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60results about How to "Avoid initialization" patented technology

Scalable high-speed precision frequency and phase synthesis

A clock synthesis circuit (22) including a phase-locked loop (25) and one or more frequency synthesis circuits (27; 77; 227; 237) is disclosed. A disclosed implementation of the phase-locked loop (25) includes a voltage-controlled oscillator (30) having an even number of differential stages (31) to produce an even number of equally spaced clock phases. In one arrangement, the frequency synthesis circuit (27) includes two adder legs that generate select signals applied to first and second multiplexers (40a, 40b), for selecting among the clock phases from the voltage-controlled oscillator (30). The outputs of the first and second multiplexers (40a, 40b) are applied to a two-to-one multiplexer (46) which is controlled by the output clock signal (CLK1), to drive clock edges to a T flip-flop (48) to produce the output clock signals (CLK1, CLK2). In another embodiment, more than two adder and register units (55) control corresponding multiplexers (56) for selecting clock phases from the voltage-controlled oscillator (30) for application to an output multiplexer (58), which is controlled by a clock control circuit (60) to apply the selected clock phases to the T flip-flop (62). In another embodiment, primary and phase-shifted frequency synthesis circuits (227, 327) receive initialization values (INIT1, INIT2) that establish the phase differential and ensure proper initialization.
Owner:TEXAS INSTR INC

Attention mechanism-based natural language generating method for remote sensing images

The invention discloses an attention mechanism-based natural language generating method for remote sensing images, and belongs to the technical field of computer vision. A CNN part comprises a commonconvolutional pooling layer, a C-S layer and a full connection layer; an RNN part structurally comprises a multi-layer model unit, a GRU unit and an attention unit; the remote sensing images at different moments in the same area are input into the initialized CNN part to obtain eigenvectors; the eigenvectors are input into the GRU unit and the attention unit, the attention unit also receives hidden layer states from the GRU unit, and the attention unit maps the eigenvectors and the hidden layer states to low dimension for further compression and normalization to obtain eigenvectors subjected to weighted average; and the eigenvectors subjected to the weighted average and the hidden layer states of the GRU unit are integrated through the multi-layer model unit, and then maximum likelihood isperformed through a hidden layer and a normalization layer to obtain an integer sequence. The problem that a result of generating a natural language by the remote sensing images at present is not ideal is solved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Determination of a relative position of a satellite signal receiver

For enhancing the quality of a relative positioning, a filter is adjusted depending on information on a movement of a satellite signal receiver. A position of the satellite signal receiver is determined relative to a reference station using the filter, wherein measurements on satellite signals received by the satellite signal receiver and measurements on satellite signals provided for the reference station are used as input to the filter. The measurements for the reference station may be received in messages which are assembled and provided for transmission and which may include in addition an indication of a current movement of the reference station.
Owner:NOKIA TECHNOLOGLES OY

Recovery method of running data, and electronic device

The invention discloses a recovery method of running data, and an electronic device, wherein the recovery method of the running data comprises the following steps: a backend server receives the running data sent from a foreground running end; the backend server receives a running data acquisition request sent from the foreground running end when the foreground running end collapses the running and accesses to the running again; and the backend server sends the running data requested by the foreground running end to the foreground running end, so that the foreground running end recovers the running data, wherein the backend server is interacts with the foreground running end through inter-process communication. The method disclosed by the invention realizes quick recovery of the running data on the foreground running end and overleaps an initialization process. The inter-process communication is an internal storage operation, compared with file and network input / output in the initialization process, the inter-process communication has a qualitative leap, therefore, procedures of the foreground running end can be restarted very quickly, and the user experience is greatly improved.
Owner:ALIBABA (CHINA) CO LTD

Method for acquiring retina structure from optical coherence tomographic image and system thereof

