查询词典 impulse response

The requirements for the specific impulse and mass-to-thrust ratio of the bipropellant and tripropellant engine are studied, and the calculated isolines of vehicle dry mass variation with the average engine specific impulse and the sea-level engine mass-tothrust ratio are also given.

探讨了单级人轨运载器对液氧／液氢发动机和液氧／煤油／液氢三组元发动机比冲和质推比的需求，计算给出了运载器干质量随发动机比冲和质推比变化的等值线图。

It is quite straightforward to determine the rocket motor Total Impulse and propellant Specific Impulse from a thrust-time curve obtained from static testing.

这是很简单，以确定火箭发动机的总冲和推进剂的具体冲动从一个推力时间曲线所得的静态测试。

"Sensory neurons relay information from sense organs, motor neurons carry impulse s to muscles and glands, and interneurons transmit impulse s between sensory and motor neurons."

感觉神经元传递自感觉器官处传来的讯息，运动神经元则传递神经冲动至肌肉和腺体处，而联络神经元则负责传递感觉神经元和运动神经元之间的神经冲动。

CPT of each type of visual reaction was calculated by subtracting the sum of the visual impulse duration and the motor impulse duration from reaction time (CPT = reaction time-[P100 latency + total motor conduction time]).

计算时间反应每一类型的CPT时需从反应时间中扣除视觉冲动过程和运动冲动过程的和。

CPT of each type of isual reaction was calculated by subtracting the sum of the isual impulse duration and the motor impulse duration from reaction time (CPT = reaction time-[P100 latency + total motor conduction time]).

计算时间反应每一类型的CPT时需从反应时间中扣除视觉冲动过程和运动冲动过程的和。

The advantages of this invention are the following: backmixing non-conjugated grating pair Martinez impulse stretcher and compressor are applied in the multiple-pass enlarger with material of low dispersion and can effectively compensate the material dispersion in the enlarger and reduces the deformation of femtosecond impulse.

本项发明的优点在于，逆向混合非共轭光栅对马丁内兹型脉冲展宽器-压缩器适用于具有较低材料色散的多通放大器，可有效地补偿放大器中的材料色散，减少飞秒脉冲的畸变。

The influence of impulse voltage waveshape on particle-initiated breakdown voltage of a GIS system in SF6 and SF6/Air mixtures is reported. The results are compared with the characteristics of air gaps. For the SF6 gaps, breakdown voltage depends on wave-front duration but almost independs on wavetail duration. For the gaps in SF6/Air mixtures, the influence of impulse waveshape also depends on SF6 contents and electrical field non-uniformity

作者研究比较了正极性冲击电压波形对SF_6、空气、SF_6/空气的 GIS 电极装置由固定导电微粒引发的击穿电压的影响，结果表明：SF_6间隙的击穿电压受冲击电压波前时间长短的影响较大，而与波长的关系不大，当采用SF_6/空气混合气体时，则这种影响随SF_6含量增大而愈明显，并与电场不均匀程度有关。

Tests were carried out using ±1 000 kV simulation tower in this paper, and switching impulse and lightning impulse flashover characteristic curves of typical air gap in ±1 000 kV transmission tower were obtained. These curves were compared with test results of ±500 and ±800 kV air gap, and the flashover characteristic of 750 kV AC transmission tower and square tower window were also discussed in this paper.

利用±1 000 kV模拟塔头进行试验，得到了±1 000 kV杆塔典型空气间隙的操作冲击和雷电冲击放电特性曲线，并与±500和±800 kV杆塔塔头的空气间隙研究成果进行对比分析，同时结合750 kV 交流杆塔塔头和正方形塔窗的操作冲击特性进行了讨论和分析。

The instrument change speed of revolution to impulse signal by photoelectric transducer and as input signal of 8031 uniwafer-computer, then count input signal of revolution speed impulse through Time/Counter of 8031, thus revolution speed was measured.

此电压测量装置利用光电式传感器把转速信号转换为脉冲信号，作为输入信号通过8031单片机的定时器/计数器对输入的转速脉冲信号进行计数，来测量转速。

In order to compute the impulse grounding resistance of extended grounding electrode accurately, using a nonlinear differential circuit model, this paper introduces a method for computing the impulse grounding resistance based on the spark discharge characteristic of the earth.

为较准确解决伸长接地体冲击接地电阻的计算问题，采用非线性差分电路模型，导出了一种考虑土壤火花放电特性的伸长接地体冲击接地电阻的计算方法。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。