Microwave and laser police radar minimum time to acquire, establish, and track a target varies with model from about a quarter of a second or 250 milliseconds (ms) to a half of a second (500 ms) or more. In many cases a radar will require more than 1 sample time period (dwell or integration time period) to establish speed.
Dwell Time | Sample Rate |
---|---|
250 ms | 4 per second |
300 ms | 3.3 per second |
333 ms | 3 per second |
500 ms | 2 per second |
750 ms | 1.25 per second |
1000 ms | 1 per second |