stage filter

Fast estimation of signal subspace based on multi-stage Wiener filter

一种基于多级维纳滤波的信号子空间快速估计方法

Analog front-end circuit consists of preamplifier, low pass filter circuit and back stage amplifier circuit, preamplifier circuit instrumentation amplifier is used because it has a high input impedance, high common mode rejection ratio ( CMRR), low noise, and low drift.

模拟前端电路由前置放大电路、高低通滤波电路和后级放大电路组成，前置放大电路用的是仪表放大器，因为它有高输入阻抗、高共模抑制比（CMRR）、低噪声、低漂移。

At present, multi-stage decimation filter in seismic data acquisition system in a wide range of applications.

目前多级抽取滤波器在地震数据采集系统中应用广泛。

GMM-based two-stage Mel-warped Wiener filter.

基于高斯混合模型的两级Mel弯曲维纳滤波。

Adopting two stage reaction column could improve the NH3-N removal effect by biological filter.

采用两级反应柱可以增加曝气生物滤池对NH3-N的去除效果。

This paper deals with the problems of deconvolution of seismic signals. An adaptive recursive deconvolution filter consisting of two-stage bootstrap algorithms for parameter and signal estimations is proposed.

本文讨论地震信号去卷问题，提出了一种新的自适应递推去卷滤波器，它由参数和信号估计的两段Bootstrap算法组成。