查询词典 pulse response

Based on the nonlinear dynamical equation of product packaging system,the shock spectra and the damage boundary curve of tangent nonlinear packaging system under the action of half-sinusoid pulse are obtained using a numerical method,and the influence of various factors on shock response is discussed.

采用数值求解单自由度产品包装系统的非线性动力学方程，得到了半正弦波冲击下正切型非线性包装系统的冲击谱曲线和边界破损曲线，讨论了相关参数对它们的影响

PbWO4 and CeF3 which are newly developed inorganic scinti1latr in our country have been studied. Photo-electricity detector systemes which have high γ sensitivity and relative insensitive to neutron and fast time response were assembled by using CeF3 and photomultiplier tube. The ratio of signal-to-noise for γ ray detection can be up to more than 10 times in close distance n,γ commix pulse radiation field by using this detector system.

对PbWO4和CeF3等近年国内新研制的无机闪烁体进行了系列研究，使用CeF3分别配光电倍增管和光电管，组合出了对γ辐射灵敏度高，对中子相对不灵敏，同时脉冲响应也快的光电探测系统，应用以此为基础的探测技术在近距离n，γ混合脉冲辐射场中，可将脉冲γ辐射探测信噪比提高一个量级以上。

This method employs the exponential pulse time series as input to excite CFD model, which can provide slick aerodynamic forces acting on the body through CFD simulation, Then discrete time aerodynamic models, defined among interesting range of frequency, can be trained based on the CFD input output relationship, those models can he implemented thereafter to simulate aerodynamic response for simple-harmonic input of displacement with suitable frequency.

该方法采用具有连续频谱分布且位移光滑的指数脉冲序列为CFD模型运动的输入，通过数值模拟得到作用在模型上的气动力。利用已知的输入和气动力建立起反映系统气动力特征的离散时间气动模型。

The shock response of hyperbolic tangent system is investigated under the action of rectangular pulse.

研究双曲正切包装系统在矩形脉冲作用下的冲击响应。

This invention relates to a DC linear motor digital controller including a central processor circuit, a data memory, a program memory, an A/D conversion circuit, a D/A conversion circuit, a linear shift orthogonal code pulse signal circuit, a signal isolation circuit, among which, the center processor circuit is composed of a special DSP chip controlled by the motor, a complicated programmable logic device CPLD combining with a peripheral expanding circuit, said digital controller fully utilizes the motor to control the special DSP chip to integral DSP kernel CZXLP and the rich external circuit in a single chip to make up of a digital controller for controlling high frequency response DC linear motor with small volume, low dissipation and high reliability.

高频响直流直线电机数字控制器，属于电机自动控制技术领域，目的在于获得快速、高精度往返运动的控制效果，实现高频响直流直线电机的精密位置跟踪控制功能。本发明包括中央处理器电路，数据存储器，程序存储器，A/D转换电路，D/A转换电路，直线位移正交编码脉冲信号电路，信号隔离电路；中央处理器电路由一个电机控制专用DSP芯片，复杂可编程逻辑器件CPLD，结合外围扩展电路组成。该数字控制器充分利用电机控制专用DSP芯片将高性能DSP核C2xLP和丰富的功能外设电路集成在单个芯片上这一特点，构成了一个体积小、功耗低、可靠性高和功能比较齐全的高频响直流直线电机控制用的数字控制器，使系统的整体成本大大降低。

Accordingly, the R1 that manipulates small block value is OK the voltaic pulse of intromit C1 is opposite bigger, such, circuit can is opposite input signal extent dash forward add make faster response, namely " rise quickly " answer.

在低频至中频规模内，只有比较器的输入偏移误差会影响检测器的整体精度。在高频时，比较器的响应时候成为一个首要身分，它会降低 VOUT精度，特别是当频率增添时，情况会更糟。

Transient response of bipolar junction transistor under intense electromagnetic pulse.

双极型晶体管在强电磁脉冲作用下的瞬态响应。

The handling stability is analyzed, mainly the steering transient response test of steering wheel step input、 the steering transient response test of steering wheel angle pulse input、 return-ability test、 steady static circular test and central steering test are carried out. With those test, how the front suspension system can influence the handling and stability performance is investigated.

在此基础上进一步建立了整车模型，包括前悬架系统、后悬架系统、转向系统、前轮胎系统、后轮胎系统、车身系统，分析了该车的操纵稳定性，主要进行了稳态回转试验、转向盘角阶跃输入、转向盘角脉冲输入、转向回正试验、转向盘中间位置转向试验，并通过这些试验来考察了前悬架对操纵稳定性的影响。

Adopting MATLAB software to carry on simulation about the parameter self-adjustable fuzzy PID controller set up of application to the pulse position loop of the radar servo system. It has made a detailed analysis to its simulation result, compared with original system and PID control system about step function response, slop response and the system characteristic by the parameter of control system changed.

采用Simulink软件对所建立的参数自整定的模糊PID控制器在伺服系统单脉冲跟踪位置回路中的应用进行了仿真，对仿真结果作了详细的分析，并与原系统和PID控制系统就阶跃响应、斜坡响应以及控制对象参数发生变化时系统的性能进行了对比。

The response of ultra fast photoconduction detector made of SI-LEC GaAs crystal was studied experimently. The response time to picoseconds pulse laser and sensitivity to 532 nm direct current laser were obtained for GaAs detector.

实验研究了具有极快响应的SI-LEC GaAs光电导辐射探测器的响应，测量它对皮秒级脉冲激光的时间响应及对532 nm直流激光的灵敏度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。