級數乘法 的英文怎麼說
中文拼音 [jíshǔchéngfǎ]
級數乘法
英文
multiplication of series- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 數 : 數副詞(屢次) frequently; repeatedly
- 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...
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。In chapter 5 we discuss the design of ieee754 standard fpu ( floating point unit ). processor and uart ( universal asynchronous receiver transmitter ), these cores are used in this dissertation, fpu is used for floating point complex fft processor, uart is used for fft processor " s peripheral and our test platform. in chapter 6 we discuss the design for testability, including atpg, bist and jtag method, discuss the different verification and simulation strategy in soc scale facing to different modules, build up the test platform which is used to test high performance application specified digital signal processing processor. in chapter 7 we summarize the research results and creative points, and point out the further work need to do in the future
第五章提出了基於ieee754浮點標準的浮點運算處理器的設計和異步串列通信核的設一浙江大學博士學位論文計,提出了適合硬體實現的浮點乘除法、加減運算的結構,浮點運算處理器主要用於高速fft浮點處理功能,異步串列通信核主要用於pft處理器ip核的外圍擴展模塊以及本文所做的驗證測試平臺中的數據介面部分第六章提出了面向系統級晶元的可測試性設計包括了基於掃描測試atpg 、內建自測試bist 、邊界掃描測試jtag設計,在討論可測試性設計策略選擇的問題上,提出了針對不同模塊進行的分別測試策略,提出了層次化jtag測試方法和掃描總線法,提出了基於fpgaAfter that, it gives the measures of designing dsp ' s assembler as a part of the dsp ' s software development environment together with the c - compiler. moreover, this paper explores the method of design the floating - point arithmetic unit. referring to the ieee754 - 1985 standard for binary floating - point arithmetic, the algorithm and the behavior description of floating - point adder and multiplier is given, and the simulation and verification is shown at the end of this paper
此外,本文還對處理器的浮點運算單元設計做了初步的研究,以ansi ieee - 754浮點數二進制標準為參考,借鑒了經典的定點加法器和乘法器的設計,嘗試性的給出了浮點加法單元和乘法單元的實現模型和行為級上的硬體描述,並對其進行模擬和驗證。It is designed for embedded applications with the following features : separate instruction and data caches ( harvard architecture ), 5 - stage pipeline, hardware multiplier and divider, interrupt controller, 16 - bit i / o port and a flexible memory controller. new modules can easily be added using the on - chip amba ahb / apb buses. it has flexible peripheral interfaces, so can be used as an independent processor in the board - level application or as a core in the asic design
它遵照ieee - 1745 ( sparcv8 )的結構,針對嵌入式應用具有以下特點:採用分離的指令和數據cache (哈佛結構) ,五級流水,硬體乘法器和除法器,中斷控制器, 16位的i / o埠和靈活的內存控制器,具有較強的異常處理功能,新模塊可以輕松的通過片上的ambaahb / apb總線添加。In the sense of mean squares, maximum likelihood estimator, best linear unbiased estimator, taest linear invariant estimator, and good linear estimator are contracted. fourth, proposed and researched the reliability analysis method under the zero - failure data and doof data. based on the part beta distribution as the prior distribution of failure probability p, = p ( t < r, }, hierarchical bayesian estimate method was discussed, obtain the reliability analysis method under the zero - failure data and the doof data
第四,提出並研究了無失效數據類型和doof數據類型下電連接器的可靠性分析方法,提出了以不完全beta分佈為一級先驗分佈,超參數為[ 0 , 1 ]上的均勻分佈作為失效概率先驗分佈的多層bayes方法,結合加權最小二乘法解決了產品在無失效數據和doof數據下的可靠性分析問題。And through leslie matrix analysis, we deduced, except of the subpopulation at altitude 490m, the subpopulations of lilium tsingtauense will not die out if not been disturbed badly. we estimated the growth ability and resistance ability of both metapopulation and local population by use the method of quamitative analysis for population structura1 dynamics. the growth ability order is population l > population 2 > population 3 > population 5 > population 6 > metapopulation > population 4
川叩iqu n了e )復合種群研究摘要從種群年齡結構的穩定、衰退、增長概念出發,以種群結構參數為依據,運用加權法與條件概率乘法法則,定量椎導出衡量種群年齡結構及群落結構的動態指數,該方法克服了過去在植物種群結構動態比較評價中粗放的等級歸類劃分的缺陷,並能解決結構動態定量比較評價問題,因而認為有普遍使用的價值。One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system
第一種情況的壓縮方法為:採用傳統的傅立葉變換把原始信號從時間域變換到頻率域,舍棄20次及其以上的高次諧波成分(保證了gb / t14953 ? 93d5 . 3要求) ,然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組,以字元形式保存,採用靜態huffman編碼對變換數據進行壓縮;採用離散小波變換把原始信號從時間域變換到頻率域,然後對分解得到的高頻系數進行閾值量化處理,對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組,以字元形式保存,採用動態huffman編碼對這個文件進行壓縮。The author mainly realized the method of generating the large random numbers and judging the prime number using lehmann means, then three pairs of secure key with different lengths ( 256 bits, 512 bits, 1024 bits ) was generated to meet the demand of different security grade. in encryption module, modular multiplication arithmetic of large number was realized adopting addition chaining. in decryption module, extended euclid was used to get inverse, and the chinese remainder theorem was used to realize decryption, which increased the speed of decryption greatly
作者主要實現了大隨機數的生成、採用整除小素數和勒曼測試法判定素數,可以生成三種不同長度的密鑰對( 256位、 512位、 1024位)來滿足不同的加密安全等級的需求;加密模塊中,選用了二進制序列的乘法方法,實現了大數模冪乘運算;解密模塊中,引用了擴展的歐幾里德法求逆元,並採用中國剩餘定理實現解密過程,大大提高了解密速度。A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished
採用最小二乘極大似然估計和多項式擬合的方法,分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律,建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型,應用該模型對加速度計溫度干擾進行補償,補償后,加速度計輸出的擬合均方根誤差一到二個數量級,並且基本上消除了加速度計輸出隨溫度變化的趨勢項,使得加速度計測量精度得到了明顯提高。Review of linear algebra, applications to networks, structures, and estimation, lagrange multipliers, differential equations of equilibrium, laplace ' s equation and potential flow, boundary - value problems, minimum principles and calculus of variations, fourier series, discrete fourier transform, convolution, applications
線性代數回顧,網路,結構以及估計的應用,拉格朗日乘數,平衡態的微分方程,拉普拉斯方程和勢流,邊值問題,最小值原理和變分法,傅立葉級數,離散傅立葉變換,卷積,應用。The optimal systems geometry is given. secondly, by expanding the equation in a taylor series about a reference point, the linearity least square algorithm is presented
根據定位方程非線性的特點,應用泰勒級數展開,提出了多基地聲吶定位的線性化最小二乘定位優化演算法。分享友人