linear adj. 1.线的,直线的。 2.长度的。 3.【数学】一次的,线性的。 4.【动、植】线状的;细长的。 5.由线条组成的,以线条为主的,强调线条的。 linear amplification 直线放大。 a linear equation 一次方程式。 a linear leaf 线形叶。 linear arts 线条艺术。
These facts suggest a simple way of characterizing linear operation . 这些事实提示我们,可以用一个简单方法来描述线性运行。
We show the difficulty in hardware implementation by complexity analysis , then based on the analysis we provide our scheme , which has low complexity and has been proved to be equivalent to the mmse algorithm without iterations . we provide a scheme called the mmse - llr ( logarithm likelihood ratio ) which is the simplified llr demodulation scheme and omitted a lot of non - linear operations 然后提出自己的简化方案,即通过简要的推导证明在无循环的情况下mmsesic检测算法完全等同于mmse检测算法,结合运算的特点提出了简化的对数似然比解调方案,从而省去了大量的非线性运算,简化后的方案在文中被称为mmse - llr检测方案。
Obviously rc6 is not square - like cipher . square attack can only attack few rounds of rc6 , because the data - rotations of rc6 affact the rules of propagation for active and passive words , which makes square attack ineffective . we analyse the square attack against serpent which is bit - oriented cipher , and the result shows that square attack on serpent is weak , because the bit - oriented linear operations interrupt the rules of propagation for active and passive multiset 我们将square攻击应用于rc6密码,发现square攻击只能攻击少数几轮rc6 ,这主要是因为rc6的数据依赖循环运算打乱了活动字节和固定字节的传播路径,使得攻击无法进行。我们分析了对serpent密码的square攻击, serpent密码的按比特线性混合运算打乱了所构造multiset的传播路径,使得攻击只能进行到3轮serpent密码。