Specifications

Glossary
ADC Analogue to Digital Converter. In the context of this project, one of
the microprocessor’s on-board peripherals.
APN Access Point Name. Required for GPRS PDP context configuration.
ASCII American Standard Code for Information Interchange. Standard
referring to the binary representation of alphanumerical characters and
control codes for the purposes of electronic communication.
ASIC Application Specific Integrated Circuit. A device whose hardware is
specifically engineered to perform a single function.
AT command A standardised command issued to a modem. Short for
“attention.”
BCC Block Check Character. Texas Instruments term for CRC checksum.
CRC Checksum Cyclic Redundancy Check Checksum. A code used to
verify the integrity of e xchanged data.
EEPROM Electrically Erasable Programmable Read Only Memory. A
form of non-volatile memory which can be re-written electrically.
EM wave Electromagnetic Wave. Term used to describe a self-propagating
wave with electric and magnetic components.
FFT Fast Fourier Transform. Technique for obtaining the discreet Fourier
transform effic iently.
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