系统各项像差系数随子孔径数的增加而降低；当子孔径数大于6时，各像差系数变化缓慢。
The coefficients of every aberration were decreased with the increase of the number of subapertures (N), but changed slowly when N was greater than 6.
在约束阵列孔径和阵元数的条件下，高效地实现了任意最小阵元间距约束下抑制峰值旁瓣电平(PSLL)的稀布阵综合。
Under the optimization constraints of the number of element, the aperture and the minimum element spacing, the MGA has been utilized to reduce the peak sidelobe level (PSLL) of the array.
作用于合成孔径雷达图像中的相干斑抑制时，不论从视觉效果还是等效视数和比值图等衡量指标上都取得了较好的效果。
More significance, this technique is used for restraining speckle noise in synthetic aperture radar images successfully in equivalent number of looks and ratio images.
并根据毛管压力曲线资料计算了孔隙结构的分形维数和孔径大小概率密度分布。
The fractal dimension of pore structure and size distribution are studied based on the capillary pressure data.
对于直流互击式喷注器，鲁泊数和孔径比是影响喷注器性能的两个关键参数，而且两者之间有一定关联。
The Rupe number and the ratio of injection orifice diameter are two key parameters affecting unlike impinging injector performance, and they are closely interrelated.
常规的空间平滑算法存在着阵列孔径利用率低、计算过程复杂的缺点，另外，其平滑次数受阵元数及信源数的限制。
The conventional spatial smoothing algorithm has low array aperture utilization and complex calculation process. And it's smoothing frequency is limited by the number of array sensors and sources.
还分析了透镜相对孔径 （F数 ）和成型模具等因素对透镜光学效率的影响。
The influences of factor F and modeling plate on the lens' optical efficiency are also analyzed.
还分析了透镜相对孔径 （F数 ）和成型模具等因素对透镜光学效率的影响。
The influences of factor F and modeling plate on the lens' optical efficiency are also analyzed.
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