地震检波器

An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.

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。对一个连续系统进行了不变数字模拟，该系统被认为是作为单自由度系统加速度计的转换函数。

Using the calculation formula of reflection ecergy, transmissin energy and incidence energy and equivalent principle of electric signal received by detector and seismic wave energy reflected by underground lithologic boundary, the formula of interval velocity and strata density are derived.

根据运动学中的动量守恒定律、分析地震勘探过程中地震波在地下介质中的传播过程，利用反射能量、透射能量与入射能量的计算公式和检波器转化的电信号与地下密度界面反射地震波波动能量的效原理，推导出直接求层速度和层密度公式。

In theory, there is no error for the refractive seismic exploration by permuting the focus and the cymoscope. In some especial condition, it would be the only choice because that refractive seismic exploration is needed, but the error can not be neglected be cause of various factors.

在理论上，用源检互换的方法进行折射地震勘探是没有误差的，在某些特殊条件下无法铺设检波器而又必须进行折射地震勘探时它也是唯一的选择，然而，在实际工作中，由于各种因素的影响，其误差是不可忽略的。

Vibroseis is a new type of seismic source which will not bring the danger and destructibility of dynamite and can bestir repetitious sweeping signal.

而高分辨率地震勘探是一个系统工程，从地震波的激发、检波器阵列的布置、数据采集、数据处理到数据解释都应该遵守高分辨率地震勘探的准则。震源是产生地震信号的源头，其信号质量直接影响地震勘查效果。

It is concluded that digital geophone should be chosen for high resolution seismic survey if possible.

通过研究认为，数字检波器是高分辨率地震勘探的首选检波器。

With the development of high resolution seismic exploration, there is a requirment for improving the performence of geophone so as to meet foe needs of high resolution data acquisition.

随着高分辨率地震勘探的不断发展，要求检波器的性能与高分辨率地震数据采集相适应。

In this paper the key points discussed were that, under the condition of a sharp hypsography of desert areas of Ordos basin, we used some new geophysical methods in the investigation of surface structure to obtain high accurate surface structure data and provide reliable scientific foundation for data acquisition and process; we dealt with the optimum coupling of surface geophones and the digital realization technique in desert areas, dug into a method of high frequency compensation according to attenuations by absorption near surface, adopted data processing and correction technique, solved high frequency attenuation and geophone coupling, eliminated the influences of sharply transverse fluctuation of hypsography in desert area on the seismic data, enhanced the fidelity and SNR of seismic section, and finally picked up more geologic information on the seismic profile and improved the precision of the lateral prediction for the reservoir beds.

本文旨在研究鄂尔多斯盆地沙漠区地表变化比较大的情况下，在表层结构调查中通过应用一些地球物理新方法，以获取高精度的表层结构数据，为资料采集和数据处理提供更科学的依据；研究在沙漠区地表检波器最佳耦合的方式与数字实现技术，研究通过近地表的吸收衰减规律进行高频补偿的方法，采用数据处理校正技术，解决高频吸收及检波器耦合，消除沙漠区表层横向剧烈变化对地震资料的影响，提高地震剖面的保真度和信噪比，从而使更多的地质信息能够从地震剖面中反映出来，提高储层横向预测的精度。

Receiving seismic signal has to use geophone with variable natural frequency or the combination of several geophones with different natural frequencies in the field.

野外接收地震信号要用可变自然频率的检波器或用多个不同自然频率的检波器组合。

The geophones are the key devices in the seismic exploration data gathering, which mainly include both of analog and digital ones.

地震勘探数据采集的关键器件是检波器，分为模拟检波器和数字检波器。

Eddy acceleration geophones have been widely used in higher resolution seismic exploration owing to its better performance in high frequency together with other virtues, the accuracy measurement of geophone becomes more and more urgent.

摘 要：涡流检波器因具有较好的高频特性等优点，在高分辨率地震勘探中获得推广应用，同时对涡流检波器的精确测量也愈加迫切。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。