当脉冲干扰占空比较小时,干扰能量集中,导致直接序列扩频(DSSS)系统的误码性能较差。
The performance of Direct Sequence Spread Spectrum(DSSS) in severe pulsed noise interference will be badly degraded when the duty factor is small.
借助于向量李雅谱诺夫函数,通过建立一个新的比较结果,研究了具有固定时刻脉冲的控制系统的实际稳定性。
Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.
运用比较原理和导数不连续的李雅普诺夫函数,结合分解集结等方法,研究具有滞后的测度型线性时变脉冲扰动大系统的全局指数稳定性。
The stability of time-delay and time-varying large scale systems with impulsive effect is investigated by means of the comparison principle and vector Lyapunov function with discontinuous derivative.
系统包括CCD驱动脉冲产生电路、低噪声测量放大电路、自适应比较电路、单片机控制电路以及上位机处理程序。
The system consists of driving pulse generating circuit for CCD, instrumental amplifier with low noise, MCU controlling circuit and PC program for dealing with the data conveyed by MCU.
对宽度调制的脉冲系统的分析比较困难。
It is difficult to analyse the sampling Control system with pulse width modulation.
数字化设计是本系统的特点,系统最终生成的三相spwm脉冲是基于三相正弦调制波和三角载波比较得到的。
Digital design is the main character of this system. The three-phase SPWM pulses are generated through sine wave compared with triangular wave.
介绍了一种采用数字脉冲比较器的数控机床伺服系统的工作原理及主要功能部件。
This paper introduces the working principle and main function parts of the digital control machine tool servosystem using digital pulse comparator.
该激光脉冲调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中,取得了比较理想的效果。
The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.
该系统通过JFD-301校准脉冲发生器对标准波形进行校准及比较法,可测量出局部放电的视在电荷量。
Owe system the amounts adjusting a circuit carrying out calibration and comparison method on standard wave form , may measure out part discharging looking at in electric charge by JFD-301.
通过本文研究,对脉冲功率源系统的放电特性有了比较深入的了解,对于优化脉冲功率源系统设计,提高系统性能具有一定的指导意义。
According the research of this paper, deeply comprehend the discharging characteristic of pulsed power system. It has a guiding significance to optimize the design of pulsed power system.
然后,应用脉冲微分方程理论里的比较系统方法,首次用来研究部分线性系统的投影同步问题。
Then, we first use the impulsive control approach to control the scaling factor of projective synchronization onto any desired scale.
然后,应用脉冲微分方程理论里的比较系统方法,首次用来研究部分线性系统的投影同步问题。
Then, we first use the impulsive control approach to control the scaling factor of projective synchronization onto any desired scale.
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