With some well drilling engineering in Changqin Oilfield as the background, this paper introduces a pattern identification method for signal demodulation with mud pulse testing slope sensor.
以长庆油田某钻井工程为背景，介绍了泥浆随钻测斜仪信号解调的模式识别方法。
It describes clearly the software of vector signal demodulation, including the frequency offset calculation, magnitude and group-delay compensate, and pulse shaping filter.
在软件方面，详细介绍和分析了矢量信号解调分析软件设计与实现，其中包括载频频偏计算、幅度和群时延补偿、脉冲成形滤波器设计等。
It was introduced that the hardware structure and working principle of ASIC Z87200 of direct-sequence digital-pulse modulation and demodulation, which was produced by ZLOG TELECOM.
介绍了ZLOG电信公司生产的Z872 0 0直接系列数字脉冲调制解调芯片的硬件结构及其工作原理。
The outputs were in the form of impulse and phase difference while professional phase demodulation, period and pulse width measurement module focus on FPGA.
此外，以FPGA为核心构建了专用的鉴相、周期及相位脉宽测量模块。
The outputs were in the form of impulse and phase difference while professional phase demodulation, period and pulse width measurement module focus on FPGA.
此外，以FPGA为核心构建了专用的鉴相、周期及相位脉宽测量模块。
应用推荐