sub harmonic meaning in English

分谐波

Shg sub harmonic generator
次分谐波发生器
( 3 ) we investigate the nonlinear dynamics of the inverted pendulum system in 1 / 1 internal resonance and 1 / 2 sub harmonic resonance . using the multiple method of scale , the averaged equations of the inverted pendulum system are obtained
( 3 )应用多尺度方法研究了倒立摆系统在内共振和1 / 3亚谐共振情况下的非线性动力学响应，得出系统的平均方程，得到了系统的频率响应方程,对周期解和局部分叉进行了分析。
First , an analysis for the design of the impulse phase lock oscillate , which includes impulse phase detector the dielectric resonant oscillate etc . secondly , presents an analysis for the design of wide band balanced low noise amplifier . the last two part simplify the theory and the electrical characteristics of the sub harmonic mixer , and the mmvco
第一部分着重介绍了脉冲锁相源的工作原理(主要包括取样鉴相器和介质稳频的压控振荡器) ,并介绍了研制结果的性能指标;第二部分介绍了平衡式宽带低噪声放大器的基本理论