環乘法 的英文怎麼說
中文拼音 [huánchéngfǎ]
環乘法
英文
ring multiplication-
Properties and structure of multiplicative band semirings
乘法帶半環的性質和結構Two detection methods of chirp signals are presented in the dissertation : the cyclic autocorrelation detection method and the correlation detection method of cyclic autocorrelation function. it is shown that the two methods both have an excellent performance of blind detection. the performance analyses of the two detection methods are both carried out for additive noise or multiplicative noise, and the output signal - to - noise ratio ( snr ) expressions of the two methods are also derived
通過研究提出了兩種線性調頻信號的檢測方法?基於循環自相關函數包絡的檢測方法和基於循環自相關函數的相關函數包絡的檢測方法,兩種方法均可實現信號的盲檢測,有良好的檢測性能,文中還分析了加性噪聲及存在乘性和加性噪聲情況下兩種檢測方法的性能,推導出了輸出信噪比公式。Static benefits are generated from peaking and valley - filling, which are further divided into capacity benefits and coal saving benefits. dynamic benefits come from its fast starting and flexible operation, including frequency regulation, synchronous condenser operation, fast coverage of steep load gradient and synchronous spinning reserve. as for the calculation of static benefits of pumped storage plant, the alternative coefficient method is normally adopted at present
目前在抽水蓄能電站的靜態效益計算中,一般採用替代系數法,即用抽水蓄能電站的裝機容量乘以容量替代系數( 1 . 05 1 . 1 )計算抽水蓄能電站的替代容量;用抽水蓄能電站的發電量乘以電量替代系數( 1 . 05 )計算替代電站的發電量,再根據循環效率的大小計算抽水蓄能電站的燃料消耗。Aim in order to prove a semiring whose additive reduct is a semilattice and multiplicative reduct is a inverse semigroup to be a distributive lattice
摘要目的求證加法導出是半格、乘法導出是逆半群的半環成為分配格的充要條件。Initial vector and iterating control in the solution to eigenvalue and eigenvector of a matrix by the matrix iterarion method
乘冪法求矩陣特徵向量與特徵值的初始向量及循環控制Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms
為更好地解決高動態環境中的載波同步問題,本文進一步研究了存在動態多普勒頻移情況下的開環相干載波同步問題,包括基於擴展卡爾曼濾波、最小二乘演算法等的頻差、相差聯合估計方法。For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived
針對托輥線壓載荷作用下烘缸的受力分析,本文根據薄壁圓柱殼在線壓載荷作用下的hoff理論解,在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上,對mangelsdorf近似解作了修正,並由最小二乘法導出殼體中部截面環向應力次大值的近似計算式。In the second section, we structure a kind of semirings, namely semidirect product of semirings, and prove an isomorphic theorem of semidirect products. in the third section, we give the characterizations of the relations of all kinds of regular semirings and introduce the concept of pseudo - inverse and the necessary and sufficient conditions of pseudo - invertible element. in the fourth section, we define an equivalence relation on the cartersian product of commutative semiring and its multiplicative subset
第二部分,先構造一類半環,半環半直積,然後證明半直積的同構定理第三部分,刻劃了半環各類正則元之間關系,引入偽逆的定義,給出了可偽逆元素的充要條件第四部分,在交換半環和乘法集的卡氏積上定義等價關系,進而構造了一類交換半環:分式半環In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。Traditionally, interest for loans and deposits with terms that do not fall neatly into whole years or months is calculated on a daily rate derived from the annual or monthly rate. the balance of the deposit or loan is then multiplied by the daily rate to give the interest. if the daily rate were to contain any recurring decimals, it would have to be rounded up or down to eliminate them, and any discrepancy due to the rounding would be carried over into the multiplication
除了完整年數或月數期限的存款及貸款之外,傳統上計算利息的方法是先以年利率或月利率轉化為日利率,然後再用所得的日利率乘以有關餘額來計出利息,若果日利率有循環小數則需先四捨五入,而有關偏差也會一併乘入餘額數目。The second is that for a complicated system, for example, with many loops as well as many controllers, it is very difficult to give the direct relation between the parameters of processes and that of controllers
