孔径

On the analysis and comparison of different types of membranes, select the best membrane aperture and material.

对不同种膜进行分析比较，选择了最佳孔径和最佳材料的分离膜。

Simulation of synthetic aperture radar is an important means for studying the imaging radar.

进行合成孔径雷达成像仿真是研究成像雷达的一个重要手段。

The relationship between transmitter, receiver apex angle, beam divergence, and the value of loss-time delay are simulated by model developed by Luegtten. Energy distributing is elicited in the fixed angles.

该文通过利用Luettgen提出的非视距单散射模型，比较了在不同仰角、光束孔径角情况下，损耗、延时、脉冲半宽展宽的变化特征，并给出了不同传输距离下能量密度的分布情况。

The board has merits of strong computation,high data throughput,perfect reconfigurability and can easily be used for construction of large scale array processor.

介绍了ADI公司高性能ADSP TS201的主要特点，并利用其超高性能处理能力和高速链路口，设计了通用并行信号处理板，并以综合脉冲孔径雷达信号处理机为例说明了其应用；该板卡具有运算能力强、数据吞吐量大、可重构性好的优点，易于构建大规模阵列处理机。

A real-time interferometric method for testing asphere was proposed to measure aspherical surface with small asphericity without other null optics.

对非球面度较小的非球面，直接利用标准球面镜作为参考表面，通过数字干涉仪可以测得全孔径位相分布，将所得的数据剔除参考球面波相对理论非球面的偏差，并运用最小二乘拟合求得机构定位误差，消去此误差，即可获得真实的面形信息。

A method of automatic gain control for synthetic aperture radar is described.

阐述了一种适合于合成孔径雷达接收机自动增益控制的方法。

In this article, an automatic elliptic pore size measuring system is developed based on digital image processing techniques, in which, CCD camera grabs the microscopic image of to-be-measured end surface, video image grabber digitizes it and computer processes it by way of digital image processing and gives the result.

本文研制了基于数字图像处理的椭圆型孔径自动检测系统，它由CCD摄像机采集被测端面的显微图像，视频图像采集板将其数字化，计算机利用数字图像处理技术进行处理给出结果。

In one embodiment of the invention, the bearings are disposed in the axle beam bore.

在本发明的一个实施例中，轴承布置在桥梁的孔径内。

Synthetic aperture imaging is usually used to improve azimuth resolution.

合成孔径成像是一种常用的改善方位分辨率的方法。

The simulated results indicate that the estimation of accuracy in azimuth and range source localization is improved by this method.

数值仿真结果表明，通过阵列的移动，可以合成大的孔径，提高目标的方位、距离估计精度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。