运算速度

In many fields related to information security, people use Hardware Cryptographic System, such as cryptographic processor、 cryptographic accelerator、smartcard or USB key, to provide high speed data operation and to improve the security of the whole system.

在很多涉及信息安全的系统中，人们采用了诸如高速数据密码卡、密码机、智能卡、USB KEY等硬件密码设备来提高密码运算速度和系统的安全性。

It full uses of DSP chips for high speed and the advantages of command and MATLAB powerful numerical analysis, signal processing and graphics capabilities to calculate voltage flicker value.

它充分利用DSP芯片运算速度快和专用指令的优点以及MATLAB强大的数值分析、计算、信号处理及图形显示功能等来计算电压闪变值。

With the advancement of science and technology, some new theories and new ways emerged gradually, some of them merged with specific theoretical tools, this specific theoretical tools include mathematical morphology, fuzzy techniques, neural networks, wavelet and so on. Secondly, in this paper, it described and analyzed the segmentation method based on the edge in the domain of image segmentation in detail. It did experiments on several edge detection operators using MATLAB, it summarized the advantage and the shortcoming of traditional edge detection operators, and the operating environment. On the basis of the experimental analysis, it implemented an edge location more precise, more efficient operating speed edge extraction method——Template Vector. In this method, it optimized differential approximate calculation of first differential operators the paper mentioned. After experimented on this edge extraction method, contracted with the traditional methods, the edge outline is extracted more accurately and more exquisitely, furthermore, it retained the object outline furthest, and achieved more satisfied edge extraction result.

其次，对图像分割领域中常用的基于边缘的分割方法进行了详细的研究与分析，对各种边缘检测算子进行了MATLAB环境下的实验，分析总结了各种传统边缘检测算子的优缺点和适应环境，并针对传统边缘检测算子在处理显微图像时的缺陷，在实验分析的基础上研究并实现了一种边缘定位更加精确、运算速度更加快捷的边缘提取方法——模板向量算法，在该算法中，对文章提到的一阶微分算子中微分的近似计算作进一步优化，经过对该边缘提取方法进行实验，其结果与传统方法相比，轮廓提取更为精确细腻，且最大程度的保留了图像中物体(目标个体或者明显噪声点)的轮廓，得到了比较理想的边缘提取效果。

It shows that mirrored adder is better than carry look ahead adder in arithmetic speed and layout.

结果表明镜像加法器在运算速度、版图布局上都优于超前进位加法器。

The ACA board is the most important and difficult point in the system design of airborne SAR RTDIP, which has high requirements on arithmetic speed and memory.

方位向压缩处理板是机载SAR实时数字成像处理器系统设计中的重点和难点，对系统的运算速度及存储器容量均有较高的要求。

The method can not only overcome high probability of misrecognition due to numerous Tibetan characters, but also solve the low arithmetic speed owing to plenty feature vector dimensions.

该方法在一定程度上克服了藏文字丁极多而造成的误识率高的缺点，并且解决了由于特征向量维数较多造成的运算速度慢的问题。

SBR can be successfully used in the analysis of trihedral corner reflectors, the improved arithmetic enhances the speed of calculation greatly.

结论将射线跟踪法应用于三面角反射器的后向散射场的研究中；改进后的算法不但计算准确而且运算速度也有所提高

We realize the Neural Networks algorithm by exploring FPGA and MicroBlaze embedded hardware design. In this way, we can improve the arithmetic speed, realize the specific function in the chip, and diminish the system size.

神经网络评级算法采用FPGA和MicroBlaze嵌入式硬件实现，加快了该算法的运算速度，实现了专用芯片的功能，大大缩小了系统的体积，便于系统实现小型化、集成化。

Arithmetical speed and used memory capacity in general program computer is decided by mathematical model of circuitry network.

电路网络的数学模型决定了计算机通用程序的运算速度和占用的存贮量。

System volume flux was gained by loop integral the momentum equation. The simulation program was complied under the real-time simulation support system, ASCA.

在实时仿真支撑系统ASCA下编写了计算程序，通过改变程序运算速度达到实时的需要。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。