30results about How to "Solve the transmission bottleneck" patented technology

The invention relates to the technical field of digital earth, in particular to a digital earth prototype system comprising a data receiving and fast processing sub-system, a metadata service sub-system, a model base sub-system, a space information database sub-system, a mesh calculation sub-system, a map application service sub-system and a virtual reality sub-system. With the adoption of the invention, it is able to construct a data resource sharing platform, a knowledge sharing platform, a computation resource sharing platform and a coordinated operation platform of the digital earth prototype system. Besides, with the establishment of the prototype system, the invention resolves relevant key technologies for the construction of a technology service platform for the application of space data and forms a service system for the application of space information in earth technology.

The present invention discloses a grading control computer system based on the optical packet switch and optical multicast, including at least two groups of CPUs (A), and optical interconnection switching devices linked between the CPUs (A). The optical interconnection switching devices include at least a first level node (1) and a second level node (2). The current HPCS usaully takes use of the centralized control mode: each port has to send the request signals to a central dispatcher after it generates a business, and if the distance is longer, it may introduce a trip delay having a larger request and answer signal. The present invention adopts a grading controlled management style, in which the node is only needed sent requests to the local control unit, thus it can greatly reduce such delay, and at the same time, can reduce the storage and computing pressure of each level control unit.

The invention discloses a gene sequencing data compression and transmission method. The method comprises the following steps of A, establishing a standard DNA sequence database; B, deploying the standard DNA sequence database to a data processing device; C, preprocessing DNA sequencing data: comparing the DNA sequencing data with the standard DNA database one by one, generating a corresponding relationship, replacing an original text of the DNA sequencing data with numbers of the standard DNA database, and separately storing a part, different from the standard DNA database, of the DNA sequencing data; D, performing compression; and E, performing storage or transmission. The standard DNA sequence database is stored in the data processing device, so that a large amount of information contained in the DNA sequencing data can be represented by the numbers of the standard DNA database, and the data capacity after the step of preprocessing the DNA sequencing data is greatly reduced; through further compression, the capacity is smaller, so that the storage space of the DNA sequencing data is smaller, and the data transmission efficiency is higher; and the data in the method is matched with output data of a second-generation sequencing technology and even a third-generation sequencing technology.

The invention belongs to the technical field of computer graphics, and discloses a GPU-based large-scale terrain real-time drawing method, which comprises the following steps: selecting a Geometric Clipmap algorithm in an LOD technology as a terrain drawing basis, and processing the texture of an earth image: obtaining texture images with different resolutions on an earth region; capturing and reserving screenshots of the texture images one by one according to the texture information of the small areas; splicing the texture information of the small areas into a texture map; dividing the texture map into different levels of small images which are consistent in size, wherein the small images comprise a high-precision image and a low-precision image corresponding to the high-precision image;resetting the precision to obtain a low-precision image, and correspondingly processing the high-precision image and the low-precision image to obtain all required terrain texture data; and loading the terrain texture data to a GPU. According to the scheme, a whole set of terrain texture obtaining and processing flow is provided, finally generated texture images are uniform in size and format, andprogram management, loading and use are facilitated.

The invention discloses a Zynq-based high-definition high-frame image acquisition and processing system. The system comprises a CMOS image acquisition module, an FPGA module, an ARM processor module and a computer display terminal. The CMOS image acquisition module serves as an image acquisition front end of the whole system, adopts a CMV2000 image sensor and is responsible for converting image information into digital signals and transmitting the digital signals into an FPGA for further processing, and the core essence of Zynq processing platform chip hardware is that dual-core ARM Cortex-A9processor system is used as a main system, a 28nm integrated circuit process is tightly combined; the Zynq processing platform chip hardware has a powerful configuration function and expandability, not only can start an operating system independent of programmable logic when the dual-core ARM processor is started, but also can configure the programmable logic according to needs, and an AXI high-speed interconnection channel based on an AMBA protocol inside solves the transmission bottleneck problem between data and storage; and a mature gigabit Ethernet solution can be applied by using the Zynq platform, and the programmable logic also provides enough flexibility for developers.

The invention discloses a butterfly network coding method based on bidirectional mixed quantum information exchange, and the method comprises the following steps: constructing a butterfly network model, crossing and sharing a five-bit Brown channel by a source node, a destination node and a control party, and carrying out particle distribution; enabling a target node to introduce auxiliary particles, executing CNOT operation, enabling two pairs of dialogue parties to select proper measurement bases to measure the particles, enabling the dialogue parties to send measurement results to the other party, and if a control party agrees with information exchange between the dialogue parties, enabling the control party to execute single particle measurement and send the measurement results to the dialogue parties; enabling the dialogue party to send a measurement result to a corresponding intermediate node; enabling the intermediate node to send the information codes to the four dialogue parties; decoding by each dialogue party, and recovering a target state by executing proper unitary operation. The information transmission rate is greatly improved by adopting the butterfly network, the source node and the destination node have the same status, the application range of the quantum channel is expanded, and the operation difficulty coefficient is reduced.

