Ricker wavelet 地震

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August undefined, 2024

Web豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用 ... WebOct 13, 2024 · 反射地震褶积模型认为，地震记录 s(n) s ( n) 是震源地震子波 w(t) w ( t) 和地下地层反射系数 r(t) r ( t) 褶积的结果。. 其数学表达式，即褶积公式为： [1][2] [ 1] [ 2] s(n) = …

多子波分解与重构研究及其应用 - 豆丁网

WebIn a recent publication, Ricker (1977) gave integral representations for his generating, displacement, velocity, and acceleration functions pertaining to the propagation of a … WebJul 3, 2024 · 6- Wavelet & Convolution. In reflection seismology, it is assumed that the seismic data we record on the surface is the reflection of energy which is convolved (masked) with wavelet. From various wavelets, Ricker is one of the most common types as it is zero phase and favorable for seismic interpretation tasks. clippy show

The calculation of Ricker seismic wavelet functions

WebNov 3, 2014 · In this section, we will show that the Lambert W ( x )function (for x < 0) is, actually, a rotation of the Ricker wavelet amplitude spectrum. Multiplying the Ricker wavelet in the time domain by a factor of − 1 2 π ω p ⁠, one can have a scaled wavelet, r ~ ( τ) = − π ω p 2 ( 1 − 1 2 ω p 2 τ 2) exp ( − 1 4 ω p 2 τ 2). Web百度一下：雷克子波是地震子波中的一种。. 由震源激发、经地下传播并被人们在地面或井中接收到的地震波通常是一个短的脉冲振动，称该振动为振动子波。. 图1 来自百度百科（侵权请及时联系清除）. 从这个图的意思，雷克子波就是一个主瓣加两个旁瓣，这 ... WebApr 21, 2024 · The book covers wave motion; digital imaging; digital filtering; various visualization aspects of the seismic reflection method; sampling theory; the frequency spectrum; synthetic seismograms; wavelets and wavelet processing; deconvolution; the need for continuing interaction between the seismic interpreter and the computer; seismic … clippys feedback

Generalized seismic wavelets Geophysical Journal International

震源深度对二维盆地放大的影响研究*_参考网

WebLike Ricker and Ormsby wavelets, a Klauder wavelet (fig 5) is symmetrical about a vertical line through its central peak at time zero. A Klauder wavelet represents the autocorrelation of a linearly swept frequency- modulated … WebJan 1, 2015 · The Ricker wavelet has been widely used in the analysis of seismic data, as its asymmetrical amplitude spectrum can represent the attenuation feature of seismic wave … bob storms bathtub gin party band youtubeWebRicker wavelet are also actively used when computational intelligence techniques are used for processing seismic data; see, e.g., [6]. Speciﬁcally, in line with Ricker’s suggestion, … clippy skin surface

"Web基于频谱的两种品质因子提取方法对比分析. 为了说明RCS法与泰勒近似法两种新的品质因子反演方法的特点及优越性，特设计理论模型计算进行分析与对比。. 3.1 三种方法的对比. 设计一个六层介质模型，为方便比较，所选模型具有较大地层厚度，模型参数见表1 ... " - Ricker wavelet 地震

Ricker wavelet 地震

WebNov 18, 2015 · 地震時に切断された鋼菅のボックス柱だ。 ... 右の図-1は24階のビルの基盤部から上下動の衝撃力（Ricker-Wavelet）を与えた場合の波動伝播の模様を表している。地球シミュレーターとLS-DYNAを用いての三次元地盤連成応答用のモデルを流用した。 ... WebApr 27, 2016 · I have been struggling with defining a custom wavelet using pywavelets. I would like to perform a DWT using the ricker wavelet. However, the ricker wavelet does not seem to be part of the in-built wavelet family provided by pywavelets. The official pywavelet documentation gives an example illustrationg how to define a custom Haar wavelet.

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WebExample Ricker wavelet, as plotted by WolframAlpha. [1] Sometimes the period (somewhat erroneously referred to occasionally as the wavelength) is given as 1/ f, but since it has … WebBut the same rule applies the other way: convolution in the frequency domain is equivalent to multiplication in the time domain. S (f)=W (f)*R (f) => s (t)=w (t).r (t) In order to get a wavelet (in time) whose Fourier transform is a Gaussian centered at a certain frequency, you will need to multiply a sinusoid of that certain frequency by a ...

WebMay 4, 2024 · In continuous time, the Ricker wavelet is given by the second derivative of the Gaussian function (Clay, 1990 [3], p. 285): ( 60) The parameter b is called the wavelet … WebApr 9, 2024 · 国家重大科研装备研制项目"深部资源探测核心装备研发（ZDYZ2012-1）-06子项目金属矿地震探测系统-05课题系统集成野外试验与处理软件研发"资助 ... Ricker wavelet of different frequency. Figure 4. Seismic record of receiver No.1 when r=1. Figure 5. Seismic record of receiver No.2 when r=1.

WebThe Ricker wavelet is theoretically a solution of the Stokes differential equation, which takes into account the effect of Newtonian viscosity, and is applicable to seismic waves … WebDec 6, 2024 · A Ricker wavelet is a signal commonly used in seismic interpretation, modelling and inversion. It has a relatively simple visual form with a positive peak and two …

WebMar 24, 2016 · 2007年，赵爽等人【6】把各地震道分为频率各不相同的Ricker子波集合，利用多子波分解技术研究含煤砂岩储层，并利用多子波分解处理后的重构数据体消除了煤层低频强反射干扰，并进行了地震属性预测。

WebNov 3, 2014 · The Ricker wavelet has been widely used in the analysis of seismic data, as its asymmetrical amplitude spectrum can represent the attenuation feature of seismic wave … bob stores waterbury ctWebThe Ricker wavelet is theoretically a solution of the Stokes differential equation, which takes into account the effect of Newtonian viscosity, and is applicable to seismic waves propagated through viscoelastic homogeneous media. In this paper, we defined the time-domain breadth and the bob stores waterford ctWebThe functions x0(t) proposed by Ricker are therefore known as Ricker wavelets. The power spectrum S(!) of a Ricker wavelet x0(t) has the form S(!) = K ! 2 exp(c !); where c = ˙2 and K is a constant. 1.3 Ricker wavelets have been empirically successful Since the original Ricker’s paper, Ricker wavelets have been successfully used in processing clippy shoutout playerWebMay 29, 2015 · 为什么Ricker wavelet在反射地震中最常用？. 天然地震中在做synthetic seismogram的时候对于pulse只是用一个三角就代替了，为什么反射地震中用Ricker … clippy snlhttp://en.dzkx.org/article/doi/10.6038/cjg2024L0143 bob store totowaWebFeb 23, 2024 · 課題と目標課題. 作成したcft関数は引数mwにscipy.signal.rickerなど用意されたものを渡し動作するのが現状である. このscipy.signal.rickerは, 基本となる波によく … clippy sound effectWebMar 21, 2015 · Errors in the time-depth curve will propagate into your extracted wavelet. What you can do is to first approximate the real wavelet with a simple zero-phase phase wavelet extracted from the autocorrelation of the seismic data (or you can use a Ricker wavelet of a reasonable dominant frequency if you want) and make a synthetic … bobs torquato