本文主要提出两种消除数字地震信号中长周期随机干扰的方法：窄带低通滤波对消法和自适应高通滤波法。
Two methods with which the long disturbance is removed from the digital are introduced: narrow band low - pass filtering canceling method and adaptive high - pass filtering method.
主要提出两种消除数字地震信号中长周期随机干扰的方法：窄带低通滤波对消法和自适应高通滤波法。通过使用多级抽点技术大大减少滤波法的运算量，可获得良好的滤波特性。
Two methods with which the long disturbance is removed from the digital care introduced: narrow band low-pass filtering canceling method and adaptive high-pass filtering method.
地震信号是以二进制编码的数字形式储存的。
我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。
An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.
由于该传感器直接将地震的机械信号以脉冲数字信号输出，避免了器件精度不同对传感器输出数据质量的影响，简化了组装工艺。
Because of the direct digital pulses output of grating sensor, the influence of different precisions of the devices to data quality is avoided, and the assemblage technology is simplified.
设计一种基于数字信号处理器（DSP）白勺地震波数据采集仪。
The design of a Seismic Data Acquisition System based on DSP.
针对地震波信号白勺特点，提出了基于FFT和小波分析白勺包括去噪、滤波和数据压缩白勺数字信号处理算法。
According to the characteristics of the seismic data, some data processing algorithms based on FFT and wavelet for denoising, filtering and data compression is put forward.
针对地震波信号白勺特点，提出了基于FFT和小波分析白勺包括去噪、滤波和数据压缩白勺数字信号处理算法。
According to the characteristics of the seismic data, some data processing algorithms based on FFT and wavelet for denoising, filtering and data compression is put forward.
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