genetic block 中文意思是什麼
genetic block
解釋
遺傳性障礙-
The paper discusses the basic theory of genetic algorithms including schemate theorem, building block hypothesis, implicit parallelism, the analysis of astringency and so on, as the theoretical base of application
在對遺傳演算法的闡述中，討論了遺傳演算法的基本原理，包括模式定理、積木塊假設、隱含并行性和遺傳演算法的收斂性分析等，作為後面遺傳演算法應用的理論依據。 -
A genetic algorithm ( ga ) based on building block recognition was proposed, in which building block candidates were recognized in evolving process to speed up the search so as to avoid the blindness of ga random searching
摘要提出了一種基於積木塊識別的遺傳演算法，該演算法通過對進化過程中的候選積木塊進行識別與利用來加速搜索，從而避免遺傳演算法隨機搜索的盲目性。 -
" it is not just walking around the block. it is really working up a sweat, " said tim spector, a genetic epidemiologist who led the study, in a telephone interview
該研究負責人、遺傳流行病學家蒂姆?斯派科特在接受電話采訪時說： 「這里所說的鍛煉並不只是簡單的散散步，而是要運動到出汗。 」 -
Perfection and adjustment according to system properties, it combines genetic algorithms with fuzzy control, detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable, and one pi block is connected after output of fuzzy controllers, consequently the structure of the improved fuzzy controller is analyzed, finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers, and the simulation results of before and after optimization are compared
由於在模糊控制器的設計過程中存在較多的人為因素，為了實現根據系統特性對模糊規則和隸屬函數進行自動修正、完善和調整，本文將遺傳演算法和模糊控制結合起來，並針對前面設計的模糊控制器中所存在的問題進行了詳細分析，提出了兩種改進方案： 1在簡單模糊控制器的輸入變量中加入了變量變化率的信息，即將輸入變量和變量的變化率融合為一個輸入量，並在模糊控制器的輸出端加入比例、積分環節，然後分析了這種改進后的模糊控制器的解析結構，最後採用改進后的自適應遺傳運算元的遺傳演算法對模糊控制器中的隸屬函數和融合因子進行優化，並將優化前後的結果作了比較和分析。 2 -
After analyzing the characteristic of the parallel processing system, some problems about design missile - carrying processing system are pointed out ; network in the parallel processing system has become bottleneck and affect the performance of system, so the processing efficiency is analyzed in a multiprocessor system based on cluster - bus and some rules in designing the network in the multiprocessor system are brought out ; genetic algorithm is used for scheduling in the multiprocessor system, and a scheduling algorithm is described to suit arbitrary number of tasks, unequal task processing time, arbitrary precedence relation among tasks and arbitrary number of parallel processor, so that the schedule length will be minimized ; finally, an atr algorithm is mapped to a ring multiprocessor system, and a block diagram using dsp device is constructed. in chapter 4, the study is performed on real - time system hardware realization of atr. tms320c80 is selected as the kernel processor in multiprocessor system
為此，對一種由常用的dsp晶元組成的多處理器系統的處理器利用率進行了分析，提出了多處理器系統互連網路設計的基本原則；本章使用遺傳演算法作為實現多處理器調度的工具，提出了一種新的任務調度演算法，該演算法主要是為了解決在任務數任意、任務計算時間不相等、任務前趨關系任意、以及任務間存在通信和考慮任務存貯器要求的情況下，如何優化任務在各個處理器上的分配和執行順序，使得多處理器系統總的執行時間最小；最後對一個目標識別演算法進行了硬體實現優化分析，根據分析結果，將演算法映射到由dsp晶元組成的環形網路連接的處理器拓撲結構上，得到了多處理器系統的原理框圖。 -
Main works based on the newspaper samples is just as the following : ( 1 ) texture block is designed to embody more font characters. ( 2 ) filter orientation is optimized with genetic algorithm to make the angle set subtler. then the multi - channel gabor filter may extract better features
通過對實際字體樣本的分析，本文主要完成了以下工作： （ 1 ）設計了更能體現字體特徵的紋理圖像塊； （ 2 ）利用遺傳演算法對濾波角度進行了優化選擇，得到了更為精細的角度集合，以此生成的多通道gabor濾波器能夠提取穩定的字體特徵； （ 3 ）字體樣本的分佈具有多峰性質，以動態聚類演算法得到的分段線性分類器更好地分類字體。 -
Low noise amplifier using fet is adopted in the rf block of smart antenna both at 3. 95ghz and at 1. 9ghz. in the design process of lna, the author applies genetic algorithm in the optimization of gain and noise figure
兩套射頻電路的低噪聲放大器電路均採用了兩級場效應管放大，在其增益及噪聲的優化過程中採用了遺傳演算法這一全局搜索性能較好的數值演算法。
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