wavelet

美 ['we?vl?t] 　英 ['we?vl?t]

• n.（湖面或海面的）鱗波
• 網(wǎng)絡(luò)小波；子波；小波變換

詞形變化

復(fù)數(shù)：wavelets  

英漢雙解

英漢解釋

na.	1. 小浪;【物】子波,弱波,小波,基元波,成分波

英英解釋

n.	1. a small wave, e.g. a ripple

例句

The continuous wavelet transform (CWT) has been used to measure harmonics due to its excellent time-frequency character.

連續(xù)小波變換（CWT）因其良好的時(shí)頻局部化特性，可用來分析諧波。

Wavelet transform has been used for pitch detection in real time . and two algorithms (multi-scale and single scale) are compared.

小波變換用來實(shí)時(shí)提取基音，并對比了多尺度和單一尺度兩種算法。

The result shows that this kind of representation used to obtain the wavelet filters directly is effective in time domain.

而且在時(shí)域中用來直接獲得小波濾波器是有效的。

This kernel is proposed in this paper and is proved to be able to improve training speed and precision of the wavelet SVM.

文中提出并證明了一種新的徑向基小波支持向量核，可提高小波SVM的訓(xùn)練速度和逼近精度。

Chirplet transform is the general form of Fourier transform, short-time Fourier transform and Wavelet transform.

線調(diào)頻小波變換是傅里葉變換、短時(shí)傅里葉變換和小波變換的一般形式。

The improved gradient descent algorithm has been used to train the wavelet neural network.

在訓(xùn)練小波神經(jīng)網(wǎng)絡(luò)時(shí)，采用了改進(jìn)的梯度下降算法。

The results show that this method can fuse geometry model efficiently and the effect by EMD is better than that of wavelet.

實(shí)驗(yàn)結(jié)果表明，該方法能夠有效融合三維幾何信號，基于限鄰域經(jīng)驗(yàn)模式分解的重構(gòu)效果優(yōu)于小波分解。

Wavelet believe that such a random girl, and he certainly is not one person had sexual relations.

小波認(rèn)為，這樣一個(gè)隨便的女孩，肯定不只和他一個(gè)人發(fā)生過性關(guān)系。

The experimental results show that this algorithm is superior to the zero tree wavelet image compression algorithm.

試驗(yàn)結(jié)果表明，該算法要優(yōu)于零樹小波圖像壓縮編碼算法。

The emergence of wavelet analysis is the result of a multidisciplinary effort that brought together many intersect fields.

小波分析的出現(xiàn)，是不同學(xué)科、不同領(lǐng)域的交流與交叉學(xué)科發(fā)展的結(jié)晶。

Finally, wavelet analysis and neural network theory are used to analyze the acceleration signals to determine the direction of car crash.

最后通過小波淺析淺析和神經(jīng)網(wǎng)絡(luò)理論淺析淺析加速度信號來判斷汽車碰撞時(shí)的方向。

At last, we have added this wavelet filter module in testing system, proved that this system is real-time, veracity, agile.

最后在電磁無損檢測系統(tǒng)中加入設(shè)計(jì)的小波濾波器模塊，驗(yàn)證了其準(zhǔn)確性、靈活性和實(shí)時(shí)性。

Meanwhile, wavelet transform idea is applied to this paper and a new wavelet de-noising method in OFDM channel estimation is proposed.

另外，將小波變換思想運(yùn)用到OFDM信道估計(jì)中，提出一種基于小波去噪的OFDM信道估計(jì)新方法。

It is desirable to have an accurate wavelet extraction approach that has no hypothesis on the wavelet phase form.

人們期望一種對子波的相位不做任何假設(shè)的更為準(zhǔn)確的子波提取方法。

Conclusion Its remarkable features will enable wavelet transform to be of good prospects in the practice of medical image processing.

結(jié)論小波變換的特性使其在醫(yī)學(xué)圖像處理領(lǐng)域具有很好的應(yīng)用前景。

The simulation result shows that the best wavelet denoising threshold parameter can be chosen effectively by this algorithm.

計(jì)算機(jī)仿真結(jié)果表明，該算法可穩(wěn)定有效地選取最優(yōu)的去噪閾值參數(shù)。

Conclusion The method that combines wavelet transform and shape filter can be used for ECG denoising during spaceflight.

結(jié)論將小波變換級聯(lián)形態(tài)濾波的去噪方法應(yīng)用到載人航天過程中是可行的。

Wavelet transform zero-crossing detection method can be used for the coding and recognition of human iris.

