1. This was immediately connected to coherent pulsed radars , where velocity information was extracted. 2. The addition of the TRR solved a problem with early pulse radar units. 3. As pulsed radars were initially being developed, the use of very narrow pulses was examined. 4. The advantage of combining doppler processing with pulse radars is to provide accurate velocity information. 5. It uses the Iranian Toloue-4 turbojet engine and the DM-3B mono pulse radar used in Noor. 6. The experiments with pulsed radar were continued, primarily in improving the receiver for handling the short pulses. 7. It operated on a 50 cm wavelength and the pulsed radar signal was created via a spark-gap. 8. By the 1970s, advances in electronics led to renewed interest in what was often called short-pulse radar . 9. The station received an AN / FPS-19 pulse radar and was designated as station "'LIZ-1 " '. 10. In January 2004, Iran announced that it has started manufacturing the DM-3B mono pulse radar for Noor missile.
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