pulse value

Owing to GPS clock, which has no accumulative error, and quartz oscillator, which is very stable, the time counting value is obtained without delay via hardware by combining high speed sampling and PPS ( Pulse Per-Second)-snapping.

利用GPS时钟无累计误差和高精度晶振频率稳定性高的特点，并将高速采样与秒脉冲捕捉有机结合，通过硬件方式无延时地捕捉秒脉冲以获取精确的时间计数值。

The dynamic process of a Q switched double pulse ruby laser with μ s time separation is presented. The approximate value of Q switch control voltage is deduced and the design of main control circuit and the tested results are given.

阐述了μs时间间隔红宝石双脉冲Q开关激光器的动力学过程，求出Q开关电压峰值的近似值，并给出主要控制电路的设计和测试结果。

The analytical results show the threshold condition of low gain excimer laser is fundamentally different from the cw laser in short gain pulse, and depends on time integrated gain coefficient that has to exceed a critical value.

所得到的结论显示，在增益脉宽很短时，低增益准分子激光和连续激光的阈值条件完全不同，取决于时间积分增益系数要大于一临界值。

During these months the fluctuations are more intense despite of a downward tendency of pulse value.

在存在影响的16个月中，脉冲值虽然呈现了一个下降的趋势，但波动是比较剧烈的。

Under the same conditions, thesaturation value of the optical pulse energy can be raised nearly to2 times by making use of aback tilted electron pulse.

指出在同样条件下利用后倾的电子脉冲能够提高光脉冲能量的饱和值近一倍。

It is found that selecting appropriate value of duty cycles of Gauss light pulse signal, frequency chirp and the roll-off factor of raised cosine pulse signal produced by the equalizer of an optical receiver can improve the sensitivity of the optical receiver.

发现适当选取高斯光脉冲信号的占空比、啁啾分量、光接收机均衡滤波器输出的升余弦频谱波形滚降因子的值可以提高光接收机灵敏度；

Step movement test was adopted to test the pulse in instant 5 minutes, the maximum oxygen uptake was found on Astrand liner chart according to the examinee's pulse and weight then calculated the relative value.

用台阶运动试验测5min即刻脉搏，根据此脉搏和被测者体重在Astrand列线图上查出最大耗氧量估计值，并按体重计算最大氧耗量相对值。

Value of Indocyanine Green Test by Pulse Dye-Densitometry to Evaluate Liver Dysfunction of Hepatic Carcinoma Patient Undergone Hepatectomy

脉搏染料光密度法吲哚氰绿排泄试验对评价肝癌切除术后肝功能不全的价值

Taking the basic pulse tube cooler for example, the thesis calculates optimal diameter of the regenerator and value of the optimal work frequency by processing the program, which provides a new idea for how to further improve the working structure of the pulse tube cooler.

本文以基本型脉管制冷机为例，通过编制程序，计算得出了系统的最佳回热器直径和最佳工作频率值。

By changing the plate distance, discharge electrode distance and the value of pulse forming capacitor, the paper researches the influence of those changes on ns high voltage pulse waveforms. The results of the experiment provide basia for the design of the electrode configuration.

通过改变收集极板间距、放电极邻距及脉冲成形电容值，研究这些参数变化对高压ns级脉冲波形的影响，为设计脉冲电晕脱硫反映器内部电极结构提供了实用性实验依据。

Therefore, the value of narrative history is not so much to look back in order to meet the nostalgic feelings, rather in order to grasp the history pulse to guide the present and the future.

因此，对历史的叙述之价值，与其说是为了回首往事以满足念旧之情怀，毋宁说是为了把握史脉以指引当下与未来。