格雷码

一种基于格雷码的异步FIFO设计与实现

A Design and Realization of Asynchronous FIFO Based on Gray Code

格雷码遗传算法虽然可以克服二进制编码的Hamming悬崖这一缺点，但也存在着收敛速度慢等问题。

Although gray code genetic algorithm can get over the Hamming distance problem , the convergence speed of gray code genetic algorithm is also slow .

格雷码（Gray）编码器与单片机的接口设计

Interface Design of Gray Encoder and Single-chip Microcomputer

提出一种基于RGB颜色格雷码的结构光编码方法。

A structured light 3D encoding scheme based on RGB color Gray code is presented .

文章较为详细地介绍了利用格雷码指针实现不同时钟域数据传输的FIFO设计。

In this paper , a new FIFO design is introduced in detail , by which data are passed between different clock domains by using Gray code pointers .

在特征提取过程中，基于信号处理的空间-频域技术，针对Gabor滤波器的不足，采用Log-Gabor滤波器提取虹膜的纹理信息，进行相位量化并且采用格雷码构造虹膜特征码。

In iris texture process , we use Log-Gabor filter instead of Gabor filter to extract the texture feature and encoding the phase response with Gray code .

输出码为格雷码10bit；

Its output signal is 10 bit of Gray code .

引进求解非线性极大极小问题的格雷码加速遗传算法（GAGA），给出GAGA算法实施的详细步骤，建立了GAGA相应的收敛定理。

A Gray coding based accelerating genetic algorithm ( GAGA ) was presented for nonlinear minimax problems . Detailed steps were developed for the GAGA , and a corresponding convergence theorem was given .

同样也采用两种设计方法实现了双时钟通用FIFO的设计，并对双时钟异步FIFO的设计难点进行了探讨，其中格雷码双时钟通用FIFO的设计方法较好地解决了亚稳态的问题；

Similarly , the paper employs two methods to realize the dual-clock FIFO memory . Some challenges exist in the design of the dual-clock FIFO memory , the metastable disturbance has been settled well by designing the Gray-code dual-clock generic FIFO memory .

介绍一种罗经航向采集设计方案，阐述了基于新推出的ADμC812单片机的格雷码采集及幅值采样电路的原理，并对采集算法及误差进行了分析。

This paper introduces a designed project of compass heading acquisition . Firstly it expatiates the acquisition theory of Gray code and the theory of extent sampling circuit basd on the use of the new AD μ C812 single-chip machine . Finally it analyses the algorithm and error of acquisition .

格雷码混合加速遗传算法及其性能分析

A gray code hybrid accelerating genetic algorithm and its property analysis

第二种设计方案利用了格雷码的特性进行满/空判断。

The characteristic of Gray code was used in the second project .

格雷码加速遗传算法及其理论研究

Gray Coding Based Accelerating Genetic Algorithm and Its Theory

格雷码色标微机检测系统

Microcomputer-Based Detecting System for Gray Coded Mark Recognition

用游程长度受限码存储三进制数初析m元格雷码

Primary Analysis of Storing Ternary Numbers by Using Run-Length-Limited Coding * m-Ary Gray Codes

介绍了一种基于单板微型计算机的格雷码色标检测方法。

A single board microcomputer-based detecting system for Gray coded mark recognition is introduced .

文中给出了反射二进制（格雷码）计数器的实用电路及设计要点。实验表明，这种计数器不存在竞争冒险。

The design of reflected binary counters without race hazard is described and is verified by experiment .

格雷码以及应用

Gray - code and Application

在基于格雷码和相移技术进行三维测量的过程中，相移光栅的非正弦性对测量精度有较大的影响。

In 3D sensing based on gray-code and phase shifting , non-sinusoidal phase-shifting gratings influence the precision markedly .

采用格雷码作为地址编码，引入虚拟地址页来产生标志位。

The design makes use of grey code as its address code and generates flag bit by dummy-address-page .

时间顺序标码是按照层次网络的结构组织起来的。格雷码色标微机检测系统

Each temporal sequential marker has a hierarchical network organization information . Microcomputer-Based Detecting System for Gray Coded Mark Recognition

本文提出了一种结合浮点数编码和格雷码编码的混合编码遗传算法。

A hybrid code genetic algorithms which efficiently combines float code with gray code is proposed in this paper .

使用格雷码绝对式光电编码器检测转子位置，提出了一种格雷码数据查表方法，简化了程序设计；

Gray-code absolute-photoelectrical-encoder is used to obtain rotor position and a gray-code data-reference table is presented to simplify program design .

根据传统相移方法计算速度慢的特点设计了格雷码结合灰度梯形相移方法，并对涉及到的关键技术进行研究。

A coding by gray code combining with grey trapezoidal phase-shifting is designed and against the disadvantage of slow computing speed .

巧用卡若图表示格雷码和十进制、二进制数码的关系

Ingeniously Use the Relation between the Gray Code and the Decimal System and the Binary System Code with the karnaugh Diagram

该控件有以下特点：第一，该控件实现了多种编码：二进制编码、实数编码、格雷码编码，用户可以自行选择。

The controller has the following characteristics : First , the controller realizes a variety of codes : binary code , real code , gray code , which users can choose .

本文简要叙述了基于格雷码式编码器同步电动机转子位置检测的工作原理，给出了初始定位的实现方法。

This paper briefly introduced a basic principle of rotor position detection for synchronous motor based on Gray code shaft encoder . A realization method of initial positioning is also provided .

针对这些问题，本设计使用同步器和格雷码编码指针的方式避免了亚稳态出现；设计了两种不同的方案，来生成满/空标志信号。

For these problems , synchronizer and Gray code were used as the pointers of asynchronous FIFO to avoid metastability . Two different projects were used to assert full flag and empty flag .

系统采用按时间编码方式，用投射器向被测景物按次序投射一组灰度格雷码图案，并由摄像机从一定角度摄取其强度图像；

The system adopts the time encoding , project a set of gray code pattern to the object in order by projector , and the camera take the intensity image from a fixed angle .

本文详细介绍了遗传算法的各个步骤的主要的实施技术，分析了二进制编码和格雷码编码两种编码方法，改进了适应度变换的实施技术。最后将混沌算子引入遗传算法。

This paper will introduce every step of implement techniques of algorithm in detail , analyze binary coding and gray coding , improve the method of fitness scaling and combine chaos with genetic algorithm .