誤差面積 的英文怎麼說
中文拼音 [wùchāmiànjī]
誤差面積
英文
error area- 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...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 誤差 : error
- 面積 : [數學] area
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The terminal states of the vehicle at the taem ( terminal area energy management ) interface box were predicted through the integration of the equation of motion, and to correct the state errors which the angle of attack and the bank angle were corrected in real time
通過對運動方程積分預測飛行器在能量管理段界面處的終端狀態,實時調整迎角和傾側角方案,以使終端狀態誤差滿足要求。Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently
本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。Lifting and lowering of the pringting arm of this machine is vertical, therefore, in case of half - tone printing, presence of screen wire and consistency of aberration are improved ; in case of spot printing, stability and uniformity of inking are enhanced ; fine adjustment and lock of the worktable is independent of each other, so positioning error caused by lock of the worktable can be controlled ; height and pressure of the printing blade and ink - returning blade can be stepless - regulated separately, which improver printing quality and service life of half - tone ; printing travel and half - tone fixing mechanism can be fast adjusted, which is suitable for printing area with different size
本機印刷大臂升降為垂直升隆式,網線版印刷時網線表現率為色差一致性得到提高,實地版印刷的施墨穩定性及均勻性得以加強;工作臺微調與鎖緊獨立,因工作臺鎖緊而帶來的定位誤差得以控制;印刷刀、回墨刀高度及壓力均可單獨無級調節,提高了印刷質量和網版的使用壽命,印刷行程和網版固定機構大小可快速調節,方便不同規格的印刷面積。It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence
為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起誤差積累和正交性誤差,導致每次跟蹤開始階段跟蹤速度變慢。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。Measuring cylinder is used on test bench of fuel injection pump all over the world, so manufacture error, sight error etc make the accuracy degree low. the thesis analyses the problem of fuel measurement system of the test bench of fuel injection pump, and the experiments and designs are done according to the problem, and the type and situation of the test bench of fuel injection pump all over the world is refered to
目前國內外噴油泵試驗臺量油系統普遍採用量筒式計量法,該方法存在量筒的製造誤差、沉積誤差、液面讀數誤差、氣泡誤差、揮發誤差以及測量人員的視覺誤差等,使得測量精度較低、耗時長,已不能滿足對汽車發動機的環保技術要求和節能要求。Compared with the traditional algorithm ( computation error is more than 10 percents ), the computation precision of the proposed algorithm was greatly increased
利用本演算法,圖像面積和周長的計算誤差最大不超過2 。In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research
因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty
本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開,對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析,採用線性回歸,灰預測,神經網路bp演算法,基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度,經多種方法的比較得出,基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered
建立了考慮濕積累過程的瞬態熱濕耦合模型,在方程中引入了濕積累項;發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測;首次提出了一種基於有效有限差分法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法,求解過程中考慮了瞬態邊界條件,從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差,對于多層結構每一層物性參數的非連續性,則採用了有效的有限差分逼近處理。In practice, it ’ s very hard to find any ideal scatter points to track, so this thesis focuses on the motion compensation algorithm base on motion parameters estimation, which is used in r - d fft imaging algorithm and verified by simulation. work of this thesis contains : first analyze the signal - processing model of isar system in detail, and establish a 3 - dimensional mathematical scattering model of moving target. then some improvements are made on existing compensation algorithm, to get a higher image quality and reduce compute burden
本論文有以下幾點創新: 1 .在距離向的補償(包絡對齊)方面,採用基準相關法代替相鄰相關法或積累相關法,一定程度上解決了可能出現的包絡漂移和包絡突跳現象;根據目標運動軌跡特點,採用二次曲線擬合的方法,將包絡對齊時的局部誤差轉化為全局的誤差,以便實現較優的整體對齊效果。This paper first analyzes performance criteria of a control system, and proposes a controller design method that incorporates disturbance attenuation and robust performance. the robust pid controller design amounts to an optimization problem with a non - convex constraint. genetic algorithm is used to solve the problem due to its global search ability, simulation examples show that the method is effective and have general sense
本文從分析控制系統的性能指標入手,從抗干擾性能和魯棒性能兩方面綜合考慮控制器的設計,得到一種魯棒pid控制器的設計思路,把pid控制器的設計問題轉化為求解一個帶魯棒性能約束的絕對誤差積分指標( iae )優化問題。Panoramic mosaics method based on 8 - paramter planar homography usually has to overcome the accumulated errors, when a sequence images loops back on itself
基於8參數平面單應矩陣的全景拼圖方法,當圖象序列形成迴路的時候,必須要克服累積誤差,以保證全景圖首尾相接。The thesis aims at a muliti layer residence project of in jinan baihua small region. according to the heating system of the separating doors in this building controlled by heat meter measurement, it studies the feasibility of the various abstracted cosfficient of the communal heating load calculation. also it studies the difference from the practice. according it, we can draw conculution that the communal heating load calculation are abstracted and allocated averagely according area and added to the variable heating load calculation, taking for the charging heating load calculation
本文將濟南市百花小區的一棟多層住宅為研究對象,根據該住宅室內分戶控制按熱表計量的供暖系統,研究其耗熱量中公共耗熱量各項提取系數的可行性及其與實際測量的誤差,得出將公共耗熱量提取出來,然後按面積分攤到各住戶的可變耗熱量中,作為計費耗熱量的合理性結論。The integral operator is introduced such that the control system achieves a zero steady state error
滑模面中積分運算元的引入確保了閉環系統零穩態誤差的性能要求。It is found that the effects of the latent heat are not negligible in the laser cladding process and their errors depend on the temperature range during phase transformations and the size of melted material region
計算結果表明,在激光塗敷過程的溫度場分析中,潛熱的影響不是總可以忽略的,其誤差取決于材料在物相轉變時交界面溫差的?圍及材料熔解體積的大小。In this thesis, the calibration, laying and measuring error of the concentric capacitance fuel sensor are researched. and the major work is following : 1. taking the fuel entity of fully - filled airplane oil tank as studying object, the outhor calculates the central points of the section contours and the volume of the remnant fuel under the section height by means of numerical calculation
本文研究了同心電容式油量傳感器的標定、敷設和誤差分析的方法,主要工作如下: ( 1 )以飛機油箱滿載狀態下的油液實體為研究對象,用數值方法計算出實體模型各剖面的面積中心點和各剖面高度下的油液體積值。( 2 ) after discussing all kinds of the existing algorithms, this paper presents a new kind of adaptive slicing algorithm by comprehensively considering the surface normal and the cross - section area
( 2 )提出一種綜合考慮法線與面積的自適應分層演算法,並針對同一模型對自適應分層和等厚分層的誤差分佈作了比較。On the aspect of errors analysis of hrg, a brief introduction of the close - loop detection theory of hrg is present first. later the expressions of close - loop detection errors are deduced in theory. the impact of stimulating signals, turning speed, outside appended oscillation, the location & area of electrodes, and the current loss in capacitor is considered, and the primary analysis of error compensation is given
在半球諧振陀螺誤差分析方面,本文從半球諧振陀螺的閉環檢測原理出發,對半球諧振陀螺閉環檢測誤差進行了分析和推導,考慮了激勵信號、轉動速率、外界附加振蕩、電極位置及極板面積和電容傳感器等因素造成的陀螺誤差並對誤差補償進行初步分析。The results show that the relief would lead to an average - area error calculated by the real and the assumed of the numerical model
實測地形資料計算結果表明,地形的起伏使得山區的實際有效面積和網格區水平假設面積相對誤差可達10以上。分享友人