率的標準誤 的英文怎麼說
中文拼音 [lǜdebiāozhǔnwù]
率的標準誤
英文
standard error of rate- 率 : 率名詞(比值) rate; ratio; proportion
- 的 : 4次方是 The fourth power of 2 is direction
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 準 : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 標準 : (衡量事物的準則; 榜樣; 規范) standard; criterion; benchmark; pip; rule; ètalon (衡器); merits
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According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced
深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl
本文以平均運行長度( apl )為衡量控制圖有效性的標準,以抽樣比例和最大可接受錯誤報警率為輸入,通過建立模型的方法,確定最佳的樣本容量和控制線參數。The detection of interest points is the basis of kinds of computer vision applications, such as : camera calibration, 3d reconstruction, image matching, video retrieval, motion estimation, etc. in this paper, three impersonal criteria : delocalization, false - detection rate, and repeatability are presented to evaluate the performance of an interest points detection algorithm
興趣點檢測是許多計算機視覺應用的基礎,如:攝像機定標、三維重建、圖像匹配、視頻檢索、運動估計等。本文首先給出了一個評價興趣點檢測演算法性能的客觀標準,這個標準包括以下三個準則:點位置偏差、誤檢率及重復度。In the chapter 4, it primarily stats large numbers of original data and obtains the probability distributing functions of each assessment factor by means of pearson x2 goodness of fit test. and then it establishes the distributing sections of the error of each assessment factor. meanwhile it expatiates the criteria of simulator coach ' s subjective judgments
第四章主要對大量的原始數據進行統計分析,採用peanonx 『擬合檢驗方法,獲得了各評估要素的概率分佈函數,繼而分別確定了各評估要素的誤差分佈區間,同時也對教練員的主觀判斷標準進行了闡述。This thesis present the systematic studies on firing accuracy and firing accuracy tactical & technical requirement reasoning for gunnery system. the main contents of the paper are as follows. ( 1 ) definitions and probability distribution expressions for error of fire, error of firing data and error of dispersion are given summarily. methods to compose error of initial firing data and error of dispersion are discussed
本文對遠程炮武器系統射擊精度及射擊精度戰術技術指標論證等方面問題進行了深入、系統的分析研究,本文研究工作的主要內容有: ( 1 )概要地討論了射擊誤差、諸元誤差、散布誤差的定義及其概率分佈,諸元誤差、散布誤差及射擊誤差的合成,分析了射擊精度的各種表示法,闡述了火炮武器系統準確度、密集度和首發命中概率的估算方法。The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy
研究分析結果表明:感應式電能表的誤差頻率特性曲線呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量標準還是以基波能量為計量標準,當諧波含量較大時對感應式電能表的電能計量將會產生較大的影響。Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard
和感應式電能表相比,電子式電能表的計量誤差受頻率變化影響較小,具有較寬的頻率響應,誤差頻率特性曲線較為平坦,因此,在諧波存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感應式電能表的電能計量誤差,而以基波能量為計量標準時,電子式電能表的計量誤差比感應式電能表的計量誤差大。In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism
在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。For missile, either strategical or tractical, the most important thing is to attack the target accurately. this depends upon the accurate location of the larget by the missile radar. for protecting radar antenna from external environment and for air - dynamical requirement, a radome is used to enclose the antenna. but the radome interferes in the orientation of the antenna, degradaties its perfor - mance, decreases the power reaching the target, and most importantly, it produces so called boresight error ( bse ) that is, makes the antenna shows a slightly different direction of the target from its true direction, the boresight error is define as the angle shifted, and the boresight error slope ( bses ) is defined as the ratio of angle shift to the tracing angle of the radar antenna. to predict the boresight error and boresight error slope is an unavoiding chief task in designing radome and in its operation
在戰略和戰術雷達制導導彈中,一項重要的工作就是對目標的準確跟蹤,這取決于導彈雷達對目標的準確定位。為了保護雷達天線不受外界環境的影響,天線罩被應用進來,但天線罩在保護天線不受外界惡劣環境影響的同時對天線電磁輻射產生某些干擾,使天線的電氣性能降低,影響天線的功率傳輸,更重要的是產生瞄準誤差。它使目標的視在位置與真實位置有一個角度差,這個角度差就是天線罩的瞄準誤差。This master ’ s degree thesis firstly introduces and discusses the principle of ofdm and the merged blue print for digital terrestrial television broadcasting in china, then proposes a scheme for the test platform of narrowband ldpc decoding efficiency based on fpga. this scheme includes techniques such as time - domain synchronization using pn and power estimation using pilots
