error distribution造句
例句與造句
- Consistent kernal estimate of error distribution in linear model under dependent samples
相依樣本下線性模型誤差分布的相合估計 - In this research , error distribution and size is being used to design this measure instrument
研究中對測量儀采用誤差分布與大小去指導設計的方法。 - The error distribution in scan digitization may not obey the normal distribution , and is greatly affected by the systematic error
掃描數(shù)字化誤差分布檢驗表明掃描數(shù)字化誤差不一定服從正態(tài)分布,掃描數(shù)字化數(shù)據(jù)受系統(tǒng)誤差的影響較大。 - 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
其優(yōu)點是在不需要把問題線性化過程的同時,統(tǒng)一考慮了各層反射波走時的離散對整個地殼模型的影響,又可兼顧觀測數(shù)據(jù)的不同誤差分布。 - 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
同時根據(jù)系統(tǒng)特點,天線采用單發(fā)雙收方式,分析了穿墻探測雷達定位原理,提出了基于波達時間( tol )的目標定位算法和誤差分布計算方法。 - It's difficult to find error distribution in a sentence. 用error distribution造句挺難的
- 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
在此基礎上,研究了證券市場上時間序列收益率波動的條件異方差性,考慮中國證券市場的風險特征,將garch系列模型與var模型相結(jié)合,構(gòu)造了基于不同分布條件下的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
該文對并聯(lián)機構(gòu)在現(xiàn)代機床上的應用作了論述,建立了虛擬軸機床并聯(lián)機構(gòu)的一種誤差分析方法,應用坐標變換原理導出了雙三角并聯(lián)機構(gòu)水平姿態(tài)時的誤差方程組;分析了誤差方程組的線性和非奇異性,給出了水平姿態(tài)時的位姿誤差正解;對工作空間中心線的誤差分布規(guī)律進行了仿真,繪制了其誤差分布曲線。 - 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
實際應用表明該系統(tǒng)可以有效地提高彈體尺寸的測量精度并定量評價彈體的尺寸誤差,內(nèi)外徑和同軸度的測量精度可達10微米以內(nèi),外長的測量精度可達100微米以內(nèi),能有效地指導加工的工藝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
在信息隱藏的性能評價方面,研究了常用的峰值信噪比,加權峰值信噪比等前人提出的感知性能評價準則,指出針對信息隱藏的性能評價不能單純從視覺特性出發(fā),提出從信息隱藏的數(shù)據(jù)特性和感知特性出發(fā),結(jié)合局部特性來考察失真誤差的變化的思想,并據(jù)此提出基于局部區(qū)域誤差統(tǒng)計分布和視覺掩模方法評價信息隱藏性能的方法。 - 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
統(tǒng)計誤差分布的討論結(jié)果顯示:在非線性反演方法中,數(shù)據(jù)空間誤差分布與參數(shù)空間誤差分布不相同,這種匹配方法估計的海底聲速的準確性好于對密度估計的準確性;在擾動反演算法中,相同的數(shù)據(jù)誤差分布條件下,反演的eof各項系數(shù)誤差分布不同。 - 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 、對掃描數(shù)字化與手扶跟蹤數(shù)字化的作業(yè)特點作了比較,分析了地籍圖數(shù)字化的誤差來源,掃描數(shù)字化的誤差分析試驗表明,對1 : 500的地籍圖,掃描數(shù)字化的誤差與手扶跟蹤數(shù)字化的誤差基本一致。 - 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
具體研究內(nèi)容如下: ( 1 )研究了遂洞gps測控網(wǎng)的布設、數(shù)據(jù)處理理論;探討和研究了構(gòu)筑物反射等產(chǎn)生的多路徑效應的影響及應用小波分析理論有效減弱gps接收信號的多路徑噪聲的方法;討論了地下隧洞貫通的誤差來源及貫通誤差的優(yōu)化配賦方法。 - 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,根據(jù)加工誤差動態(tài)時變的特性,首次提出了動態(tài)加工能力指數(shù)的概念,在此基礎上,依據(jù)數(shù)理統(tǒng)計和質(zhì)量控制的原理,分別研究了幾種加工尺寸動態(tài)誤差分布與制造質(zhì)量的關系,建立了相應的數(shù)學模型,提出了廢品開始出現(xiàn)的臨界值判據(jù)。 - 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
并對制作我國modis遙感影像圖時的投影方式選取問題進行了討論,通過分析modis數(shù)據(jù)的特點和用途、根據(jù)應用區(qū)域的地理位置以及各種投影方式的誤差分布模式,確定在幾何校正的過程中使用亞爾勃斯( albers )等積圓錐投影。