控制策略有阶梯波法、载波相移法和电压空间矢量法等。
There are many control strategy, such as stair waveform, carrier phase shift, voltage space vector and so on.
在第五章中还提出了实现快速回转式光切相移法的方案。
In addition, chapter 5 presents a fast realizing scheme of the light sectioning phase shifting technology.
分别采用双波长法和相移法研究了光弹性条纹的自动分析技术。
The application of two-wavelength method and phase shifting for automatic analysis of fringe patterns resulted from photoelasticity was investigated.
傅里叶变换轮廓术和相移法是投影栅法测物体三维形貌的两种重要方法。
Fourier transform profilometry and Phase shifting are two important methods in 3-d measurement of body.
目前,相移法、傅立叶变换法和条纹骨架法是三种主要的提取相位的方法。
At present, phase shifting method, Fourier transform method and fringe skeleton method are three most important fringe analysis methods.
相移法需要精密的移相装置,且需采集一幅以上的图像,在应用中受到一定限制。
Phase-shifting requires a precise Phase-shifting set and more than one image collected, therefore its application is limited.
说明:四步相移法程序和最小二乘法相位解包裹程序,已经验证,此方法比较不错。
Four step phase-shift method program and least squares phase solution package, have validation, this method is good.
在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
针对五步彩色相移法所用的白光入射平面偏振场的特点,只考虑光强、起偏镜和分析镜方位角所引起的误差影响就可以了。
Moreover, there is an error in measuring int ensities. Towards the five step color PST, it is based on a plane polariscope in white light, the influence of the different er…
文中用逼近法和双线性变换法,设计了用于圆度测量的高斯数字逼近滤波器,并给出了零相移的递归滤波算法,计算量小,计算效率高,易于实现。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
实验研究表明,时间相移及空间载波变换数字电子散斑干涉法是进行混凝土损伤断裂特性研究的一种有效实验方法。
The experimental researches show that the time-lapse and spatial carrier transformation DSPI is an effective experimental method for carrying out researches on the concrete fracture characteristics.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型,以及压缩机和膨胀阀的稳态流动模型。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
研究了集光栅技术、莫尔技术、相移干涉术为一体的虚光栅移相莫尔条纹法测量量块的原理及关键技术。
The virtual grating phase shifting moire fringe method is studied to measure the parameters of gauge block which combines the techniques on grating, moire, and phase shifting interferometry.
用采样及随机相移器法实现了对文字、线条、人象等多种模拟信息的高密度,高质量的全息存贮。
A hologram memory with high quality and high information storage density for analog information such as characters, lines and portraits has been made by sampling mesh and random phase shifter method.
在这种介体中用相移分析法能成功地得到散射解。
The potential scattering solution in this medium is successfully obtained in terms of the phase-shift analysis.
提出了一种新的计算光栅相移量点测量法。
A new method of the single point measuring to calculate the grating phase-shift phase was proposed.
依据归纳法并结合作者的工作提出了开展此项研究在理想透镜天线、相移器、平衡器、耦合器等应用。
According to induction and the work of authors, the potential applications in perfect lens antenna, phase-shifting line, balancer and coupler were given.
提出了用白光相移干涉法进行三维表面轮廓测量应采用的系统结构和算法。
System structure and algorithm used in the measurement of 3D surface profile are presented while using the light bulb phase-shift interfering method.
实验以一平面石膏为测量对象,根据测量结果,验证了该方法的正确性和有效性,对采用相移技术的三维测量法具有重要的意义。
Experimental results show the method correctness and validity through having an experiment on testing a gypsum plane. The way is significant for the 3-d measurement with phase shifting technology.
提出了用白光相移干涉法进行三维表面轮廓测量应采用的系统结构和算法。
System structure and algorithm used in the measurement of 3d surface profile are presented while using the light bulb phase-shift interfering m...
通过相移技术获取调制度值的调制度三维测量法,不可避免地存在相移误差,从而降低测量精度。
Phase shift error is inevitable in the course of getting modulation value of 3-d measurement with phase shifting technology, and then decreases measurement precision.
通过相移技术获取调制度值的调制度三维测量法,不可避免地存在相移误差,从而降低测量精度。
Phase shift error is inevitable in the course of getting modulation value of 3-d measurement with phase shifting technology, and then decreases measurement precision.
应用推荐