2) lock time
锁定时间
1.
The low phase noise and fast frequency switch lock time are the most important target of FH frequency synthesizer.
跳频通信是通信抗干扰的重要措施,跳频频率源是实现跳频通信的核心部件之一,低相位噪声和快速的频率转换锁定时间是跳频频率源的主要指标。
2.
This paper analyses and simulates the lock time of the PLL frequency synthesizer,and gives the solution for various approaches to frequency-switching.
文章对锁相环频率合成器的锁定时间进行了分析与仿真,介绍了各种途径频率转换快速锁定的解决方案,采用其中的基于DDS分数分频的锁相环频合器方案,实现了S波段宽带跳频频合器测试,结果表明:在频率间隔为500MHz时,相位锁定时间为110μs,且相噪低、频谱纯度高,可大大提升系统性能。
3) locked time
锁定时间
1.
The phase recursive equation of loop on the triple-order loop for the first time has gained,and simulation is made on locked time with respect to the signals of both constant frequency and stepped frequency.
以三阶环路为例,首次推导环路的相位递归方程,并对频率固定信号和频率阶跃变化的信号分别进行锁定时间仿真,验证了仿真的正确性。
2.
In DPLL design,locked time and locked range is a pair of contradictory.
针对数字锁相环中环路的锁定时间和锁定范围这一对相互制约的因素,改进了传统的Hilbert变换鉴相器,融合模糊逻辑的非线性推理和微分控制算法,优化环路滤波器参数,充分发挥微分控制的"预测"作用。
4) locking time
锁定时间
1.
A new architecture of charge pump for lowing locking time of phase locked loop (PLL) is proposed.
设计了一种减小PLL锁定时间的新型电荷泵。
5) time-release cryptography
时间锁定技术
6) left hand lock time
左侧锁定时间
补充资料：眉间锁
1.紧皱的双眉。喻忧愁的面貌。
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