基于虚拟仪器的超声Doppler管道低流速测量:传统的超声Doppler 流量计在管道流量测量中会遇到无法判断流速方向和低流速测量困难等问题。该文基于虚拟仪器平台,将Doppler 信号解调到1
2009-05-14 00:40
传统的超声Doppler 流量计在管道流量测量中会遇到无法判断流速方向和低流速测量困难等问题。该文基于虚拟仪器平台,将Doppler 信号解调到15 kHz 的中心频率,并运用Zoom-FFT 算法对其进
2009-07-25 10:37
目标的微动特征与目标属性密切相关，可作为目标识别的重要特征。对旋转部件，该文建立了具有空域时变特性的点散射模型。基于此模型，分析了由目标的旋转部件引起的微Doppler
2009-11-21 11:56
Introduction:Thank you for purchasing the RDF Doppler Radio Direction Finder kit Version2.0.
2010-07-01 14:16
effects and Doppler frequency shift/spread effects. In Part II, we will briefly introduce multipath and Doppler channel models
2011-09-06 15:14
传统的超声Doppler 流量计在管道流量测量中会遇到无法判断流速方向和低流速测量困难等问题。该文基于虚拟仪器平台,将Doppler信号解调到15 kHz 的中心频率,并运用Zoom-FFT 算法对其进
2009-07-25 10:39
Traditional velocity measurement techniques, such as hot-wire and laser Doppler anemometry (LDA
2009-01-13 18:36
for high linearity, high dynamic range, and low-noise performance targeting ultrasound imaging and Doppler applications. Each amplifier feat
2009-02-13 10:19
for high linearity, high dynamic range, and low noise performance targeting ultrasound imaging and Doppler applications. Each amplifier feat
2009-01-22 14:37
本文针对移动通信中的无线信道特征进行综合分析，通过运用Matlab软件求解出离散线性时变系统以及滤波器的相关参数作为无线信道最主要的特征。同时，提取了多径时延扩展、Doppler扩展以及角度扩展等重
2018-01-25 10:59
