vehicle velocity measurement used ultrasonic

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hosseinfeizy

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vehicle velocity measurement

hi
i proposed a measurement a vehicle velocity used ultrasonic by doppler effect(frequency shift) please help me.
 

The question is very general. How about speed range, distance, available tranducers?

Generally, ultrasonic capabilities seem rather limited for the application: temperature dependant, wind sensitive, only small measurement distance possible
 
hi
a speed limit is 100-250 distance limit 100m.
 

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