有效函数

In the algorithm designs of hardware, it is difficult to realize the function that is both time-consuming and occupy area such as floating decimal circular functions, exponential function and logarithm function.

在硬件算法设计中，浮点三角函数、指数函数及对数函数等操作是既费时又占用面积的操作，很难有效实现。

A new fusing facial feature recognition algorithm based on kernel Canonical Correlation Analysis was proposed,for mapping image data into feature space and improving classifying accuracy.

为了更有效地映射图像数据样本到可分类特征空间，提高分类正确率，提出了一种新的基于核函数的典型相关分析的融合人脸识别算法。

The algorithm performs discrete cosine transform on sub image of host image, which is cover by visible watermarking, and compresses sub image by select the set of visually important DCT coefficients. Then, the algorithm hides the compressed sub image, which is encrypted by the hash function that is constructed by Rijndael code, in the high coefficient of wavelet domain.

算法将水印图像与宿主图像进行融合，并对隐藏子图采用DCT变换，按Zig_Zag排序保留视觉重要DCT系数的方法作压缩处理，并利用Rijndael密码构造单向Hash函数作加密处理，最终分散嵌入到宿主图像的带参数的整数小波域中的高频系数，实现了可见水印的有效嵌入。

Secondly, Pre-emphasis is used to improve the high boost in WWF algorithm. In the same way, using an effective frame regrouping precept improve frame overlapping and regrouping, designing an new SH window to window function's design, selecting coif wavelet as the analysis wavelet basis to wavelet basis's selection, discarding the unvoiced frames by threshold-wavelet transform to unvoiced/voiced frames' distinguish, and solving the wiener gain by the fake cepstral subtraction to Wiener gain's getting as well.

采用进行预加重处理、设计有效的帧重组方案、自定义SH窗、选用coif小波作为分析用小波基、采用加阈值小波变换法去除清音帧，和基于伪倒谱相减法求解维纳滤波增益系数等方法，分别对模型中高频提升、帧重叠与重组、窗函数设计、小波基选取、清浊音判别及维纳滤波增益系数获取等实现细节进行研究和改进。

The metal nanocrystals memories come into notice as so many advantages. The advantages of metal nanocrystals over their semiconductor counterparts include low power consumption, higher density of states, smaller energy perturbation due to carrier confinement, stronger coupling with the channel, better size scalability, and the design freedom of engineering the work functions to optimize device characteristics.

然而金属的量子点记忆体在近年来受到瞩目，其相对於传统半导体材料用於量子点记忆体上，有诸多的优势，其优势包含低功率耗损、高密度的能阶、没有明显的量子局限效应、有效降低元件尺度、且可调变的空间大，因为随不同的金属有不同的功函数。

Obconica were always higher than that of P. vulgaris. In the experiments of medicament treatment Membership Function was introduced to have a comprehensive evaluation on heat-resistance of P. obconica and P. vulgaris under five levels of fixed temperature. The results were as follows: P. obconica 30℃: The compages of SA 150 mg·L~(-1 and CaCl_21500 mg·L~(-1 can increase plant"s heat-resistance observably. 32℃: Using SA only 200 mg·L~(-1 can increase plant"s heat-resistance observably.34℃: The compages of SA 50mg·L~(-1 and CaCl_21500 mg·L~(-1 can increase plant"s heat-resistance observably.36℃: The compages of SA 50 mg·L~(-1 and CaCl_22000 mg·L~(-1 can increase plant"s heat-resistance observably.38℃: The compages of SA 150 mg·L~(-1 and CaCl_21000 mg·L~(-1 can increase plants heat-resistance observably.

运用隶属函数法对经过药物处理的两种报春进行综合评价，得出五个温度条件下各处理间耐热性的强弱，四季报春：30℃：150 mg·L~(-1)的SA和1 500 mg·L~(-1)的CaCl_2的组合对于提高四季报春的耐热性最好，其次是100 mg·L~(-1)的SA和1000 mg·L~(-1)的CaCl_2的组合处理；32℃：单一施用200 mg·L~(-1)的SA达到了最好的效果，其次是施用100 mg·L~(-1)的SA和1500 mg·L~(-1)的CaCl_2的组合，效果最弱的是单一施用500 mg·L~(-1)的CaCl_2；34℃：混合施用50 mg·L~(-1)的SA和1500 mg·L~(-1)的CaCl_2对于提高四季报春的耐热性效果最好；36 ℃：混合施用50 mg·L~(-1)的SA和2000 mg·L~(-1)的CaCl_2对于四季报春耐热性的提高效果最好，而单一施用100 mg·L~(-1)的SA的效果最弱；38℃：150 mg·L~(-1)的SA和1000 mg·L~(-1)的CaCl_2混合施用能有效提高四季报春的耐热性。

Four kinds of image cost function are discussed. The comparison of the proposed function is performed by analyzing the simulation and experimental results.

我们比较了四种典型的图像评价函数，仿真和实测数据的计算结果表明，逐级逼近算法是一种有效的计算方法。

To work effectively, an associative container needs to use the same comparison function for every operation.

要有效地工作，关联容器需要对每个操作使用同一比较函数。

It can be used for solving multi-objective problems with a concave ob-iective and cost function s and a convex feasible region, The program of the algorithm is writ-ten in ANSIC language and has been successfully run on IBM P/IAT-286 and 386 machines.

系统地讨论了非线性多目标最优化算法─—广义ZW法，它是Zionts－wallenius法的改进和推广，使得ZW方法能够有效地解决具有凹目标与价值函数，以及凸可行域的非线性多目标最优化问题。

Experimental results show the recognition rate of the method is 95%for a known expresser and 72% for a novel expresser. Aiming at the shortcomings of optical flow technique,two improved optical flow algorithms are presented.One way is to introduce forward and backword constraint eqution and Hessian matrix of optical flow equation is computed.The well- posedness of each point of local neighbourhood is examined and the weight of Lucas-Kanade's method is defined as the reciprocal of the conditioning number of its Hessian Matrix.

3针对传统光流法的缺点，分别提出了两种不同的改进方法：其一为引入前向-后向光流方程，计算其Hessian矩阵，把Hessian矩阵条件数的倒数作为Lucas-Kanade光流法的加权阵，可有效消除局部邻域中不可靠约束点，同时提高基本约束方程解的稳定性；其二为针对传统光流法只适用于刚体运动的特点，在扩展约束光流方程的基础上引入了div-curl样条函数作为扩展光流约束方程的附加约束条件，给出了一阶和二阶div-curl样条约束下光流的数值解。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了