查询词典 synchronizing pulse

The function of integrated analog circuits realized with CPLD is discussed. Two methods of controlling the pulse width of monostable trigger are studied. One is realizing monostable trigger with external RC , the other is controlling the pulse width with external signal.

对用可编程逻辑器件技术实现模拟集成电路的功能进行了探讨，研究了实现单稳态触发器脉冲宽度控制的两种方法：用外接RC的单稳态触发器；用外部信号控制脉宽。

Using retriggerable monostable multivibrators to provide the trigger signal and double MOS driver to drive the LD, with a lot of experiments, emulations and comparisons, the variable frequency, pulse width and power driver circuit is designed. And the pulse frequency and width can be changed easily for its situations.

然后用电子多频振荡器提供驱动信号，用双MOS驱动器来驱动半导体激光器，通过大量的实验、仿真、分析、比较，设计出了方便可调的大功率LD的驱动电路，该电路的脉冲频率和脉冲宽度可方便调整。

The timing interval of the monostable circuit is retriggered continuously by the input pulse train as long as the pulse spacing is less than the timing interval.

单稳线路的时间安排间隔被再引起不断地被输入脉膊火车只要脉膊留间隔是少于时间安排间隔。

Finally, there is a part of the generated pulse Multivibrator Based on square wave can be generated, you can use it to generate a pulse signal.

最后还有一个部分就是脉冲的产生基于多谐振荡器可以产生方波，就可以利用它来产生脉冲信号了。

The time delay (T1) that NAND gate 403 takes to generate a falling edge in VIN plus the time delay (T2) that a falling edge in VIN takes to propagate through pulse width generator 404 to VOUT plus the time delay (T3) for flip-flops 401 and 402 to generate falling edges in the UP and DN signals after a falling edge in VOUT equal the minimum pulse width of the UP and DN signals (T1+T2+T3=MPW).

NAND门403在VIN中生成下降沿的时间延迟(T1)加上VIN中的下降沿通过脉冲宽度发生器404传递到VOUT的时间延迟(T2)再加上触发器401和402在VOUT中的下降沿后在UP和DN信号中生成下降沿的时间延迟(T3)等于UP和DN信号的最小脉冲宽度，即(T1+T2+T3=MPW)。

The intensity of pulse noisy pixels significantly differs from adjacent pixels of image. The de-noising will be accomplished by modifying the intensity of the noisy pixel according to the firing patterns of adjacent neurons of PCNN. At last, this dissertation suggests a new kind of filter for de-noising pulse noise based on the PCNN and median filter. It is very simple, and the simulation experiment of the image processing shows that the de-noising effect is much better than neighborhood averaging method and median filter.

一般脉冲噪声点与其所在图像像素灰度值之间相关性很差，而PCNN脉冲耦合神经网络能使相似神经元同步激发；这就决定亮点脉冲噪声像素对应神经元会在其区域所在相邻神经元中首先激发，为此结合中值滤波，我们提出了结合PCNN脉冲耦合神经网络和中值滤波的混合滤波新算法，理论分析和实验证明，该方案在滤除噪声的同时，比常规中值滤波更有效地保持了图像的高频细节信息。

The pre-programmed PIC supplies a 3.5 second current pulse to the nichrome wire igniter then a 2 second pause followed by another 3.5 second current pulse as a backup function.

该预先编程的事先知情同意用品一三点五秒电流脉冲到nichrome线点火，然后2秒暂停之后由另一3.5秒电流脉冲作为备份的功能。

By using the non-degenerate TPA absorption process between both of pulses, a novel project if explored for compressing and shaping the self-compression pulse induced by FCA, in which shaping of self-compression can be optimized by adjusting the initial delay time and control pulse energy. In addition, the operations of ultrafast all-optical modulation and logic NOR gate are achieved by utilizing the non-degenerate TPA effect.

应用脉冲之间的非简并双光子吸收过程，探索出了对受自由载流子吸收作用而形成的自压缩脉冲进行压缩整形的新方案，通过调节脉冲之间的初始时延和控制脉冲的能量，可以优化自压缩脉冲的质量；另外，应用此效应，也实现了超快脉冲对连续光场的全光调制和超快逻辑非门的操作，在光调制过程中，发现了色散和初始啁啾都将改变所形成的调制暗脉冲的调制深度。

Throuth computer simulation, we have numerically investigated the effect of pulse walkoff on optical pulse compression based on cross phase modulation in the normal dispersion regime of single mode fibers.

通过数值模拟，分析了脉冲离散效应对单模光纤正群速色散区基于暗孤子交叉相位调制的脉冲压缩的影响，并提出了减轻这种影响的办法。

The1Hz~lMHz input measured pulse signals of the digital frequency meter can be used for measuring frequency, period, pulse width and duty ratio,etc.The test results stably display 3 seven-segment numeric tubes, and the measuring ranges may be switched over automatically. The measuring error is equal to or less than 0.1％.

该数字频率计的lHz～1MHz输入被测脉冲信号具有频率测量、周期测量、脉宽测量和占空比测量等多种用途；其测试结果由3只七段数码管稳定显示，测试量程可自动切换、测量误差小于等于0.1％。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。