Because hrv signal is unevenly sampled , direct spectrum estimation will cause wrong result . resample on hrv signal is necessary . in this chapter after comparing different evenly sampling methods , the best way - cubic spline interpolation is adopted in spectrum estimation 由于心率变异信号是一种不等间隔采样信号，不能直接采用傅立叶变换的方法进行频谱分析，因此将心率变异信号等间隔化是必要的。
Lastly , we change the unequal time distance wheel speed to equal time distance wheel speed . according to the model of torsional vibrations , we introduce the spectral estimation method to design tpms . when the tirepressure is leaking , the peakvalue of the periodogram of the wheel speed will move to the real axis 4 .利用核函数,提出了基于epanechnikov核函数的插值方法将采得的不等间隔的轮速信号转换成等间隔的轮速信号。利用轮胎滚动方向的振动性质提出了谱估计法。
A algorithm of shot coarse classification is proposed , firstly , key frames are extracted in equal interval in a shot ; then for a frame , dominant colors are obtained by hue , furthermore , the variance of dominant colors and ratio of clustered colors are computed , by which the corresponding frame could be classified into playing or non - playing frame , finally , a shot could be classified by the percentage of playing frames 2 .在镜头粗分类中,首先在每个镜头内等间隔地提取关键帧,随后得出主颜色序列,并对主颜色序列进行方差统计和聚类颜色比率的计算,最后依据比赛帧比率来进行镜头分类。
Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings , 10 - 30 min rainfall intensity , surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals . and specific systems associated therewith are developed for multiple - way communication and data collection and storage , a platform for analysis , retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis . 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region 以加密观测的多普勒雷达、 3小时探空、 10 30分钟雨强、地面雨滴谱等间隔取样及在gps引导下的飞机云物理探测等获取的三维高时空密度的综合探测为主体；配合专项设计开发的多路通讯采集存贮系统、多类信息的分析处理平台、主要观测项目的分析反演软件，结合多尺度云系模式，综合构成层状云系中微尺度探测和分析处理技术方法。
This layout can stop the internal arc fault expansion ; can avoid harmful moisture , small animal and dusty interferences . it also has good perfomiance and high reliability . because the heat cannot transmit to the outside of the bus room , a good operation environment for the low space can be obtained 主母线室置于箱体顶部一个单独的金属封闭的间隔内，并与10kv开关室、仪表室等间隔相互独立，为同类产品首创；这种结构可以防止内部电弧故障的扩大化，避免“火烧联营”事故；防护性能好，防潮、防小动物侵害、防积尘，运行可靠；由于母线室的隔热作用，为下层空间创造了一个较好的运行环境。
Through the contrast between two algorithms , that one is the color histogram intersection algorithm which is based on the rgb color model and the other is improve matching algorithm based on color sector of the hsv color space , the result indicates that the retrieval efficiency of the later algorithm is better than the first 本文通过与基于rgb颜色空间的颜色直方图交叉算法作比较，试验表明该改进的基于颜色感知特征的检索算法可以达到较好的检索效果。同时本系统对非等间隔量化算法和等间隔量化算法进行测试比较，结果表明前者优于后者。
Aimed at static image retrieval based on color , a multimedia image database which included three layers was designed and the search algorithm of the correlation and polymerization histogram was used in the article . to show color characteristic of image , the method of the hsb ( hue , saturation , brightness ) color space , which is suitable to the visual characteristic of human , is utilized . taking advance of human ' s feeling to color , it quantifies color sector with unequal interval , and get characteristic vector 针对基于颜色的静态图像检索，本文设计了一个三层的多媒体图像数据库，选用基于相关聚合直方图的算法，采用符合人类视觉特征的hsb颜色空间来表示图像的颜色特征，利用人对颜色的感知来对颜色分量进行非等间隔的量化并形成特征矢量，用距离度量函数进行图像的相似性匹配。
Secondly , we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity . as a result , simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature . this device has advantageous of simple design fabrication and low cost et al 进一步，我们设计了一种新颖的多波长掺铒光纤环形激光器，这种激光器是利用mach - zenhder ( m - z )光纤型干涉仪作为梳状滤波器，并且与复合腔共同选频，获得了窄线宽、等间隔的多波长同时输出，这种激光器具有在常温工作，结构简单，成本低等优点。
To show color characteristic of image , the method of the hsv color space , which is suitable to the visual characteristic of human , is utilized . taking advance of human ? feeling to color , it quantifies color sector with unequal interval , and get characteristic vector . finally , it matches the similarity of image with the algorithm of the histogram intersection 这种方法采用符合人类视觉特性的hsv颜色空间来表示图象的颜色特性，利用人对颜色的感知来对颜色分量进行非等间隔的量化并形成特征矢量，用直方图交叉算法进行图象的相似性匹配。
Testing the standard error of horizontal direction with a equi - spaced scale and processing the tested data with the method of relitive adjustment , we obtain that the testing error of leveling angle is less than one third of the error of leveling angle , which testifies the validity and feasibility of the method 摘要针对全站仪精度，采用等间隔标尺检测的方法测定水平方向标准差，用相关参数平差的方法对检测数据进行处理，求取全站仪水平测角精度，得到水平角测定误差小于水平角误差的三分之一，实验证明该方法的正确性和可行性。
