为了方便地测量图像传感器的调制传递函数(MTF),在正弦模板法基础上,提出了矩形模板接触测量的方法。
In order to measure the Modulation Transfer Function (MTF) of image sensor conveniently, contact measurement using rectangle template is proposed based on sine template contact measurement.
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.
在以驱动波相速度运动的坐标系中,用微扰法讨论。在正弦波驱动下的非线性漂移波的分波方程。
The nonlinear drift-wave equation driven by a sinusoidal wave is discussed in a coordinate system moving in the driving phase speed.
介绍了一种基于面积等效原理,采用查表法产生正弦脉宽调制(SPWM)波的方法。
Introduction was made to the method of sine pulse width modulation (SPWM) wave generated by table searching, which is based on area equivalence principle.
论文首先使用基于分段正弦基函数的矩阵束矩量法建模、分析了通孔结构。
Through hole is modeled mathmatically and solved by Piecewise Sinusoidal (PWS) basis function based matrix-penciled Moment Method.
正弦稳态电路分析往往要采用相量法,在分析过程中若能灵活运用相量图为辅助工具,则能为问题的解决提供简洁的思路。
The sine steady circuit is analysed by means of vector mode. If the vector mode is flexibly used as the auxiliary tool in the analysis, it will provide simple way to solve the problem.
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.
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.
相量法是分析正弦稳态电路的数学工具,实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit. It is essentially a style of transform.
试验分别采用正弦激励模态共振法和锤击激励传递函数测量法。
The resonance method excited by sine sweeping and the transfer function method excited by hammer impact are adopted.
文章介绍一个用节点分析法计算正弦交流电路的程序。
A program based on the node analysis method which can be used to compute Sine AC-Circuit is described.
此方法属于单相检测法,先提取电网电流中的某相基波幅值,再将基波幅值乘以与该相电流同相位的正弦波,从而得出该相的瞬时基波电流。
This is a single-phase measurement that multiplies the amplitude of fundamental current of a line by a sine signal which has the same phase with the current.
正弦波检查法因条件所限,无正弦波发生器或频率不准,不易实现。
The sine wave inspection method is limited by condition, does not have the sine-wave-generator or the frequency is not precise, is not easy to realize.
相量法是分析正弦稳态电路的数学工具,实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit.
谱分析法和正弦拟合法是ADC动态特性测试的两种常用方法。
The spectrum analysis and sine wave curve fitting are the most common methods used for ADC dynamic performance tests.
然后,采用相量法求解出正弦电压激励下各并联支路的电流;
Then, the current of the paralleled branch coils excited by sine voltage is obtained by way of phasor.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法,对两种算法的分析和比较有利于它们在实际中的应用。
Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss Angle measurement.
此方法较之以往采用的正弦或正弦扫频激励法具有明显的优点,可以满足传感器生产现场的需要。
As compared with the methods of sine or sine frequency of sweeping, which was used in the past, this method has obvious advantages. It can meet the needs of production site of transmitters.
本文在分析了几种SPWM调制方法的基础上,将基于对称采样法的SPWM调制算法应用于本设计中,产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
自然采样法产生的SPWM脉冲效果最接近正弦波,但工程中不利于实时控制,在实际中常采用的规则采样法精度不够高。
As the natural sampling method generating SPWM pulses closer to sine wave is impractical in real-time control, the regular sampling method with poor precision is usually adopted in practical projects.
自然采样法产生的SPWM脉冲效果最接近正弦波,但工程中不利于实时控制,在实际中常采用的规则采样法精度不够高。
As the natural sampling method generating SPWM pulses closer to sine wave is impractical in real-time control, the regular sampling method with poor precision is usually adopted in practical projects.
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