计算FR4上的差分阻抗(PDF)
Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for d...
Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for d...
Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this motion into a forward and backward whil orbits. The ...
ACPR (adjacent channel power ratio), AltCPR (alternatechannel power ratio), and noise are important performancemetrics for digital communic...
A new cable fault location method based on wavelet reconstruction is proposed. In this method the difference between the currents of faulty phase an...
本文主要介绍了一种基于FPGA和单片机的高精度数字频率计的设计与实现。51单片机实现计算功能,液晶屏完成数据显示,FPGA对被测信号计数并将测量结果发送给单片机。实现了频率范围为1Hz~10MHz、有效电压范围为50mV~1V的正弦波信号频率和周期的测量;以及频率范围在100Hz~1MHz、峰峰值电...