is used to test the performance of electronic equipment for resisting concussion current, the performance testing system includes: a alternating supplying unit which is electric connected with the input end of the electronic equipment, a direct current loading supplying unit which is electric connected with the output end of the electronic device and a control unit which is separately electric connected with the alternating supplying unit and the direct current loading supplying unit to adjust the alternating power supplied by the alternating supplying unit and the load of the direct current loading supplying unit. The performance testing system in the invention controls and corresponds the test equipment by providing a control unit, the integration degree of the test is increased, operation step is simplified, complexity of test is decreased, time wasted is reduced, efficiency of test is increased; besides, the performance testing system of the invention can realize test synchronization, fulfill the requirement of test.

A system and method for video decoding, including decoding video data from an input Transport Stream (TS) bitstream, variable-length-decoding the decoded video data, and restoring pixel values of an original picture through an Inverse Quantization process, an Inverse Discrete Cosine Transform process, and an Motion Compensation process from the variable-length-decoded video data; analyzing characteristics of video data based on error information, header information, and macroblock information extracted from the decoded video data to generate analysis information and generating thumbnail image; storing the generated thumbnail image; generating meta data information based on the generated analysis information and controlling to store the generated meta data information; controlling to search the stored input TS bitstreams in the storage medium according to the stored meta data information; and controlling to store the generated thumbnail image, read the stored image, and display an Electronic Program Guide with the read thumbnail image.

The invention provides a rapid detection and recognition method for electromagnetic interference in narrow and small spaces. The rapid detection and recognition method includes S1, selecting data collection sensors; S2, arranging the data collection sensors at different positions in a small space to create a rapid electromagnetic interference detection hardware testing system; S3, creating a rapidelectromagnetic interference detection software system; S4, extracting a judgment result n of the number of electromagnetic interference sources under the conditions; S5, increasing the number of thedata collection sensors applied to tests in the small space; S6, judging whether the judgment result n of the number of the electromagnetic interference sources is changed or not, if not, determiningthat the number of the electromagnetic interference sources in an electronics equipment system is n, acquiring electromagnetic interference mixed signals, continuing to execute the step 7, otherwise,updating the judgment result n of the number of the electromagnetic interference sources, and returning to execute the step S5; S7, subjecting the electromagnetic interference mixed signals to separation and extraction according to a kurtosis-based fixed point algorithm to acquire n independent electromagnetic interference signals. The rapid detection and recognition method has the advantage of achieving electromagnetic interference detection in small spaces.

The invention discloses a multi-frequency broadband antenna based on a broadband antenna and trapped wave structure. The antenna consists of a radiator (1), a first U-shaped gap (2), a second U-shaped gap (3), a third U-shaped gap (4), a floor (5), a feeder (6) and a dielectric slab (10), wherein the radiator (1) and the feeder (6) are applied to one surface of the dielectric slab (10) by a copper applying process; the floor (5) is applied to the other surface of the dielectric slab (10) by a copper applying process; the radiator (1) and the feeder (6) are applied together; and the first U-shaped gap (2), the second U-shaped gap (3) and the third U-shaped gap (4) are etched on the radiator (1) by photoetching. By adopting the three U-shaped gaps, multi-frequency resonance of the antenna is realized, and the multi-frequency antenna can operate within the frequency ranges from 2.15GHz to 2.8GHz, from 3.15GHz to 3.85GHz, from 4.65GHz to 6.1GHz and from 6.6GHz to 8.0GHz, the central resonance frequency of the antenna is adjustable, the operating frequency of the multi-frequency antenna can be adjusted conveniently, and the shortages that the structure is complex and the resonance point cannot be easily adjusted in the conventional multi-frequency antenna design are overcome.

The invention provides a satellite-bone low-noise 13-channel V wave band receiver which comprises a polarization selection feed source, a V wave band low-noise amplifier, a mixer, a frequency separator, an intermediate frequency processing unit, a detector circuit and a low frequency processing unit. The polarization selection feed source receives noise signals and separates H polarization components from the noise signals, the V wave band low-noise amplifier and the polarization selection feed source are connected and conduct low-noise amplification on the input H polarization components and then output the H polarization components to the mixer, the mixer conducts down-conversion on the input signals to generate intermediate frequency signals, the frequency separator and the mixer are connected to separate the intermediate frequency signals into 13 kinds of different intermediate frequency signals which are amplified and filtered by the intermediate frequency processing unit and integrated and amplified by the detector circuit and the low frequency processing unit respectively, and specific noise information is acquired. The satellite-bone low-noise 13-channel V wave band receiver is high in integration level, small in size, weight and power consumption, and very suitable for satellite-bone application.

The invention discloses a train power cube for an alternating current drive locomotive, comprising two same train power sub-cubes, wherein the two train power sub-cubes are connected with a microcomputer control system; each train power sub-cube comprises an independent main circuit and a power supply control system; the power supply control system is used for receiving signals of passenger trains, and has a centralized control function of ensuring the locomotive to supply power to the passenger trains safely. The train power cube for the alternating current drive locomotive, disclosed by the invention, overcomes the problems that the whole systematization is worse and the locomotive is inconvenient to back to a garage for overhauling in the prior art.

The embodiment of the invention discloses a communication single board and a communication device, relates to communication technologies and solves the technical problems that the integration level of existing communication single board systems is low, and costs of communication devices are high. The communication single board comprises a printed circuit board, a panel, handle bars and an air duct, the air duct penetrates through the panel, the panel is arranged on the front side of the printed circuit board, the handle bars are mounted on two sides of the printed circuit board along the width direction, the air duct is enclosed space defined by the printed circuit board, the panel and the handle bars, an air duct air inlet is arranged on the front side of the enclosed space, and an air duct air outlet is mounted on the rear side of the enclosed space. The communication device comprises the communication single board, a back plate and a working module, the back plate is connected with the rear portion of the communication single board, the working module is required to dissipate heat, and an air vent connected with the air duct air outlet is mounted on the back plate. According to the communication single board and the communication device, the system integration degree of the communication single board is effectively improved, and the costs of the communication device are lowered.

