浮點計演算法 的英文怎麼說
中文拼音 [fúdiǎnjìyǎnsuànfǎ]
浮點計演算法
英文
floating decimal algorithm- 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「、」)...
- 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...
- 浮點 : [計算機] floating decimal; floating point
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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。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。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。This method is especially simple and easy to implement. furthermore, it fully capable of tracking digital control signals carried by 4 ~ 20ma analog signals ; during software development phase, we have completed signal collecting, lcd displaying, d / a converting of hart signal and ieee - 754 32 bit float point conversion. we used a simplified method in ieee - 754 32 bit compatible float point conversion based on the 24 bit integer and 16 bit decimal computation
在hart信號的解調外圍電路中採用遲滯比較電路實現波形的轉化,這種方法簡單、易實現,完全能夠跟蹤加載在4 20ma模擬信號上的數字控制信號;在軟體設計中,完成了hart信號的採集編程、 lcd顯示編程、 d a轉化控制編程和ieee - 75432位浮點數的轉化編程, ieee - 75432位浮點數轉化編程採用的是在最多滿足24位整數位和16位小數位的基礎上的一種簡化演算法。Floating - point unit is a special microprocessor circuitry unit that deals with floating - point arithmetic operations, which is widely used in scientific arithmetic, cpu, dsp ( digital signal processing ) and image processing, the thesis discusses how to implement high - performance floating - point processing unit based on the research of its implementation algorithm and its implementation structure
浮點運算單元( fpu )是處理器中專門進行浮點算術運算的電路單元,廣泛應用在科學計算、 cpu 、 dsp和圖象處理。論文從浮點運算單元的實現演算法和結構的研究出發,討論如何實現高性能浮點運算單元。The major tasks include : ( 1 ) expand the schema theorem for ga. the schema theorem with binary coding advanced by professor holland is expanded to limited integer, letter, floating point numbers the number of which value is limited, and their hybrid coding. ( 2 ) put forward replacing by the excellent chromosome ga ( recga ), superiority colony first ga ( scfga ) and improve the ga ; ( 3 ) make probability convergence analysis of recga using the theory of markov chain, random process ; ( 4 ) make convergence analysis of scfga using the principle of contractive mapping in functional analysis theory ; ( 5 ) design the test programs ( cap ) to resolve np problems ( course arrangement ) with gas ; based on recga, modify the arithmetic and then conduct tests
主要有以下幾方面工作: ( 1 )將二進制編碼遺傳演算法的模式定理擴展到由有限整數、字母或取值個數有限的浮點數編碼,或它們混合編碼的遺傳演算法范圍; ( 2 )提出最佳個體替換策略遺傳演算法( recga ) 、優勢群體優先策略遺傳演算法( scfga ) ,對遺傳演算法進行改進; ( 3 )使用隨機過程理論markov鏈對recga進行了收斂性分析; ( 4 )使用泛函分析理論壓縮映射原理對scfga進行了收斂性分析; ( 5 )使用遺傳演算法設計了解決np類問題(排課問題)的測試程序( cap ) ,並根據recga對演算法進行改進並進行測試。In the coarse step, an improved klt ( kanade - lucas - tomasi ) algorithm is applied in feature extraction, and a new acceleratingalgorithm of template matching is presented to match features, and also a feasible feature validitytesting method is given. in the precise step, the “ regional counting method based onjoint - histogram ” is used for reference to make out its own improved method, which achieves “ sub - pixel ” precision as well as avoids heavy floating - point operation by clever definition ofcriterion function
粗配準過程中,利用klt ( kanade - lucas - tomasi )的改進演算法進行特徵提取,提出一種新的模板匹配加速演算法進行特徵匹配,還給出了切實可行的特徵有效性檢驗方法;精配準過程中,借鑒「聯合直方圖區域計數法」的思想,提出具體的改進方案,通過巧妙定義準則函數使得演算法在避開大量浮點運算的同時達到了亞像素級精度。Two conclusions about suspending control system are given in this paper : 1. the single suspending system controlled by parameter self - turning control algorithm has better performance when the mass of single point suspending system, the resistance of electromagnet and the suspending gap are variable ; 2. the single suspending system controlled by global asymptotic stability control algorithm is global asymptotic stability and can restrain the stochastic noise
通過對採用上述控制演算法的懸浮系統的理論分析和模擬研究,主要得到了以下幾方面結論: 1 .當系統懸浮質量、電磁鐵電阻和額定間隙參數變化時,設計的參數自校正控制演算法可使系統的動態性能指標保持在設定的指標; 2 .設計的全局穩定控制演算法,能夠保證二級結構單點懸浮系統的全局漸近穩定,且對隨機噪聲干擾有一定的抑制作用。分享友人