關於 spectral whitening ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. Time-Variant Spectral Whitening

The spectral whitening algorithm operates in the frequency domain. You specify one or more filter slices by defining at least four corner frequencies: F1 ...

#12. Spectral whitening based on the singular ... - IOPscience

Spectral whitening based on the singular spectral analysis method. Rafael R Manenti 3,1, Wilker E Souza 1 and Milton J Porsani 2.

#13. Spectral whitening based on the singular spectral analysis me..

Coherent noise is always challenging in seismic data processing. Several filtering methods have been used to improve the quality of seismic data.

#14. Improved high axial resolution ultrasound imaging using ...

The minimum variance beamformer is originally proposed to apply over aperture domain data to improve lateral resolution. Via the help of spectral whitening, the ...

#15. A CFAR-Enhanced Spectral Whitening Method for Acoustic ...

A CFAR-Enhanced Spectral Whitening Method for Acoustic Sensing via UAVs [2017]. Brendan Harvey; Siu O'Young;. Access the full text.

#16. Whitening Processing of Seismic Signal Spectrum Based on ...

Then the whitening filter is used to perform spectral whitening on the time- frequency spectrum to obtain a seismic signal with higher time-frequency resolution ...

#17. Apparatus and method applying adaptive spectral whitening ...

US7003451B2 * 2000-11-14 2006-02-21 Coding Technologies Ab Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction ...

#18. Perform spectral whitening of a signal vector - R

The function normalises the input signal within a given frequency window. If a time series is provided, it is converted to the spectral domain, whitening is ...

#19. 谱白化_百度百科

谱白化（Spectral Whitening）是地震勘探数据处理的一种常用方法,可以展宽信号的频谱提高信号分辨能力,是一种“纯振幅”的滤波过程。

#20. Spectral whitening based on the singular ... - Engineering.com

Coherent noise is always challenging in seismic data processing. Several filtering methods have been used to improve the quality of seismic ...

#21. Basic Theory in Reflection Seismology: with MATHEMATICA ...

8.4 Spectral whitening In addition to the conventional deconvolution methods, there are also a number of unconventional spectral whitening procedures.

#22. Spectral Whitening with Application to Explosion pP - DTIC

Spectral Whitening with Application to Explosion pP. Descriptive Note: Corporate Author: TELEDYNE GEOTECH ALEXANDRIA VA SEISMIC DATA LAB. Personal ...

#23. GPR-SLICE Assist - Spectral Whitening for removing strong ...

GPR-SLICE Assist - Spectral Whitening for removing strong harmonic noises/ reverberations Data sent by Dr Sanjay Rana with PARSAN in India shows strong...

#24. Algorithm reference: SpectralWhitening - Essentia

Performs spectral whitening of spectral peaks of a spectrum. The algorithm works in dB scale, but the conversion is done by the algorithm so input should be ...

#25. Noise whitening (LTPDA Toolbox) - LISA

Noise whitening in LTPDA. A random process w(t) is considered white if it is zero mean and uncorrelated: As a consequence, the power spectral density of a ...

#26. Whitening transformation - Wikipedia

A whitening transformation or sphering transformation is a linear transformation that transforms a vector of random variables with a known covariance matrix ...

#27. Decimation-Whitening Filter in Spectral Band Replication

Index Terms—analytic signal, bandwidth extension, high-fre- quency (HF) reconstruction, linear prediction, spectral band replication (SBR), whitening. I.

#28. Spectral signal space projection algorithm for frequency ...

As explained in the introduction, the noise covariance matrix is used for whitening, and this can be performed for a variety of linear and ...

#29. Enhancement of temporal resolution using improved time ...

Time-variant spectral whitening was introduced as a powerful method to ... The improved technique can whiten the spectrum more without sacrificing or ...

#30. Method for whitening colored noise in a communication system

Filter settings are then generated based upon the modified spectral characterization. Finally, the input present at the receiver is filtered using the filter ...

