70results about How to "Synchronization" patented technology

A network transport layer accelerator accelerates processing of packets so that packets can be forwarded at wire-speed. To accelerate processing of packets, the accelerator performs pre-processing on a network transport layer header encapsulated in a packet for a connection and performs in-line network transport layer checksum insertion prior to transmitting a packet. A timer unit in the accelerator schedules processing of the received packets. The accelerator also includes a free pool allocator which manages buffers for storing the received packets and a packet order unit which synchronizes processing of received packets for a same connection.

The invention provides a method for treating high-concentration salty waste water and waste residue at low cost. The method is characterized by comprising a step 1 of mixing high-temperature smoke generated by burning of the waste residue with atomized waste water, and separating out water vapor smoke; a step 2 of separating out smoke through condensing of the water vapor smoke; a step 3 of subjecting the smoke to secondary burning, waste heat recovery, rapidly quenching treatment and purification treatment, and discharging the treated smoke. The method and the device thereof can simultaneously treat the waste residue and the waste water, and the treatment cost is low.

The present invention relates to a 3D picture processing device comprising an input unit for receiving a video signal, an output unit for providing a video signal for a 2D display device, preferably a TV set, and a 3D shutter glasses driver unit for generating a driving signal to control 3D shutter glasses. A delay compensation unit is coupled to the driver unit and adapted to compensate for the processing delay present in the display device, preferably the TV set.

A method for realizing synchronization between base stations in mobile communication system includes: determining a base station with clock reference source and its related base station group, a stable interface transmission resource exists between each base station and that with clock reference source, thus, each base station can get its own synchronous information from that with clock reference source via related interface transmission resources and base stations not in the group can be synchronized with the base station existing information transmission resources via synchronized stations, simplifying process of synchronization.

The invention discloses a centring clamping device which comprises a base, a clamping module and a driving module, wherein the base comprises a base body; the base body is provided with a central shaft; the clamping module comprises two first clamping jaw units arranged oppositely and two second clamping jaw units arranged oppositely; each of the first clamping jaw units is provided with a first clamping jaw; each of the second clamping jaw units is provided with a second clamping jaw; the driving unit comprises a first rotary disc, a second rotary disc, two first driving units and two second driving units; the first driving units drive the first rotary disc to drive the first clamping jaws of the first clamping jaw units to move in the direction of the central shaft; and the second driving units drive the second rotary disc to drive the second clamping jaws of the second clamping jaw units to move in the direction of the central shaft, so that a workpiece is clamped and fixed on the central shaft by means of the first clamping jaws and the second clamping jaws.

Each of processors has a barrier write register and a barrier read register. Each barrier write register is wired to each barrier read register by a dedicated wiring block. For example, a 1-bit barrier write register of a processor is connected, via the wiring block, to a first bit of each 8-bit barrier read register contained in the processors, and a 1-bit barrier write register of another processor is connected, via a wiring block, to a second bit of each 8-bit barrier read register contained in the processors. For example, a processor writes information to its own barrier write register, thereby notifying synchronization stand-by to the other processors and reads its own barrier read register, thereby recognizing whether the other processors are in synchronization stand-by or not. Therefore, a special dedicated instruction is not required along barrier synchronization processing, and the processing can be made at a high speed.

The invention relates to a low voltage grid-connected detection device and method of a distributed new energy power generation system. The low voltage grid-connected detection device comprises a signal gathering module, a signal modulation module, a master control module, a wireless communication module and a grid-connected control module. The signal gathering module comprises six alternating voltage transformers, three alternating current transformers and a direct voltage transformer. The signal modulation module comprises a three-phase filter circuit, a three-phase voltage modulation circuit, a three-phase current modulation circuit and a zero cross detection circuit. The master control module comprises a comparator and a DSP processor, wherein the comparator comprises a voltage comparator, a phase angle comparator and a frequency comparator. A new energy power generation system grid-connected rank function is built by a multiple linear regression model, the new energy power generation system grid-connected rank function synthesizes eight parameters relative to the quality of electric energy, and therefore obtained rating results are more accurate and comprehensive. According to the low voltage grid-connected detection device and method, detection results are uploaded to a power grid dispatching center by the wireless communication module in time, the plug-and-play characteristic is achieved, and the grid-connected rate of the distributed new energy power generation system is improved.

