fm-a 中文意思是什麼

fm-a 解釋

  • fm : 1 Field Marshal 〈英國〉陸軍元帥。2 frequency modulation 【物理學】調頻，頻率調制。3 foreign miss...
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. The thesis, somehow, is a summary, which expounds the main contents of traditional portfolio theory ( tpt ) and mpt, also gives a comparison between tpt and mpt ; analyses two aspects of markowitz theory, one is the effects of risk disperses and the demonstration, the other is how to make an optimal portfolio strategy ; researches into capital assets pricing model ( capm ), factor model ( fm ) and arbitrage pricing theory ( apt ) respectively in three parts ; studies another two parts, one is the premise of mpt, which is the efficient market hypothesis ( emh ), the other analyses the behavior finance theory ( bft ) produced in the background of challenging and querying to emt and capm. the thesis finally discusses the researching and applying prospects of mpt in china

    論文對現代資產組合理論與傳統資產組合理論分別進行了分析，並對兩者進行了比較研究，對馬克維茨的均值? ?方差理論從資產組合風險分散效應和最優資產組合選擇兩方面進行了重點分析，對資本資產定價模型、因素模型、套利定價理論進行了一定深度的分析和研究，對現代資產組合理論的前提假設? ?有效市場理論及在對有效市場理論和資本資產定價模型形成挑戰和質疑背景下提出的行為金融理論進行了論述，論文最後分析了現代資產組合理論在我國的研究及其應用的廣闊前景。
  2. Combined the above results, there existed significant correlation among chlorophyll a fluorescence parameters ( fv / fo, fv / fm, yield, qp, qn and mda contents, plasma membrane permeability in euonymus japonicus " zhuzi " seedlings

    葉綠素熒光a參數與mda含量及質膜相對透性的的相關性分析表明，低溫脅迫下， ps原初光能轉化受抑製程度與膜脂過氧化存在一定的關系。
  3. An am - fm modulation model of vocal tract and its a

    調幅模型及其在語音分析中的應用
  4. The main content and contribution in this dissertation are as follows : 1. the rrs wireless channel characteristic and the two - path model are described and a simulation model of the pcm / fm rss system is introduced

    本文的主要工作和貢獻之處: 1 .分析了再入遙測無線通道特性及雙徑模型，建立了pcm / fm再入遙測系統模擬模型。
  5. In this mode 0 - 20 khz musical signals can be compression encoded. for example, it can use 32 kbits signals to compression encode 0 - 15 khz musical signals and compress stereosonic signals into 56 kbits signals. thus it can use a 64 kbits signal to provide stereosonic music of fm radio broadcasting or cds

    用該方式可將0 ~ 20khz的音樂信號進行壓縮編碼，例如，它可用32kbits的速率的信號對0 ~ 15khz的音樂信號進行壓縮編碼，可把立體聲信號壓縮成56kbits速率的信號，因而可用一個64kbits的信號提供調頻無線電廣播或相同於cd音質如身臨其境的立體聲音樂。
  6. Founded in 1993, shenzhen chaowei industry co., ltd. a professional manufacture, engaging in lcd clock, mini phone, am fm radio, digital recorder, practical electric gifts and quartz clock core. with the franchise of import and export, chaowei is also a permanent member of shenzhen clock watch association

    深圳市超維實業有限公司成立於1993年，是lcd鐘迷你電話機am fm收音機數碼錄音機實用電子禮品和贈品及石英鐘機芯的專業製造商，是深圳市鐘表行業協會的常務理事單位，擁有自營產品進出口權。
  7. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著，對信號功率譜、平方譜及四次方譜進行研究，針對通信中常用的調制方式，結合前人提出的基於決策理論中的特徵參數，設計了一組對信噪比和信號調制參數不敏感的分類特徵參數，利用上述參數完成了一種基於信號頻域的識別方法，可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  8. Under high light treatment, the f ormation of a and z decreased, and the values of non - photochemical quenching ( npq ) and fv / fm in a29 were both lower than those in the wild - type plant

