预分频 meaning in English
gptmtnpr
prescale
Examples
- The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer . two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors , and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques , and the prescaler using dynamic circuit techniques ) are proposed . then , the complete pll frequency synthesizer is implemented , in which
压控振荡器和双模预分频器是锁相环型频率合成器中最关键的两个模块，本论文分别实现了两种类型的压控振荡器（采用对称螺旋型电感和差分二极管型容抗管的正交压控振荡器和使用mos型容抗管的大调谐范围压控振荡器）和两种类型的双模预分频器（使用相位开关技术的双模预分频器和使用动态电路技术的双模预分频器） 。 - In the paper , prescale technology , interpolate method , averaging method and multiple period synchronization method are used to measure the frequency accurately . diode demodulating technology , and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave . isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region
本文采用预分频法、内插法、多周期同步法、平均法实现了频率的精确测量;利用二极管检波技术,结合衰减法或探针耦合+水负载技术实现了大功率微波功率的测量;采用恒温技术提高了二极管检波器稳定度;完成了单片机串口通信协议设计和系统电磁兼容的分析和设计。