The invention discloses a high-speed data acquiring and digital signal processing board based on an FPGA (Field Programmable Gate Array), which is characterized by being integrally provided with an analog signal input and A / D (Analog-to-Digital) conversion module, a digital signal processing module and a communication module, wherein the analog signal input and A / D conversion module comprises a signal conditioning circuit and an A / D conversion module; the digital signal processing module comprises an FPGA module, a storage DDR2 and a data storage FLASH; the digital signal processing module is used for processing original sampling data through the steps of fault starting judgment, fault data shift out and wavelet transform processing; an embedded network is realized by the FPGA module; the communication module is connected with the FPGA module; and a networked physics layer chip is cooperated with an FPGA embedded network to realize the purposes of exchanging, collecting and calculating results with other plates or a background computer. According to the high-speed data acquiring and digital signal processing board, high-frequency transient state traveling wave can be synchronously collected and quickly processed.

The invention discloses a structure and a construction method of a muddy coast sheet pile wharf. The wharf is formed by combining a temporary causeway, a front sheet pile wall, a rear anchoring wall, an anchoring pull rod and a reinforcing soil body between the front sheet pile wall and the rear anchoring wall, wherein the temporary causeway is arranged on a muddy foundation, the front sheet pile wall and the rear anchoring wall penetrate through a dike body and a sludge layer to enter into a soil layer with high bearing capacity; a track pile foundation is piled; reinforcing the sludge between the front sheet pile wall and the rear anchoring wall by virtue of a cement mixing pile; throwing and filling rock mound behind the front sheet pile wall and the rock mound in front of the rear achoring wall; and connecting the front sheet pile wall with the rear anchoring wall by virtue of the anchoring pull rod, and finally combining the integral sheet pile structure. The sheet pile wharf constructed by the invention can be directly applied to the muddy foundation.

In some aspects, the disclosure is directed methods and systems for establishing a wideband radar system for imaging. A receiver of a radar imaging system may receive a set of phase measurements for each of a plurality of frequency bands, each of the plurality of frequency bands established by up-converting or down-converting a base frequency band. A phase adjuster of the radar imaging system may identify, from each region of overlap between consecutive frequency bands of the plurality of frequency bands, a phase difference between corresponding sets of the phase measurements. The phase adjuster may adjust one or more sets of the phase measurements based on the identified phase differences to generate an image across the plurality of frequency bands.

Apparatus, and an associated method, for facilitating synchronization of a mobile station with a radio network in a GSM / EDGE-compatible, cellular communication system. The FCCH is monitored to obtain positional and frequency offset information. Once obtained, the information is used to obtain SCH burst information broadcast upon an SCH. Monitoring of the FCCH continues while the SCH burst information is detected and decoded. If additional FCCH control information is detected that has an associated quality metric value that is better than the quality metric value associated with earlier FCCH, control information, the newly-received information is used to detect the SCH burst information, absent successful decoding of the SCH burst information.

The invention discloses a superharmonic synchronous resonant accelerometer based on unidirectional electric synchronization. Two resonance sensing modules of a MEMS resonant accelerometer are symmetrically arranged on two sides of a mass block module and are respectively connected with the mass block module through a lever mechanism module, and the MEMS resonant accelerometer introduces a vibration signal into an external high-frequency oscillator in the form of an electric signal to form super-harmonic synchronization. Within the synchronization bandwidth, the high-frequency resonator multiply amplifies the frequency offset of the MEMS resonant accelerometer. According to the invention, the problem of scale factor reduction caused by the interaction between coupled oscillators is solved,and the advantage of the super-harmonic synchronization effect on the performance improvement of the whole machine is brought into full play. Meanwhile, when the two oscillators are synchronous, the noise of the sensitive beam oscillation circuit is greatly suppressed, and the frequency stability is greatly improved. The performance indexes of the resonant accelerometer are optimized from the aspects of improving sensitivity, improving resolution, reducing noise and the like.

The invention discloses a broadcast quality monitor comprising a display screen. The broadcast quality monitor is characterized by comprising an equalizer, a demultiplexing module, an AES 3-to-I S module, a D / A converter module, a data sampling module, a data processing module, a dynamic audio frequency sliding column module and a display driver module, wherein the equalizer is used for equalizing and compensating the line loss of the SDI signals embedded in the digital audio signals; the demultiplexing module is used for demultiplexing and separating out a video signal and a first audio signal; the AES 3-to-I S module is used for converting the first audio signal into an I S audio signal; the D / A converter module is used for converting the I S audio signal into a simulated audio signal; the data sampling module is used for sampling the voltage of the simulated audio signal; the data processing module is used for converting a voltage value obtained by sampling into a dB value; according to the dB value, the dynamic audio frequency sliding column module is used for generating and transferring a dynamic audio frequency sliding column with corresponding length to the display driver module according to the dB value; the display driver module is used for overlapping the dynamic audio frequency sliding column on the video signal; therefore the dynamic audio frequency sliding column can be displayed on the display screen in real-time. The invention completely solves the problem of audio monitoring of SDI interfaces by one step.

