论文中利用建立的物理模型对开关输出电脉冲的上时间,以及开关线性波形和非线性波形之间的延迟时间进行计算,结果与实验测量数据相吻合。
The risetime of electrical pulse and the delay-time between the linear model and nonlinear model are calculated in this paper, and the results match the experimental measure.
宽带线性调频信号是地基宽带成像雷达的一种常用波形。
Wideband linear frequency modulated signal is a kind of waveform commonly used in ground-based wideband imaging radar.
仿真和实验结果证实了该逆变器具有开关频率固定,输出电压波形质量好,非线性负载适应能力强等优点。
The simulation and experimental results illustrate advantages of the inverter:fixed switching frequency, high output-voltage performance, and strong nonlinear load adaptability, etc.
输出波形精度高,失真小线性好。
High precision of output waveform, good linearity distortion.
采用线性分析和模糊模式识别理论,对动态心电图QRS波形进行检测和分析的算法进行了语法描述,并在此基础上给出了心率失常分析系统实现的具体方法。
A linear analysis and pattern recognition method to detect and analyze dynamic cardiogram QRS wave are applied I this paper and an effective method for HRW analysis system is introduced.
文中不仅给出了宽带线性调频(LFM)信号的具体设计方法,而且给出了可产生多种复杂波形的实验信号产生系统及其主要技术指标。
A method of designing linear frequency modulated (LFM) signals with wide bandwidth and an experimental system that can generate many complex waveforms are presented.
研究了一种高线性度、低杂散宽带LF M雷达波形信号的实现方法。
A new method to produce high-linear, low-spurious and wide-band LFM radar wave signal is proposed.
论述了霍尔器件检测点焊焊接电流时的线性度、波形失真、温度的影响及其补偿措施。
The linearity, wave distortion, temperature influence, and its compensation measure in detecting current during spot welding by hollelement are described in this paper.
电液力控制系统中非线性和时变因素引起的波形畸变等控制品质问题是电液控制系统中较难解决的问题。
In electrohydraulic force control system, it is a difficult problem to solve some control qualities such as wave distortion caused by non-linear and time -varied factors.
由于电网中非线性设备的使用日益增多,所产生的高次谐波电流大量注入电力线路中,使得电网电压、电流波形发生畸变。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
孤立子能够既不发生衰减也不会改变波形地传播到较远的地方且具有类似粒子的特性,这主要是色散效应和非线性效应相互平衡的结果。
Soliton, like particles, can travel over long-distances without attenuation and changes of wave shapes, which is the result from the balance of the interplay between dispersion and nonlinearity.
本文探讨非线性指标- 3微分-代数系统的波形松弛算法所涉及的理论模型和具体算例的求解。
This paper discusses theoretical models and numerical experiments of waveform relaxation methods for solving nonlinear differential-algebraic systems of index-3.
报道了应用边界积分方法模拟完全非线性孤立波的传播与直墙反射,给出了波形演变过程。
Modeling the propagation and end wall reflection of a fully nonlinear solitary wave with the boundary integral equation method is reported in the paper.
在逆变电源带非线性负载时,它是对输出电压波形进行改善的一种有效手段。
It was an effective way to improve output voltage waveform for inverter under nonlinear load.
介绍了DDS技术在波形产生功能电路中的应用,推出了利用DAC实现高精度线性程控的一种方法。
It mainly introduces the application of DDS technology in the arbitrary wave generator's function circuit it proposes a method of high-rate accuracy programming control by way of DAC.
提出一种关于求解常微线性系统的离散波形松驰方法的新的加速收敛技巧。
In this paper a new technique for acceler at ion of convergence of discretized waveform method is proposed for solving ordinary linear differential systems.
对线性调频(LFM)信号的三种主要数字产生方法进行分析,提出一种基于波形存储直读法的超宽带线性调频脉冲压缩信号数字产生系统方案。
On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band LFM pulse compression signals is proposed in this paper.
当加上非线性负载如调速电动机驱动器时,会影响正弦电源。电压波形畸变变成非正弦波。
When nonlinear loads, such as adjustable speed motor drives, affect a sinusoidal power source, the voltage waveform is distorted and becomes nonsinusoidal.
结果表明:除了非线性强度、吸收外,衍射是另一个影响非线性超声束冲击波形成的重要因素。
The results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.
结果表明,如按一定方式分解复合循环波形,则利用线性累积损伤规律能较准确地预测复合循环疲劳寿命;
The results showed that if combined cyclic waves were with decomposed certain methods, the fatigue life can be accurately predicted by using the linear accumulative damage rule;
文中还就流动的非线性对物体的波浪扰动力和自由面波形的影响进行了讨论。
The effect of the nonlinearity on total wave exciting force and wave contour is discussed.
研究非线性调频信号波形设计方法。依据相位逗留原理,采用动态优选法,给出了一种改进的非线性调频信号波形设计方法。
To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
波形畸变主要来自两个方面:固体中晶格原子之间作用力的非线性以及固体中位错和超声的非线性相互作用。
The distortion mainly comes from two mechanisms: the nonlinearity of the lattice potential and the interaction between the ultrasonic waves and dislocations.
该文提出了任意信号的时域线性伸缩表达式,给出了一类新的雷达波形,并对这类波形的压缩形式(匹配滤波输出)在时域进行旁瓣抑制数字滤波。
A new type of radar waveform called Linear Contracting waveform is presented. To suppress the sidelobe of such waveform's matched output, a digital filter is adopted.
研究了非线性调频信号波形设计方法。
This paper studies the design methods of the nonlinear frequency modulation signal waveform.
针对航空静止变流器带非线性负载造成的输出电压波形畸变问题,分析了采用重复控制技术的单相静止变流器控制模型和补偿器的数学表达形式。
The repetitive control approach is applied to the single-phase aviation static inverter (ASI) for solving the wave distortion of the output voltage caused by nonlinear loads.
线性调频雷达的极限分辨力取决于发射波形的带宽。
The limit of the range resolution of a LFM radar depends on the bandwidth of transmitted waveform.
通过用频域方法数值求解KZK方程; 以活塞声场为例,研究了非线性超声束的冲击波形成规律。
The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.
通过用频域方法数值求解KZK方程; 以活塞声场为例,研究了非线性超声束的冲击波形成规律。
The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.
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