誤差因子 的英文怎麼說

中文拼音 [wùchāyīnzi]
誤差因子 英文
error factor
  • 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...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 誤差 : error
  1. Its biquadratic finite element approximation is considered and under the appropriately graded meshes, quasi - optimal order error estimates in the - weighted h ^ 1 - norm, up to a logarithmic factor in the singular perturbation parameter, are proved

    然後，考慮此方程在分層網格剖分上的雙二次有限元逼近，在-加權h ^ 1 -模意義下得到了至多相差一個關于攝動參數對數因子的擬最優階收斂的誤差估計。
  2. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe （ cyclicfrequencyerror ）很敏感而導致演算法性能下降的情況，參照文獻[ 6 ]提出的遺忘因子cab演算法，提出了c - cab演算法以及基於特徵空間的盲波束形成演算法（ ecab ）的改進演算法。
  3. With the coequal critical error, we could decrease cracks almost without increasing rendering cost by using surface rectification gene to improve substituted surface ' s locality

    我們通過平面矯正因子改善替代平面的位置，在同等臨界誤差下，幾乎不增加繪制代價，縫隙明顯地縮小。
  4. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  5. 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。
  6. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  7. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  8. A chirp scaling algorithm for airborne bistatic sar is proposed, which is suitable for the flight configuration that transmitter and receiver follow parallel path with equal velocity in broadside looking mode. airborne bistatic sar echoed signal model of this particular flightpaths is derived. the model is converted into the range doppler space and is mapped from double range variables to single range variable domain

    本文建立了這種特殊飛行模式下雙基地sar的回波信號模型，推導了它在距離多普勒域的表達式，解決了信號模型從雙距離變量域向單距離變量域轉化的問題，並推導了cs因子的線性近似表達式，分析了演算法中各種近似造成的誤差。
  9. 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。
  10. In the second part, we adopt a few typical error analysis methods, primarily including the relativity analysis and the regression analysis, to analyses the relative error and absolute error of the time error, spatial data error and statistic data error of the raw input data in the model. then, we take each influence factors in the model into the relativity analysis and the regression analysis. finally, we synthesize the results of the above error analysis to figure out the theoretic accuracy of that model as 87 %

    第二部分主要是採用幾種典型的誤差分析方法，主要包括相關性分析和回歸分析，對模型的原始輸入數據的時間誤差、空間誤差和統計數據誤差進行了相對誤差和絕對誤差的分析，然後又對模型中各影響因子進行了相關分析和回歸分析，最後綜合以上誤差分析的結果得出該模型的理論精度為87 。
  11. This paper discussed effects of ship swaying motion in waves on ship - based cannon firing in terms of ship motion equation and theory of artillery shoot, including influence on shoot distance and direction

    摘要從船舶在海浪中運動模型出發，結合炮兵射擊學原理，研究船舶搖擺導致火炮基座運動以及桿臂效應導致子慣導初始對準誤差等因素對火炮射擊的影響，主要針對船載炮射擊在距離與方向的影響進行分析。
  12. This method includes two kinds of observation data for the correlation rule, hence resulting in enhanced spatial resolving capability. weighted track fusion with cep as weight is proposed. this method has less calculation and notable result

    同時根據無源定位系統觀測誤差的分佈特性，提出了以為權因子的加權航跡融合演算法，該融合演算法計算量小，效果顯著。
  13. Shallow analyse the generating reason and the handling method of the repeatability error about electronic truck scale

    淺析電子汽車衡重復性誤差產生原因及應對方法
  14. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此，輸入電壓的準確計算、直流漂移量的補償以及定子電阻變化的補償都是影響積分計算準確性的重要因素，這些誤差會導致定子磁鏈軌跡的偏移，進而降低系統轉矩控制的性能。
  15. A detailed geometric analysis of obstacle detection system for alv was presented by considering the safety requirements of alv. the ranging error caused by various environmental factors and inevitable vibration of alv was discussed as well

    然後將障礙檢測子系統和alv整體結合在一起，從系統的角度對障礙檢測的要求進行了分析，並討論了各種環境因素和alv車體運動對lms激光測距雷達測距造成的誤差影響。
  16. Experiment results show that the diffusion equation can be used to describe the transportation process of near infrared photons accurately in scattering media. however, a relatively large error exists for the case of low scattering tissue, and as a result, this model can not be employed for the ot reconstruction in this case

    實驗結果表明，擴散方程可以較為準確地描述光子在強散射介質中的輸運過程;但對弱散射介質擴散方程模型卻存在較大的誤差，因而不適用於該種情況下的圖像重建。
  17. Among the adaptive beam - forming algorithms, the least mean square algorithm is widely used because it has a simple configuration and it is apt to come true and have nice convergence. on the other hand, it has a disadvantage that it converges slowly and there is a conflict between the fixed step and the convergence pace or the error in stabilization. so people have developed many improved least mean square algorithms which generally start from convergence, stabilization, misadjustment, and robustness and come to a formula about variational step in the end

    在自適應波束形成演算法中，最小均方（ lms ）演算法因結構簡單，易於實現，能穩定收斂而得到廣泛應用，但它也存在收斂速度受限的缺點：固定步長因子無法解決收斂速度和穩態誤差之間的矛盾。因此，人們提出了各種改進的最小均法演算法來解決這一問題。改進的最小均方演算法通常從如何改進收斂速度、穩態誤差、失調量和魯棒性等指標上出發，最後在新演算法最終表達式中的步長公式上變化。
  18. 4. suboptimal fading ddf ( sfddf ) and suboptimal fading ukf ( sfukf ) algorithm can be obtained with the application of suboptimal fading ekf. suboptimal fading algorithm is an error compensative technology basing on the kalman filter orthogonality principle, which can greatly improve filtering precision and stability

    4 、把一種帶次優漸消因子的ekf演算法推廣到ddf和ukf演算法中，得到sfddf和sfukf演算法，次優漸消因子是一種基於kalman濾波正交原理誤差補償技術，它的引入較大的改善了濾波精度和演算法穩定性。
  19. The error transfer law is researched from operation data calculation and mathematic theory to find out how the measur ement error of main monitored parameters influences the clean factor

    用數學微分方法理論研究清潔因子灰污監測模型中的誤差傳遞規律，探索主要監測參數誤差對清潔因子的影響規律，並加以驗證。
  20. The impact of the effective resist diffusion length to the exposure latitude and mef ( mask error factor ) for the 0. 13 m photolithography and beyond is presented

    展示了在0 . 13 m及以下工藝中等效擴散對能量裕度和掩模版誤差因子的影響的研究結果。
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