Radar

Receiver bandwidth requirements in cw radar

Receiver bandwidth requirements in cw radar
  1. What bandwidth does radar use?
  2. What are the factors influencing the bandwidth of a radar receiver?
  3. Why isolation between transmitter and receiver is required in CW radar?

What bandwidth does radar use?

Most radars, in practice, operate between 400 MHz to 36 GHz; however, there are some notable exceptions. The optical and radio portions of the electromagnetic spectrum occupy positions coincidental with two important transparent bands in the Earth's atmosphere and ionosphere.

What are the factors influencing the bandwidth of a radar receiver?

Signal-to-Noise Ratio. Thermal Noise. Wavelength.

Why isolation between transmitter and receiver is required in CW radar?

CW or FM CW radar performance is dependant on the isolation between the transmitter and receiver. The sensitivity of FM-CW radar is limited by the noise accompanying the transmitter signal which leaks into the receiver.

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