Apply minimum cross - entropy spectral estimation to verify simulation models for antitank missile systems 最小交互熵譜估計(jì)在反坦克導(dǎo)彈系統(tǒng)仿真模型驗(yàn)證中的應(yīng)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(yīng)用兩個(gè)角度對(duì)最大熵譜預(yù)測(cè)外推算法以及在中斷連續(xù)波雷達(dá)中的設(shè)計(jì)實(shí)現(xiàn)進(jìn)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(tái),開(kāi)發(fā)了嵌入式的數(shù)據(jù)采集、最大熵譜分析以及中斷方式數(shù)據(jù)通訊系統(tǒng)。
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(yīng)理論引入最大熵譜估計(jì)的算法研究中,提出帶遺忘因子的基于最小平方準(zhǔn)則的最大熵譜估計(jì)lsll格梯型算法。最大熵譜估計(jì)算法的定階準(zhǔn)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(lǐng)域的應(yīng)用研究方面,將的短信號(hào)最大熵譜分析與模糊推理、神經(jīng)網(wǎng)絡(luò)技術(shù)相結(jié)合,采用模糊神經(jīng)網(wǎng)絡(luò)對(duì)最大熵譜分析得到的特征向量進(jìn)行自學(xué)習(xí)的模糊推理,能夠準(zhǔn)備識(shí)別故障類(lèi)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(yàn)前信息的一致性檢驗(yàn)的優(yōu)劣對(duì)小樣本下試驗(yàn)鑒定的影響是很大的,文中根據(jù)驗(yàn)前信息的特性給出了小樣本靜態(tài)檢驗(yàn)方法和動(dòng)態(tài)檢驗(yàn)方法,靜態(tài)檢驗(yàn)法有秩和檢驗(yàn)、 mood檢驗(yàn)法等,動(dòng)態(tài)檢驗(yàn)中重點(diǎn)對(duì)頻譜檢驗(yàn)法,如對(duì)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?yáng)|海溫鹽的觀(guān)測(cè)資料,通過(guò)統(tǒng)計(jì)平均、 eof分解、相關(guān)分析、最大熵譜分析等方法,對(duì)東海北部夏、冬季溫鹽年際年代際變化特征及其成因進(jìn)行了初步探討,得到以下結(jié)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(gè)氣象觀(guān)測(cè)站的降水量和氣溫資料、 1951 - 1999年全國(guó)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(gè)地市的受災(zāi)面積、成災(zāi)面積、耕地面積等資料,通過(guò)計(jì)算趨勢(shì)系數(shù)、變量場(chǎng)eof分解、旋轉(zhuǎn)eof分解、奇異譜分析和最大熵譜分析等多種統(tǒng)計(jì)學(xué)方法和天氣學(xué)方法,研究了浙江省氣候變化特點(diǎn)及旱澇災(zāi)害時(shí)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(hào)分析技術(shù),針對(duì)電液伺服道路模擬試驗(yàn)臺(tái)運(yùn)行狀態(tài)監(jiān)測(cè)和狀態(tài)評(píng)價(jià),對(duì)短信號(hào)的最大熵譜分析技術(shù)在自復(fù)雜非線(xiàn)性系統(tǒng)的實(shí)時(shí)在線(xiàn)故障診斷領(lǐng)域的應(yīng)用進(jìn)行了系統(tǒng)的理論和實(shí)驗(yàn)研究。