Elements Of Remote Sensing For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is: 500 km 230 km 130 km 250 km 500 km 230 km 130 km 250 km ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing A passive sensor uses: Its own source of energy None of these Sun as the source of energy Flash light as a source of energy Its own source of energy None of these Sun as the source of energy Flash light as a source of energy ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height h = dp/(H/B) h = (B/H) dp h = (H/B) dp h = dp/(B/H) h = dp/(H/B) h = (B/H) dp h = (H/B) dp h = dp/(B/H) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The most widely used antenna in GPS is Horn antenna Microstrip antenna Parabolic antenna Slotted antenna Horn antenna Microstrip antenna Parabolic antenna Slotted antenna ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings). h < λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h = λ/8 cos θ h < λ/8 cos θ h > λ/Δ cos θ h > λ/8 cos θ h = λ/8 cos θ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target, Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast but increases the sharpness Reduces the contrast of the image and also its sharpness Increases both the contrast and sharpness Increases the contrast of the image but reduces the sharpness Reduces the contrast but increases the sharpness Reduces the contrast of the image and also its sharpness ANSWER DOWNLOAD EXAMIANS APP
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