Simulating study on the aperture correction of a new kind of antenna for DBS reception 一种新型卫星电视天线的口面修正的仿真研究
Studies of SAW Diffraction Compensation Using Iterative Aperture and Phase Correction 用多次孔径、相位校正法补偿声表面波衍射的研究
A passive synthetic aperture based on phase correction algorithm for solving the port-starboard discrimination problem in the non-aligned towed twin-line array sonar is described. 提出了一种基于被动合成孔径的相位校正方法,有效地解决了因为首阵元未对齐(非对称)而引起的双线阵左右舷误判问题。
Aperture correction for pictures in large screen color TV receivers 大屏幕彩电中的图像孔阑校正
The influence of aperture angle for illumination light on uniformity of the color splitting system is discussed and a color aberration correction by means of wedge coating with. gradient thickness is proposed, thus the color uniformity can be obviously improved. 讨论了照明光孔径角对分色系统色均匀性的影响,提出了用厚度渐变的楔形膜校正色差的方法,使色均匀性得到显著改进。
In this paper a two-step polishing process which combined with whole aperture pre-polishing with large flexible form tools and correction polishing with small-tools is proposed to polish aspheric surface with middle aperture and replace the reiteration polishing processes. 论文针对中等口径光学非球面,提出了一种结合弹性模全口径抛光和小工具修正抛光的两步研抛法,取代目前普遍使用的反复研抛过程。
A passive synthetic aperture phase correction algorithm for the asymmetric twin-line array sonar 被动合成孔径的非对称双线阵相位校正方法研究
Large aperture can benefit correction. 大发射和接收孔径有利于提高校正Strehl比;
Based on the relationship between the equivalent hydraulic aperture and mechanics aperture of rough-walled fractures, the correction coefficient on grout penetrating radius in rough-walled fractures is deduced. 根据粗糙裂隙的等效水力开度与力学开度的关系,导出了计算粗糙裂隙内流体扩散范围的修正系数;