The present disclosure provides a method for acquiring a retina structure from an optical coherence tomographic image and a system thereof. The method comprises: calculating a region of interest (ROI) image of a source image; performing a Gaussian filtering of the ROI image; calculating a first estimated boundary position of a first layer boundary and a second estimated boundary position of a second layer boundary using a multi-resolution method; refining the first layer boundary and the second layer boundary respectively using a simplified active contour model according to the first estimated boundary position and the second estimated boundary position, to obtain a first initial boundary position of the first layer boundary and a second initial boundary position of the second layer boundary; smoothing the first initial boundary position and the second initial boundary position using a filtering method; acquiring segmentation positions of rest layer boundaries in the ROI image according to a segmented position of the first layer boundary and a segmented position of the second layer boundary. The present disclosure can improve the calculation speed and reduce the calculation complexity while maintaining high location accuracy.
Owner:SHENZHEN INST OF ADVANCED TECH

Station-yard switching method of shunting train protection (STP) system

The invention discloses a station-yard switching method of a shunting train protection (STP) system. The method comprises: establishing a communication channel between ground equipment of every two adjacent control zones, exchanging the adjoined part signal condition and the approach road condition of the two control zones, the ground cabinet of the control zone where a registered locomotive is located transmitting the signal condition of the adjoined areas of the two control zones to the locomotive when a transfer approach road is opened in front of the registered locomotive and informing the locomotive of performing station-yard switching in real time, switching to the control zone which the locomotive is about to enter, meanwhile, transmitting train set information of the locomotive to the corresponding ground cabinet through the communication channel, and the corresponding ground equipment directly taking over the control of the locomotive, without carrying out the process of registration, network access, and re-initialization of the train set information of the locomotive. The purpose of continuous control over the transfer operation of the locomotive is realized. The station-yard switching method of the STP system is of great significance in improving the control performance of STP systems.
Owner:SIGNAL & COMM RES INST OF CHINA ACAD OF RAILWAY SCI +3

Header compression optimization method during and after handovers in cellular communication network

The present invention concerns a method for optimizing ROHC RTP (Robust Header Compression Real Time Protocol) compression applied to IP header of data packets stream so as to use more compact formats enable to remain in a steady state, to never discard received packet, and to serve radio resources without requiring to modify ROHC specification. In the method, when handover or mobility procedure is started, new reference values are normally added to a sliding compression window, but no reference value is removed from the window as long as the handover or mobility procedure is on going. After the handover or mobility procedure is complete, when the number of values transmitted on the new radio link are appropriate to cope against the error properties on the new link, all older values can be removed at once from the compression window, thereby reverting to normal window operation.
Owner:NEC CORP

Reset processing method, device and system of equipment

InactiveCN102360241AAvoid repeated scans and initializationsImprove efficiencyData resettingElectricitySystem recovery
The invention provides a reset processing method, device and system of equipment. The method comprises the following steps: rescanning bridge equipment connected below main equipment after the main equipment is reset; and sending the stored configuration information corresponding to each PCI (peripheral component interconnect) equipment down to the PCI equipment which is not powered off and is connected below the bridge equipment respectively so as to open PCI channels corresponding to the PCI equipment. The device comprises a scanning module and a sending down module. The system comprises the main equipment, a plurality of bridge equipment connected below the main equipment and a plurality of PCI equipment connected below the bridge equipment, wherein the main equipment comprises the reset processing device of the equipment. By adopting the method, the device and the system, the efficiency of system recovery after abnormal reset of the main equipment is improved.
Owner:RUIJIE NETWORKS CO LTD

Method for managing BIOS configuration by baseboard management controller and medium

The invention discloses a method for managing BIOS (Basic Input Output System) configuration by a baseboard management controller and a medium, and the method comprises the following steps that: traversing of all startup hardware of equipment is carried out, and a hardware number is configured for each startup hardware; a user sets BIOS configuration parameters for each piece of startup hardware as required, and stores the hardware number and the BIOS configuration parameters in a baseboard management controller; and during startup, the BIOS acquires the hardware number and the BIOS configuration parameters from the baseboard management controller, and the BIOS determines hardware corresponding to the equipment to be initialized according to the hardware number and executes initializationaccording to the BIOS configuration parameters. The user sets and modifies BIOS configuration parameters and selects startup hardware through a user interface provided by the baseboard management controller, the BIOS configuration parameters and the hardware number of the startup hardware are directly provided for the BIOS through the baseboard management controller, and the BIOS executes startupinitialization according to the BIOS configuration parameters and the hardware number. The BIOS configuration parameter synchronization conflict in the prior art is eliminated, and the startup speed is increased.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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