impulse response function 中文意思是什麼

impulse response function 解釋
沖激響應函數
  • impulse : n. 1. 沖動;【物理學】沖量;推進力;脈沖,【醫學】沖動,搏動。2. 鼓舞,刺激;一時高興,興奮。vt. 推動。
  • response : n. 1. 回答,答復。2. 【宗教】應唱聖歌。3. (因刺激等引起的)感應,反應,反響;應驗;【物理學】響應;【無線電】靈敏度,感擾性;特性曲線。
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious

    本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析,提出了各力學結果描述的解析式;並以eular - bernonulli梁模型為主,基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法;在管道受力結果的分析中,考慮管道響應輸出的隨機性,將管道響應用隨機過程來描述其概率特徵,使得結果描述更加真實準確。
  2. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文構建了一個三部門的技術外溢效應模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標,進一步採用基於var系統的脈沖響應函數法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  3. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  4. The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions

    因此,本文在國內外學者已有的研究基礎上,以我國貨幣政策的中介目標? ?貨幣供應量為線索,就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究,重點是應用國外時間序列經濟計量學的最新研究成果,如脈沖響應函數、預測方差分解模型等進行探索性地定量分析,並得出有價值的實證結論。
  5. Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components

    由力規及加速規兩量測之時域訊號,經快速富利葉轉換,計算其自頻譜及互頻譜,再經反富氏轉換回時域之自相關及互相關函數、相通函數、訊噪比、頻率響應函數、脈沖響應函數。
  6. Through the establishment of var and vecm model and the analyzing of granger causality relationship both long time and short time, the stability of model, impulse response function and etc. we conclude that there is not any monetary indicator that has significant influence both in long term and short term ; if we choose interest rate as the monetary indicator, we will have long term influence but long lag time as well ; but if we select loan as the monetary indicator the performance will at verse, the short time influence while the short lag interval

    通過建立對商品房銷售額、上海住宅銷售價格指數與各貨幣政策中介目標的var模型與vecm模型,分析變量間的長期與短期granger因果關系,模型穩定性與脈沖相應函數等,本文認為在房地產市場中不存在長期和短期都有效的某一貨幣政策中介目標;以利率為中介目標則滯后時間較長但影響力持續時間也較長;以貸款為中介目標則滯后時間較短但影響力持續時間也較短。
  7. When awg regarded as space unchanged linear system, an analytical solution of out - waveguide field is obtained by using the impulse response function. the crosstalk transformation on account of apertometer and waveguide spacing is also obtained by numerical calculation

    本文還將awg視為空間不變線性系統,使用點擴展函數的方法,求出awg系統輸出分佈的解析式,通過數值計算得到串擾與數值孔徑及其波導間距的關系。
  8. Impulse response function and variance decomposition showed that most of the leading indicators lead 4 to 9 months of economy

    並用脈沖響應函數和誤差方差分解確定了每個先行指標的大致領先期數,在4到9個月之間,以5個月居多。
  9. On the basis of looking up a lot of literatures, using granger causality test, impulse response function and variance decomposition, i established the leading indicators system of fujian province. the dissertation is organized as follows

    本文在查閱和整理國內外大量關于先行指標研究文獻的基礎上,結合福建省的數據實際,運用計量經濟分析方法中的granger檢驗、脈沖響應函數和誤差方差分解嘗試建立了福建省經濟運行的先行指標體系。
  10. In the area of structural dynamic analysis, traditional fft and time domain method have a variety of drawbacks. so we use wavelet method to extract impulse response function of system and compare it with fft method. through a lot of simulation examples, we can see that wavelet method is superior to fft method and can obtain more accurate results

    在結構動態特性分析中,本文在介紹傳統的fft方法和時域方法本身所具有的局限性的基礎上,採用小波變換的方法對系統脈沖響應函數的提取進行了研究,並與fft方法進行比較,大量的模擬結果表明,小波方法比fft方法更加優越,獲得了更高的分析精度。
  11. After the system has been synchronized, we first use the least square method to make channel estimation, then separate the channel response information from the channel noises by dft. a weighting function based on the minimum mean square error ( mmse ) criteria can be applied to the time domain channel impulse response

    在系統同步條件下,首先使用最小平方方法來估計通道響應,然後利用離散傅利葉變換的性質把通道響應信息和通道噪聲分離,並在時域按最小均方誤差準則做加權處理。
  12. Based on the transform of coordinate and principle of superposition, a generalized integral formula dealing with moving load problem is established. an impulse response function used in the integral is obtained by means of laplace and hankel transform

    在論文中,基於線性系統的疊加原理和坐標變換,建立了求解移動荷載作用下粘彈性地基板的動力響應積分公式,把運動荷載問題轉化為獲取位移脈沖響應函數。
  13. The second part is a introduction to methods and models : vector autoregression, the cointegration of vector autoregression, and impulse response function and variance decomposition, which is on the basis of vector autoregression

    第二部分是模型方法介紹。介紹了向量自回歸模型,向量自回歸模型中的協整,以及基於向量自回歸模型基礎上的脈沖響應函數與方差分解。
  14. Based on the foundation of vector error correction model, this paper applies impulse response function and variance decomposition to portray the dynamic correlations between development of infrastructure and economic growth in chinese rural areas

    摘要本文以建立向量誤差修正模型為基礎,使用脈沖響應函數和預測方差分解來描述中國農業基礎設施發展與農村經濟增長之間的動態相關性。
  15. Based on existed theories, this dissertation systematically studied the quantitative effects of chinese monetary policy. and the main task of this article is to measure the quantitative effects of monetary policy on the investment, consumption and net export accurately by applying the newest econometric approaches, such as cointegration test, granger causality test and impulse response function

    因此,本文在國內外學者已有的研究基礎上,以我國貨幣政策實踐的特殊性為背景,從貨幣政策在實體經濟領域傳導的主要途徑(投資渠道、消費渠道、凈出口渠道)出發,就我國貨幣政策實行間接調控以來的效果進行了系統的理論與實證研究。
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