distribution n. 1.分配,分發(fā),配給;分配裝置[系統(tǒng)];配給品;配給量;【經(jīng)濟(jì)學(xué)】配給方法,配給過程;分紅;【法律】(無遺囑死亡者的)財產(chǎn)分配。 2.分布,配置,分布狀態(tài);【生物學(xué)】(生物的)分布范圍;【無線電】頻率分布。 3.分類,整理,區(qū)分。 4.【電學(xué)】配電;【機(jī)械工程】配汽;【印刷】拆版;【邏輯學(xué)】周延(性)。 5.銷售。 the distribution of wealth 財富的分配。 the accurate distribution of zoological specimens 動物品種的精確分類。 live on charitable distributions alone 完全依靠配給救濟(jì)品生活。 the distribution of coniferous forests 針葉林的分布范圍。 the distribution of troops 部隊配置。 The distribution of our school paper is now 3000. 我們??陌l(fā)行量現(xiàn)在是3000份。 We have a good harvest but our distribution is bad. 我們豐收了,但是產(chǎn)品賣不出去。
error n. 1.錯誤;失錯。 2.謬見,誤想;誤信;誤解。 3.罪過。 4.【數(shù)學(xué)】誤差;【法律】誤審,違法;(棒球中的)錯打。 commit [make] an error 犯[出]錯。 correct errors 改正錯誤。 a clerk's [clerical] error 筆誤。 mean errors 標(biāo)準(zhǔn)誤差。 a writ of error 【法律】(推翻錯誤原判的)再審命令。 nature's error 天生畸形。 in error 弄錯了的;錯誤地。 errors of commission [omission] 違犯[疏忽]罪。 fall into error 誤入歧途。 nature's error 天生畸形。 adj. -less 無錯誤的,正確的。
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(dǎo)設(shè)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(dá)定位原理,提出了基于波達(dá)時間( tol )的目標(biāo)定位算法和誤差分布計算方法。
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(chǔ)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(fēng)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(jī)構(gòu)在現(xiàn)代機(jī)床上的應(yīng)用作了論述,建立了虛擬軸機(jī)床并聯(lián)機(jī)構(gòu)的一種誤差分析方法,應(yīng)用坐標(biāo)變換原理導(dǎo)出了雙三角并聯(lián)機(jī)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(jìn)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(yīng)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(dá)10微米以內(nèi),外長的測量精度可達(dá)100微米以內(nèi),能有效地指導(dǎo)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(quán)峰值信噪比等前人提出的感知性能評價準(zhǔn)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(zhǔn)確性好于對密度估計的準(zhǔn)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。