Because maximum field of view in telecentric systems directly relates to the lens aperture closest to the object, larger front lenses are necessary for larger fields of view.

由于在远心系统中最大视场直接关系到镜头的镜头的光圈到物体之间的距离，若需要大的视场就必须要有大尺寸的前置镜头。

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Furthermore, taking phase error of RF front-end, sampling error of high-speed ADC and the size of array into consideration, the image quality of synthetic aperture DSMR is still poor.

受射频前端相位误差、ADC采样误差及阵元个数有限的影响，综合孔径直接采样微波辐射计成像质量仍然较低。

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The invention relates to a car roof front edge aperture punching mechanism, which adopts an automatic punching technique to cut rear apertures at the front turned-over edge of a car roof.

本发明涉及一种适用于汽车顶篷前沿翻边后孔位自动冲切工艺的汽车顶篷前沿缺口冲切机构。

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The V8 car is identifiable by its three-aperture lower front grille, the red "B" badges, and the figure-8-shaped exhaust stingers.

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Dedicated lens rings allow for fingertip control of focus and aperture, while a DSLR-style Focus mode dial on the front of the camera enables easy switching between focus modes.

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It features a 1.2MP front camera for video conferencing and an 8MP rear camera with a large F2.2 aperture, 5-element lens allows for high quality images along with HD video recording.

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