error distribution造句
例句与造句
- Consistent kernal estimate of error distribution in linear model under dependent samples
相依样本下线性模型误差分布的相合估计 - In this research , error distribution and size is being used to design this measure instrument
研究中对测量仪采用误差分布与大小去指导设计的方法。 - The error distribution in scan digitization may not obey the normal distribution , and is greatly affected by the systematic error
扫描数字化误差分布检验表明扫描数字化误差不一定服从正态分布,扫描数字化数据受系统误差的影响较大。 - As not to need linearization , its advantage is to take all the influence of reflection wave travel time in each layer to the whole crustal model into account , and consider the error distribution of observed data at the same time
其优点是在不需要把问题线性化过程的同时,统一考虑了各层反射波走时的离散对整个地壳模型的影响,又可兼顾观测数据的不同误差分布。 - Based on the characteristic of system , the antenna is designed with one transmitter and two receivers and the localization principle of twsr is analyzed . target localization algorithm and error distribution computing method based on time - only - localization ( tol ) are proposed
同时根据系统特点,天线采用单发双收方式,分析了穿墙探测雷达定位原理,提出了基于波达时间( tol )的目标定位算法和误差分布计算方法。 - It's difficult to find error distribution in a sentence. 用error distribution造句挺难的
- The distributions studied are normal distribution , student - t distribution , skewed student - t distribution and general error distribution . besides this , considering the conditional heteroskedasticity of the time serial in financial market , apply the garch model into the estimation of var
在此基础上,研究了证券市场上时间序列收益率波动的条件异方差性,考虑中国证券市场的风险特征,将garch系列模型与var模型相结合,构造了基于不同分布条件下的var模型。 - This paper stated the application of parallel link mechanism in modern machine tools , set up the error analysis as to parallel link mechanism in the virtucal - axis machine tool , derived the double triangular error equations of parallel link mechanicsm in its horizontal posture , analyzed the linearity and non - singularity of the error equations , thus giving the normal splution to the horizontal posture error . the error distribution law is simulated as to the center line in the workplace , and the error distribution curves are drawn as well
该文对并联机构在现代机床上的应用作了论述,建立了虚拟轴机床并联机构的一种误差分析方法,应用坐标变换原理导出了双三角并联机构水平姿态时的误差方程组;分析了误差方程组的线性和非奇异性,给出了水平姿态时的位姿误差正解;对工作空间中心线的误差分布规律进行了仿真,绘制了其误差分布曲线。 - Actual application shows this system can effectively improve projectile dimension measurement precision and give the error distribution . testing result shows the system measurement error less than 10 microns for internal / external diameters and 100 microns for the external length . hence the measurement system can guide the machining processes and helps to control product quality
实际应用表明该系统可以有效地提高弹体尺寸的测量精度并定量评价弹体的尺寸误差,内外径和同轴度的测量精度可达10微米以内,外长的测量精度可达100微米以内,能有效地指导加工的工艺流程和加工的尺寸精度控制。 - In the third part , the essences of steganography and disadvanges of common visual perception evaluation , such as psnr and wpsnr are studied . based on analysis local error that is introduced by embedding information , combining hvs , three objective perception evaluation method for steganography performance are proposed , which are based on human visual systems and local statistic error distribution respectively . in the steganalysis part , a steganography security statistic attack model and methods for some steganography methods are presented
在信息隐藏的性能评价方面,研究了常用的峰值信噪比,加权峰值信噪比等前人提出的感知性能评价准则,指出针对信息隐藏的性能评价不能单纯从视觉特性出发,提出从信息隐藏的数据特性和感知特性出发,结合局部特性来考察失真误差的变化的思想,并据此提出基于局部区域误差统计分布和视觉掩模方法评价信息隐藏性能的方法。 - The result of a discussion about the statistical distribution shows there are different distribution forms between the data errors and estimated parameters in non - linearity inversion . the precision of estimated bottom sound speed is well than the estimated bottom density . although there is a same data errors distribution in perturbative inversion , the distribution of each inverted eof coefficient is different
统计误差分布的讨论结果显示:在非线性反演方法中,数据空间误差分布与参数空间误差分布不相同,这种匹配方法估计的海底声速的准确性好于对密度估计的准确性;在扰动反演算法中,相同的数据误差分布条件下,反演的eof各项系数误差分布不同。 - The characters between scan map digitization and manual digitization are compared . the error sources of cadastral map digitization are analyzed . the error analysis and error distribution tests shows that the error in scan map digitization is almost the same as that in manual digitization
2 、对扫描数字化与手扶跟踪数字化的作业特点作了比较,分析了地籍图数字化的误差来源,扫描数字化的误差分析试验表明,对1 : 500的地籍图,扫描数字化的误差与手扶跟踪数字化的误差基本一致。 - The main contents are as follows : ( 1 ) the measurement data processing theory and the design scheme of gps tunnel control network are introduced ; a wavelet analysis technique that can efficiently reduces the multi - path effects caused by tall buildings is presented ; finally , the factor sources of transfixions errors of underground tunnel and limit error distribution method which depends on unequal influence principle are proposed
具体研究内容如下: ( 1 )研究了遂洞gps测控网的布设、数据处理理论;探讨和研究了构筑物反射等产生的多路径效应的影响及应用小波分析理论有效减弱gps接收信号的多路径噪声的方法;讨论了地下隧洞贯通的误差来源及贯通误差的优化配赋方法。 - Furthermore , according to the dynamic time - variant characteristics of manufacturing errors , a concept of dynamic manufacturing ability index is initiated for the first time . and on this basis , according to the principles of mathematical statistics and quality control , the relations between the dynamic - error distribution of some different manufacturing dimensions and corresponding manufacturing quality are individually analyzed , the relevant mathematical model is set up , and a critical value criterion for waste appearance is advanced
另外,根据加工误差动态时变的特性,首次提出了动态加工能力指数的概念,在此基础上,依据数理统计和质量控制的原理,分别研究了几种加工尺寸动态误差分布与制造质量的关系,建立了相应的数学模型,提出了废品开始出现的临界值判据。 - In this study , two geometric correction methods are introduced . based on the characteristics of modis data , geo - location of the experimental area , and the error distribution patterns of different projections , we conclude that the albers conical equal area projection is feasible for the geometric correction
并对制作我国modis遥感影像图时的投影方式选取问题进行了讨论,通过分析modis数据的特点和用途、根据应用区域的地理位置以及各种投影方式的误差分布模式,确定在几何校正的过程中使用亚尔勃斯( albers )等积圆锥投影。