CONTENTS

 1     Introduction
 2     Objectives
 3     Radars under test
        3.1     Characteristics common to the radars
        3.2     Characteristics that differ between Radars A and B
                  3.2.1     Major differences
                  3.2.2     Minor differences
        3.3     Radar A and B receiver IF bandwidth and noise figure measurements
                  3.3.1     Radar A
                  3.3.2     Radar B
        3.4     Radars A and B video and target displays
 4     Performance measurements
        4.1     Overview of unwanted emissions testing
        4.2     Target generation
        4.3     Unwanted signals
        4.4     Summary of test conditions
        4.5     Test procedures
 5     Test results
        5.1     Radar A with unwanted P0N radiolocation signal
                  5.1.1     Radar A: 2 ms P0N pulses with 0.1% duty cycle (DC)
                  5.1.2     Radar A: 2 ms P0N pulses with 1% DC
        5.2     Radar B with unwanted P0N radiolocation signal
                  5.2.1     Radar B: 2 μs P0N pulses with 1% DC
                  5.2.2      Radar B: 2 μs P0N pulses with 5% and 10% DCs
                  5.2.3     Radar B: 10 μs P0N pulses
                  5.2.4     Stepped frequency radiolocation signal (Radar B only)
                  5.2.5     Unwanted maritime navigation radar signals
 6     Discussions
        6.1     Target display factors
        6.2     Unwanted P0N radiolocation pulses in Radars A and B
        6.3     Stepped frequency waveforms
        6.4     Antenna coupling factor
 7     Conclusions