    通過凍融法從該植株的類囊體中提取vde酶，其酶活性為3 2 ，是對照植株的45 7 ，表明vde酶受到了抑制。
  9. How many points do i ( does he ) need for a gm ( im. fm ) norm

    為獲得特級大師（國際大師，棋聯大師）的標準，我需要得到多少分。
  10. How many point do i ( does he ) need for a gm ( i m, fm ) norm

    我（他）得多少分能得到一個特級大師（國際大師，棋聯大師）標準分？
  11. Name officially changed to radio television hong kong rthk to reflect increasing television output ; radio broadcast in fm stereo a pioneering attempt in asia

    加設電視節目製作，電臺名稱改為香港電臺同年，採用短波調頻立體聲廣播，開創亞洲先河
  12. The error probability of binary am is greater than for binary fm by a factor of at least 6

    二進制調幅的誤差概率比二進制調頻至少大5倍
  13. Fm screening, short for frequency modulation screening, is a pew technology in today ' s graphic arts, which can avoid moire effectively, increase productivity, and improve product quality

    調頻加網技術是印刷行業的一項新技術，它能有效消除龜紋的影響，提高生產效率和印品質量。
  14. Microsoft cars would have a special radio / cassette player which would only be able to listen to microsoft fm, and play microsoft cassettes

    微軟式汽車會配有專門的收/放音機，但它只能收聽微軟調頻臺，只能播放微軟磁帶。
  15. A comprehensive theory is presented for fm spectroscopy of doppler - broadened molecular iodine absorption lines. the relationship betwcen fm spectroscopy and modulation frequency and modulation index has been studied. the whole circuit for thc frcquency stabilized laser system has been developed

    建立了多普勒加寬碘分子線性吸收fm光譜的一般理論，對fm光譜與調制頻率和調制度的關系進行了研究；並研製了532nmnd : yvo _ 4 / ktp碘吸收穩頻激光器的電路系統；提出了虛擬激光穩頻技術的概念。
  16. We confirm the development way that is to build strategy alliance between the company and oil - chemical headquarters, and persist in implementing multi - industry. the thesis gives the points of view that hightening the enterprise diathesis is the only ways to keep the fm living and developing for a long time

    在公司發展戰略中確定了公司與煉化公司間建立戰略聯盟的發展道路，堅持立足煉化公司實施多元化經營，是大慶油田飛馬公司的努力方向，而保持企業長期生存和發展的根本性保證則是企業自身素質的提高。
  17. Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility

    Qpsk數字電視調制器採用了先進的數字信號處理技術，完全符合dvb - s標準，接收端可直接用數字衛星接收機進行接收。它不但能取得較高的頻譜利用率，具有很強的抗干擾性和較高的性能價格比，而且和模擬fm微波設備也能很好的兼容。
  18. Chapter 5 explains the signal flow in the if module and the theory in fm modulating and demodulating, and shows a few algorithms of the fir filter design and the spectrum comparing realized by the dsp chip, produces their result in the matlab simulator and real circuit debugging

    第五章介紹了數字中頻模塊的信號流程、 fm信號調制與解調理論，介紹了用dsp晶元實現的fir濾波，頻譜比較等演算法的matlab模擬與實際電路的調試結果。
  19. As we try to model stadiums as accurately as we are allowed, many are set to not being able to be expanded due to a lack of available planning permission, just like in real life, so there were occasions when mighty fm managers took their clubs from obscurity to the top division to find that they couldn ' t get any more fans into the ground

    當我們得到允許開始作球場的模型時，和現實生活中一樣，因為缺少可行的計劃許可，很多都無法成功，因此有可能一個足球經理人將他們的俱樂部從黑暗中帶到頂級聯賽但卻發現他們無法將更多的球迷帶到球場。
  20. Lin, chien - yuan, yueh, yuh - jyh, ( 1997 ), " development of a prototype sdss for the control of land development ", gis am / fm asia ’ 97 & geoinformatics ’ 97, taipei, may 26 - 29

    岳裕智，林建元（ 1997 ） ， "大型土地開發審議之空間決策支援系統" ，中華地理學會年會，臺中逢甲大學，元月23日。
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