envelope method meaning in English
包迹法
包络法
包络线法(画抛物线)
Examples
- Examples show that the envelope method to evaluate scales of thermal pollution can be applied to assess the engineering design and environment
算例表明，包络图的方法评价温升影响范围，能够为工程设计和环境评价提供依据。 - The results indicate that the envelope method is more effective in actual application . and the recording distance limitations due to the stated pixel number , pixel size and laser wavelength are discussed in detail
通过对图像采样的分析，结合采样定理，给出了当图像像素总数、像元尺寸、记录波长都确定时，对衍射距离的限制条件。 - ( 5 ) digital holograms of static particles and particle field ( multi - layer ) are recorded in the experiment . and the reconstructed particle images are gained using the envelope method with two different reconstructed waves - plane wave and spherical wave , respectively
( 5 )从实验上拍摄了单层静态粒子靶和多层静态粒子靶的数字全息图，并分别用平面波和球面波实现了该模拟粒子场的数值再现，得到了清晰的粒子像。 - Abstract : this article discussed the causes of errors in nc program of machining screw using non - instant center envelope method . an analytical method to check the accuracy of nc program has been given , thus the theory basis of improving nc program has been provided in this article
文摘:对目前常用的无瞬心包络法螺杆加工数控程序中产生误差的原因进行了分析研究，提出了一种校验数控程序精度的分析方法，为改进数控程序提供了理论依据。 - The main contents of this thesis are : ( 1 ) two numerical reconstruction methods - direct fourier transform method and envelope method , are presented . these methods are deduced on the base of fresnel diffraction integral formula , which is under the condition that particle field is illuminated by plane wave
主要工作内容有： ( 1 )分析推导了平面物菲涅耳衍射的两种常用数值实现算法，即直接傅里叶变换法和卷积法，结论表明后者更符合实际工作的要求。