試差計演算法 的英文怎麼說
中文拼音 [shìchājìyǎnsuànfǎ]
試差計演算法
英文
trail-and-error calulation- 試 : 名詞(古代占卜用的器具) astrolabe
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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However the analysis of both location and dispersion effects in unreplicated factorial experiments with censored data has not been studied widely. hamada and wu ( 1991 ) proposed a iterated method to estimate location effect under the condition of homogeneity of variances
Hamada和wu ( 1991 )給出了此條件下鑒別和估計位置效應的迭代演算法,但由於其模型假定各試驗點同方差,因此不能分析散度效應。Abstract : a new clock - driven eco placement algorithm is presented for standard - cell layout design based on the table - lookup delay model. it considers useful clock skew information in the placement stage. it also modifies the positions of cells locally to make better preparation for the clock routing. experimental results show that with little influence to other circuit performance, the algorithm can improve permissible skew range distribution evidently
文摘:提出了一種新的時鐘性能驅動的增量式布局演算法,它針對目前工業界較為流行的標準單元布局,應用查找表模型來計算延遲.由於在布局階段較早地考慮到時鐘信息,可以通過調整單元位置,更有利於后續的有用偏差時鐘布線和偏差優化問題.來自於工業界的測試用例結果表明,該演算法可以有效地改善合理偏差范圍的分佈,而對電路的其它性能影響很小Existing calculation methods for burning surface do n ' t well agree with the experimental data with complicated grain. in order to eliminate the error, tests data are used to correct the prefigurative result generally, and it is impossible to calculate burning surface of grain with crack. debond and wtith changing burning rate of propellant
目前現有的固體裝藥燃面演算法,在計算復雜裝藥燃面時仍有較大誤差,為消除這種誤差往往需要用試車結果給予修正;同時在計算含缺陷裝藥燃面和處理裝藥因批次燃速變化時的燃氣加質更是束手無策。Conventional power system stabilizer ( cpss ) has such shortcoming as complex design, fussy parameter testing, poor adaptability and so on. in this article formula fuzzy control algorithm is put into the design of pss. quantified factors and modifying factors, which have large effect on the performance of formula fpss, are optimized
本文針對傳統電力系統穩定器( cpss )設計復雜、參數調試繁瑣、適應性差等缺點,將一種公式型模糊控制演算法應用於pss設計,並對公式型模糊電力系統穩定器的性能影響較大的量化因子和修正因子進行優化,從而設計出一種自尋優模糊電力系統穩定器( sofpss ) 。An improved viterbi algorithm of dsp generat ion is brought up to, and a new coding gain testing system is designed. the system tests the coding gain of the error - control system, and the coding gain is 9. 4db which exceeds the proposed index. at last, some suggestions are presented for the work in the future
在對維特比譯碼演算法研究的基礎上,提出了維特比譯碼演算法基於dsp的改進方法,並且設計出一種新的編碼增益測試系統,對卷積編碼和維特比譯碼組成的差錯控制系統的編碼增益進行了測量,測試結果為9 . 4db ,優于設計指標,最後提出了一些對將來工作的建議。It ' s unable to estimate the dispersion effects. in this paper, we consider a model of heterscedasticity, and present a new algorithm on the basis of hamada and wu ( 1991 ) ' s iterated algorithm on estimation of location effects, combining brenneman and nair ( 2001 ) ' s mh method on estimation of dispersion effects. this algorithm of model selection and simutanious estimation of location and dispersion effects analyze unreplicated factorial experiments with censored data
本文考慮試驗點是異方差的模型,在hamada和wu ( 1991 )位置效應分析方法的基礎上,將brenneman和nair ( 2001 )散度效應分析的mh方法融入其中,對帶有截尾數據的無重復因子試驗給出了模型選擇以及同時估計位置效應和散度效應的迭代演算法,改進了hamada和wu的方法。Crack detection system of glass bottles is a subsystem of computer vision detection system on - line of glass products. the whole system was developed by the cooperation of the electronic technique research institute of guangxi normal university and guilin glass factory. in the course of test, the writer found that the subsystem possesses worse adaptability of adapting the change of the environment and worse tolerance to mistakes of the new information
「玻璃瓶口裂紋檢測系統」是廣西師范大學電子技術研究所與桂林市玻璃廠聯合開發的「玻璃製品的計算機視覺在線檢測系統」的一個子系統,筆者在調試過程中發現,該子系統對環境變化適應的靈活性和對新信息的容錯性較差,這主要是由於該子系統目前所採用的演算法不具備自學習、自適應的能力所造成的。In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode
第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特性和規律,提出基4蝶算的演算法具有最好的性價比,討論了順序、級聯、并行和陣列的處理結構,闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理器,分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平臺模式。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。Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process
通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應,首次提出了以空氣濕度( kg / kg )為驅動勢差的圍護結構表面吸放濕量計算公式,該公式較適用於工程計算,從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法;通過對國內外關于表面質交換系數確定方法的研究成果的分析,提出用lewis關系計算生土建築圍護結構表面質交換系數;在實驗室環境下,對生土建築圍護結構表面質交換系數進行了測試方法研究,測試結果和利用lewis關系得到的數值較接近。The history and present situation of electric measuring instrument and features of intelligent meters are introduced in this paper. a brand - new scheme of intelligent electric parameter meter is proposed by the author after combining the features of intelligent meters and practical demand for electric measuring in 300mw generator units. general design, realization of hardware circuit comparison and analysis of errors of different algorisms are discussed in detail
