- Industria: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
The difference in time between similar points of an output and an input wave. If the input and the output waves pass through zero at the same time, going in the same direction, the waves are in phase. But if the circuit shifts the phase, the output will either lead or lag the input.
Industry:Aviation
The difference, shown on a constant-pressure chart, between the actual height and the standard atmospheric height of a constant-pressure surface. D-value is the algebraic difference between true altitude and pressure altitude.
Industry:Aviation
The digit in a decimal number that has the highest place value. The MSD is the digit on the extreme left.
Industry:Aviation
The digit in a decimal number that has the lowest place value. The LSD is the digit on the extreme right.
Industry:Aviation
The digits of a decimal number, beginning at the first nonzero digit and extending to the right to include all of the digits needed to give the required accuracy. One-half expressed as a decimal fraction with one significant digit is 0.5. If greater accuracy is required, this same value can be expressed with three significant digits as 0.500.
Industry:Aviation
The dimension of a radar pulse. It may be expressed as the time duration or the length in linear units. The linear dimension of a pulse is equal to time duration multiplied by the speed of propagation, which is approximately the speed of light.
Industry:Aviation
The direct current forced through the secondary cells of a battery to charge them. Charging current restores the active material on the plates to a condition that allows them to change chemical energy into electrical energy.
Industry:Aviation
The direction an aircraft is pointed with respect to magnetic north. Magnetic north is the direction to the magnetic north pole, rather than the geographic north pole.
Industry:Aviation
