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Wave-particle converting device

A conversion device, wave particle technology, applied in impedance network, electrical components, multi-terminal network and other directions, can solve the problem of data that cannot be recovered from the edge

Active Publication Date: 2013-01-16
SHANGHAI GOLDEN BRIDGE INFOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0058] The technical problem to be solved by the present invention is to overcome the defect that the existing technology cannot restore the edge data completely. A wave-particle conversion device that completely restores edge data

Method used

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Examples

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Embodiment Construction

[0087] figure 1 It is a function display diagram of a wave-particle conversion device for even-numbered wavelength symmetric filtering of an embodiment of the present invention. and figure 2 Common symbols are assigned to the elements common to the conventional technologies. This wave-particle conversion device is the same as before: at the conversion side 10 there is a first low-pass filter device 11, a first high-pass filter device 12, and first and second data reduction devices 13 and 14; at the inverse conversion side 20 there is a first , second data complementing means 21 and 22, second low-pass filtering means 23, second high-pass filtering means 24, and adding means 25. But the following devices are attached. That is, in the converting side 10, a first end point data generating means 31 is provided at the front ends of the first low-pass filtering means 11 and the first high-pass filtering means 12. Moreover, at the inverse conversion side 20, a second end point d...

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Abstract

The invention discloses a wave-particle converting device, which comprises first end-point data generating devices, a second end-point data generating device and a third end-point data generating device, wherein the first end-point data generating devices are used for generating data outside end-point data which is necessary for the filtering of the input data and are arranged on the input sides of a first low-pass filter device and a first high-pass filter device; the second end-point data generating device is used for generating data outside a plurality of end points which are necessary for the filtering of low-frequency components supplied by a first data supplement device and is arranged between the first data supplement device and a second low-pass filter device; and the third end-point data generating device is used for generating data outside a plurality of end points which are necessary for the filtering of high-frequency components supplied by a second data supplement device and is arranged between the second data supplement device and a second high-pass filter device. The device provided by the invention can simply and effectively restore marginal data integrally.

Description

technical field [0001] The invention relates to a wave-particle conversion device. Background technique [0002] As prior art in this field, there are documents described as follows: [0003] 1980 IEEE ICASSP, Denver, CO. (1980-4) (USA) J.D.Johnston (A Filter Family Designed for Use in Quadrature Mirror Filter Banks) p.291-294 [0004] Conventionally, as a wave-particle conversion method, there is a method using an even-length symmetric filter device described in the above-mentioned literature. Hereinafter, its structure will be described with reference to figures. figure 2 This is an example of the functional configuration of the conventional wave-particle conversion method described in the above-mentioned literature. This wave-particle transformation method consists of a pair of input data X I (i) Perform wave-particle conversion and output the rounded low-frequency component X L (2i) and the high frequency component X H The wave-particle conversion side 10 of (2i), ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H7/01
Inventor 吴志雄
Owner SHANGHAI GOLDEN BRIDGE INFOTECH CO LTD
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