單項選擇題

Radar makes the most accurate determination of the（）.

A.direction of a target
B.distance to a target
C.size of a target
D.shape of a target

你可能感興趣的試題

Most modern Loran-C receivers，when not tracking properly，have a（n）（）.

A.Bell alarm to warn the user
B.Lighted alarm signal to warn the user
C.Alternate signal keying system
D.View finder for each station

單項選擇題

Loran-C uses the multiple pulse system because（）.

A.Less signal energy is necessary for receiver operation
B.More signal energy is available at the receiver
C.It significantly increases the peak power
D.It increases the signal capacity

Radar makes the most accurate determination of the（）.

你可能感興趣的試題

Most modern Loran-C receivers，when not tracking properly，have a（n）（）.

Loran-C uses the multiple pulse system because（）.

Most modern Loran-C receivers，when not tracking properly，have a（n）（）.