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视觉效果是地震资料处理质量的重要评判标准之一,本文从信号处理、聚焦质量和信噪比等三个方面对影响地震资料处理视觉效果的几个侧面进行了探讨。好的信号处理体现在剖面的子波周期数少且旁瓣幅度小,同时频率丰富、频率成分之间能量关系协调。好的聚焦质量相当于获得了地层的特写图像,其关键是合适的成像方法和对应的速度分析质量,文中探讨了速度分析的基本原则。提高信噪比的同时,要保证成像的可靠性,其关键是在噪声衰减过程中把握有效信号和噪声的平衡关系,注重去噪的针对性。
Visual effects are one of the most important criteria for the seismic data processing quality. In this paper, several aspects that affect the visual effects of seismic data processing are discussed in terms of signal processing, focusing quality and signal to noise ratio. Good signal processing is reflected in the section of the wavelet cycle less and less side lobe amplitude, while the frequency is rich, the energy between the frequency components of the coordination. A good focusing quality is equivalent to obtaining a close-up image of the formation. The key is the proper imaging method and the corresponding speed analysis quality. The basic principles of speed analysis are discussed in this paper. While improving the signal to noise ratio, the key to ensure the reliability of imaging is to grasp the balance between the effective signal and noise in the process of noise attenuation and pay attention to the pertinence of denoising.