Gray code

(Computer Science) a modification of a number system, esp a binary code, in which any adjacent pair of numbers, in counting order, differ in their digits at one position only, the absolute difference being the value 1

[named after Frank Gray, 20th-century American physicist]

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References in periodicals archive

In this paper, an algorithm for a digital image cryptosystem based on gray code number system independent of the shape or size of the image is proposed.

Methodology for Image Cryptosystem Based on a Gray Code Number System

Everyone we spoke to in the encoder manufacturing business--and that's not many--agrees that Gray code is on the way out.

Altitude encoders: Cheaper if not smaller: as ADS-B demand ramps up, so go encoder sales. Price competition is fierce and Trans-Cal has responded with a new model

Implementation of binary to gray code converter and parity device has been done using electro-optic based MZIs [6].

Implementation of 4 bit electrical gray to optical binary converter using the electro optic effect in the Mach Zehnder interferometer

Circuits of the encoder proposal consist of gray code circuits and decoder circuits.

Design of a low-power flash analog-to-digital converter chip for temperature sensors in 0.18 [micro]m CMOS process/Projeto de um conversor analogico-digital flash de baixa potencia para sensores de temperatura em processo CMOS a 0,18 [micro]m

The interface programs through the host controller's (PLC) software, and is compatible with most gray code or binary SSI sensors including rotary encoders, linear sensors, barcode readers, and laser distance sensors.

SSI Interface for Networked PLCs

According to [22] and [24], the BER of MQAM with Gray code over additive white Gaussian noise (AWGN) channel for the received SNR [rho] and constellation size [M.sub.j] is approximately given by

Performance analysis of space-time coded MIMO system with discrete-rate adaptive modulation in Ricean fading channels

Measurement Technology by Structured Light Using Stripe-Edge-Based Gray Code, Journal of Physics: Conference Series 48 (2006) 537-541

Mobile 3D object measurement system based on active triangulation method