针对传统超前-滞后型数字锁相环实现同步速度较慢的缺点,提出了一种基于步进和量化调整的数字锁相法的快速位同步方法。
Traditional Lag-Lead synchronous DPLL shortcomings slow. In order to solve this problem, proposed a method for FPGA-based realization method of fast bit synchronization.
着重分析了电流参考信号超前角(滞后角)、系统参数和驱动方式对无刷直流电动机系统动态性能的影响。
The influence of the leading Angle (lagging Angle) of the current reference signal the parameters and drive mode of the system to the dynamic characteristics are analyzed.
本文研究了既有滞后量又有超前量的一阶中立型常系数微分方程的振动性,得到了其振动的几个充分条件。
In this paper, we have studied the oscillation of the first order neutral functional differential equations with delay and advanced argument, obtained, some sufficient conditions extended and impoved.
着重研究了隔离环稳定回路的一种校正方案,通过采用超前滞后网络对横滚隔离光纤捷联惯导稳定回路进行校正。
The approach is called lead and lag correction which has been adopted to correct the stabilization loop of roll-isolated fiber optical gyro strap-down inertial navigation system (RIFOGSINS).
重点讨论了超前管、滞后管实现零电压开关的差异以及副边占空比丢失的原因。
The difference of leading switches and lagging switches to realize the zero-voltage switching and the reason of duty-cycle loss is emphatically argued.
为了实现软开关,引入超前管和滞后管的概念。
The concept of leading switches and lagging switches is introduced to realize soft-switching.
研制了电流模式零电压零电流开关TIG焊机,其超前臂实现了零电压开关,滞后臂实现了零电流开关。
A current mode zero-voltage and zero-current switching (ZVZCS) inverter TIG welding machine is developed in this paper, which realizes ZVS for the leading leg and ZCS for the lagging leg.
段祺华的想法过于超前,而当时的政策仍然滞后。
The problem was that Duan's plan was ahead of its time, while official policy at the time still lagged behind.
本文讨论了如何利用MATLAB的控制系统工具箱设计串联超前一滞后校正装置,并对校正后的控制系统进行了仿真。
In this paper we will discuss how to use Control System Toolbox to design a cascade lead-Jag compensator, to run and to simulate it's program under MATLAB.
调整超前滞后环节的补偿角度使信号相位相对于时滞作用反向偏移,从而削弱时滞对系统动态性能的影响。
The angle compensation provided by lead and lag component is contrary to the angle excursion caused by time delay. So the influence of time delay will be decreased.
这些公式适用于单级及多级的串联超前、滞后以及滞后——超前等各种校正器的设计。
These formula are suitable for various designs of correctors with single -, multi-stage series in leading, lagging and lagging-leading.
本文对自适应均衡中输入信号超前或滞后期待信号时,对均衡器的收敛特性造成的影响作了理论上的分析。
This paper analyzes the influence on the equalizer's convergent characteristic in self-adaptive equalization when the input signal exceeds or lags behind the expected signal.
在P ID校正中着重加强微分超前调节作用,缓解了系统相位滞后的问题,从而使系统得到较好的稳定度和响应速度。
It focuses on differentiation in PID adjustment, amends the phase lag problem and gets better systematic stability and response speed.
推导出液压伺服系统各元件的传递函数,并由此建立起位置伺服系统的数学模型,设计出超前—滞后校正控制器。
Derivates the transfer function of elements of the servo system, constructed the mathematic model of the position servo system and advance-lag revising controller was designed.
目前对延迟系统的超前和滞后同步研究的并不是很多,对这方面的研究可做为以后研究工作的重点。
Currently, the anticipated synchronization and lag synchronization in the time-delayed systems are not a lot, for the research in this area can be used as the focus of future research work.
设计的超前、滞后、滞后—超前和PID校正器,形式相同,实用价值大。
The designed lead, lag, lag-lead and PID controllers have same form and extensive practical value.
本文还对实现超前臂零电压开通和滞后臂零电流关断的核心元器件进行了参数优化设计。
For the parameter optimization. this article also analyzes the core components of achieving zero-voltage turn-on and ultra-forearm arm lag zero current shutdown.
本文还对实现超前臂零电压开通和滞后臂零电流关断的核心元器件进行了参数优化设计。
For the parameter optimization. this article also analyzes the core components of achieving zero-voltage turn-on and ultra-forearm arm lag zero current shutdown.
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