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Synchronization system of large-scale acquisition array

A synchronization system, large-scale technology, applied in the field of communication, can solve the problems of low reliability, cumbersome debugging process of static timing analysis, low efficiency and so on

Active Publication Date: 2020-06-02
CHENGDU KSW TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method requires a lot of acquisition system structure analysis, static timing analysis and constraints, and tedious debugging process, which is not only inefficient but also low in reliability

Method used

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  • Synchronization system of large-scale acquisition array
  • Synchronization system of large-scale acquisition array
  • Synchronization system of large-scale acquisition array

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0087] A synchronization system for a large-scale collection array, including a synchronization signal distribution device, multiple collection devices, multiple collection device sub-cards, and multiple collectors;

[0088] The synchronization signal distribution device distributes N clock signals and N synchronization signals to the acquisition device through its internally configured clock and synchronization signal distribution module;

[0089] The acquisition device distributes M-channel clock signals and M-channel synchronization signals to the acquisition device sub-card through its internally configured synchronization signal distribution module;

[0090] The acquisition device sub-card distributes L-way clock signals and L-way synchronization signals to the collector through its internally configured synchronization signal distribution module;

[0091] Wherein, the sub-card of the acquisition device is provided with a synchronization signal automatic alignment module ...

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Abstract

The invention discloses a synchronization system of a large-scale acquisition array. An array supporting N * M * L collectors is formed, wherein N, M and L can be adjusted according to specific conditions, namely the number and types of each collection device, daughter card and collector can be flexibly expanded, clock signals and synchronizing signals are distributed layer by layer to form a treestructure, and only PCB wiring, chip internal wiring and signal frequency division are involved in the distribution process, so that a homologous tree structure with a fixed phase relationship is formed; the structure is easy to implement, and the relative or absolute delay relation between signals does not need to be analyzed; not only can the large-scale array be realized, but also the expandability is high, and the configuration of the array can be changed at any time.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a synchronization system for large-scale acquisition arrays. Background technique [0002] In the application of aircraft flight test measurement and control, due to many test points and scattered test points, it is often necessary to use multiple devices to complete on-site acquisition and monitoring; at the same time, due to the special requirements of the application, for example, the vibration and noise of large aircraft mechanical equipment The monitoring system must collect these scattered measuring points synchronously in order to conduct a complete and accurate analysis of the overall status of the equipment. The synchronous collection here not only requires all test channels to start collecting at the same time, but also requires all channels to share a clock signal. The traditional multi-device synchronization needs to share the two digital signals of the trigger...

Claims

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Application Information

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IPC IPC(8): H04J3/06
CPCH04J3/0644H04J3/0682
Inventor 王志欣张吉林陈开国王维陈世朴费鑫叶云涛石璞
Owner CHENGDU KSW TECH
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