用半正弦脉冲作为激振，优化隔振系统。
The isolation system is optimized when the excitation is half sine acceleration.
研究多层堆码包装系统在半正弦脉冲激励下的冲击特性。
The shock characteristics of linear stacking packaging system were investigated under the action of half-sine acceleration pulse.
这个特定的半正弦脉冲对实际情况来说只是一个非常近似的模型。
This particular half-sine pulse is only a very approximate model for the actual state of affairs .
研究考虑易损件的正切型包装系统在半正弦脉冲激励下的冲击特性。
The shock characteristics of a tangent packaging system with critical components are investigated under action of a half-sine acceleration pulse.
该文首次将粒子群算法用于三电平正弦脉冲宽度调制开关时刻的优化。
Particle swarm optimization is firstly applied to optimize a three level voltage pulse width modulation inverter in this paper.
该传感单元由单端口谐振器和延迟线组成，激励信号采用间歇正弦脉冲串信号。
The sensor element is constructed by a one-port SAW resonator and a delay line. The input signal is an interval sinusoidal signal and its response is an oscillating signal.
本文介绍了一种新的正弦脉冲宽度调制(pwm)法在MOSFET逆变器中的应用。
A new sinusoidal PWM is present with using power MOSFET inverter.
应用该方法对理想混沌信号与调幅正弦脉冲进行分离以及对实测的湖底混响与调幅正弦脉冲进行分离。
With this method applied the separation of the AM sine pulse from the ideal chaotic signal and from the measured reverberation of the lake bottom are implemented.
利用付立叶逆变换，给出了半正弦脉冲激励下桩顶速度时域响应半解析解。分析了主要参数对响应的影响。
Then, a semi-analytical solution for the velocity response of the pile subjected to a semi-sine wave exciting force was derived by using invert Fourier transform.
通过分析声表面波谐振器对不同激励信号的响应，本文选用正弦脉冲串作为激励信号，来提高系统工作效率和传感距离。
Through the analysis of the response of resonator base on different pumping signals, sine burst is used for pumping signal of the system to improve the efficiency and detecting-distance.
如此设置的脉冲宽度和间距使它的加权平均值恰好是正弦波。
The pulse widths and spacings are arranged so that their weighted average produces a sine wave.
最后提出几个值得探索的研究方向，如：寻求一种新的适合分析非正弦窄脉冲的UWB系统的无线通信理论等。
Finally, several valuable research directions are put forward, such as seeking a new wireless communications theory adapted to analyze nonsinusoidal UWB impulse radio, etc.
对框架柱进行了局部挠曲模态的脉冲激励试验和正弦稳态扫描试验。
Impulse excitation and sine stable sweeping tests of local bending modes of the frame columns were conducted.
分析了正弦激励下的RLC电路作为脉冲功率电源的可能性。
Under sinusoidal excitation, the feasibility of utilizing RLC circuit as the impulse power source is analyzed.
数字化设计是本系统的特点，系统最终生成的三相spwm脉冲是基于三相正弦调制波和三角载波比较得到的。
Digital design is the main character of this system. The three-phase SPWM pulses are generated through sine wave compared with triangular wave.
大系统的模型最优简化的积分平方误差法，至今仅仅对输入函数为脉冲、幂函数和正弦函数时有效。
For optimal model - reduction of large scale systems, up to now, the integral-square - error method has been developed for systems with impulse, power or sine function inputs only.
本文第一次建立了在一个正弦型脉冲通过磁体期间考虑热效应时的瞬态电流方程。
In this article the equations of the instantaneous current, which take account of the thermal effect during a sine-shaped pulse current flowing in the magnet, are presented for the first time.
目前，国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。
Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.
本文重点讨论了曲轴橡胶减振器测试中常用的正弦扫描法和脉冲激励法。
Sine wave scanning method and pulse excitation method-common methods for the test of rubber absorbers are studied emphatically.
它不仅可以测量正弦波、方波、三角波、尖脉冲信号和其他具有周期特性的信号的频率，而且还可以测量它们的周期。
It can measure not only the sine wave, square wave, triangle wave, a sharp pulse but also can measure other characteristics of the signal wave.
研究了多重化逆变器的一种控制方法，采用逆推的方法确定各单元的触发脉冲，通过多重移相叠加原理得到正弦波输出。
A new control method of multiunit inverter is described, which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.
单个的非正弦波脉冲没有测速能力，但一组这样的脉冲即可进行速度测量，并且速度分辨力由距离分辨力决定。
While the single nonsinusoidal radar impulse is not capable of measuring target velocity, a sequence of such pulses can be used to measure the velocity.
因而本装置包括模拟量信号发生器、开关量信号发生器、串口信号发生器、脉冲信号发生器、正弦信号发生器、音频信号发生器和图像信号发生器。
Therefore, this device must design analog signals generator, digital signals generator, series signals generator, pulse signals generator, audio signals generator, and video signals generator.
讨论了输出正交正弦波的光栅尺（又称光栅线位移传感器）在位移测量中的脉冲细分原理。
The principle of pulse fine division in measurement of displacement by using grating scale (so called Grating line displacement transducer) with right-angled sinewave is discussed.
由此可见，波形整形设计的理想目标为具有较宽历时的半正弦应力脉冲。
This shows that the ideal goal of waveform shaping is half-sine stress pulse with a wider period of time.
本课题对一台高压高频逆变电源输出的正弦电压进行处理，将其设计成一台纳秒级高压高重复频率的脉冲电源。
This designation is to deal with the output sine wave of a high frequency and high voltage power supply, the aim is to develop a high voltage and high frequency nanosecond pulse generator.
按信号波形可分为正弦信号、函数(波形)信号、脉冲信号和随机信号发生器等四大类。
According to the signal can be divided into sine wave signal, function (wave) signals, pulse signals and random signal generator, and other four major categories.
(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列，用来近似正弦电压波。
SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves.
经脉冲分配器和功率放大后控制步进电机，使步进电机的转速符合所要求的正弦曲线。
Through cyclic pulse distributor and power amplifier, the pulses drive step-motor and let the speed of step-motor in agreement with a required sine function.
三维地震模型实验系统主要包括三维坐标自动控制、高速数据采集、超声脉冲或可变频正弦信号发射等装置。
D seismic modeling experiment system mainly includes 3d auto control scanning, high speed sampling, ultrasonic pulse or varying frequency signal emitting, etc.
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