符号变换，字符切换：一种数据控制字符，按下后字符被解释为已按大写字母模式键入。
Computer Science A data control character after which characters are interpreted as having been typed in the uppercase mode.
采用改进的算法针对二进制方法点乘的椭圆曲线密码进行了符号变换故障攻击，利用仿真实验进行了验证。
Using the improved algorithm, we present the attack on elliptic curve cryptosystems with binary scalar multiplication, and verify it through software simulation.
基于对数字电视地面传输系统复杂度和性能代价的综合考虑，提出以符号变换为基础的IC I自消除模块替换卷积码模块。
Based on synthesis consideration of complexity and performance cost, this paper proposed a modified scheme of using the ICI self-cancellation module to replace the convolutional coding module.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
本文基于反对称矩阵的谱集，采用正交相似变换，得到一类具有零对角的符号模式矩阵具有唯一惯量的结论。
Based on the spectral set of skew-symmetric matrix, the result that a class sign pattern matrix with zero diagonal is unique inertia was proved by using orthogonal similarity transformation.
本文介绍沃希变换和符号位检测在地震勘探中的应用。
This paper deals with the Walsh Transformation and sign bits checking as applied to seismic prospecting.
有一种直接基于DFT的信道估计方法利用均匀梳状分布的导频符号和离散傅立叶变换（DFT）完成信道估计。
The direct DFT based channel estimation method uses comb-type pilot symbol and discrete Fourier transform (DFT) to estimate the channel.
虽然当前对小波变换系数幅值进行编码已有了比较高效的算法，但是现行的小波编码算法对小波变换系数符号的编码并非如同对幅值的编码那么有效。
While efficient algorithms exist for coding the transform coefficient magnitudes, current wavelet image coding algorithms are not as efficient at coding the sign of the transform coefficients.
IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。
IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.
本文依据数学形态学原理，根据文字、符号自身的几何和拓扑特征，构造了系列形态变换模型。
Based upon the principles of mathematical morphology, a series of morphological transforming models are constructed in terms of the graphical and topological characteristics of texts and symbols.
本文依据数学形态学原理，根据文字、符号自身的几何和拓扑特征，构造了系列形态变换模型。
Based upon the principles of mathematical morphology, a series of morphological transforming models are constructed in terms of the graphical and topological characteristics of texts and symbols.
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