| 1. | Application of scanning velocity modulation circuit in digitalized color tv receiver 扫描速度调制电路在数字化彩电中的应用 |
| 2. | The number of discrete signal elements that can be transmitted in a given modulation scheme 在给定调制电路中能被传送的离散信号码元数。 |
| 3. | The laser source was modulated by the modulation circuit , so that the fluorescence signal was modulated 信号调制电路通过对传感器系统的激光光源进行调制来调制荧光信号。 |
| 4. | The circuit is composed of two parts : one is to modulate optical source and the other is to process faint photoelectricity signals 此电路包括光源调制电路和微弱光电流信号检测调理电路。 |
| 5. | As fcg ' s performance depends on the load greatly , the power conditioning circuit should take both fcg and the load into account 由于fcg的输出与负载密切相关,调制电路模型需要与fcg和负载结合起来考虑。 |
| 6. | In order to solve the problem of weak fluorescence , the signal modulation circuit and signal demodulation program were designed 针对荧光信号比较微弱的问题,本文设计了光纤倏逝波生物传感器系统的信号调制电路和信号解调程序。 |
| 7. | Chapter 3 introduce the circuit design of wide band digital t / r module transmission channel . chapter 4 introduce the fpga software design of wide band digital t / r module transmission channel 第三章介绍了宽带数字t / r组件发射通道试验电路的硬件设计,包括光纤接口电路、 ddws电路、正交调制电路的设计。 |
| 8. | In order to drive a high impedance load such as hpm sources , it is necessary to commutate fcg ' s long pulse width , high - current and low voltage pulse to a short pulse with high voltage 为用fcg驱动象hpm源这样较高阻抗的负载,必须使用脉冲功率调制电路把fcg产生的低电压、大电流、上升时间长的电压脉冲转化为高电压、上升时间短的脉冲。 |
| 9. | At last , an orthogonal test designing method is proposed to study the influences of various fcg and power conditioning circuit parameters on the system performance , to find out those most influential factors and to make them optimized 最后文中提出应用了正交试验设计方法对影响fcg和脉冲功率调制电路性能的参数进行研究,以此来确定影响系统运行的主要因素和优化参数的努力方向。 |
| 10. | The modulation circuit utilized the vector modulation technology based on fourth - harmonic mixer . the lo frequency is only quarter of carrier frequency . direct high speed qpsk digital modulation of millimeter wave signal can be realized with fairly simplified lo circuit 调制电路采用了以四次谐波混频器技术为核心的矢量调制技术,利用1 / 4载波频率作为本振信号,实现了对毫米波信号直接进行高速qpsk数字调制。 |