Any subtle change of capacitance can be measured through the method of modulation on high - frequency harmonic oscillation return circuit 电容的微小变化可通过对高频谐振回路调制的方法进行测量。
The first natural frequency map in working space was drawn , which can be useful for selecting proper working position to avoid resonance or low - order harmonic oscillation 讨论了频率求解精度、收敛性与单元横向弹性位移型函数以及单元数量之间的关系。
Analysis and tests show that by using slope compensation , the open - loop instability , sub - harmonic oscillation , non - ideal closed - loop response and noise etc . when duly cycle above 50 % , can be reduced or eliminated 理论分析与试验表明,通过引入斜坡补偿可以抑制或消除占空比超过5 %时的开环不稳定性、次谐波振荡倾向、不理想的闭环响应、噪声等。
It can make the analysis report on the basis of the abstract nation standard . based practical analog analysis in some partial power net , obtain the harmonic oscillation characteristic curve , and verify the software is right 通过对某局域电网的实例仿真分析,结果表明,获得了谐波谐振特性曲线,还根据实际测试数据,恢复了电网实际电压电流波形,验证了软件的正确性。