簡單抽提 的英文怎麼說
中文拼音 [jiǎndānchōudī]
簡單抽提
英文
single extraction-
First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。The appearance of object oriented technique not only provides power system calculating and analysis software with a new method, but also make it have friendly interface, operate simply, abstract real physical network better, extend function better and have code reuse
面向對象技術的出現不僅為電力系統計算分析軟體的編寫提供了新的方法，而且使軟體具有界面友好、操作簡單、更好地抽象現實物理電網、方便的功能擴充及代碼重用性等優點。A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error
關聯規則挖掘作為數據挖掘的核心任務之一，由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸，使得從原始的大規模數據集上抽取一部分樣本，在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種簡單有效的現實可行方法之一。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。On the other hand, the thesis studies to develop the design software library for the hdcs with c + + programming language, including rcs module and communication tool of control system. moreover, based on the concept and properties of class and the merits of application programming interface ( api ), the thesis puts forwards to use the abstract class to realize the elements of the design software library, such as the control module ( rcs module ) class and the communication classes ( neutral message language and communication management system ), encapsulating the bottom details of the application and providing the top interface for user, as leads to the interface between modules be simple and makes user master and use them conveniently. what ' s more, the control system developed by the design software has good expansibility and reusability
另外，本文研究了用c + +程序設計語言進行遞階分佈控制系統設計軟體庫的開發，包括rcs模塊和系統通訊工具。基於類的概念與特徵以及應用程序編程介面（ api ）的優點，提出用抽象類實現設計軟體庫元件，如控制模塊（ rcs模塊）類和通訊類（中性消息語言nml （ neutralmessagelanguage ，簡稱nml ）和通訊管理系統cms （ communicationmanagementsystem ，簡稱cms ） ） ，封裝了控制系統應用程序底層的工作細節並提供了高層介面，從而使控制模塊之間介面簡單，便於用戶掌握和使用，使開發出的控制系統具有很好的擴展性和重用性。A new sign test based on double - ranked set sampling is proposed, and its asymptotic distribution was obtained ; and the asymptotic efficiency relative to under srs and rss was discussed, which show that this test had higher efficiency
摘要提出基於重排序集抽樣的符號檢驗，給出相應的極限分佈，並討論了相對于基於簡單隨機抽樣和排序集抽樣的符號檢驗統計量的漸近效率，得出此檢驗具有較高的功效。The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly
與已有的簡單隨機抽樣方法相比，本文提出的方法在大規模語料庫分詞質量評價時，有如下優點； a通過聚類得到語料庫抽樣樣本分詞正確率的分層知識，進而在檢驗中運用分層抽樣帶來的增益減少檢驗的費用： bIt is shown that through the competition for the priority of using the cpr, the elaborated mechanism will motivate the agents to signal their time preferences and marginal costs in a bayesian equilibrium, which ensures that people do not over - use the cpr and rewards the agents who have more patience and / or are more cost - efficient
通過讓最低標價的成員最先使用公共資源這樣一種簡單的配置辦法，本文提出的新機制鼓勵更有耐性的成員選擇等待而得到更高回報，相對于平均分配和隨機分配（抽簽） ，可以明顯地提高資源的配置效率。The abstract data types of haskell in many ways provide a more straightforward route to enforcing validity than do oop attribute restrictions
與oop屬性限制相比， haskell的抽象數據類型在很多方面提供更簡單的方法來實施有效性。The language has a strong logic and can be applied easily. a famous electronic commerce protocol ? secure electornic transaction ( set ) is also simply introduced and abstracted. at last, the abstracted protocol is especially analyzed and verified completely by the new logic
