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基于最小航道法的實(shí)測(cè)數(shù)字信號(hào)奇異值剔除算法
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國家自然科學(xué)基金資助項(xiàng)目(50135010)


Elimination Algorithm for the Spike of the Measured Digital Signal Based on the Racetrack Method
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    摘要:

    由于使用環(huán)境和本身功能的影響，運(yùn)載機(jī)械在進(jìn)行實(shí)測(cè)數(shù)字信號(hào)采集時(shí)，常常會(huì)出現(xiàn)干擾信號(hào)值，即數(shù)字信號(hào)奇異值。準(zhǔn)確地剔除數(shù)字信號(hào)奇異值是實(shí)測(cè)數(shù)字信號(hào)處理中的一項(xiàng)關(guān)鍵工作。提出了基于最小航道法的數(shù)字信號(hào)奇異值剔除算法，根據(jù)數(shù)據(jù)的變化趨勢(shì)進(jìn)行數(shù)字信號(hào)奇異值的甄別與檢測(cè)。與幅值門限檢測(cè)法和梯度門限檢測(cè)法進(jìn)行了對(duì)比分析，結(jié)果表明基于最小航道法的奇異值剔除算法優(yōu)于幅值門限檢測(cè)法和梯度門限檢測(cè)法，處理結(jié)果真實(shí)可靠。

    Abstract:

    Due to the influence of the electromagnetic field and environment, there are spikes in the measured digital signal of carrier machinery. Eliminating the spike accurately is a key work of the digital signal processing. The algorithm based on the racetrack method of eliminating spike was put forward. This algorithm detects the spike according to the changing trends of the data, distinguishes spike and normal data obviously. Compared with the treatment results with amplitude threshold detection and differential threshold detection, the results show that the algorithm based on the racetrack method of eliminating spike is better than the others.

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閆楚良,段垚奇,劉揚(yáng),劉克格.基于最小航道法的實(shí)測(cè)數(shù)字信號(hào)奇異值剔除算法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(5):230-234. Yan Chuliang, Duan Yaoqi, Liu Yang, Liu Kege. Elimination Algorithm for the Spike of the Measured Digital Signal Based on the Racetrack Method[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(5):230-234.

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  • 在線發(fā)布日期: 2012-06-07
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