| 1. | Testing technology for aspheric wavefront aberration
非球面波像差的检测技术 |
| 2. | Enlarging the pattern by fruanhofer diffraction of spherical wave
利用球面波夫琅禾费衍射放大衍射图样 |
| 3. | The main contents are : ( 1 ) the recording and numerical reconstruction of lensless fourier hologram are analyzed by spherical wave theory
主要内容包括： ( 1 )用球面波理论分析了无透镜傅里叶变换全息图的记录和再现过程。 |
| 4. | D ) . puts forward stress wave research method when the linear charge blasting . it regarded column stress wave as cylinder stress wave , end stress wave as spherical wave
D )提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。 |
| 5. | The impsar wavefront reconstruction theory takes into account of the propagation property of spherical wave . therefore , it can be used to interpret both the near field and far field impsar applications
当成像系统用于近场应用时，投影重建理论需要加以改进以加入电磁传播球面波波前的影响。 |
| 6. | In its measurement , the interference fringe should be tracked and counted . to avoid its disadvantage , a novel method of length measurement based on two sphere waves ’ interference is been introduced
为了避免其需要对条纹进行跟踪计数的缺点,提出了基于两球面波干涉的长度和距离测量方法,并进行了理论分析和仿真。 |
| 7. | In the displacement measurement based on the principle of laser interference , the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy
在基于两球面波干涉的长度和距离测量实验中,运用高斯二次曲面拟合算法为激光光斑的中心坐标定位,提高了光斑的定位精度。 |
| 8. | Based on the fresnel diffraction integral , the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed
摘要基于菲涅耳衍射积分公式，推导出了会聚球面波通过环形光阑后场分布的解析公式，并讨论了一些特殊情况。 |
| 9. | Reference lens , which can produce spherical wave front whose optical quality is better than / 20 by peak - valley value in wavelength , is an important part of " 95 " defense system project in measurement and testing
标准球面透镜能产生峰谷值优于/ 20的球面波，是国防系统“九五”计量测试项目重要的研究内容之一。 |
| 10. | A new algorithm is then derived , in which the factor of spherical wave front is removed explicitly . thus the propagation of a focused beam could be evaluated indirectly from propagation of an unfocused beam
文中对此作了分析，进而提出了一种新算法，将球面波因子提出，然后将会聚光束的传输过程转化为非会聚光束的传输过程，从而间接求得了聚焦光束的光场分布。 |
