Analysis of Available Methods for Maximum Unambiguous Range Demystification in High Pulse Repetition Frequency Radars

Subject Areas : Majlesi Journal of Telecommunication Devices

Reza Fatemimofrad ¹ , Morteza Shahidinasab ²

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Received: 2017-06-13 Accepted : 2017-06-18 Published : 2017-07-01

Keywords: Vernier frequency, Chinese Remainder Theorem, Particle Filter, High pulse repetition frequency, Unambiguity,

Abstract :

Todays, Pulse Doppler Radars are used in most of industries needed radar, but it is necessary to note that despite these radars have some benefits, they also face several problems including range and velocity ambiguity. Obtaini ng range and velocity because is base of use of pulse Doppler radars, therefore these radars should use new methods in their technologies to use them to eliminate range and velocity ambiguity. Using high pulse repetition frequency radars will create velocity ambiguity. Introducing the methods mentioned in this paper, we will seek to eliminate ambiguity in range. despite, there are many methods to eliminate ambiguity, we will engage to assess Particle Filter and Chinese Remainder model in this study and finally, we will explain method of using Vernier on the timing gates in the different distances.

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