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Range in FMCW Radar

 

 

 

1 기준신호(Chirp)가 송출됨  
2 일정시간이 지나 송출된 신호가 반사되어 수신 됨  
3 현재의 기준신호와 수신된 신호간에 거리에 따른 주파수의 차이가 발생  

 

 

 

 

 

 

 

 

1. Range Formula

 

Range

f_b is measured parameter(BIN of peak amplitude)

C=Speed of light, B=Chirp Bandwidth, Tc=Chirp Time, Note. S=B/Tc 

 
Resolution

Chirp bandwidth limit the resolution between 2 objects.

C=Speed of light, B=Chirp Bandwidth,

 
Max Limit

ADC Sampling Rate limit the measurable max range

Fs=ADC Sampling Rate

 

 

 

 

 

 

 

 

 

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