查询词典 centroid

Also remember that the centroid latitude and longitudes for Zip codes may fall out of the physical Zip code area, depending on its geometry.

还记得，心纬度和经度邮政编码可能被排除在有形邮编领域，根据其几何形状。

On the basis of images analysis with MATLAB 7.0.1, image characteristics of transverse section of radial artery and centroid motion locus of pulse tracings with different width in a cardiac cycle were observed and analyzed.

在MATLAB 7.0.1软件对超声图像进行分析处理的基础上，观察周期运动中不同宽度脉象的桡动脉横切面图形特征和轴心运动轨迹的变化情况。

Pedal movements of icing and follow the great link and drive the little link, had to lower hip, the orders of having an effect of the knee, ankle joint; Supporting in the initial stage push-off and adopts the weight and pedals this kind of passive form of ice and pedals the ice only, The ones that are supporting on later stage and adopting by a large margin only are pedaling icing the speed that the way improves the centroid voluntarily, It is typical outburst type movements that this kind pedals technological movement of ice.

蹬冰动作遵循大环节带动小环节、由上至下髋、膝、踝关节的发力顺序；在单支撑蹬冰的初期采用体重蹬冰这种蹬冰方式，在单支撑后期采用采用大幅度快速蹬伸的蹬冰方式来提高质心的速度，这种蹬冰技术动作是典型的爆发式动作。

In this paper, motion model of star spot which is combined with the effect of CCD noise has been established. The centroid accuracy of the star spot affected by sub-pixels arithmetic and CCD noise were analyzed at different exposure time with CCD47-20 chip, and the optimum exposure time was calculated.

建立星敏感器星点像移模型和CCD噪声影响模型，分析了星点质心定位精度与曝光时间的关系，并以CCD47-20为例，对星敏感器的曝光时间进行了优化。

Wireless sensor networks;node location;RSSI;triangle and centroid location algorithm;trilateration algorithm

无线传感器网络；节点定位；RSSI；三角形质心定位算法；三边测量法

Develops an emulator for single target tracking of acoustic wireless sensor networks in Visual C++ 6.0 and MATLAB 6.5, and extensive simulations have been conducted to characterize performance of the node self-organizing algorithm, weighted-centroid target localization algorithm and trilateration.

在Windows操作系统平台上，使用Visual C++6.0和MATLAB 6.5开发了一个基于声音的无线传感器网络单目标跟踪仿真实验平台WinWSNSim，并在该平台上，对基于声音能量的传感器网络节点自组织策略、加权质心定位算法以及三边测量定位算法进行了仿真实验。

Aiming at the circumstances of time-varying target brightness or multiple targets with different brightnesses,a video amplitude controller feedback system is designed to precisely locate a spot target image on a linear CCD with edge detection by fixed dual thresholds and pixel subdivision by gray weighted centroid algorithm.

针对具有不同亮度的点目标或某点目标亮度不断变化的情形，设计了线阵CCD 视频幅值调节器反馈系统。

The results of spot pattern, centroid excursion, second moment radius and the Strehl ratio in the focal plane were obtained when the adaptive optics system was in the open or closed loop shape.

结果表明，Bradley-Hermann热畸变参数在300范围内，自适应光学系统相位补偿效果显著，Strehl比基本大于0.4。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。