运算速度

In present,the function of monitoring system is more and more formidable,the requirement of data processing speed is more and more high,the monitoring system based on embedded technique ment the fast calculation ARM embedded microprocessor and the popular real-time and multitask operate system of μC/OS-II,it puts forward one project of medical treatment monitoring system which is used to monitor ECG,blood pressure,blood oxygen saturation and animal heat.

针对目前监护系统的功能越来越强大，对数据处理速度的要求越来越高，基于嵌入式技术的监护系统充分利用运算速度较快的ARM嵌入式微处理器和当前流行的μC/OS-Ⅱ实时多任务操作系统，提出一套用于监测人体心电、血压、血氧饱和度和体温的医疗监护系统的研制方案。

On the basis of analysis and comparison of their strengths and weaknesses, each method can find its applied occasion. With energy method, we can conveniently control the precision of the objective surface and add boundary constraints for preserving the models global geometric continuity, but this method is very time-consuming.

其中基于能量原理的光顺方法能够方便地控制目标曲面的精度和边界条件，从而能够实现曲面模型的全局连续性，但是能量法的运算速度还有待提高；刚度调整法实现简单，但是生成的曲面的可编辑性较差；小波分解方法计算速度很快，能够有效地实现数据压缩，但是其逼近误差和边界条件却难于控制。

The comparison between calculation speed of GOA method and the one of the is given.

对比GOA方法和GLMT的计算速度，结果表明GOA方法具有较高的运算速度。

Up to now, the whole operational speed of existent CNN chips has reached Tera magnitude, which can great improve the speed and real time of video processing.

目前已有的CNN芯片的整体运算速度都已达到了Tera级10~(12，即兆兆级，其对于提高视频处理的速度和实时性是不言而喻的。

The servo controller regards TI Company DSP chip TMS320LF2407A as the main chip,has adopted standard ISA bus structure,has high -integration and high-agility,has accomplished in real-time complex boolean calculation and control algo- rithms during motion control,and can be used to realize high-speed and high-accuracy servo control for mul- tiple axis.

O前言以DSP为核心的多轴伺服控制器越来越广泛地应用在运动控制系统中，上位机只需对被控对象实施总体的控制和管理，而位置反馈信号的采集，闭环控制计算及控制量的输出均由伺服控制器完成，具有运算速度快，支持复杂的运动算法的特点，能实现高速度、高精度的位置伺服或轨迹

Due to the luck capability in the floating-point operation of PCC, the interpolation method most compatible with the axial-flow adjustable-blade water turbine collaboration can be confirmed, compared with the other collaboration interpolation method. The method is improved on the basis of regular linearity interpolation. It increases the precision of interpolation and rapidity of operation.

2：针对PCC浮点运算能力不够强的特点，通过对比多种协联插值方法，寻找出适合在轴流转桨式水轮机协联运行中运用的插值方法，该方法在常规线性插值的基础上进行了改进，做到了在提高插值精度的同时，又兼顾了一个较快的运算速度。

By comparing the performance of two algorithms, it is proved that the adaptive genetic algorithm based on continuos variables is more robust and faster.

通过对比改进前后遗传算法的精度和速度，证明了改进后的自适应遗传算法稳健性能好，运算速度快。

Chris said that we could potentially create a computer chip the size of a grain of rice that would be more powerful than today's fastest supercomputer (which I believe presently does around 36 teraflops), and it would cost less than a penny and could be manufactured in seconds.

Chris说，我们完全有可能创造一种米粒大小的电脑芯片，它会比现在最快的超级电脑（现在最快的运算速度应该是每秒36万亿次浮点运算）还强大，而且它便宜得要死，几秒钟就制做完成了。

The pipelined CORDIC architecture is very suitable for FFT butterfly operation because of its high throughput and regularity, but it will consume lots of resources,this article presents an improved architecture of CORDIC pipeline,starting with the property that the FFT rotary factor is fixed but not arbitrary,and according to the mapping between the basic rotational angle of CORDIC and scale factor and the rule for transform among the scale factors.On the condition that the velocity of FFT butterfly operati...

CORDIC流水线结构因其高吞吐率及规整性，而很适合于FFT蝶形运算，但其缺点是耗资源多，本文从FFT中旋转因子固定不任意的特点出发，根据CORDIC基本旋转角度与缩放因子的对应关系和缩放因子之间的转换规律，对CORDIC流水线结构进行了改进，在蝶形运算速度不变的情况下，进一步减少所耗资源，在字长为16位的FFT中，每个旋转因子可用25位的控制序列来替代，从而使每个旋转因子的存储空间由32位减少到25位。

With comparing the reference values of the sensor-level, the Averaged Root Mean Square Error of position, velocity, and acceleration were found about 77.08%, 60.10%, and 32.31% improved. Also, the performance indexes of position, velocity, and acceleration with the local-processor were found to be larger (about 47.91%, 30.33%, and 12.71%) than with the global-processor, respectively.

经蒙地卡罗电脑模拟结果，验证所采用的联邦α-β-γ滤波器，可减少计算量的负荷，提升滤波器的运算速度，且在全域处理器中使用之资讯融合演算法，无论在位置、速度及加速度之估算误差收歛上，均有优异的性能，相较於感测器层平均效能分别提升了约77.08%、60.10%及32.31%；相较於区域处理器层平均效能分别提升了约47.91%、30.33%及12.71%，验证本研究所提出之资讯融合演算法，可明显改善追踪精确度。

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。