本論文介紹了電測儀表的發展歷史與現狀,以及新興智能儀表的特點;結合智能化儀表特點和300mw發電機組電參數測試的實際需要,首次提出了一種智能型發電機組電參數綜合測試儀的研究方案;詳細敘述了該智能型綜合測試儀的總體設計,硬體電路實現,各種演算法的比較的誤差分析;以及軟體框圖設計,針對影響測量精度的因素進行了分析,並制定了改進措施。The vibration problems in pumped storage hydroplant are outstanding, due to their high - velocity flow, high - speed units, etc. on the base of summarizing the development of inverse analysis methods, this paper proposed a dynamic inverse model for underground hydroplant was built, combining the modal analysis and inverse numerical computation
點,提出採用實驗模態分析與動力反演分析相結合,以試驗模態與計算模態某種偏差為目標函數,建立通用的結構最優化動力反分析模型。引入改進的遺傳演算法,實現了其與ansys軟體的介面。For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized
為了提高實時性,對交流采樣演算法進行了簡化,並提出了由於非同步順序采樣所造成的相位誤差的補償演算法;針對轉速、轉子位置角等脈沖寬度信號的測量,深入分析了測量原理,設計了基於isa總線的智能介面卡;編制和調試了基於c + +的全部測量控製程序;完成了整個系統的調試,並總結了調試方法。The whole article consists of 6 parts : 1. object of the project and the development background of the relative technique are introduced. 2. the theory of the micro inertial heave height measurement is depicted. 3. arithmetic model base on matlab / simulink for micro inertial heave height measurement is offered, including the result analysis for the simulation. 4. the whole hardware design base on aduc841 single chip of the mimu data collection system is depicted. 5. software design is introduced. 6. adjusting and error compensation model of the mems is depicted. at last, sum - up, view and enhancement of the system are given
本論文分成六個部分:第一部分介紹了課題研究的目的及相關技術的發展概況;第二部分主要論述微慣性測高的理論基礎;第三部分給出微慣性測高演算法的matlab模擬模型及模擬結果分析;第四部分給出基於微慣性傳感器及aduc841單片機的微慣性數據採集系統的硬體設計及調試方案;第五部分為微慣性數據採集系統的軟體設計;第六部分介紹了微慣性傳感器的標定及誤差補償方法。Because of the different material property of the piles and soil, shear stress is produced on the contact surface between piles and soil, which may cause slide and crazing of the soil mass under workload. in order to reflect the mechanical character precisely on the contact surface, a new kind of element, plane - plane contact element is introduced. the principle of the process is presented in detail and the finite element model is established with the consideration of the soil ' s elastoplastic constitutive relation
由於樁體結構的材料性能與周圍土層性質相差較大,在荷載作用下有可能在其接觸面上產生較大的剪應力從而導致錯動或開裂,為了充分反映樁土接觸面上的受力及變形特徵,考慮樁土之間的共同作用,在樁土接觸面處設置面面接觸單元,將採用接觸單元和不採用接觸單元兩種演算法的計算結果與模型試驗結果進行比較,驗證了本文接觸界面處理的合理性。First, in chapter 2 block - based stereo video coding technologies are researched. based on the analyzing of the constraints of disparity distribution and corrections among disparity vectors as well as corrections between motion vectors and disparity vectors, fast algorithms for disparity estimation are proposed. experimental results show the proposed algorithms are efficient
首先在第二章研究了基於塊的立體視頻編碼技術,重點分析了立體視頻中視差的特點及其分佈特性,研究了視差矢量和運動矢量之間的相關性,在此基礎上給出了視差估計的快速演算法,進行了實驗測試,實驗結果顯示快速演算法有很強的實用性,這是本文的一個創新點。Feature extraction through 2 - order polynomial fit of the descending part of the response curve made possible a timesaving measurement process. the performances of two pattern recognition algorithms, namely principal component analysis ( pca ) and linear discriminant analysis ( lda ) in practical problems were discussed. artificial neural network ( ann ) was utilized with back - propagation algorithm ( bpa ), and the combination of pca / lda with ann improved the identification performance of the system
基於對模式識別系統的深入研究,提出了從響應階段數據提取特徵的方法,節省了測試所需時間;比較了主成分分析法( principalcomponentanalysis , pca )與線性判別式法( lineardiscriminantanalysis , lda )兩種模式識別方法在實際應用中的不同結果,分析了原因;設計了採用誤差反傳演算法back - propagationalgorithm , bpa )的前向人工神經網路( artificialneuralnetwork , ann ) ,並指出其應用中存在的問題,提出了改進建議;利用pca lda與ann相結合的方法改善了系統的識別性能。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。In this dissertation, we analyzed the reasons generating the channel mismatch errors, presented the algorithm measuring the three errors, which doesn ’ t need any testing signal, and correspond it. at last, we proved the availability of the algorithm by simulation
本文分析了通道失配誤差產生的原因,提出了不需要測試信號的失配誤差的統計測量演算法,並通過模擬驗證了演算法的有效性。Subjective testing indicates that the quality of cs - acelp is equivalent to that of the 32kbit / s adaptive differential pulse code modulation ( adpcm ) under error - free conditions and it outperforms g. 726 under error condition. in this paper, standard c is adopted in realization of the algorithm, presents program strategies and steps of algorithm of each module. the coder and decoder is tested by utterances with noise
用標準c語言模擬實現了該演算法,計算了mos分值,女聲: 4 . 180497 ,男聲: 4 . 199782 ,並在相同的測試語句中加入噪聲進行測試,含噪語句通過該編解碼器,輸出的合成語音用主、客觀評價標準評價,與原始不含噪語音效果差別不大,平均mos分值為:女聲4 . 1375 ,男聲4 . 1668 ,說明該演算法是優秀的編解碼演算法。分享友人