1) frequency multiplication phase-lock
倍频锁相
1.
The new technology uses FPGA to achieve frequency multiplication phase-lock,with a new multi-cycle synchronous frequency method to track the frequency,and uses QUARTUSⅡto design.
为减少同步时钟计数位数、缩短微处理器处理数据所消耗时间,达到快速测量场合下高速、高精度的测频要求,介绍了一种实时在线监测中的频率跟踪技术,它采用现场可编程门阵列实现倍频锁相,用新型多周期同步测频法跟踪频率,通过QUARTUSⅡ进行设计。
2) phase-locked frequency multiplication
锁相倍频
1.
This paper introduces the working principle of the phase-locked loop circuit CD4046 and double D trigger CD4013,and gives the realization of phase-locked frequency multiplication based on CD4046 and CD4013 in automatic register controller syste
介绍了锁相环集成电路CD4046和双D触发器CD4013的工作原理,给出了在自动套色控制系统中利用CD4046和CD4013实现的锁相倍频电路。
3) frequency multiplication phase-locked
锁相倍频
1.
Aiming at the existing problem in harmonics measurement of power system,the paper(presented) a collecting method based on frequency multiplication phase-locked.
针对电力系统谐波测量方法存在的问题,提出了一种基于锁相倍频采集方法。
2.
The tested part adopts a referenced command current optimize PWM detecting method based on signal s time domain vertical property,and high speed simulating switch is controlled by frequency multiplication phase-locked circuit and EPROM unit.
其中检测部分采用了基于信号时域正交特性的参考指令电流优化PWM检测方法,并通过锁相倍频电路和EPROM单元来控制高速模拟开关,电路简单,便于实现。
3.
The paper, for the harmonics detection method used in Power system, presents an sampling method based on frequency multiplication phase-locked.
本论文主要针对电力系统中采用的谐波测量方法而提出的一种基于锁相倍频采集方法,通过锁相环对电力波形进行实时跟踪,既解决了频谱泄漏对谐波测量精度的影响,又实现了快速的,准确的,实时性的测量。
5) Phase Locked Loop Frequency Doubler
锁相环倍频器
6) phase locked double frequency subdvision
锁相倍频细分
补充资料：相倍
1.见"相背"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条