What is the instantaneous speed?
那何为瞬时速率呢？
The Internet is remarkable for the almost instantaneous speed at which it transmits information.
英特网对那几乎它传输数据的即时速度是显着的。
In order to accurately measure speed, ensure the real-time measurements and require instantaneous speed can be measured.
为了能精确地测量转速，还要保证测量的实时性，要求能测得瞬时转速。
Thus, although instantaneous speed is a physical reality, there is difficulty computing it for lack of a precise definition.
这样，虽然瞬间速度物理真实存在，很困难去计算，因为缺乏精确定义。
An experimental unit for measuring instantaneous speed of high speed train passing through tunnel with a photoelectrical switch is designed.
设计了一套采用光电开关测量高速列车进出隧道瞬时速度的实验装置。
Its real-time speed values are directly displayed by LED, and instantaneous speed values are also displayed by the push-buttons and prior setting speed values.
它的实时转速值通过L ED显示非常方便直观，还可以通过按键显示瞬时转速值，事先设定的转速值。
This paper introduces a new method for measuring the compression pressures of tank engine in the way of measuring instantaneous speed of crankshaft without disassembly.
现提出一种利用曲轴瞬时转速，进行不解体检测坦克发动机汽缸压缩压力的方法。
Introduces a measurement method of instantaneous speed of rotation and dynamic process of speed of electric machine by means of single chip microcomputer and photoelectric transducer.
介绍了一种利用单片机和光电转速传感器来测量电机瞬态转速及电机转速变化过程的方法。
Speed -- As tmpfs resides in RAM, the reads and writes are almost instantaneous.
速度 ―因为tmpfs驻留在RAM，所以读和写几乎都是瞬时的。
According to the researchers, the “most surprising and exotic feature” of the flocks was their near-instantaneous signal-processing speed.
根据研究者的看法，这种鸟群最令人惊讶和异乎寻常的特点是它们可以几乎瞬时的信号处理速度。
For speed and efficiency, this virtually instantaneous medium is one of the most convenient features of modern life.
对速度和效率，这几乎是瞬时介质是最方便的特点，现代生活。
Yet this epoch - making discovery causes another dilemma : it contradicts newtons law of gravity which implies that gravitational force is instantaneous , that is having infinite speed.
可是这一划时代的发现却带来另一项矛盾：它和牛顿重力学暗含的瞬时重力影响大相迳庭。
In the rolling procedure of cross wedge rolling, the technological parameters and instantaneous rotational speed ratio of workpiece and roller have intimate and complicated relationship.
轧件与轧辊的瞬时速比和楔横轧工艺参数之间存在着十分密切而复杂的联系。
Getting instantaneous corrosion speed and average corrosion speed and so on.
可看到瞬时腐蚀速度和平均腐蚀速度。
And the measurement system of speed, instantaneous torque and SSS clutch displacement signal are discussed.
重点说明了转速、瞬时扭矩和SSS离合器中间件位移的测量系统。
The instantaneous moving mode of sand mass is divided into 4 types, namely: rolling, jumping, suspending, and running away, when the wind speed reaches the threshold velocity of sand-driving wind.
文章研究将沙粒在风速达到沙粒的起动风速时沙粒的瞬间起动方式分为4种，即：滚动、跳跃、悬浮和飞扬4种。
Young female long jump two levels of athletes take off to the board instantaneous, the center of gravity speed scaled height of burst horizontal athlete is much slower.
少年女子跳远二级运动员起跳离板瞬间，重心速度比高水平运动员慢得多。起跳腿的膝角和髋角也小于高水平选手。
This paper presents some experimental results of the instantaneous macro-speed of diesel fuel spray and the micro-speed of droplets in a diesel fuel spray by using double pulse holographic technique.
本文介绍利用双脉冲激光全息术研究柴油机喷雾油束的宏观运动瞬时速度和喷雾粒子的微观运动速度。
This ship oil discharge monitoring and control system can measure signals of oil density, flow and ship speed by sensors and calculate instantaneous oil discharge rate and total oil discharged.
所研制的排油监控系统能够通过传感器来测取油份浓度，流量和船速信号，并经计算机计算出油量瞬时排放率和排油总量。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法，用瞬时无功功率和励磁电流变化来估计电机转速。
Traditional analog receiver has the following characteristics, such as high processing speed, wide instantaneous bandwidth, high intercept probability.
传统的模拟接收机，处理速度快、瞬时带宽大、截获概率高。
The significant factors which exert an influence on instantaneous fluctuation of motor current are in sequence :Vari-speed wave form, vari-speed amplitude and vari-speed frequency.
在变速参数中影响电机瞬时电流波动最为显著的因素依次为变速波形、变速幅度和变速频率。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
摘要：旋转机械测试中，振动信号通常是随机非稳态信号，必须进行振动和转速信号同步分析。
And a new hybrid speed identification method is also proposed, which based on the neural network, combines the open loop estimator and the instantaneous reactive power model reference adaptive system.
介绍了异步电动机矢量控制系统神经网络速度控制器的设计方法；同时提出了将开环直接计算与模型参考自适应方法相结合的神经网络混合转速辨识模型。
And a new hybrid speed identification method is also proposed, which based on the neural network, combines the open loop estimator and the instantaneous reactive power model reference adaptive system.
介绍了异步电动机矢量控制系统神经网络速度控制器的设计方法；同时提出了将开环直接计算与模型参考自适应方法相结合的神经网络混合转速辨识模型。
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