Description: 考虑幅值谱与相位谱的人造地震动模拟与反应谱拟合
我国对《建筑结构抗震规范》进行了修订，将设计反应谱周期由原来的3秒延长到现在的6秒。反应谱周期的延长。
本程序以新规范反应谱作为目标谱，采用三角级数迭加来模拟地震动加速度。-consider amplitude spectrum and phase spectrum of the artificial seismic simulation and pattern fitting response to China's "structural seismic code" the amendment to the design spectrum cycle from three seconds to extend the current six seconds. Response spectrum cycle extension. The new procedures to regulate spectrum as the target spectrum, the use of triangular series superposition to simulate vibration. Platform: |
Size: 1818 |
Author:wz |
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Description: 考虑幅值谱与相位谱的人造地震动模拟与反应谱拟合
我国对《建筑结构抗震规范》进行了修订，将设计反应谱周期由原来的3秒延长到现在的6秒。反应谱周期的延长。
本程序以新规范反应谱作为目标谱，采用三角级数迭加来模拟地震动加速度。-consider amplitude spectrum and phase spectrum of the artificial seismic simulation and pattern fitting response to China's "structural seismic code" the amendment to the design spectrum cycle from three seconds to extend the current six seconds. Response spectrum cycle extension. The new procedures to regulate spectrum as the target spectrum, the use of triangular series superposition to simulate vibration. Platform: |
Size: 2048 |
Author:wz |
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Description: 考虑幅值谱与相位谱的人造地震动模拟与反应谱拟合 我国对《建筑结构抗震规范》进行了修订，将设计反应谱周期由原来的3秒延长到现在的6秒。反应谱周期的延长。 本程序以新规范反应谱作为目标谱，采用三角级数迭加来模拟地震动加速度-Consider the amplitude spectrum and phase spectrum of the artificial ground motion response spectrum simulation and fitting our anti-seismic construction norms, and the amendment to the design response spectrum cycle from three seconds to extend to the present six seconds. Response spectrum of the extended cycle. This procedure to a new standard response spectrum as the target spectrum, the use of trigonometric series of superposition to simulate ground motion acceleration Platform: |
Size: 2048 |
Author:ch |
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Description: 传统的波形发生器采用模拟技术的方法，这种方法构成的波形发生器电路结构复杂，仅能产生正弦波、方波、锯齿波和三角波等几种简单波形。而现在在高科技领域，我们需要的可能是一些任意波形，如在保密雷达发波等军事方面和地震波形、汽车碰撞波形等模拟仿真应用方面。任意波形发生器现在被广泛用于自动控制系统、振动激励、仪器仪表领域。我国目前在这方面还比较落后，特别是在用DDS技术实现任意波形发生器方面。本课题我们打算用DDS技术基于FPGA核心板设计一个任意波形发生器。该仪器我们用LabVIEW来写的控制面板实现与FPGA的通信，实现任意波形数据的采集，并具有良好的人机交互界面。用液晶显示屏显示波形的幅度和频率。用4×4键盘控制相关波形的输出。用AD和低通滤波电路实现数电到模电的转换-The traditional waveform generator adopts the method of simulation technology, this kind of method constitute the waveform generator circuit structure is complex, can only produce sine and square-wave, sawtooth wave and triangular several simple waveform. And now in the high-tech fields, we may need some arbitrary waveform is, as in LeiDaFa confidential military aspects and seismic waves, automobile collisions wave wave simulation application. Arbitrary waveform generator is now widely used in automatic control system, vibration, instruments field. At present in this respect, especially in still lag behind with arbitrary waveform generator DDS technology. This task we intend to use DDS technology based on FPGA core board design an arbitrary waveform generator. The instrument to write with LabVIEW, we realize the control panel and FPGA communication, realizing arbitrary waveform data acquisition, and has good human-machine interface. With LCD display wave amplitude and frequency. Use 4 Platform: |
Size: 532480 |
Author:zhangying |
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Description: 二层地质模型波场模拟,用有限差分进行波场的模拟,充分利用多波多分量地震记录，以及各向异性方面的独特信息，可有效地减少
纵波勘探的多解性，定量地描述裂缝储层，改善某些纵波资料成像不好地区的构造
成像。这样可获得比纵波分辨率高的多波剖面，从而有利于研究小幅度构造、断层、
裂缝裂隙等复杂地质现象，对油气勘探与开发具有现实意义和实用价值-Two-layer geological model wave field simulation, using finite difference wave field simulation to make full use of multi-wave multi-component seismic records, and the anisotropy of the unique information can be effective in reducing the P-wave exploration, multi-solution and quantitatively describe the crack reservoir to improve the poor image of some P-wave data area structure imaging. This availability of higher resolution than the longitudinal wave of multi-wave profile, thus contributing to the small amplitude structures, faults, cracks, fissures and other complex geological phenomena, for oil and gas exploration and development of practical significance and practical value Platform: |
Size: 2048 |
Author:解建建 |
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Description: 用于计算地震属性值，计算地震道数据平均绝对振幅值大小。-Used to calculate the seismic attribute values, calculate the average absolute amplitude of seismic data value size. Platform: |
Size: 1024 |
Author:毕有益 |
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Description: 地球物理勘探过程中对地震记录数据的振幅进行求取-Geophysical data during the course of the amplitude of seismic records to strike Platform: |
Size: 2048 |
Author:张三 |