The invention relates to the technical field of machinery and network communication, in particular to a firefighting robot capable of supporting multiple kinds of network communication. The firefighting robot capable of supporting multiple kinds of network communication comprises a chassis, a firefighting gun, an installing bracket, an MCU (Micro Controller Unit) embedded with software, a second MCU embedded with software, an RF (radio frequency) data communication module embedded with software and another RF data communication module embedded with software. The second MCU is provided with an USART0 (Universal Synchronous Asynchronous Receiver Transmitter) port and an USART1 port. Compared with the prior art, a 3G (3rd Generation) network communication module and a WIFI (Wireless Fidelity) network communication module are additionally arranged so that site firefighting working conditions can be directly understood by leaders in a remote command center; fire conditions can be monitored in real time; correct judgments can be made in time; and the efficiency of firefighting work is improved.

The invention discloses a viewpoint switching method of a multi-viewpoint video, which comprises the following steps: after a terminal receives a viewpoint switching request, checking whether an IDR frame exists in the local cache content of the terminal of the current viewpoint within a preset duration; if the IDR frame exists in the preset duration, adding the time point of the IDR frame into the viewpoint switching request, and reporting the viewpoint switching request to a server; if the IDR frame does not exist in the preset duration and the cache content is greater than the preset duration, adding a time point after the preset duration into the viewpoint switching request, and reporting the viewpoint switching request to a server; if the IDR frame does not exist in the preset duration and the cache content is less than the preset duration, adding the time point of the cache tail end into the viewpoint switching request, and reporting the viewpoint switching request to a server; and emptying the terminal local cache after the time point in the viewpoint switching request of the reporting server. According to the invention, alignment of timestamps of different viewpoints in multi-viewpoint video switching is realized, so that connection of front and rear viewpoints is synchronized in time. The invention further discloses a corresponding viewpoint switching system for the multi-viewpoint video.

The invention discloses a multi-camera array-based large-size industrial plate online measurement method. The method comprises the following steps: S1, constructing an embedded camera array accordingto the shape of an industrial plate and a target size; S2, an ARM is adopted to control a common monocular camera to collect a local high-resolution image of the plate; S3, realizing feature extraction and local measurement of the local high-resolution image target by utilizing an embedded technology; And S4, image splicing is carried out according to the target edge features of the local images,a global image is reconstructed, and the geometric dimension of the industrial plate and accurate segmentation of multiple targets are calculated. According to the invention, a distributed processingarchitecture is adopted, the subsystems synchronously process, the scale of the system has expandability and is not limited by the shape and the target size of an industrial plate, and the measurementprecision and the operation efficiency are high.

The invention discloses a method and a system for rapidly and remotely monitoring vibration parameters of a steam turbine generator unit in an online manner. The system mainly consists of a data acquisition unit, an internal communication system, a database server, an external network and a client. The characteristic data acquired by processing the field vibration data through the acquisition unit and an original waveform are directly written into the server database through SQL (structured query language) in an optical fiber transmission mode, the data storage mode, DMA (direct memory access) data acquisition, multi-register data processing and other data processing methods are optimized, and the vibration parameters of the steam turbine generator unit are rapidly and remotely monitored in an online manner.

Each of processors has a barrier write register and a barrier read register. Each barrier write register is wired to each barrier read register by a dedicated wiring block. For example, a 1-bit barrier write register of a processor is connected, via the wiring block, to a first bit of each 8-bit barrier read register contained in the processors, and a 1-bit barrier write register of another processor is connected, via a wiring block, to a second bit of each 8-bit barrier read register contained in the processors. For example, a processor writes information to its own barrier write register, thereby notifying synchronization stand-by to the other processors and reads its own barrier read register, thereby recognizing whether the other processors are in synchronization stand-by or not. Therefore, a special dedicated instruction is not required along barrier synchronization processing, and the processing can be made at a high speed.

