浮點演算法 的英文怎麼說
中文拼音 [fúdiǎnyǎnsuànfǎ]
浮點演算法
英文
fpa floating point arithmetic- 浮 : Ⅰ動詞1 (漂在液體表面) float; drift 2 [方言] (在水裡游) swim Ⅱ形容詞1 (在表面上的) superfici...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 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...
- 浮點 : [計算機] floating decimal; floating point
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Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated
由於氣浮臺平衡調試方法和手段的限制,實驗過程中氣浮臺質心與轉動中心有一定的位置偏差,必將導致較大的重力干擾力矩,在辨識演算法的推導過程中,重點考慮了重力干擾力矩的建模和參數辨識問題,推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法,並對演算法進行了數學模擬和全物理模擬驗證。2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain
在目標散射中心建模方面,我們將浮點型遺傳演算法( fga )應用於實際人工目標的gtd模型參數的抽取,利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮,並利用擴展的數據提高了距離解析度。2 montoye r k, hokenek e, runyon s l. design of the ibm risc system 6000 floating - point execution unit. ibm journal of research and development, 1990, 34 : 59 - 71. 3 oberman s. floating - point arithmetic unit including an efficient close data path
我們採用90納米cmos標準單元工藝以及synopsys自動布局布線流程進行實驗,實驗結果表明該演算法在高性能雙通路結構的浮點加減運算中引入后,可以使得近路徑的運算延遲整體降低10 . 2 % ,且演算法本身沒有造成新的關鍵路徑。The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency
通過從運行時間和佔用空間等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快速性,實現低諧波和頻率控制精度高的輸出電壓。In this paper, a lot of researches and exploration are applied to studying the universality and expansibility of hardware and the arithmetic design and code optimization of software. especially, all of the following arithmetics or conceptions are worked out in the research of software design : self - adaptable compression arithmetic based on dictionary model for data collection system, similarity full binary sort tree, a optimized quick search arithmetic and an improved arithmetic of multiplication in the floating - point operation. and all of the arithmetic are designed with mcs - 51 assembly language. the quick search arithmetic, in which merits of both binary search and sequence search are used fully, are based on the specialty of preorder traversal in similarity full binary sort tree
特別在軟體設計研究中,提出了適用於數據採集系統的數據壓縮演算法? ?基於字典模型的自適應壓縮演算法;提出了類滿二叉排序樹的定義;提出了基於類滿二叉排序樹的先序遍歷特性的最優化快速查找演算法,它充分利用了折半查找和順序查找各自的優點;提出了浮點運算乘法的改進演算法;並在mcs - 51匯編語言層次上對所有的演算法加以實現。At first, based on the simple genetic algorithm, an improved ga which adopts a combination of emigration policy and adaptive operator is presented. results of numerical optimization show that the improved ga is effective on preventing premature problem
本文在基本遺傳演算法的基礎上首先研究了浮點編碼遺傳演算法在數值優化中的應用,通過引進「移民策略」和自適應運算元相結合的方法,改進了基本遺傳演算法在後期進化緩慢的問題,極大地減少了早熟性收斂的現象。This paper studies fpu ' s algorithm, data - path, control - path, and implements the integration of the powerpc603e system. this thesis mainly discusses the algorithms and the implementation of the floating point unit in the embedded powerpc603e microrpocessor
論文的研究工作包括: ?研究浮點演算法,主要包括加減法、乘法、除法、開平方以及cordic ( coordinaterotationdigitalcomputer )演算法。The algorithm and its implementation of the leading zero anticipation are very vital for the performance of a high - speed floating - point adder in today s state of art microprocessor design. unfortunately, in predicting " shift amount " by a conventional lza design, the result could be off by one position. this paper presents a novel parallel error detection algorithm for a general - case lza