#31. WHITEN - IRIS

DESCRIPTION. Add white noise to the data. Flattens the spectrum of the input time series. When this is performed prior to the spectral commands (like ...

#32. Spectral whitening · Issue #144 · scikit-signal/tftb - GitHub

http://dsp.stackexchange.com/questions/10183/what-is-spectral-whitening.

#33. On-line power spectra identification and whitening for the ...

Abstract. The knowledge of the noise power spectral density of an interferometric detector of gravitational waves is fundamental for detection algorithms ...

#34. Optical Assessment of In-Office Teeth Whitening Influence on ...

It was found that teeth enamel spectral changes were insignificant at different time after the in-office teeth whitening, which in turn did ...

#35. 中文意思| 谱白化英文怎么说| 化学工程| 石油 - SCI论文修改

中英对照. 谱白化. spectral whitening. 学科分类. 化学工程 石油 · 返回搜索结果. 例句. 暂无. 我来贡献例句：. Email: （选填）. 验证码: 提交.

#36. Building whitening filters (LTPDA Toolbox) - LISA mission

Whitening filters can be constructed from power spectral density (PSD) of noise only data series. The procedure can be summarized in few steps:.

#37. The whitening of ambient seismic noise

surements of surface waves also employ spectral whitening. (Lawrence and Prieto, 2011; Weemstra et al., 2012). The methodology of these attenuation studies ...

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#39. ADAPTIVE WHITENING FOR IMPROVED REAL-TIME AUDIO ...

Adaptive whitening requires no training, is relatively lightweight to compute, and can run in ... based on the power, spectral flux, phase deviation, and.

#40. G2Net Spectral Whitening - Kaggle

Spectral Whitening ¶ · For the CNN I used a pre-trained EfficientNet. · I first tried to use the spectrogram code in GWPy however I found that nnAudio ran about ...

#41. 1 “Empirical pre-whitening” spectral analysis detects periodic ...

Periodicities are detected by the presence of spectral peaks that rise ... algorithm to “empirically pre-whiten” the sample power spectrum which, ...

#42. Measurement of Optical Whitening Agent(Excitation Spectrum)

Relative F luorescence Intensity. [With Spectral Corrections]. Sample. : Optical Whitening Agent (powder). (Wako Pure Chemical Industries, Ltd.) Fluorescent ...

#43. Pillai "Whitening Filter" - YouTube

To find a causal and stable filter to convert a stationary colored noise process with arbitrary spectrum to a white noise process (that has ...

#44. Wide-Spectrum, Wellness, Whitening Tagged "Serum and Oils"

Home · W3 - Wide-Spectrum, Wellness, Whitening ...

#45. Ambient Seismic Noise Analysis - Cross Correlation

For each trace in the stream, apply spectral whitening on the frequency range you chose before (either [0.1 0.2]Hz or [0.05 0.1]Hz), using function whiten .

#46. SENSITIZED PHOTOOXIDATION OF WOOL BY ...

Abstract—A fluorescence spectral study has been made of the photochemical behaviour of two types of fluorescent whitening agents, a naphthotriazolylstilbene ...

#47. Detection of Targets in Filtered Noise: Whitening in Space and ...

For example, Gaussian noise with a Fourier amplitude spectrum falling inversely with spatial frequency (“1/f noise”) has been of interest because it has ...

#48. Spectral Whitening | PDF - Scribd

ffAs Spectral Whitening workflow combines ffAs volumetric frequency analysis techniques with 3D adaptive noise cancellation filtering to enhance the ...

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#50. The unwanted amplification of monochromatic signals in ...

Spectral whitening is a widely used powerful normalisation to improve the emergence of broad-band signals in seismic noise cross-correlations. Nevertheless, we ...

#51. On the amplitude of surface waves obtained by noise ... - HAL

and spectral whitening applied to the noise recordings. ... cillations do not have a flat amplitude spectrum; two peaks gener-.

