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Hamming Block Code Channel Decoder (m18665)
Author: Ed Doering
Keywords: binary symmetric channel, block coding, channel decoder, channel encoder, checkbits, correction power, error control coding, error correction, error detection, generator matrix, Hamming code, Hamming distance, LabVIEW, modulo-2 matrix multiplication, (n,k) block code, syndrome, syndrome table, table lookup decoder
Summary: Channel encoding inserts additional information into a transmitted bit stream to facilitate error detection and error correction at the receiver. Block coding breaks up a bit stream into words of length k bits and appends check bits to form a codeword of length n bits. A corresponding channel decoder examines ... encoder/decoder system.
Subject: Science and Technology
Language: English
Popularity: 79.12%
Revised: 2008-11-29
Revisions: New
Texting Over the Speaker-Air-Microphone (SAM) Channel (m18670)
Author: Ed Doering
Keywords: amplitude shift keying, ASK, bitstream regeneration, bit synchronizer, envelope detector, frame synchronization, LabVIEW, preamble, receiver, receiver filter, speaker-air-microphone channel, text messaging, transmitter
Summary: Texting and instant messaging are familiar and popular communication techniques. Text messages composed of ASCII characters, with each character composed of eight bits, ultimately form a stream of bits transmitted from the source to the receiver. Normally the text message moves through a complex data network, and the user only ... ASK receiver.
Subject: Science and Technology
Language: English
Popularity: 86.44%
Revised: 2008-11-29
Revisions: New
Lab 2: C and Macros with Texas Instruments' MSP430 (m11852)
Keywords: C, macros, MSP430, Texas Instruments, TI
Summary: Programming basic C on an embedded processor.
Subject: Science and Technology
Language: English
Popularity: 94.40%
Revised: 2005-08-31
Revisions: 14
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