www.radartutorial.eu www.radartutorial.eu Radar Basics

Chapter: “Coherent Radar Technology”

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stable continuous oscillation as reference
1. PRT
2. PRT
3. PRT
random phase

Figure 1: Origin of coherence, coherent and non-coherent pulses.

In this chapter the “concept of coherence” is explained, a term which is often given as a feature of radar system. A “coherent radar” is able to distinguish between fixed and moveable objects by analysis of the Doppler frequency.


stable continuous oscillation as reference
1. PRT
2. PRT
3. PRT
random phase

Figure 2: Origin of coherence, coherent and non-coherent pulses.