This chapter investigates techniques for measuring the angular location of a target by the use of multiple subapertures and by comparing the signals received from them, and examined the potential accuracy of target angle measurement using a single-aperture radar.

Chapter Contents:

• 5.1 History and Terminology
• 5.2 Monopulse
• 5.2.1 Monopulse: A General Case
• 5.2.2 Monopulse with Uniform-Odd Illumination on Difference Aperture
• 5.3 Interferometric Radar
• 5.3.1 Case 1: Zero Spacing Between Subaperture Edges (w = 2S)
• 5.3.2 Case 2: Nonzero Spacing, Constant Subaperture Width (w = 2S)
• 5.3.3 Case 3: Nonzero Spacing, Constant Overall Aperture Width
• 5.4 Glint
• References
• Problems

Inspec keywords: radar target recognition; radar signal processing; angular measurement

Other keywords: single-aperture radar; target angular location measurement; angle measurement

Subjects: Signal processing and detection; Spatial variables measurement; Radar equipment, systems and applications