blind-speed effect

A characteristic of Doppler MTI (moving target indicator) systems used with radars having a fixed PRF (pulse repetition frequency), which makes them blind to targets whose Doppler frequencies are multiples of PRF. This effect is utilized by aircraft to avoid detection.
blink
i. To switch off and on navigation lights twice in quick succession at night as an acknowledgment of receiving a message.
ii. Illuminating and extinguishing lights or other indications, or presenting black-and-white or other contrasting indications, for more than 20 times a minute.
iii. To switch on and off radar at short intervals.
iv. To break down as in “on the blink.”

单词	blind-speed effect
释义	blind-speed effect blind-speed effect A characteristic of Doppler MTI (moving target indicator) systems used with radars having a fixed PRF (pulse repetition frequency), which makes them blind to targets whose Doppler frequencies are multiples of PRF. This effect is utilized by aircraft to avoid detection. blink i. To switch off and on navigation lights twice in quick succession at night as an acknowledgment of receiving a message. ii. Illuminating and extinguishing lights or other indications, or presenting black-and-white or other contrasting indications, for more than 20 times a minute. iii. To switch on and off radar at short intervals. iv. To break down as in “on the blink.”
随便看	menger theorem menges, karl heinrich meng hao-jan menghini biopsy needle menghini needle m.eng.iape mengistu mengistu haile mengistu haile mariam mengistu hailemariam mengistu miriam meng k'o menglet, georgii menglet, georgii pavlovich mengli girei mengo mengo encephalitis mengo encephalomyelitis men going their own way mengoni, guiseppe mengo virus mengs, anthon rafael mengs, anton raphael meng (surname) meng-tse