The invention discloses an FPGA-based high-speed demodulation apparatus and method of a weak fiber grating. An FPGA is used for carrying out parallel processing on multi-channel data and carrying outparallel pipeline processing on each channel. The demodulation apparatus is composed of an ADC device and an FPGA device. Each channel of the FPGA device consists of an ADC sampling module, a data accumulation module, a grating positioning module, a spectrum splicing module, and a wavelength demodulation and sending module. The ADC sampling module is used for receiving data of the ADC device, carrying out triggering and collection of n data along a rising edge of a pulse, wherein each cycle has m pulses and each channel collects m*n data within one cycle. The data accumulation module is used for accumulating the collected data according to columns. The grating positioning module is used for carrying out peak searching on the accumulation and sequence. The spectrum splicing module is used for extracting respective spectrums from each grating space position based on grating spatial position information. The wavelength demodulation and sending module is used for carrying out peak searching on grating spectrums to obtain wavelengths of all gratings and sending out demodulation results.

The invention relates to a flexible rocket projectile guidance cabin physical quantity testing system, and belongs to the field of automatic testing. Through cooperative control of software and a mechanical structure, a front supporting mechanism can be automatically replaced according to the model of a tested product. Through cooperation of the mechanical structure and software control, the system can realize automatic selection of the front supporting mechanism according to the model of a tested product. A rotation alignment mechanism is controlled by a limiting sensor, and the mechanical structure design of the front supporting mechanism, a rear supporting mechanism and a limiting mechanism is combined, so that the product axis and a supporting table top are always kept horizontal in the testing process, and the testing precision is ensured. The system can realize simultaneous automatic testing of three physical quantities of mass center, weight and height of a plurality of rocket projectile guidance cabin products. According to the invention, the product carrying is reduced, the test time is shortened, and higher economic benefits are generated.

The invention relates to a video monitoring image processing unit in the field of security monitoring. The video monitoring image processing unit is characterized by being formed through connection of an image preprocessing module and an FIFO buffer module; the input end of the image preprocessing module is communicated with video image data and synchronizing signals; and the output end of the FIFO buffer module outputs the processed video image data and DSP data reading request signals. The video monitoring image processing unit provided by the invention achieves a function of real-time preprocessing of video image data from a high-resolution image sensor, solves the video acquisition port transmission bottleneck problem existing in video image data processing by a DSP, has the characteristics of being simple and convenient to achieve, strong in compatibility, high in stability, and convenient to modify and upgrade, and can be widely applied to video monitoring systems adopting large-pixel image sensors.

The invention belongs to the field of computer technology, and discloses a high-efficiency data center networking method and system in transmission demands. The method comprises the following steps: collecting the transmission demands of computer nodes in a data center, and organizing into a two-dimensional table; networking all computers; networking all switches S; and when a plurality of switches T are adopted, needing to repeat all the switches T for networking until networking of all switches is finished. Through adoption of the method disclosed by the invention, the network structure canbe optimized better according to the data transmission demand, and data transmission is allocated evenly throughout the network, thus preventing an individual switch from becoming the bottleneck of transmission.

Embodiments of the present invention provide an information transmission method and system for a backhaul link, a proxy device, and an access device, including: the proxy device determines that information to be transmitted needs to be transmitted through a backhaul link, and the backhaul link is between the proxy device and Access devices transmit through the air interface, and the backhaul link is in a deactivated state; activate the backhaul link, and transmit the information to be transmitted through the activated backhaul link; to solve the problem based on a large number of S1 or The backhaul link of the X2 interface consumes a large amount of memory resources, resulting in the transmission bottleneck problem of the backhaul link.

The invention provides a quantitative model deployment method and system, a storage medium, and equipment. The method comprises the following steps: carrying out classification neural network retraining on a model through a quantitative perception training module, and obtaining a pseudo-quantitative model; reading the pseudo-quantization model into a deep learning compiling framework, wherein the deep learning compiling framework analyzes the pseudo-quantization model, identifies each node of the pseudo-quantization model, and performs convolution calculation to obtain a quantized four-bit model; compiling a rear end of the deep learning compiling framework, so as to enable the rear end to support the reasoning of the quantized four-bit model generated by the deep learning compiling framework; putting the quantized four-bit model into a model warehouse of a server, and creating a configuration file for calling the quantized four-bit model. According to the embodiment of the invention, the problem that model deployment is incompatible is solved; meanwhile, data transmission is reduced, and the data transmission bottleneck is avoided. In addition, the invention also relates to a method for executing reasoning on the basis of a quantitative model.

The invention discloses a transformer substation on-line monitoring Internet-of-things system with wireless-wired dual backup. The transformer substation on-line monitoring Internet-of-things system is formed by sequentially connecting a working station (10), a substation server (9), a switch (6) and a field intelligent cabinet (11), wherein the field intelligent cabinet (11) comprises capacitive equipment, a metal zinc oxide lightning arrester monitoring device (1), a circuit breaker mechanical characteristic monitoring device (2), a partial discharge monitoring device (3), an intelligent monitoring integrated device (4), wireless data communication equipment (7), and the like. Data sharing is carried out between the field intelligent cabinets of the transformer substation on-line monitoring Internet-of-things system disclosed by the invention, thus solving transmission bottleneck and station level processing efficiency waste due to excessive concentration of data for a station level; the reliability of data transmission is ensured through a method of combining a wired transmission technology with a wireless transmission technology; a monitoring data analysis function can be realized on site on the basis of the wireless transmission technology and by virtue of a portable notebook computer and Ipad.