NanoVue Receiver
Version 1
Part A - User Guide
Operating your NanoVue
DS000042 Commercial in Confidence
Appendix A-Glossary
A-00 General
The glossary contains some abbreviations and terms you’ll need to know.
A-10 Glossary
Alternating Current. Current that is continually changing in
magnitude and periodically in direction from a zero reference
level.
In cryptography, the Advanced Encryption Standard (AES)
is an encryption standard adopted by the U.S. government. The
standard comprises three block ciphers, AES-128, AES-192 and
AES-256, adopted from a larger collection originally published as
Rijndael. Each AES cipher has a 128-bit block size, with key
sizes of 128, 192 and 256 bits, respectively.
Amplification The process of increasing the strength (current, voltage or
power) of a signal.
Amplitude The level of an audio or other signal in voltage or current. The
magnitude of variation in a changing quantity from its zero
value.
Amplitude
Modulation
Modulation in which the amplitude of the carrier wave is varied
above and below its normal value in accordance with the
intelligence of the signal being transmitted. Also called AM.
Analog transmission is a transmission method of conveying
voice, data, image, signal or video information using a
continuous signal which varies in amplitude, phase, or some
other property in proportion to that of a variable.
Antenna An
) is a transducer designed to radiate or
receiver electromagnetic energy (generally RF).
Antenna Bandwidth The frequency range over which a given antenna will accept
signals.
Antenna Gain The effectiveness of a directional antenna as compared to a
standard non-directional antenna. It is usually expressed as the
ratio in decibels of standard antenna input power to directional
antenna input power that will produce the same field strength in
the desired direction. For a receiving antenna, the ratio of signal
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