The invention relates to a comprehensive processing and utilization method of candied date processing wastewater. According to the invention, candied date processing wastewater is subjected to a quality-differentiated processing method. High-sugar-content wastewater is subjected to multi-effect evaporation, such that sugar is recovered. Therefore, sewage processing load is greatly reduced, and considerable economic benefit can be produced with the recovered sugar. Date washing water, ground cleaning sewage, and other domestic sewage are gathered and processed, at the same time, coal-fired boiler flue gas desulfurization is performed. Bio-desulfurization is carried out with organic pollutants in the sewage as a nutrient source, sewage is also processed to a certain extent, and water temperature is increased, such that subsequent biochemical treatments are facilitated. Biochemical treatment outlet water is subjected to biochar deep processing, and is subjected to microfiltration and RO (reverse osmosis) double-membrane processing, such that outlet water salinity is reduced, and boiler softened water requirement is reached. Therefore, date processing wastewater discharge amount can be further reduced, and consumption and discharge of softening acid and alkali for traditional boiler water can be further reduced.

The invention provides a rapid gate image processing system of a star sensor. The rapid gate image processing system comprises a CPU and an FPGA. The FPGA includes a gate control memory, a gate collection module, a gate data memory, a pixel cluster head pixel address memory, and a pixel cluster processing module. According to the invention, a gate image processing method using a navigation star as a mass center to extract a pixel cluster center is put forward for the first time in the domestic star sensor field; and thus with the assistance of the CPU, only the FPGA completes gate data acquisition, pixel cluster background estimation, and start point feature amount calculation. The background in a pixel cluster is evaluated by using grayscale values of all pixels in the pixel cluster and thus a grayscale mean value of all pixels in the pixel cluster is calculated, so that the measurement precision of the star sensor is improved. On the basis of the parallel processing advantages of the FPGA, a plurality of pixel clusters are processed synchronously and the mass centers of star points of all pixel clusters are extracted simultaneously.

This invention discloses a method for designing a reference frequency source beside a base station in time dividing system chacterizing that a base band at the side of the base station applies a local reference source strictly synchronous to the system clock, the RF part applies an independent high precision reference frequency source and designing method in this invention either ensures synchronous data treatment of the time dividing system or satisfies the needs of RF part to send / receive signal frequency stability. The added frequency source generator and its additive circuit are greatly lower than clock stability circuits added in conventional methods in complexity and cost.

The invention relates to a zero-tension cloth loosening machine. The zero-tension cloth loosening machine comprises a cloth loosening bracket, a cloth placing unit, a swinging unit and a cloth storing unit, wherein the cloth placing unit comprises a pair of horizontally and parallelly distributed cloth placing rollers, and cloth rolls are placed above the two cloth placing rollers; the swinging unit comprises a cloth discharging hopper, a cloth guiding roller is further arranged above the cloth discharging hopper, and the swinging unit further comprises an eccentric disc which drives the cloth discharging hopper to swing left and right in the horizontal direction, and the eccentric disc is connected with the cloth discharging hopper through a connecting rod and rotates synchronously with the cloth placing rollers through a linkage mechanism; and the cloth storing unit is mounted in the cloth loosening bracket and is located below the cloth discharging hopper, and the cloth storing unit comprises a cloth collecting tray. The zero-tension cloth loosening machine has the advantages that the swinging unit is additionally arranged on the cloth discharging sides of the cloth placing rollers, the cloth sent by the cloth discharging hopper can be automatically tidied and folded by utilizing left-right swinging of the cloth discharging hopper, secondary tidying and folding by manpower are not required, the manual labor is reduced, and the work efficiency is improved accordingly.

The invention discloses a miniature tubular total station which is convenient to carry, simple in structure and can improve measurement accuracy and work efficiency. The total station is characterized in that the total station is provided with a tubular cylinder; a control module and a wireless network communication module connected with the control module are arranged in the tubular cylinder; a wireless display and control terminal is arranged correspondingly to the wireless network communication module; a sleeved which is coaxial with the tubular cylinder is in slide connection with the upper end of the tubular cylinder; the lower end of the sleeve is connected with a first shaft angle encoder; an output of the first shaft angle encoder is connected with the control module; the top end of the sleeve is provided with a pair of shaft brackets in opposite arrangement; a rotating shaft perpendicular to the tubular cylinder is arranged between the pair of shaft brackets; a distance measurement module and a second shaft angle encoder are fixedly connected with the rotating shaft; an aiming device the collimation axis of which is parallel to a distance measurement reference axis is fixed to the distance measurement module; and a level gage is fixed on the tubular cylinder or the sleeve.

The invention relates to a composite preparation for synchronously restoring PAH (polycyclic aromatic hydrocarbon) and heavy metal contaminated soil. The composite preparation is prepared through steps as follows: a modified zinc oxide catalyst, activated carbon, polyacrylamide, quick lime and sulfide in a certain proportion are placed in a reaction kettle and fully stirred, and the composite preparation is obtained. The composite preparation can be widely applied to restoration of PAH and heavy metal contaminated soil, underground water remediation, relevantly polluted non-water treatment and other fields.