使用小波變換零檢測算法可實(shí)現(xiàn)人眼虹膜圖像的編碼和識別。

Influence of different wavelet basis, different threshold selection standard and decomposing scale on denoising result is analyzed as well.

并探索了不同的小波基和閾值選取準(zhǔn)則以及分解尺度對礦震信號去噪結(jié)果的影響。

In this paper, nonseparable multivariate wavelet transforms of the general form are presented.

提出了一般形式不可分離變量的多元小波變換。

In complicated frequency components domain, wavelet scalogram and assigned wavelet scalogram were used to further analyze vibration signals.

在頻率成分較復(fù)雜的地方，利用小波尺度圖和再分配小波尺度圖進(jìn)行細(xì)化分析。

Different sequential morphological wavelet transform and processing for high-frequency coefficient were used to enhance biochip images.

利用形態(tài)小波的不同級連方式和高頻系數(shù)的處理實(shí)現(xiàn)生物芯片圖像的濾波增強(qiáng)。

In a process of seismic data processing, the wavelet processing with mixed phase is always an important project.

在地震資料處理中，混合相位子波處理一直是一個(gè)重要課題。

Harmonic wavelet analysis was applied to the non-linear vibration signal analysis in the low frequency segment of a cracked rotor.

采用諧波小波對裂紋轉(zhuǎn)子的非線性振動(dòng)信號在低頻段進(jìn)行了分析。

And the wavelet transform itself is of so long basic functions that serious ghost appears in the decompressed images at low bit rate.

同時(shí)小波變換本身也存在著基函數(shù)過長的問題，從而引起了低比特壓縮中較為嚴(yán)重的虛影的出現(xiàn)。

The simulation results show that the intrusion can be fully detected by the energy difference of the wavelet coefficients.

仿真實(shí)驗(yàn)表明，小波系數(shù)的能量差能很好地反映出視頻流受攻擊的情況。

The main purpose is to discuss the stationarity of two classes of nonstationary processes after wavelet transformations.

主要討論了兩類非平穩(wěn)過程小波炇換后的平穩(wěn)性。

Then we calculate the resulting wavelet coefficients through multi-resolution interpolation using a time-varied weight function.

然后，通過基于時(shí)變權(quán)函數(shù)的多分辨率插值，得到各變形結(jié)果圖像的小波系數(shù)；

It is one of the important research fields to apply the methods of wavelet analysis and partial differential equations in image processing.

應(yīng)用小波分析方法和偏微分方程方法進(jìn)行圖像處理是一個(gè)重要課題。

Since the introduction of wavelet tree and certain pass, SPIHT can achieve high compression ratio as well as high image quality.

由于引入了小波樹，隱藏了掃描路徑，因此SPIHT算法能獲得較高壓縮比，同時(shí)保持較好的圖像解碼質(zhì)量。

Moreover, some digital signal processing methods which are wavelet analysis and digital filtering are used for signal de-noising.

采用了小波分析和數(shù)字濾波等數(shù)字信號處理方法來解決信號的降噪問題。

Fundamental theory of denoise by wavelet introduced, wavelet transfer is applied to the denoise of body-surface electrogastrogram signals.

本文在介紹了小波去噪基本理論的基礎(chǔ)上，把小波變換應(yīng)用于體表胃電信號去噪處理中。

The results showed that the wavelet had a reasonable and clear process , and its outcome measures were time saving .

結(jié)果表明，在特征尺度的識別上：小波方差方法清晰明了；

The method of digital filter and wavelet transform were also used for analyzing and dealing with the signal.

可利用數(shù)字濾波和小波變換的方法對其提取的胃電信號分析和處理。

Apparently they must have done something about it before they figured out the wavelet transform. . . ?

很明顯在發(fā)現(xiàn)小波變換之前他們還是做了些什么？

seismic wavelet extraction is one of the very important part of seismic inversion.

地震子波的提取是地震反演中非常重要的一個(gè)方面。

The maximum positive or upward deflection, also known as the crest, of the seismic wavelet.

地震子波正向的最大偏離，也叫做峰值。

It first proposes an approximate model of time-varying channels by means of wavelet multi-resolution decomposition.

該算法首先應(yīng)用小波多分辨率分解原理來近似建模時(shí)變信道；

applying wavelet analysis and statistics analysis to post process the long term identification results.

對長期連續(xù)的識別結(jié)果利用小波分析和統(tǒng)計(jì)分析等技術(shù)進(jìn)行綜合后處理。

Wavelet is paid much attention due to its excellent performance in transient line selection fields.

小波以其優(yōu)良的性能在暫態(tài)選線法中備受關(guān)注。