級數乘法 的英文怎麼說

中文拼音 [shǔchéng]
級數乘法 英文
multiplication of series
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  1. 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,運用雙五次b樣條函作為試函的離散型最小二加權殘值分析了雙參地基上的中厚板的彎曲問題,並將結果與有限元線、有限條精確解等進行比較,證明本文方具有足夠的精確性與實際的可行性。
  2. 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、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據介面部分第六章提出了面向系統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測試方和掃描總線,提出了基於fpga
  3. After 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浮點二進制標準為參考,借鑒了經典的定點加器和器的設計,嘗試性的給出了浮點加單元和單元的實現模型和行為上的硬體描述,並對其進行模擬和驗證。
  4. 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:採用分離的指令和據cache (哈佛結構) ,五流水,硬體器和除器,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。
  5. 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據類型和doof據類型下電連接器的可靠性分析方,提出了以不完全beta分佈為一先驗分佈,超參為[ 0 , 1 ]上的均勻分佈作為失效概率先驗分佈的多層bayes方,結合加權最小二解決了產品在無失效據和doof據下的可靠性分析問題。
  6. 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,以種群結構參為依據,運用加權與條件概率則,定量椎導出衡量種群年齡結構及群落結構的動態指,該方克服了過去在植物種群結構動態比較評價中粗放的等歸類劃分的缺陷,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。
  7. 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據量化后和量化時分別以的倍構成一個組,以字元形式保存,採用靜態huffman編碼對變換據進行壓縮;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進行閾值量化處理,對以的倍、小波變換的階、小波變換后的低頻、各高頻以及原始據長度、量化后的低頻系以及保留的高頻系大小、位置構成一個組,以字元形式保存,採用動態huffman編碼對這個文件進行壓縮。
  8. 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的生成、採用整除小素和勒曼測試判定素,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的需求;加密模塊中,選用了二進制序列的,實現了大模冪運算;解密模塊中,引用了擴展的歐幾里德求逆元,並採用中國剩餘定理實現解密過程,大大提高了解密速度。
  9. 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

    採用最小二極大似然估計和多項式擬合的方,分析加速度計靜態模型系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,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。
  10. 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

    線性代回顧,網路,結構以及估計的應用,拉格朗日,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,傅立葉,離散傅立葉變換,卷積,應用。
  11. 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,應用泰勒展開,提出了多基地聲吶定位的線性化最小二定位優化演算
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