The invention discloses a special complex probiotics fermented Chinese herbal medicine health-care oral solution for minks and a preparation method. The special complex probiotics fermented Chinese herbal medicine health-care oral solution for the minks is prepared from a Chinese herbal medicine extracting solution and a complex probiotics fermented solution at a volume ratio of 1 to (1 to 2); the invention also provides the preparation method of the special complex probiotics fermented Chinese herbal medicine health-care oral solution for the minks. Chinese herbal medicines and complex probiotics are matched so that the aim of synchronously treating and nourishing can be realized; the organism immunity of the animal minks is improved while virus diseases are treated; the special complex probiotics fermented Chinese herbal medicine health-care oral solution not only can have disease treatment and prevention effects, but can also promote a symbiotic fermentation effect of lactic acid bacteria and bacillus in the health-care solution; a lot of intermediate products, such as glucuronic acid, gluconic acid, acetic acid, lactic acid and amino acids, are generated; the oral solution can replace antibiotics and chemical disease-resisting medicines in a certain range, so that real green ecological breeding is realized.

The invention provides a remote ammeter system. The remote ammeter system comprises a monitoring center, a concentrator, a collector and a user ammeter. According to the invention, communication is divided into a two-layer structure, the concentrator is communicated to a bottom layer of the collector, and the monitoring center is communicated to an upper layer of the concentrator. The system has the advantages that because a GPRS wireless public network platform is employed, the system can be used when the system is arranged, special wiring is not required for remote meter reading, and the remote ammeter system has the advantages of less investment at an early stage, fast effectiveness, and low upgrading and maintenance cost at anaphase.

Apparatus, and an associated method, for facilitating synchronization of a mobile station with a radio network in a GSM / EDGE-compatible, cellular communication system. The FCCH is monitored to obtain positional and frequency offset information. Once obtained, the information is used to obtain SCH burst information broadcast upon an SCH. Monitoring of the FCCH continues while the SCH burst information is detected and decoded. If additional FCCH control information is detected that has an associated quality metric value that is better than the quality metric value associated with earlier FCCH, control information, the newly-received information is used to detect the SCH burst information, absent successful decoding of the SCH burst information.

The embodiment of the invention discloses a winding machine, and relates to the technical field of product manufacturing. The winding machine comprises a base table and a winding system arranged on the base table. The winding system comprises a driving device, wherein a first gear is arranged at the output end of the driving device; a winding device which is used for winding the material into a winding piece, and comprises a second gear; and a material taking device which comprises a third gear. According to the winding device, the first gear is engaged with the second gear and the third gear,so that the driving device can drive the second gear and the third gear to rotate through the first gear, the winding device and the material taking device can rotate synchronously, and kinetic energy is directly transmitted to the second gear and the third gear through the first gear; an intermediate transmission structure is omitted, and energy loss and the total cost of the winding device arereduced.

The invention relates to the technical field of wireless sensing, in particular to a non-contact breath or heartbeat detection method, which comprises the following steps: S1, acquiring channel stateinformation of a wireless signal according to the output wireless signal and the wireless signal reflected by a detected target; S2, extracting a vital sign waveform signal from the channel state information of the wireless signal; S3, filtering the vital sign waveform signal based on a Huber-Kalman filtering algorithm to obtain a filtered vital sign waveform signal; and S4, extracting vital signparameters from the filtered vital sign waveform signals. According to the method, the classic Kalman filtering algorithm is improved by using the Huber objective function, and filtering processing isperformed by using the Huber-Kalman filtering algorithm so that the human body vital sign detection method is enabled to be more robust, and the extracted vital sign parameters can more accurately reflect the vital signs of the human body.

The embodiment of the invention provides a satellite signal receiving and processing system and a satellite signal receiving and processing method. The system comprises a filter, a first low noise amplifier, a mixer, a second low noise amplifier, a digital-to-analog converter and a visual signal processing module, wherein the visual signal processing module comprises a filtering sub-module, a signal synchronization sub-module, a baseband processing sub-module, a data analysis sub-module and a display sub-module. According to the satellite signal receiving and processing system and method provided by the embodiment of the invention, it is possible to synchronize the reception and processing of a satellite signal, thereby satisfying the real-time analysis requirement of a tester for the satellite signal, and since the processing result can be displayed directly in a visual manner, the tester can view the satellite signal processing result intuitively at the first time, thereby improvingthe user experience.