The invention discloses an OBU production test device including a circuit board. A control unit is welded in the middle of the circuit board. A power supply unit is welded on the upper left part of the circuit board. The lower left part of the control unit is connected to a server through a communication interface. A current detection unit is welded on the upper left side of the circuit board. Thecurrent detection unit comprises an operational amplifier, a resistor 1, a resistor 2, a switch 1 and a switch 2. A USB interface unit is welded to the right side of the circuit board. An acousto-optic detection unit is welded on the right side of the USB interface unit. The right side of the acousto-optic detection unit is provided with a power detection unit. The current detection unit is connected to an OBU power supply in series through a conductive wire. According to the OBU production test device, through integrating overall structures of multiple test methods, the production efficiencyis greatly improved.

The invention discloses a plug-in mounting stand column hydraulic control one-way valve, which comprises a valve body, wherein a connector is arranged at one end of the valve body, and a threaded sleeve is arranged at the other end of the valve body; a threaded plug is arranged outside the threaded sleeve; a plug-in mounting hydraulic valve core component is arranged in the valve body, and comprises a liquid inlet valve sleeve, an ejector rod, a piston and a large spring; a large valve core and a small valve core are formed in the threaded sleeve; and a spring is arranged at the rear end of the small valve core. The hydraulic control one-way valve has a simple structure, high system integrated level and reliability and long service life, is easy to install and maintain, and is repaired directly, simply, conveniently and reliably by replacing plug-in mounting hydraulic valve core component.

The invention discloses a washing machine and a control method thereof. The washing machine comprises an outer cylinder, an inner cylinder, an impeller and a driving device. The driving device comprises an annular reluctance rotor, a permanent magnetic rotor and a stator. The stator, the reluctance rotor and the permanent magnetic rotor are nested in turn from the inside to the outside and rotatable mutually. Among the stator, the reluctance rotor and the permanent magnetic rotor, each two of them which are adjacent are separated by an air gap. The stator comprises a stator core and a first winding and a second winding. The first winding and the second winding are winded around the stator core and mutually exclusive. The first winding and the second winding respectively correspond to the reluctance rotor and the permanent magnetic rotor, so as to respectively and exclusively drive the reluctance rotor and the permanent magnetic rotor to rotate, wherein, the reluctance rotor and the permanent magnetic rotor are respectively and relatively and fixedly connected with the inner cylinder and the impeller to respectively and exclusively drive the inner cylinder and the impeller to rotate. According to the washing machine, a manner of non-mechanical differential rotational speed and non-clutch is adopted so that dual power washing and dehydration are realized, system integration degree is high, energy consumption is low and clean ratio is high.

The invention discloses a liquid physical and chemical parameter measuring device based on fluorescence analysis, and belongs to the technical field of measurement. The measuring device disclosed by the invention mainly comprises the following improvements: (1) integrating a plurality of fluorescent sensitive materials which are sensitive to different liquid physical and chemical parameters onto a fluorescent sensitive element, extracting fluorescence which reflects corresponding physical and chemical parameter information by utilizing different bandpass filters, and then analyzing the intensity of the extracted fluorescence, so as to accurately measure the various physical and chemical parameters; (2) additionally arranging a physical defoaming device based on a capillary structure, and combining with an existing chemical defoaming method, so as to effectively eliminate the influence of bubbles in to-be-measured liquid on the measuring accuracy; and (3) performing light path connection among a fluorescence excitation source, the fluorescent sensitive element and a fluorescence receiving module by utilizing a three-port optical circulator, so as to avoid doping coupling between exciting light and the fluorescence, and processing the exciting light and the fluorescence by utilizing an optical fiber collimator, so as to further improve the measuring accuracy.

Method of manufacturing a three-dimensional object (22) by means of additive manufacturing as well as to a corresponding system for carrying out the method and a dispensing head for use in the method. The three-dimensional object (22) comprises a three-dimensional component (21). The method comprises providing a substrate (20, 20"), and successively forming on the substrate (20, 20") a plurality of layers (23, 23'), wherein each layer is formed in a pattern corresponding to a three-dimensional component (21) being manufactured and wherein each layer (23, 23') is formed by dispensing a curable material from a nozzle (5, 5') of a dispensing head (4, 4', 4") and subsequently curing the curable material (8). The three-dimensional object (22) is constituted by the combination of the substrate (20, 20") and the three-dimensional component (21), wherein the substrate (20, 20") has a non-planar surface portion and the three-dimensional component (21) is formed at least in part on the non-planar surface portion in such a manner that it is fixedly secured to the substrate (20, 20"). During forming of at least one of the layers (23, 23') and / or between forming of at least two adjacent ones of the layers (23, 23') a relative movement between the substrate (20, 20") and the dispensing head (4, 4', 4'') is effected such that in a substrate coordinate system the dispensing head (4, 4', 4") moves along a non-linear path over the non-planar surface portion.

The present invention relates to a method for bonding substrate with buried high-reflectivity Bragg reflector. Said method includes the following steps: a). on first substrate masking and photoetching to obtain etch-out channel; b). in the channel growing high-reflectivity Bragg reflector by carrying photoresist; c). adopting photoresist-carrying stripping method to remove photoresist and reflector outside of channel; and d). cleaning first substrate and second substrate, and bonding them together.