12.02.2014 Views

Radar System Engineering

Radar System Engineering

Radar System Engineering

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

104 PROPERTIES OF RADAR TARGETS [SEC. 3.16<br />

urban area of Tokyo is a large group of signals near the southern limit<br />

of the picture, with the industrial suburbs of Urawa and Omiya, northwest<br />

of the city, showing as a strong elongated signal. East of Tokyo<br />

is Funabashi, a strong signal at the head of Tokyo Bay. Numerous<br />

small towns in the Kanto plain are shown as individual arcs, particularly<br />

to the west of the aircraft. The Tone River is visible just below the<br />

N<br />

FIG, 3.29.—Small towns near Worcester, Mass. Wavelength = 1.25 cm, O.SObeam,<br />

altitude 7000ft. radius24 naut]calmi, 42°16’N. 71°4S’\V.<br />

center of the picture, with the Toride railroad bridge appearing as a<br />

strong signal just south of the aircraft.<br />

Figure 3.29, taken at some~vhat closer range with a system of higher<br />

resolution, shows a number of small towns in the vicinity of Worcester,<br />

IVIass. A’ characteristic group of five bright signals appears near the<br />

top of the photograph. The signal nearest the aircraft is a mountain<br />

signal, readily identified as such by its triangular shadow. The remaining

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!