Apply minimum cross - entropy spectral estimation to verify simulation models for antitank missile systems 最小交互熵譜估計在反坦克導彈系統仿真模型驗證中的應用
The paper discusses the maximum entropy spectral estimation algorithm and its application in icw ( interrupted - continuous wave ) radar in the aspect of theoretics and engineering 論文從理論和應用兩個角度對最大熵譜預測外推算法以及在中斷連續波雷達中的設計實現進行了研究。
Based on texa instrument company ' s tms320lf2407dsp microprocessor , data acquisition module , mese arithmetic module and serial communication module are embedded in the single - chip microcomputer 基于ti公司的tms320lf2407dsp芯片的硬件平臺,開發了嵌入式的數據采集、最大熵譜分析以及中斷方式數據通訊系統。
The thesis , applies the auto - adaptive theory to the arithmetic for mese ( maximum entropy spectral estimation ) , and presents new lsll arithmetic for mese , which is based on method of the recursive least square with forgetting factor 將自適應理論引入最大熵譜估計的算法研究中,提出帶遺忘因子的基于最小平方準則的最大熵譜估計lsll格梯型算法。最大熵譜估計算法的定階準則研究。
In the field of application of fault diagnosis with mese , using short signal analysis technology can get characteristics vector of faults . then fuzzy reasoning and neural networks are used to construct fault diagnosis system . the fault diagnosis system analyses the characteristic vector by self - learning 在故障診斷領域的應用研究方面,將的短信號最大熵譜分析與模糊推理、神經網絡技術相結合,采用模糊神經網絡對最大熵譜分析得到的特征向量進行自學習的模糊推理,能夠準備識別故障類型。
Based on the characteristics of information , there are two kinds of consistence test methods : static method and dynamic one . static consistence test method contains rank sum test , mood test , etc . as for the dynamic consistency test methods , the emphasis is focused on spectrum analyses , such as maximum entropy spectrum estimation , etc . in engineering applications , constituting precision evaluation projects of diverse war indexes have been intensively analyzed , all steps of evaluation have been synthetically analyzed and applied to engineering : an integrated evaluation example is provided 驗前信息的一致性檢驗的優劣對小樣本下試驗鑒定的影響是很大的,文中根據驗前信息的特性給出了小樣本靜態檢驗方法和動態檢驗方法,靜態檢驗法有秩和檢驗、 mood檢驗法等,動態檢驗中重點對頻譜檢驗法,如對最大熵譜等作了理論分析。
In this paper , data gathered during 1957 - 1996 were used to study the climatological variability in the northern ecs , through statistical methods such as eof decomposition , correlation analysis , and maximum entropy spectrum analysis . the conclusions were drawn as follows : 1 本文利用1957 1996年東海溫鹽的觀測資料,通過統計平均、 eof分解、相關分析、最大熵譜分析等方法,對東海北部夏、冬季溫鹽年際年代際變化特征及其成因進行了初步探討,得到以下結論: 1
In this paper , the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province , 160 rainfall and temperature data during 1951 - 1999 observed over china , northern hemisphere 500mb height data during ! 961 - 1999 , the planting and flood disasters area data in zhejiang province during 1949 - 1998 . we used many method : calculated trend coefficient of rainfall and temperature , used eof , reof , ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method . we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang 本文用1961 - 1999年浙江省36個氣象觀測站的降水量和氣溫資料、 1951 - 1999年全國160站的降水量和氣溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災面積、成災面積、耕地面積等資料,通過計算趨勢系數、變量場eof分解、旋轉eof分解、奇異譜分析和最大熵譜分析等多種統計學方法和天氣學方法,研究了浙江省氣候變化特點及旱澇災害時空分布的特征。
The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application . based on short signal analysis theory , the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically 本文基于短信號分析技術,針對電液伺服道路模擬試驗臺運行狀態監測和狀態評價,對短信號的最大熵譜分析技術在自復雜非線性系統的實時在線故障診斷領域的應用進行了系統的理論和實驗研究。