正態離差 的英文怎麼說
中文拼音 [zhēngtàilíchā]
正態離差
英文
normal deviate- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
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An isolated point " s statistic excluding method is proposed in this paper to eliminate crassitude error in clouding data, which include plenty of oddity data. the method based on the distance between two neighbour points can eliminate the data beyond normal distribution. a error limitation of angle and chordal highness method is used to filtrate clouding point
針對大量含奇異點的數據點雲,本文提出了剔除粗大誤差的孤立點統計排異法,該方法根據對相鄰點距離的統計,剔除在正態分佈以外的點;對大量數據的精減,利用角度和弦高的最大允許偏差法進行點雲精減。Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean
標準偏差:統計中,一種衡量數據組分佈的分散或變化情況的數據,是偏離正態分佈中間位置數據大小的平均值。According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results
本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。As to the work about experiment study, at first, the paper makes certain the prominent affecting factors to the automating and humidifying property of this kind of nozzle by orthogonal experiment. by jicha analysis method and fangcha analysis method, the paper got that the nozzle aperture, the initial water temperature and the spraying pressure have prominent effect to the humidifying property while the effect of the original air state is small
試驗工作方面,首先通過正交試驗確定對撞針型高壓小孔徑離心式噴嘴霧化加濕性能影響顯著的因素,運用極差分析法和方差分析法,得到噴嘴孔徑、噴水初溫和噴水壓力對噴嘴的加濕性能影響顯著,而待加濕空氣初狀態的影響相對較小。This gives a value, which is the point of maximum slope either side of the center of the curve
等於與該分佈的算術中平均數之間離差其平方的算術平均數的平方根? ?值,即正態分佈曲線任一側的斜率的最大值。The vary of the parameter of the steam ). the software provide function of " alert " if some parameters exceed the range of permission, and this may urge the operator to adjust operation condition and put right. meanwhile, this may promise the units under the conditions of optimization, and achieve lower net coal consumption rate of thermal power plant and higher generation efficiency
同時,這套系統可以在線分析熱力系統的各小指標如主蒸汽參數、抽汽參數和排汽參數在偏離目標值時所引起的煤耗額外增加值,對于偏離目標值超過允許范圍時的參數提出報警,以提醒運行人員調整運行,糾正偏差,使各參數都運行在最佳狀態,從而降低煤耗,提高機組的運行效率。The error accumulation caused by the errors of modal vectors is banished and an emendation to the classical modal model is conducted, due to the extraction of the independent contribution of each mode by means of the orthogonality of the modal filter
通過對離散模態濾波器的改進,避免了載荷重構階段模態向量誤差引起的載荷識別誤差積累,從而實現了對經典載荷識別模態模型的校正。At the case of cam - follower system at high speed, the inertia of kinetic components is bound to increase to a leap compared with the system at low speed, the elastic deformation of these components will affect the precision of the driven parts at special position, so the dynamic departure is inevitable
當凸輪機構的運轉速度較高時,系統中運動構件的慣性力劇增,所產生的構件彈性變形的影響將導致工作端運動規律偏離預定的要求,產生不容忽視的動態運動偏差。因此,高速凸輪機構的研究正日益受到廣泛關注。At the same time, several practical algorithms, included nipals and simpls, were proposed and their main s as codes were given in appendices. through comparing four techniques of outlier test with each other, we summarized their respective advantages and disadvantages of each techniques and clarify the their distinct usages
同時,也簡要介紹了偏最小二乘回歸的四種離群點檢測方法,即偏f檢驗、殘差圖與正態分位數圖、主成份圖( t t圖) 、樣本點貢獻圖。First, the error transfer characteristic among subsystems at different space locations is analyzed, and the direct transfer characteristic from discrete standard measure space to the workpiece measure space under measured in measure system is proven. second, the error reconstruction condition and method of mapping from discrete standard measurement system to continuous standard measure space are analyzed. based on the measurement sample stationarity in limited distance, the prediction model ' s limited astringency and mensurability to the dynamic measuring error and the prediction error respectively are proven
分析了不同空間位置子系統間的誤差傳遞特性,證明了在測量系統中離散標準量值空間向被測量工件量值空間的直接傳遞性;分析了離散標準量系統向連續量值空間映射的誤差重構條件和方法;基於測量樣本的有限距離的平穩性,證明了預報模型對動態測量誤差的有限收斂性和預報誤差的可測度性,進而證明了以離散標準量值系統對被測工件預報修正的可行性和合理性。Because die common fault detection method for sensors, residual x2 test, is insensitive to gradual - change - fault detection, a kind of residual x 2 test based on moving subnormal state is presented, and its validity is testified by mathematical simulation results, as shown in figures 5. 2 through 5. 5. with regard to the lag of soft fault detection, a kind of system reconstruction tactic based on hierarchic alliance structure of federal filters is proposed. mathematical simulation results, as shown in figure 6. 10, show the validity of isolating fault by using the tactic
西北工業大學沁士學位論文們要一個研究指出常用的傳感器故障檢測方法?一殘差x 『檢驗法對漸變性故障檢測的不敏感性,提出一種基於移動偽正常狀態的殘差檢驗法,並通過數學模擬驗證該方法對漸變性故障檢測的有效性;提出一種基於遞階聯合濾波器結構的系統重構策略,並通過數學模擬驗證該策略對故障隔離的有效性。The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed
設計了雙標準量值(工件和離散標準量)互比測量的模型驗證方法,完善了從數據測量、誤差分離、模型建立到實際修正的整個修正過程;研究了離散標準量系統動態誤差分離技術,建立了基於遺傳進化演算法與神經網路混合建模技術的兩種誤差修正方法? ?離散標準量動態誤差直接(同步)修正方法和預報模型修正方法,並確定了模型結構參數和模型訓練方法;分析了預報模型的多次預報性質,並得出了多次預報與多步預報的等效關系,確定了測量系統的有效預報范圍以及模型參數對泛化誤差的影響;進行了模型的對比實驗驗證和被測工件動態誤差修正試驗,成功地實現了任意二面角和圓分度的實時誤差修正。It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan
首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。Therefore, under open economy, study to the effects of balance of payments, an economic parameter representing trade changes between domestic and foreign countries, on domestic macroeconomic process has theoretical and practical significance for china that joins international economy. although balance of payments problems are almost included in international economics, this thesis mostly pays attention to open economics problems based on the monetary approach
在上述分析的基礎上,利用granger影響關系檢驗、協整檢驗和arma模型、誤差修正模型、向量自回歸模型、離散選擇模型等經濟計量方法,在開放經濟條件下對中國國際收支項目與國內宏觀經濟變量之間的長期動態影響關系和傳導機制進行了實證研究。In view of this problem of kinematic positioning, this thesis discusses kalman filtering when model biases exist in practical applications, studies model bias detecting and correcting of kalman filtering with kinematic positioning, and provides a departing estimation algorithm of model biases
探討在實際應用中存在模型誤差時的卡爾曼濾波,研究動態定位時卡爾曼濾波的模型檢測與校正,給出一種偏差分離估計方法。This method is based on the bent ionosphere model and the coefficient of dynamic correction is introduced into traditional cosine correction model to achieve dynamic correction of ionosphere delay. so the position error of over correction can be overcomed
該方法以bent電離層模型為基礎,在餘弦電離層修正模型的基礎上,引入動態修正系數,從而克服了採用通常修正方法帶來的過修正誤差。分享友人