The coupling visibilities ( CV) of temperature sensor heads were measured with phase lock loop technique. 采用锁相环技术测试了各传感器的分光可见度随温度的变化关系。
Digital phase lock loops are widely adapted in nowadays communication systems. However, it is difficult to design the loop parameter precisely. 数字锁相环在实际通信系统中应用广泛,但其精确的环路参数设计比较困难。
Point to disturbance and real-time command in the process of phase lock for digital UPS, design of phase lock arithmetic based on TMS320LF2407A was proposed in this paper. 针对数字化UPS锁相中存在的干扰和要求实时性较强的问题,提出基于TMS320LF2407A芯片的逆变锁相算法。
The frequency and phase lock loop has been applied for the carrier recovery of VSB transmission system in high definition TV. 目前,锁频锁相环在高清晰度电视VSB传输系统载波恢复中得到了应用。
Phase lock Doppler tracking system 锁相多普勒跟踪系统
Phase Lock Measuring and Controlling Power Supply System Based on Power Line Carrier Communication 基于电力载波通信的供电锁相测控系统
The Theory Research and Circuit Design of CMOS Integrated Charge-Pump Phase Lock Loop CMOS集成电荷泵锁相环的理论研究与电路设计
Reference sinusoid circuit of grid-connected photovoltaic system based on software phase lock technique 基于软件锁相技术的光伏并网系统基准正弦电路
A Design of Charge-Pump Phase Lock Loop Based on CMOS Technics 基于CMOS工艺的电荷泵锁相环的设计
To meet the requirements of the target radio frequency ( RF) hardware-in-the-loop simulation of the radio detonator, a method using a special phase lock loop ( PLL) is presented. 针对某型导弹无线电引信目标射频半实物仿真的需要,提出了一种特殊的环路锁相方法。
Principle and Effect of the Phase Lock Loop in Phase Noise Measurement 锁相环在相位噪声测试中的工作机理和影响
Design of SDH/ SONET Tributary Clock Jitter Attenuation Digital Phase Lock Loop SDH/SONET支路时钟抖动衰减数字锁相环设计
The circuits used are Chua'circuit and phase lock loop. 所用的电路为蔡氏电路和锁相环电路。
The paper analyses the system operation principle and the design of phase lock loop. Simultaneously, the paper proposes the control block of the system and phase lock loop program flow chart. 文中详细分析了系统的工作原理和锁相环设计,同时给出了系统的控制框图和锁相环程序流程图,并进行了样机实验。
, A digital phase lock loop is used to ensue the resonant inverter work in the desired state. 文中还对并联谐振逆变器的各种可能的工作状态进行深入了分析,指出为了保证其可靠运行并联谐振逆变器应工作小容性准谐振状态,采用了基于DSP的数字锁相控制策略;
How to raise the phase lock speed of embedded DPLL is researched. 对如何提高嵌入式全数字锁相环的锁定速度进行了研究。
This paper mainly discusses the design and the application of the IGBT phase lock control circuit controlled by the induction heating power supply. 本文主要介绍IGBT锁相控制电路在感应加热电源控制系统中的设计和应用。
The Digital Phase Lock Loop ( DPLL) is the core of the coherent demodulation. 数字锁相环路(DPLL)是数字相干解调技术的核心。
The clock system is usually made up of clock distribution network and phase lock loop ( PLL). 时钟系统由时钟源(一般是锁相环)和时钟分布网络组成。
A dither control method using phase lock technology is presented and a controller is developed. 本文提出了用锁相环跟踪抖动机构自然频率漂移的方法,设计了一种新型抖动控制器。
The important content of the thesis is the design and research of the phase lock system. 本课题的研究重点就是AFM系统锁相检测设计与研究。
In the new scheme proposed, the phase lock loop is avoided and the digital logical circuit is used. 该方案利用信号自身的特性,采用数字逻辑设计,有效避免了性能不高的锁相环的使用。
Unlike the other digital phase lock control, this technique is based on a frequency-variable asynchronous modulation algorithm. 与其它数字锁相技术不同的是,该技术基于一种可变频的异步调制算法。
Digital phase lock loop is used in this section to synchronize to an incoming serial data stream. 数据接收解码模块中使用了数字锁相环技术从输入数据码流中提取出同步时钟信号。
PLL ( Phase Lock Loop) technology is employed to realize the frequency tracing and constant phase angle control; 通过采用锁相环技术实现了逆变器工作频率的自动跟踪和容性逆变角度的恒值控制;
Application of PLL ( phase lock loop) and VCO ( voltage control oscillator) implements high precision time measurement; 使用锁相环(PLL)和压控振荡器(VCO),实现了高精度的时间测量;
And then introduced the basic theory of the frequency source are introduced, and phase lock loop synthesis technology. 然后介绍了频率源的基本理论,着重介绍了锁相环合成技术。
First modular design the three-phase phase lock loop, which realizes functions of the phase discriminator, loop filter and NCO. With the top connections finished, the whole three-phase PLL design has completed. 首先对三相锁相环进行模块化设计,然后分别实现了鉴相器、环路滤波器和数控振荡器的功能,最后经过顶层连接,完成了整个三相锁相环的设计。
Put forward the rotor position method of rotor magnet flux calculation with phase lock loop. 提出了转子磁链计算和锁相环相结合的转子位置估算方法。
Phase lock loop is used to control rotor speed. 对于转子速度,本文采用锁相环进行控制。