目前國際上已有很多演算法對前導0預測演算法進行了研究,但是出於設計方法和延遲等方面的限制,大部分前導0預測演算法都為非精確演算法,其預測結果可能與真實加法結果中前導0的個數產生一位的誤差,這個誤差需要在浮點加法的后規格化過程中進行修正,因此反過來又增加了浮點加減演算法的關鍵路徑延遲。Grid hiding and break line cut are difficult point in displaying of 3 - d grid data, the thesis also presented a new visualizing algorithm applicable for 3 - d grid data of topography - sliced polygon filling. the experiment result shown, contrasting to floating level, this algorithm excels in both time complication and effect of grid hiding and break line cut
三維網格顯示中的網格消隱與斷線處理一直是網格可視化技術中的難點,本文結合三維地形網格的特點,提出了一種新的網格可視化演算法? ?切片多邊形區域填充法,在實驗結果對比中,無論是演算法復雜度還是顯示效果上都明顯優于浮動水平面法。At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm
為提高演算法的性能,作者對遺傳演算法進行三種改進:首先,為克服遺傳演算法早熟收斂,作者提出一種新的二元浮點補碼變異運算元;其次,模擬生物自然進化模式,為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接;最後,作者提出一種區間分解優化思想,來提高對最優解的搜索能力。Genetic algorithms with hybrid float - code amp; gray - code
浮點數與格雷二進制混合編碼的遺傳演算法A novel algorithm for decomposing any signal into a linear expansion of elementary functions with a redundant dictionary is proposed
摘要在分析總結浮點數編碼和格雷碼編碼各自特點的基礎上,提出了一種用浮點數和格雷碼混合編碼的遺傳演算法來實現匹配追蹤演算法。The approximate computation method is used in float point computation of system ' s control algorithms after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements excitation voltage with low harmonic and high control precision of frequency
通過從運行時間和佔用空間等方面比較實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快速性,實現低諧波和頻率控制精度高的勵磁電壓。On the one hand it is important for the design of floating - point processor unit to optimize speed while algorithms of high - speed are introduced. for examples, two - path of high - speed floating - point addition, booth coding of floating - point multiplication. srt of floating - point division and square root, cordic of transcendental function and so on
一方面浮點處理部件設計重點在於速度的優化,所以採用優化的高速演算法,如浮點加法的two - path 、浮點乘法的booth編碼、浮點除法和平方根的srt演算法以及超越函數的cordic演算法等。In the constructing of the diagnosis module using the technology of the combination of the fuzzy logic and neural network, which based on the fuzzy adaptive learning control network, a simple kind of capable method for consummate the structure and performance of network is introduced, which includes the rules extraction based on the maximum weights matrix and the parameters amendment based on genetic algorithm by floating - point coding. during the monitoring of the parts condition, the output of the condition monitoring system shows the good working condition of the executing agency by fuzzily deducing from the control instruction send by the auv ' s controller and motion status, and so offers the proof to complete mission and return safely
在珍斷模塊建模中採用模糊邏輯與神經網路結合的技術,以模糊自適應學習控制網路為核心,提出了一種簡單可行的基於最大權值矩陣的規則提取及基於浮點數編碼的遺傳演算法的參數調整的,完善網路結構與性能的方法,並在狀態監測過程中,通過對由控制器輸入的水下機器人運動控制量以及運行狀態的模糊推理,得到執行部件(推進器或舵)的工作狀態優劣程度,為保證水下機器人完成任務,安全返回提供控制依據。4. to the situations of short - baseline, a genetic algorithm of search for ambiguity solution with horizontal model is studied
針對短基線的情況,研究基於平面模型的浮點數遺傳搜索演算法來確定整周模糊度。Many embedded applications have little or no need for floating - point arithmetic, and software emulation of powerpc floating - point instruction execution is usually more than adequate when it is needed
很多嵌入式應用程序很少或者根本不需要浮點演算法,而當需要的時候,對powerpc浮點指令執行進行軟體模擬就足夠了。Specification for binary floating point arithmetic for microprocessor systems
微處理器系統二進制浮點演算法規范Which is the most efficient data type for such operations
類型執行大多數浮點演算法,對浮點運算來說,這是最有效的數據類型。The proposed algorithm transformation procedure from the float - point to fixed - point is discussed in chapter2
描述了浮點演算法到定點演算法的移植過程。分享友人