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.
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