Gray code


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Gray code

n
(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.
Everyone we spoke to in the encoder manufacturing business--and that's not many--agrees that Gray code is on the way out.
For the PMERP problem, a Gray code coding technique is adopted to reduce the PMERP.
The present study employed a scanner projecting a hybrid set of images, consisting of sinusoidal stripes preceded by a Gray code sequence [11].
Gardner, "The binary Gray code," in Knotted Doughnuts and Other Mathematical Entertainments, chapter 2, W.
Implementation of binary to gray code converter and parity device has been done using electro-optic based MZIs [6].
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.
* A 5-bit gray code output with 12 or 24 positions.
If gray encoding is incorrect, the gray code check will fail, and a VCD trace will be generated.
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
Measurement Technology by Structured Light Using Stripe-Edge-Based Gray Code, Journal of Physics: Conference Series 48 (2006) 537-541