正弦形 meaning in English
sinuidal
Examples
- With reduction of temperature this structure gradually transforms to the incommensurate sinusoidal structure which we have just discussed .
随着温度的降低,这种结构逐渐转变为我们刚讨论过的那种不可通约的正弦形结构。 - This test system can maintain the magnetic flux density ( 5 ) for sine wave automatically . so we need n ' t revise the testing data because of the distortion of the waveform
本测试系统可以实现自动保持磁感应强度b波形为正弦形,从而避免了对测试数据还要进行波形修正的麻烦,提高了测试的精度。 - The paper researches rectangle , parabola , sinusoid and triangle acceleration curves and their response characteristics , and puts forward a concept of combined acceleration
摘要研究了输送机的各种加速度(矩形、抛物线形、正弦形和三角形)曲线及其响应特性,在此基础上,提出了组合加速度的概念,并对其进行了研究。 - With the help of the fuzzy algorithm in the controller , the output voltage of the power can be controlled and the voltage wave can be adjusted to be symmetric so that the lift can stop accurately , and the shock can be decreased
实验结果显示,采用这种模糊控制的环流变换器的电压输出性能得到大幅改善,波形对称且非常接近正弦形,能够保证矿井提升机停位准确,减少冲击。 - Biology , etc . owing to many merits has not yet been used to measure parameters of gratings . the paper researches on the subject in view of current lack of it . the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters , inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length
本论文的主要工作包括:结合光栅的矢量衍射理论和薄膜的椭偏理论,详细分析了光栅的椭偏特性;并且根据一些椭偏特性设计出一款正入射反射型单波长1 4波片;在光栅参数的椭偏反演中,引入正单纯形法作为反演算法,分别以各向同性的正弦形金属光栅和各向异性的阶梯型光栅为例,在标准椭偏值的基础上加入不同偏差的高斯噪声来模拟实际的椭偏测量值进行反演,在一定精度范围内得出满意的光栅参数,说明光栅参数的椭偏测量是可行的;还就入射角的选取问题进行了一定的探讨。