脉冲时间

As the most important objective parameters,reverberation time and clarity play significant roles in acoustic field characteristics evaluation of the hall.

目前有关混响时间和清晰度等音质参数测量比较成熟的方法是通过测童房间的脉冲响应函数，然后利用反向积分等方法获取l卜2】。

Ranging in many methods, ranging pulse ultrasonic method only measured in the measurement points and the round-trip time between the target and achieve a simple, this system uses this approach.

在许多测距方法中，脉冲测距法只需要测量超声波在测量点与目标间的往返时间，实现简单，因此本系统采用了这种方法。

Via counting the input counter spot frequency clock pulse in the ultrasonic round-trip time,the measurement dis-tance is displayed.The algorithm is novel.

该数字式超声波测距仪对超声波从发射到返回的时间内输入到计数器特定频率的时钟脉冲进行计数，进而显示对应的测量距离。

Studied the effect of irradiation at different length of time an different pulse-gap on the growth of Saccharomyces cerevisiae cell.

15〕学的影响，辐射，在不同的时间有不同的脉冲间隙对酿酒酵母生长细胞。

An oxygen-bubble and white-light speckle velocimetry method is presented.Instead ofpulsed laser and commonly used particle,a sheet like-bubble mass generated from anade wire byeletrolysing water is used as particle tracer,a white light flash set controlled by digital time delaycircuit is used as double pulsed light source,and 2-D velocity distribution in a sectional planewithin flow field can be obtained without using light sheet technique.

提出了一种氧气泡粒子白光散斑测速技术，与以往散斑测速方法不同的是，采用电解水时电解阳极丝上产生的氧气泡做为流场示踪粒子，用两个闪光时间间隔由数字延时电路控制的普通闪光灯做为散斑底片拍摄时的双脉冲光源，并且勿需片光技术，即可获得流场内部一个截面上的二维速度分布。

This article argues that full-parallel algorithms of traditional sigmoidal neural networks based on average fire rate which have excluded useful time operation seem improper for the invariance.

郭雷(西北工业大学自动控制系，西安 710072)本文表明传统的基于脉冲平均点火率的人工神经网的全并行计算是不妥的，因为它不能进行时间操作。

Then, in Silex-Ⅰ laser, the systemic time resolution was measured, the systemic risetime is 130 ps.

利用该系统，在上海神光Ⅱ装置开展的实验中，时间分辨好于215 ps，观测到了激光脉冲调整后辐射温度随时间的变化。

An efficient sparker for a pulse powered underwater acoustic source for minesweeping is capable of repetitive discharges at about 15Hz for at least one hour without replacement or maintenance.

水下扫雷用的、用于脉冲水下声源的高效火花发生器能够重复放电，频率约为15 Hz，持续时间至少1h，无需更换和维护。

With the development of technology, it maybe possible to generate SR pulse with long interval in large storage ring by this kind of mechanical chopper, but it is impossible in a small ring.

随着技术的发展，采用Chopper有可能在周长很大储存环上产生严格的长时间间隔的SR脉冲，但是对于周长小的储存环，这种方法不可行。

Use the time-based gating singal created by time-delay to control the strobe. Compute the frequency with the help of the number of pulses recorded by the counter in specific time, then screen the result on the LCD.

利用延时产生的时基门控信号来控制闸门，通过在单位时间内计数器记录下的脉冲个数计算出输入信号的频率，最终送入LED中显示。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。