Physics · Remote Sensing
Consider the following statements regarding Synthetic Aperture Radar (SAR): I. It is an active remote sensing technique that transmits microwave pulses and records their echoes to create detailed images. II. SAR systems can operate day and night and in all weather conditions including clouds and light rain. III. The longer the physical antenna on a SAR, the lower the resolution due to increased noise from signal reflections. IV. SAR data can help detect differences in materials like soil, vegetation, and metal based on how they reflect microwaves. V. SAR instruments are limited to being used only from ground-based stations due to their size and power requirements. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II, IV, and V only
- 2I, III, and V only
- 3II, III, and V only
- 4I, II, and IV only✓
Correct answer
I, II, and IV only
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