如果保持存储量不变，改进的攻击过程需要大约2127次加密运算。
When the same memory is used as GilbertMinier's attack, the time complexity is about 2127 encryption operations.
在保证频谱分辨率不变的情况下，通过减少参与FFT运算的点数来缩短运算时间，提高激光波长测量装置的反应速度。
Under the condition of unchanging the spectrum resolution, the latency of the laser wavelength measurement system is improved by reducing the samples of FFT operation.
以全搜索块匹配算法为例的实验表明，该算法在保持精度不变的前提下，运算量最终减少到8.72%。
Experimental data on full search block matching algorithm indicates that the proposed method keeps the accuracy while the computation load is reduced to 8.72%.
本文提出了一种完全依照理想运算放大器的特性，对含这类元件的线性时不变电路利用PSPICE进行计算机仿真的新方法。
New systematic approach to the simulation of circuits containing ideal operationamplifiers using the standard simulators such as PSPICE is first presented.
在视频图像信噪比基本不变的情况下，达到运算时间降低，提高编码效率的效果。
The result shows it can reach lower operation time and great video encoding efficiency in stable videos SNR.
基于数学形态学的对偶法则以及数学形态学理论与线性位移不变系统理论间的关系，引入了偏振编码技术，提出使击中与否运算通过单通道取零阈值非相干光学相关器来实现的方案。
With polarization encoding, the scheme combines the foreground and background of an image into an encoded image, so the hit-miss transform can be completed by an erosion operator, one-channel re.
相对于行列分解法，该算法节省了约一半的乘法次数，省略了数据的转置存储过程，而加法的运算复杂度基本维持不变。
Compared to Roll and Column Method (RCM), this new fast algorithm reduces half of multiplication times, eliminates transposition of data, and retains computational complexity of addition.
通过矩阵运算，证明了奇异值特征矢量在图像做缩放变换时具有不变性，并将这种性质运用于图像匹配。
By matrix operation, the invariance of image singular value vector about the reducing and enlarging transformation is proved, and this character is applied to the image matching.
在符号同步其它性能指标不变的情况下，该算法大大地减少了运算量、缩短了同步建立时间。
When other performance indexes is fixed, the algorithm greatly decreases the mounts of calculation and shortens the synchronization establishing time.
本文研究了图像的区域编码和区域逻辑运算，并利用此运算在保持目标轮廓不变的情况下实现了目标区域孔径的填充。
Region encoding and region logical operation were studied. The holes in an object are filled using region encoding and region logical operation with the shape of the object un-changed.
理论分析和实验测试表明，优化后的算法在精度保持不变的情况下，可以提高运算速度和降低系统所占用的硬件资源。
The theoretical analysis and experimental tests indicate that with the same precision, the optimized arithmetic can increase the operation speed and decrease the system occupying hardware resource.
利用运算式值中所指定的位元数来将变数值进行向右移位，保持正负号不变，然后将结果指派给变数。
Right shifts the value of a variable by the number of bits specified in the value of an expression, maintains the sign, and assigns the result to the variable.
利用运算式值中所指定的位元数来将变数值进行向右移位，保持正负号不变，然后将结果指派给变数。
Right shifts the value of a variable by the number of bits specified in the value of an expression, maintains the sign, and assigns the result to the variable.
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