這主要有以下幾方面原因:一是在工業環境下,對被控過程難以進行精確的數學描述。由於工業噪聲所表現出來的多樣性,最小二乘類等參數辨識方法的應用受到很大的限制。In order to improve their speed, " fast polynomial multiplication algorithm " and " fast algorithm of r - circulant matrix inversion " are proposed, which offer obviously computational advantages
本文提出了「快速多項式乘法運算」演算法和「 r -循環矩陣快速乘逆運算」演算法,用以提高這兩種運算的速度,具有明顯的速度優勢。Monte carlo simulations were conducted to study the new approaches of qtl mapping, the results indicated that general least squares ( gls ) method, which was widely applied in mixed linear model, could unbiasedly estimate all genetic main effects, including additive effects, dominance effects and epistatic effects of additive by additive, additive by dominance, dominance by additive, dominance by dominance. the interaction effects between genetic main effects and environments could also be predicted unbiasedly by linear unbiased prediction ( lup ). the heterosis prediction based on qtl effects was also unbiased
對新提出的qtl分析方法進行了montecarlo模擬研究,結果表明,廣泛應用於混合線性模型的廣義最小二乘法( gls )能夠無偏估計加性效應,顯性效應以及加加、加顯、顯加、顯顯上位性效應等各項遺傳主效應;運用線性無偏預測法( lup )能夠無偏預測上述各項遺傳主效應與環境的互作效應;基於qtl效應的雜種優勢預測也是無偏的。And for geometrically split link, sharp integrality of the ohtsuki invariant is given. a new multiplicative group, braid array, is constructed through a series of basic changes in the second part, and we conclude that any tame knot or link can be represented by finite braid array
第二部分,由於辮子群與紐結理論的密切聯系,本文構造了一個類似於矩陣的乘法群? ?辮子陣群,並給出了它的一系列基本變換,且得到所有溫良紐結或環鏈都可由有限階辮子陣惟一表示。In the first part of this paper we present a laser scanning location algorithm based on least square algorithm using landmarks. then successively, we give the principle of the landmarks option and position recovery algorithm. in the end, the work process of algorithm is given
給出了結構化環境中移動機器人路標閥值匹配演算法,對定位演算法,本文提出了一種基於最小二乘法的迭代搜索多路標定位演算法,並通過模擬實驗歸納出路標優化選擇的準則,提高了系統的定位精度。Chapter four : firstly, creatively puts forward the double circulation message drive programming idea, and detailedly expounds the basic theory of the double circulation message drive ; afterwards, works out the software of the electromagnetic flowmeter system according to it ; finally, works out the multi - byte decimal fixed point numbers multiplication & division subprogram, through studying the current arithmetic
第四章首先創造性地提出了雙循環消息驅動程序設計思想,並詳細闡述了雙循環消息驅動的基本原理;然後根據該思想設計出電磁流量計系統軟體;最後通過研究原有演算法設計出演算法改進后的多位元組十進制定點數乘除法程序模塊。Saturation vapour pressure of internal combustion engine under actual operation conditions is expressed as the multinomial by using least square method, which facilitates the calculation of rectifying coefficient of engine output and fuel consumption as well as the fabrication of computer programme for such calculations
摘要介紹了用最小二乘法擬合方法,將內燃機現場環境狀況下飽和蒸汽壓表示為多項式形式,為計算功率和燃油消耗率校正系數,並為此而編制計算機程序提供方便。Guests can board one of the experimental watercraft and embark on a twisting, whirling, wild ride through a labyrinth of fountains, rock formations and whirlpools. the center for weather control usually uses this facility for testing out new types of navigation systems
3人搭乘的水上逗趣船,四周環繞著試驗用的作品如旋渦巖石噴泉等,宛如闖入迷宮一般,一會兒突然改向行駛一會兒突然團團轉,行駛方向完全無法預測!The least - squares fitting for regular surfaces, such as planes, spheres, cones, tori to 3d data points is researched. the efficiency of computing is improved greatly and the effect of singularities on fitting is avoided
研究了規則曲面的擬合演算法,給出最小二乘法擬合平面、球面、圓柱面、圓錐面、圓環面等規則曲面的方法,這些方法的顯著優點是提高了計算效率,避免了擬合過程中奇異點的影響。The parameters estimation with the least square method is applied to the open speed system. the least square estimation with forgetting factor and the least square error self - tuning control are applied to the close speed system and controller parameters arc obtained from estimation parameters directly
採用最小二乘參數估計演算法對某渦扇發動機低壓轉速進行開環辨識,採用帶遺忘因子的最小二乘估和直接獲得控制器參數的自校正控制對該系統進行閉環控制。分享友人