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Description: 通过希尔伯特变换获得地震记录的三瞬参数（瞬时相位，瞬时振幅，瞬时频率）。压缩包中的文件record-128-2048.dat为原始地震记录，128道，2048个采样点，2毫秒采样间隔。amp.dat pha.dat fre.dat分别为计算获得的瞬时振幅剖面，瞬时相位剖面，瞬时频率剖面，也都是128道 2048个点。其中的函数都可以很方面地移植到其他地方使用。-Obtained through the Hilbert transform instantaneous seismic records of the three parameters (instantaneous phase, instantaneous amplitude, instantaneous frequency). Compressed files in the package record-128-2048.dat original seismic records, 128, 2048 sampling points, 2 ms sampling interval. amp.dat pha.dat fre.dat were calculated profile of the instantaneous amplitude, instantaneous phase profile, instantaneous frequency profile, 2048 are also 128 points. One aspect of the functions can be ported to other places. Platform: |
Size: 1036288 |
Author:王老五 |
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Description: 使用改进后的全变分算法对地震振幅切片进行处理，可以提高地震剖面的分辨率，增加信噪比。-Using the improved algorithm, total variation for processing seismic amplitude slices, can improve the resolution of seismic profiles, increased signal to noise ratio. Platform: |
Size: 1024 |
Author:quyong |
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Description: 硕士论文：粘弹性介质地震波数值模拟。
震波在实际地层介质中传播与在理想的完全弹性介质中传播有许多不同之处，地层的粘滞性会损耗地震波能量，使其振幅衰减并且视频率逐渐降低。地震波的这种能量
衰减和频散，使得不能直接从地震数据上得到准确的地下信息和分辨率更高的图像。实
际的地层更接近于粘弹性介质，本论文主要探讨和研究了粘弹性介质中地震波传播的数
值模拟方法及其衰减规律。
-Thesis: viscoelastic medium seismic wave numerical simulation. The shock wave propagation in the formation medium and ideal perfectly elastic medium spread there are many differences, the viscosity of the strata will loss seismic energy, so that the amplitude attenuation and video rate gradually reduce. This energy of the seismic wave attenuation and dispersion makes accurate subsurface information and higher resolution images can not be obtained directly from the seismic data. Actual formation closer viscoelastic medium, this thesis is to explore and study the numerical simulation of seismic wave propagation in viscoelastic media and its decay law. Platform: |
Size: 1879040 |
Author:基督山小猪 |
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Description: 在地震勘探中，利用matlab实现雷克子波及其振幅的输出，用于合成地震记录-In seismic exploration, using matlab Ricker waves and the amplitude of the output for the synthetic seismogram. . Platform: |
Size: 1024 |
Author:刘家富 |
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Description: 地震勘探复数道分析，利用这种方法，能方便地从地震记录中分离表示地震波动力学特征的若干参数，如瞬时振幅，瞬时相位，瞬时频率和视极性等。-The seismic exploration plural channel analysis, using this method, can be easily separated from the seismic records certain kinetic characteristics of seismic wave parameters, such as the instantaneous amplitude, instantaneous phase, instantaneous frequency and apparent polarity. Platform: |
Size: 14336 |
Author:yudanping |
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Description: 将矩阵显示成地震剖面，如果只 a 是输入，可扩展，X，Z，安姆，连接AMX自动决定，否则为“可扩展”是一个标量， ，z 的载体用于注释的偏移和时间，连接AMX振幅范围内。-The matrix shown as seismic profiles, If only a is enter, scal,x,z,amn,amx are decided automatically
otherwise, scal is a scalar x, z are vectors for annotation in
offset and time, amx are the amplitude range. Platform: |
Size: 1024 |
Author:江勇勇 |
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Description: 地震资料 数据处理 分频去噪 模块 主要压制随机噪音 异常振幅 野值 大值
方法特点：1 针对性强，主要去除随机噪音；2 随机噪音识别能力强，达到了较高的去噪水平；3 具有自适应性，能根据不同位置的不同特点统计识别噪音；4 振幅保真，对有效信号的保护性好；5 操作者可根据经验选择参数组合灵活去噪，达到较好的结果。
应用对比：为了展示本模块的去噪效果，所选取的对比对象是某知名成熟商业软件的分频去噪模块，其去噪效果在当前诸多成熟软件模块中是佼佼者，在地震资料处理界具有很好的口碑。
通过对比，说明本模块：1 针对性强，主要去除随机噪音和异常振幅等。2 随机噪音识别能力强，达到了较高的去噪水平。3 具有自适应性，能根据不同位置的不同特点统计识别噪音。4 振幅保真，对有效信号的保护性好。5 操作者可根据经验选择参数组合灵活去噪，达到较好的结果。-Frequency-dependent noise attenuation
seismic data, processing module, is mainly to suppress random noise, denoising abnormal/large amplitude values
Method of characteristics: 1 targeted, mainly to remove random noise 2 random noise and strong ability to identify , reach a higher level of de-noising 3 is adaptive , able to identify the noise statistics according to the different characteristics of different positions 4 amplitude fidelity , the effective protection of the signal is good 5 denoising operator flexibility to select the combination of parameters according to the experience , to achieve better results .
Application contrast: To demonstrate the effect of the de-noising module , the selected object is a well-known comparative commercial software divide mature noising module de-noising effect is the current leader in many mature software module in seismic data processing industry has a good reputation.
By contrast, the description of the module : a targeted, mai Platform: |
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Author: |
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Description: 地震资料叠后振幅补偿程序 适用于叠后地震资料处理 提高信噪比-Post-stack seismic amplitude compensation program applies to post-stack seismic data processing to improve the signal to noise ratio Platform: |
Size: 7168 |
Author:李河昭 |
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Search - seismic amplitude