Building Earth Observation Cameras

296 Building Earth Observation Cameras

Outer shell

Ho

od

Focal plane assembly

Primary mirror

Tertiary

mirror

Outer truss

(a)

(b)

Fore telescope

Nadir telescope

Aft telescope

Optical bench

FIGURE 9.10

Schematics of the mechanical conguration of the Panchromatic Remote Sensing Instrument

for Stereo Mapping EO module. (a) Single telescope and (b) three telescope assembly on the

optical bench. (Adapted from Osawa, Y., PRISM, AVNIR-2, PALSAR—ALOS's major mission

instruments at ALOS Symposium, http://www.eorc.jaxa.jp/ALOS/conf/symp/2001/5.pdf,

accessed on May 15, 2014, 2001.)

297Adding the Third Dimension: Stereo Imaging

along-track, threefold stereo imaging usi ...