Comparison between Pulsed Radar and CW Radar

Here is Difference of Pulsed Radar Vs CW Radar. Pulse Radar is use for detecting of target location. and CW Radar stands for continuous wave radar.

Here is difference between Pulsed RADAR and CW RADAR.

Pulsed RADAR :
Pulsed RADAR

  • In this system the pulse modulated signal are used for transmission.
  • Duplexer is used to use common antenna for transmission & reception.
  • It can indicate the range of target.
  • The echo power received is useful for the indicating device.
  • It requires comparatively higher transmitting power.
  • The circuits used in this system are comparatively complicated.
  • The performance is sometimes affected by the stationary targets.
  • It can not operate down to zero range.
  • The possible r.max is higher.
  • The performance is not affected by presence of number of targets.
  • Practically pulsed RADAR system are used more.
  • One example of such RADAR application is the mapping of airport area.

    CW RADAR :

  • This system uses modulated or unmodulated continuous signals for transmission.
  • Circulator is used or separate antennas are used for transmission & reception.
  • Simple CW RADAR can not indicate the range.
  • The doppler frequency shift of echo signal is useful for indication device.
  • It uses lower transmitting power.
  • The circuits are simpler.
  • The performance is unaffected by stationary targets.
  • Because the receiver is ON all times, it can operate down to zero range.
  • The possible r.max is lower.
  • The system gets confused by persence of large number of targets.
  • CW RADAR are used in some application only, so comparatively have less application.
  • Application is in aircraft navigation for speed measurement.

    Thank You For Reading.

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