检波器

The cubic interpolation polynomial is got firstly in the given sub-range of the hydrophone's sensitivity-frequency curve by using the Akima curve smoothed algorithm, and the maximum of the polynomial is calculated in the sub-range by using the one dimension extreme value continued fraction algorithm, finally the frequency of the hydrophone is got.

频率测试是在灵敏度详细测试的基础上，采用阿克玛曲线光滑算法求出检波器幅频特性曲线在给定子区间上的三次插值多项式，再利用一维极值连分式法求出该区间上多项式的极值，从而求出检波器的频率值。

Proceed from the frequency response and sensitivity of geophone, which is related with the high resolution seismic exploration.

文章从高分辨率勘探所关心的问题———检波器的幅频响应和灵敏度出发，提出了一种更适合高分辨率勘探要求的检波器，即涡流检波器。

The response of the vertical geophone at an interface is quite similar to that on a free interface.

垂直检波器的响应与在自由界面处的垂直检波器的响应大概相同，而水平检波器对P波的响应相对于对S波的响应来说要强。

Finally, the fabrication of digital geophone in the domestic market is discussed briefly.

在中原油田进行了数字检波器和模拟检波器（12个组合）的野外采集试验，结果表明，MEMS数字检波器采集的记录在浅层有较高的分辨率。最后介绍了国内MEMS数字检波器的研制现状。

The paper introduces the working principle and structure of velocity type geophones,expounds the prerequisite for producing uniform magnetic field and the influence of the uniform magnetic field on geophone′s distortion.

文章在介绍了速度型检波器的结构和工作原理后，阐述了检波器中产生均匀磁场的必要条件及均匀磁场对检波器失真度的影响。

From the basic structure and operational principles, the response characteristics of the two geophones on oscillatory are described in detail.

从传统动圈式电磁感应检波器和压电式加速度检波器基本结构和工作原理出发，详细分析了两种检波器对振动的响应特性。

There are many types of geophones available, which can be divided into analog and digital geophones by their characters of output signals.

目前勘探市场应用的检波器种类繁多，就地震检波器输出信号的特征而言，可分为模拟地震检波器和数字检波器，而模拟检波器又可以分为多种类型。

On the other hand, for the reason of faultiness in the MEMS digital geophones, both digital geophones based on electromagnetic principle and MEMS technology could be coexistence and complement in the near future.

同时指出，由于目前MEMS数字检波器的不完善，在今后一段时间内，基于电磁感应机理的数字检波器，将与基于MEMS技术的数字检波器长期共存与互补。

The paper presented the performance of digital geophone firstly, and then comparing results collected on field by digital and coiled geophones separately were given.

通过对常规10Hz检波器和MEMS数字检波器的振幅响应、相位响应、谐波畸变的对比，讨论了数字检波器的优越性。

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。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。