单项选择题
What will NOT induce errors into a doppler sonar log?（）
A.Increased draft
B.Pitch
C.Roll
D.Change in trim
点击查看答案&解析
相关考题
-
单项选择题
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A.one-millionth part of a second
B.one-thousandth part of a second
C.one-hundredth part of a second
D.one-tenth part of a second -
单项选择题
The minimum range at which a target can be detected is basically determined by which of the following?（）.
A.persistence
B.pulse repetition rate
C.pulse length
D.rotation rate -
单项选择题
The number of pulses of energy transmitted per second is call the（）.
A.carrier frequency
B.pulse repetition rate
C.pulse length
D.pulse repetition time
