spectral filter

Study on Theory of Spectral Shaping Filter in the Seismic Prospecting Instrument

地震勘探仪器中频谱整形滤波器的理论研究

It details core algorithm of the instrument including TDR test, frequency response test, digital tracking filter, power spectral density test, load coil detection, DMT test, voltage test, current test, resistance test and capacitance test.

详细阐述TDR测量、频响测量、数字跟踪滤波、功率谱密度测量、加感线圈检测、DMT测量、电压测量、电流测量、电阻测量、电容测量核心算法。

Influence of the Spectral Bandwidth of Thickness Monitor System on the WDM Narrow Band-pass Filter

膜厚监控系统的光谱宽度对波分复用窄带滤光片性能的影响

This paper introduced a communication signal process system based on Matlab. The system consists of the input and spectral analysis module, filter module, coding and decoding module and communication simulating module.

介绍了一个采用Matlab程序设计语言完成的通信信号处理系统，该系统主要由信号的输入及频谱分析模块、滤波器模块、编解码模块以及通信仿真模块组成。

The auto-matched dynamic filter designed in this paper is able to give a real-time analysis of the spectral characteristics of the echo signal, and adjust the center frequency of dynamic filter when necessary. which achieved the desired requirements.

本文设计的自动匹配的动态滤波器能够实时的分析回波信号的频谱特性，适时调整动态滤波器的中心频率，达到了预期的设计要求。

In lidar system basing on the brim detecting technology, it is crucial to determine the absorption spectral profiles of molecule absorption cell filter and the center frequency of emission laser signal in design of lidar system.

基于边缘探测技术的激光雷达系统中，确定分子吸收池滤波器的吸收光谱谱线，以及确定发射激光信号的中心频率，是实现激光雷达系统设计的核心问题。