本論文首先介紹並討論了數字電視傳輸標準tds - ofdm的實現原理,對其中的一些關鍵問題做了詳細的分析,在此基礎上提出了一種基於fpga的窄帶ldpc解碼-誤碼測試平臺設計方案,即利用時域pn頭同步及頻域導頻進行功率估計的fpga設計。This test platform is simplified ofdm digital television transmission system. the test platform provides a quick and efficient tool to testing the efficiency of ldpc coding for the setting up of dtv standard, without the need of the completing whold dtv system, saving time, improving work efficiency. even this platform is simplified version, but it still has all the key technique of dtv transmission system, accumulating experiences for the design of dtv transmission system, and it can easily expands
由於數字電視傳輸系統是一個復雜龐大的工程,為了驗證數字電視傳輸系統中ldpc編碼的效率,以便於標準的確立,窄帶ldpc解碼-誤碼測試平臺就提供了一個快速,有效的編碼測試工具,而不用等整個系統完整的收發端設計完成之後才進行測試,大大的節省了時間,提高了工作的效率,有利於數字電視傳輸標準的盡快確定。1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable
通過對通信系統工作波長選擇、光學天線選擇等闡述,選擇了1550nm作為系統工作波長、卡塞格倫( cassegrain )收發合一天線作為系統光學天線;通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論,給出了apt子系統結構和理論設計指標,並將其與現有的光無線通信系統進行比較,說明該設計方案是可行的。In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods
本文在調查和分析國內外局用交換機計費系統工作原理、檢測方法和相關標準的基礎上,對計費系統的工作原理和產生計費錯誤的原因進行了詳細的分析,提出了適合國情的能夠客觀評價計費系統計量性能的技術指標和檢測方法,有些指標和檢測方法在國內相關資料中屬首次提出,如通話計時誤差和時刻誤差和對移動交換機計費系統的一些檢測方法;本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方法的分析,利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計方法,提出了較科學、有效和利於實施的檢測方法,並對檢測結果的測量不確定度進行了分析。With process data of blast furnace no. 1 in tianjin iron plant, the parameters, ru and sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively
以可預測率、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準,確定了各影響因素的警戒參數ru和濾波參數sita的優化值范圍。Standard error of rate
率的標準誤As part of the initiative to further optimise airspace utilisation by reducing the vertical separation standard between suitably equipped aircraft flying at altitudes above 29, 000 feet, hong kong will implement reduced vertical separation minima ( rvsm ) in october 2002. the new standard will enable more efficient aircraft operations, achieve better fuel economy and help to minimise ground delay. sufficient training on the new procedures will be provided to air traffic controllers before the implementation of rvsm
為了充分利用飛行空域,香港將於二零零二年十月實施降低垂直間距的規定,把配備適當儀器和在29000尺以上高度飛行的飛機之間的垂直間距降低。新的標準會使飛機運作更有效率,既可節省燃料,亦有助減少延誤。在實施有關降低垂直間距的規定前,航空交通管制員都會接受有關新程序的訓練,充分作好準備。Accuracy of the measurement system is verified by standard signal sources. frequency tracking error does not reach 50hz. the measurement system has merits of visual display and high accuracy, which is an ideal measurement system for dual - path saw mass sensor
應用標準信號源驗證了測量系統的精確性,頻率跟蹤特性誤差在50hz以內。該測量系統顯示直觀,精度高,是雙聲路聲表面波質量傳感器理想的測量系統。Taking frame error rate as an evaluation standard of communication performance, the dynamic coding protocol was designed which assures the reliability of communication
把誤幀率作為通信性能的評價標準,設計了動態編碼協議,保證了系統通信的可靠性。The experiment results show that : the frequency stabilization of the optimized doppler modulator has already reached rms error about 1 %, which could meet the need of reference signal of the lock - in amplifier
實驗結果表明,經過優化后的多普勒調制器的輸出調制信號頻率的相對標準誤差達到了1 %左右,能夠滿足鎖相放大器對輸入參考信號頻率穩定度的要求。It is also applied to determine hepatitis b surface antigen using the sensor chip inunobilized with anti - hbsag monoclonal anibody. to compare with spr method, the same hbsag solotions are determined using the method of enzyme - linked immuosorbent assay ( ellsa ). the kinatics of inununo - reaction is studied using the spr sensol in the second task, the theory of the sensing technology is investigated
實驗結果表明: spr傳感器具有良燈的重現性,其靈敏度為1844iun riu ,對折射率的分辨能力為5xio 」 aiu ; x利用該spr傳感器測定了兩種葡萄糖注射液,將檢測結果與藥典法中所採用的標準方法進行了對比,實驗結果表明了兩種方法的相對誤差分別為1刀5和1分享友人