#52. “Empirical pre-whitening” spectral analysis detects periodic ...

“Empirical pre-whitening” spectral analysis detects periodic but inconsistent signals in abyssal hill morphology at the southern East Pacific Rise ...

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#54. WO2004008705A1 - Noise whitening - Google Patents

A method of noise whitening a received signal comprises estimating (201) the noise of a channel; calculating (202) the power spectrum of the channel; ...

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#56. Processing seismic ambient noise data to obtain reliable ...

Not surprisingly, spectral whitening produces a broader-band signal. In many cases, the cross-correlation amplitude spectrum is shaped with the longer periods ...

#57. [PDF] Adaptive whitening for Improved Real-Time audio onset ...

... whitening can significantly improve the performance of various STFT-based onset detection functions, including functions based on the power, spectral ...

#58. UCSD—SIO221c: (Gille) 1 Edge effects in spectra

Edge effects in spectra: detrending, windowing and pre-whitening ... One way to minimize the impact of the red spectrum is to “pre-whiten” the data. When we.

#59. Land Seismic Case Studies for Near-Surface Modeling and ...

Time-Variant Spectral Whitening trum associated with surface-wave energy and flattening of the spectrum within the signal passband by timevariant spectral ...

#60. The whitening of ambient seismic noise - Academia.edu

Researchers estimating attenuation based on seismic interferometric (SI) measurements of surface waves also employ spectral whitening . Continue Reading.

#61. 3DFFT for Signature Detection in LWIR Images

among spectral bands that whitening can suppress. The WMF can be applied in the spatial or spectral domain, and uses a simplified data.

#62. Whitening in Range to Improve Weather Radar Spectral ...

That is, to estimate spectral moments, the joint distribution of signal power, mean Doppler velocity, and spectrum width would need to be calculated, which ...

#63. AVO Compliant Spectral Balancing - GeoConvention

In other words, after NMO, seismic data bandwidth is less than optimal, which reduces the resolution and continuity of AVO attributes. Spectral whitening helps ...

#64. Phys. Rev. D 100, 104004 (2019) - Noise spectral estimation ...

The variance of the colored Gaussian noise is used as a whitening ... is a more effective spectral estimation method as it is quantitatively ...

#65. NCL: Spectral Analysis and Complex Demodulation

The FFT implicitly assume the time series are 'cyclic'. Generally, this is not true. Hence, the source time series must be pre-treated (aka, "pre-whitening").

#66. Spectral domain optical coherence tomography findings in ...

Cotton wool spots have been considered one manifestation of ischaemia and represent swelling in the nerve fibre layer. However, clinical retinal whitening also ...

#67. Introduction Signal Model and NLS Pitch Estimator FIR Pre ...

a smoother estimated noise AR spectrum (LPC pre-whitening). ▻ How pitch estimation accuracy is improved. ▷ Example of female voiced speech sentence "Why were ...

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#70. How do I create spectral whitening convolution filter? - Reddit

I have been doing spectral whitening as like this: Calculate power spectral density (PSD) for a signal. FFT (fast fourier tranform) the ...

#71. Spectral Analysis of Color in Tooth Whitening Solution

Recognizing color and hues issues in Whitening Solution isn't that simple, as the bare eye may not get on the unpretentious color changes and defects.

#72. Rational Approximation applied to Spectral Estimation and ...

Spectral Analysis. Power Spectrum Density. ¡£ ¢. ¤. ¥. ¦. §¨. ¦. ©. ¦ correlation frequency. ¢ for the whitening of the data we need an estimator of the PSD.

#73. The history of whoo Whitening water spectral cushion #21 duo

Seller assumes all responsibility for this listing. eBay item number:383657660206. Last updated on ...

#74. Acquiring Better Seismic Data - 第 264 頁 - Google 圖書結果

Inverse Q - filters are another option prior to or instead of spectral whitening . In a number of cases such as the example in Figs .

