By applying the difference arithmetic to solve the differential vibration model of the single-degree-of-freedom,the acceleration responses of the vibrated bevel wheel was calculated.The bevel wheel contact fault was simulated by taking it as the impulsion loading in local point.By using techniques of wavelet de-noising and demodulated resonance,gear contact character information was picked up successfully.

從齒輪的單自由度振動(dòng)模型出發(fā)www1黄色视频免费，運(yùn)用差分算法對(duì)模型進(jìn)行求解亚洲无码乱伦精品，得到斜齒輪的振動(dòng)加速度響應(yīng)，將齒面接觸型故障等效為在局部點(diǎn)突加一個(gè)沖擊載荷激情久久小说，對(duì)齒輪齒面接觸型故障進(jìn)行了仿真亚洲a级毛片电影，利用小波降噪和共振解調(diào)技術(shù)分別對(duì)仿真的染噪振動(dòng)加速度信號(hào)進(jìn)行處理，成功地提取了輪齒接觸故障的信息亚州欧美一级性交。

The paper introduces relation between wavelet transform and Lipschitz exponent and analyzes characteristic of signal and noise under wavelet analysis. Threshold de-noising method is introduced mostly at last.

其次美女一级黄色毛片在线，在陀螺漂移信號(hào)小波基選取的基礎(chǔ)上，系統(tǒng)地將bior雙正交小波應(yīng)用到陀螺儀信號(hào)處理中黄片一级二三级，得到了較好的去噪效果自拍视频在线91。

Based on much resolutional analysis wavelet threshold de-noising method ,an improved threshold function is proposed. it overcomes the shortcomings of the hard threshold with discontinuous function ang solves the problem of the permanent bias in soft threshold function,and it is more elastic than the soft threshold and hard threshold function.

在多分辨分析小波閾值去噪的基礎(chǔ)上，采用了一種改進(jìn)的閾值函數(shù)igao为爱寻找激情，克服了硬閾值函數(shù)不連續(xù)的缺點(diǎn)A级免费黄片，解決了軟閾值函數(shù)中存在的恒定偏差，并且具有軟硬閾值函數(shù)不可比擬的靈活性gs0431.com。

Then,the edge surfaces lost during the de-noising step are recovered based on the connectivity of edge surfaces.

實(shí)驗(yàn)結(jié)果表明国产日韩在线亚洲色视频，文中算法克服了邊緣曲面抽取算法抽取的邊緣曲面有洞的缺陷。

According to singular entropy and Percent of contribution to total energy, the de-noising rank is obtained and the signal is reconstructed. The thesis compares reconstruct wave form of different reconstruct rank and the error of original signal and reconstruct signal is contrasted.According to voltage flicker measurement, voltage flicker detection method based on Mathe Matical filtering and Teager Energy Operator is proposed. The multiple MM filter filters out pulse noise and white noise contained in fliker signal, then the filtered signal is tracked accurately and quikly via TEO.

提出了基于數(shù)學(xué)形態(tài)濾波和TEO能量算子的電壓閃變快速測(cè)量方法日韩二区，含噪電壓閃變信號(hào)經(jīng)過(guò)多結(jié)構(gòu)元素復(fù)合數(shù)學(xué)形態(tài)濾波后亚洲av线网站，采用TEO能量算子計(jì)算跟蹤電壓閃變信號(hào)的包絡(luò)国产小视频你懂的在线观看百度，得到的包絡(luò)信號(hào)用Pisarenco譜分析方法獲得閃變調(diào)制信號(hào)的幅值頻率等參數(shù)，對(duì)不同情況下的電壓閃變信號(hào)進(jìn)行了仿真驗(yàn)證在线亚洲免费。

The early fault feature signal can be obtained by means of de-noising, decomposition and reconstruction.

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Fifth, Applying the main idea of the improved center weighted median filter to the design of the optimal stack filter based on omnidirectional structural elements constrains, the dissertation raises a kind of improved filter algorithm for de-noising of pulse noise. The theory analysis and the simulation experiment of the image processing shows that this kind of filter can not only remove noise effectively but also keep detail of the image sufficiently.

根據(jù)最優(yōu)全方位結(jié)構(gòu)元約束層疊濾波器中常規(guī)中值濾波帶來(lái)的圖像高頻細(xì)節(jié)信息的喪失，引入改進(jìn)的中心加權(quán)中值濾波器亚洲国品网站，從而提出改進(jìn)的最優(yōu)全方位結(jié)構(gòu)元約束層疊濾波新方案男人女人猛烈无遮挡免费视频，實(shí)驗(yàn)和理論證明，它相對(duì)于最優(yōu)全方位結(jié)構(gòu)元約束層疊濾波方案欧美XXXXX性交，在濾除噪聲的同時(shí)更有效保持了圖像的高頻細(xì)節(jié)信息久久99精品久久久久久久旧本。

The intensity of pulse noisy pixels significantly differs from adjacent pixels of image. The de-noising will be accomplished by modifying the intensity of the noisy pixel according to the firing patterns of adjacent neurons of PCNN. At last, this dissertation suggests a new kind of filter for de-noising pulse noise based on the PCNN and median filter. It is very simple, and the simulation experiment of the image processing shows that the de-noising effect is much better than neighborhood averaging method and median filter.

一般脈沖噪聲點(diǎn)與其所在圖像像素灰度值之間相關(guān)性很差，而PCNN脈沖耦合神經(jīng)網(wǎng)絡(luò)能使相似神經(jīng)元同步激發(fā)caopeng碰公开在线视频；這就決定亮點(diǎn)脈沖噪聲像素對(duì)應(yīng)神經(jīng)元會(huì)在其區(qū)域所在相鄰神經(jīng)元中首先激發(fā)囯产精品免费久久久精品，為此結(jié)合中值濾波，我們提出了結(jié)合PCNN脈沖耦合神經(jīng)網(wǎng)絡(luò)和中值濾波的混合濾波新算法悠色视频更新在线观看，理論分析和實(shí)驗(yàn)證明免费看18禁止观看黄网站湖南，該方案在濾除噪聲的同時(shí)，比常規(guī)中值濾波更有效地保持了圖像的高頻細(xì)節(jié)信息欧美日韩国产综合一区二区三区。

Bandlet toolbox and de-noising process, combined with the threshold values, can be a good de-noising effect.

詳細(xì)說(shuō)明： Bandlet工具箱和去噪程序亚洲欧洲国产精品久久久，結(jié)合各項(xiàng)閾值計(jì)算，可以得到很好的去噪效果日韩高清视频在免费线。

Firstly, the effects of vibration signal de-noising among Fourier transform, wavelet decomposition and wavelet packet decomposition were compared. Secondly, the singular value decomposition was applied to de noise vibration signals. Finally, a new de noising method integrated with wavelet packet and singular value was put forward.

首先對(duì)傅里葉濾波降噪免费在线观看青春草、小波降噪和小波包降噪的效果進(jìn)行了對(duì)比，然后將奇異值分解技術(shù)用于信號(hào)降噪www.香蕉网，最后提出了一種將小波包和奇異值分解相結(jié)合的降噪方法黄大色大片免费久久。