Sweep speed for the light point.<br>When measuring range or automatic ranging by electronic method, the distance resolution is determined by the pulse width or the width of the wave door, the narrower the width of the radar emission signal pulse, and the higher the resolution of the radar distance. The narrower the pulse, the better the distance resolution. For complex pulse-compressed signals, the distance resolution is determined by the effective bandwidth B of the radar signal, the wider the effective bandwidth, the better the distance resolution. Distance resolution can be expressed as
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