#75. LED Spectral Beauty Mask Whitening and Importing Mask USB

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#76. Chordino and NNLS Chroma - Isophonics

This has a spectral whitening effect. The processed log-frequency spectrum is then used as an input for NNLS approximate transcription (using a dictionary ...

#77. Whitening in Range to Improve Weather Radar ... - CIWRO

Whitening in Range to Improve Weather Radar Spectral Moment Estimates. Part II: Experimental Evaluation. IGOR R. IVIC´. Cooperative Institute for Mesoscale ...

#78. A Pre-Whitening Scheme in a MIMO-Based Spectrum-Sharing ...

for a spectrum-sharing environment where multiple antennas are used for both primary and secondary users. The proposed pre-whitening scheme is different ...

#79. arXiv:1801.02727v2 [astro-ph.SR] 8 Feb 2018

a technique for spectral window deconvolution of light curves ... (A,L,G) power spectrum before any pre-whitening process is ap-.

#80. Teeth Whitening - Chino Spectrum Dental

Teeth Whitening. Over time, your teeth can go from white to not-so-bright for a number of reasons: Food and Drink Coffee, tea and red wine are some major ...

#81. On line power spectra identification and whitening for ... - CORE

The knowledge of the noise Power Spectral Density of interferometric detector of gravitational waves is fundamental for detection algorithms and for the.

#82. Seismic Spectral Blueing | ARK CLS

Seismic Spectral Blueing (SSB) extends seismic resolution without boosting ... spectrum of 2D and 3D seismic data; Compensates for inherent whitening of ...

#83. Temporal whitening with AR model - MNE-Python

Here we fit an AR model to the data and use it to temporally whiten the signals. # Authors: Alexandre Gramfort <[email protected]> ...

#84. Wrinkles Whitening Acne Cleaning LED Beauty Face Lig

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#85. Gravitational Wave Astronomy with LIGO: from Data to Science

Breaking the data into frequency bands not only simplifies the whitening process but allows a rough frequency spectrum to be assigned to candidate events.

#86. Face Mask LED Photon Lamp Device Spectral Skin ...

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#87. Adaptive whitening for improved real-time audio onset detection

... whitening can significantly improve the performance of various STFT-based onset detection functions, including functions based on the power, spectral ...

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#89. Adaptive Pre-whitening Based on Parametric NMF - EURASIP

that the proposed pre-whitener can preserve the signal of interest. Index Terms—pre-whitening, NMF, spectral flatness, pitch estimation, speech enhancement.

#90. Temporal whitening: Transient noise perceptually equalizes ...

This naturally occurring, low spatial and temporal frequency-biased relationship with energy, known as an inverse amplitude spectrum, has a characteristic ...

#91. Adaptive Pre-whitening Based on Parametric NMF

Index Terms—pre-whitening, NMF, spectral flatness, pitch estimation, speech enhancement. I. INTRODUCTION. The presence of additive noise is inevitable in ...

#92. AES E-Library » Novel Decimation-Whitening Filter in Spectral ...

MPEG-4 high-efficiency advanced audio coding (HE-AAC) has adopted spectral band replication (SBR) to efficiently compress high-frequency ...

#93. Spatiotemporal Content of Saccade Transients - Cell Press

balance (whiten) the spectral density of natural scenes at low spatial frequencies and follow the external po-.

#94. Multichannel - GPR Slice

GPR-SLICE spectral whitening filters can be used to also balance channels amplitudes across varying frequency bands. GPR-SLICE has block gridding volume ...

#95. Bioinspired Module Retina Introduction - OpenCV

spectral whitening at the Outer Plexiform Layer level (photoreceptors and horizontal cells spatio-temporal filtering). The former behavior compresses luminance ...

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#97. whitening 中文 - 查查詞典

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#98. Optimal spectral shrinkage and PCA with heteroscedastic noise

We consider an estimator of the principal components based on whitening the noise, and we derive optimal singular value and eigenvalue shrinkers for use with ...