Radar imaging geometry, which performs imaging in the direction of slanting range at the sample time of electromagnetic echo reflection, is quite different from optical imagery.

雷达是通过接收一定时间间隔内电磁回波成像，它与可见光成像不同。

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The optical time-domain echo wave length selecting module of the equipment comprises the following parts: an optical switch and an array waveguide raster.

所述设备包括由光开关和阵列波导光栅组合而成的光时域反射波长选择模块。

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The influences of the optical system focal shift and the detection laser beam parameters on the echo of cat-eye optical system are studied.

研究光学系统离焦量和探测激光束参数对猫眼光学系统回波强度的影响。

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Detailed in a message sent to testers this evening, there's also an update rolling out in the next 24 hours that upgrades video output to 1080p and exposes settings for the Echo like optical audio out, bitstreaming over HDMI or optical and diagnostics.

ENGADGET: Ceton releases Windows 8 drivers, Echo set-top box is getting Android inside for the holidays