作者還簡單介紹了著名的電子商務協議?安全電子交易（ set ）協議，並對其進行邏輯抽象，最後著重用提出的新邏輯對抽象化后的set協議進行了完全的分析與驗證。The main works of this paper are presented as follows : ( 1 ) analyzed the research condition and the difficulty of multi - agent security research at present, and we gave the definition of security in a multi - agent system ; ( 2 ) analyzed and sampled involved immune mechanism, we constructed a immune agent and described its mental attribute by dfl ; ( 3 ) gave a communication form based on mental attribute ; ( 4 ) based on dfl, we proposed a diseriminating model among tias by taking into account the theories of dynamic immune network ; ( 5 ) based on the principle of clone selection, we gave a tia ’ s immune algorithm, and put forward single tia ’ s distinghuishing model and multi - tia ’ s distinghuishing model by taking this algorithm as foundation ; ( 6 ) the security model carried on an application in the detection of computer virus, for this purpose, we also developed a simple simulation program based on binary coding
主要包括如下工作: （ 1 ）分析了當前多agent安全的研究現狀及其面臨的困難，給出了多agent安全的需求和定義; （ 2 ）分析和抽取了相關的免疫機制，構造了一種免疫agent ，並利用動態模糊邏輯對其非空心智狀態進行了描述; （ 3 ）給出了agent之間基於心智屬性的通信方式; （ 4 ）以動態免疫網路理論為基礎，結合動態模糊邏輯，給出了tia的狀態鑒別模型; （ 5 ）給出了基於克隆選擇原理的tia免疫演算法，並在該演算法的基礎上提出了單tia非自體識別模型和多tia協商非自體識別模型; （ 6 ）將該安全模式在計算機病毒檢測中進行了應用，實現了一個簡單的基於二進制編碼的計算機病毒檢測模擬系統。According to the idea of the finished em - plant hiberarchy and dynamic model and the process characteristics and simulation aims of container terminals, the paper introduce the characteristics and modelling process of discrete event ; at the specification of em - plant, the paper show the modelling unit and programming function of em - plant detailedly. next, a computer simulation model of container terminal logistics system is made based on the software of em - plant and is validated by the data of an actual terminal. at last the model is used to analyze the present productivity of an actual container terminal and the bottleneck of its logistics system after the terminal is expanded, and provides the decision support for the terminal
根據天津港集裝箱碼頭物流系統的層次模型和動態模型的思路，以天津港碼頭的數據為原型，根據天津港集裝箱碼頭生產作業的特點與模擬目標的要求，介紹了離散事件系統的特點和對離散系統模擬的步驟，在em - plant的主要特點說明中，詳細介紹了em - plant的建模單元和其編程功能，針對本模型的特點，說明了模型的結構和模擬目標，在保持模型主要特點和功能的前提下對模型進行了必要的抽象和簡化，然後藉助現代離散事件動態系統模擬語言em - piant ，建立了集裝箱碼頭物流系統的計算機模擬模型，並利用碼頭的實際營運數據驗證了模擬模型的可靠性。A new cooperation model, dreascom ( dynamic real - time strong cooperation model ), is proposed. two key technologies of cooperation model - group awareness and cooperation control, are studied, and specific mechanisms for group awareness and cooperation control in dreascom, dhga and dhcc, are also proposed. as a result, a prototype of the dynamic real - time strong cooperation system is developed to verify the cooperation model dreascom and related mechanisms
文中首先分析了協同作戰指揮控制系統中的復雜性、動態性、實時性等特性，據此把它抽象為一種復雜的動態實時強協同協作模型dreascom ；研究了其中的群體感知和協作控制兩項關鍵技術，提出了適合於協同作戰指揮應用特性的動態層次式群體感知機制dhga和動態層次式協作控制機制dhcc ；在此基礎上設計了新一代作戰指揮控制系統平臺原型；最後開發了一個簡單的原型驗證系統，對本文所構造的協作模型以及相應機制進行了功能驗證。Simply, if the prince gains an advantage over his enemy, by catching them unaware, he ' ll be prompted into a context sensitive series of actions that allow him to take down foes with dazzling and brutal swipes, stabs and slashes
簡單來說，如果王子能抓住敵人的弱點，讓他們沒有防備，系統就會提示他使用一系列前後關聯的連擊技，王子得以此在一陣炫目殘忍的砍殺刺擊抽割中將敵人結果。Xforms provides an xml editing solution with an abstracted user interface layer
它超越了對xml的簡單重復，提供了一種xml編輯方案和經過抽象的用戶界面層。分享友人