脈沖回應 的英文怎麼說

中文拼音 [màichōnghuíyīng]
脈沖回應 英文
impulsantwort impulse response
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 回構詞成分。
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法,是利用不接地線或接地線源向地下發送一次磁場,在一次磁場的間歇期間,採用不接地線圈接收感二次磁場。
  2. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單雷達體制,分析了地形目標波特性;建立了地形跟隨雷達空地測距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生波在時域中的特性;根據和差波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。
  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,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擊比較明顯,且可知擊程度和時滯度,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,研究了有限合和無限合合作談判博弈,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,給出了一個相的投資組合模型。
  4. Ultrasonic bio - instrumentation has several display modes used in medicinal field now, such as b - mode and m - mode, etc. b - mode uses the modulated brightness to represent the amplitudes of ultrasonic echoes, and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one

    B型顯示是用亮度調制來顯示幅度,顯示的橫軸和縱軸與聲束掃描的位置一一對,形成超聲切面圖像。
  5. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的多普勒氣象雷達信號處理系統,重點研究了中頻采樣及數字解調技術在多普勒氣象雷達信號處理系統中的用、正交雙通道幅相不平衡對氣象波譜估計的影響、地雜波濾波演算法,以及多普勒氣象雷達信號處理系統的具體工程實現。
  6. The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the pt testing of composite laminates ; the digital images from data reconstruction have clearer defect display or higher defect resolution than the raw thermal images, and the quadratic coefficient image of cubic logarithm regression shows the highest snr

    結果表明利用三次對數多項式歸即可精確地重建本次實驗的原始熱像,同時能有效地克服復合材料層壓板熱像檢測中隨機噪聲和加熱不均效對缺陷識別的干擾;經過數據重建后所作的數字圖像比原始熱像有更高的缺陷顯示度或分辨力,其中以三次對數多項式歸公式中的二次項系數所作的數字圖像的信噪比最大。
  7. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、用於公路無損檢測的一項新技術,它利用超寬帶電磁波對路面結構層進行探測,當雷達發射天線發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射,反射來的波經由接收天線接收並轉化為數字信號儲存起來,通過分析探地雷達波信號來估計路面結構層的性質、狀態和位置等特徵。
  8. The echolocating calls in the state of fly were compared with those in the state of hang in two kinds of bats, r. yunanensis and h. pratti, and the doppler compensation effect was described. the analyzing result indicated that the frequency in hang was higher that that in fly, the duration and interpulse duration in hang were longer than those in fly, and the fm bandwidth in hang was narrower than that in fly

    比較了雲南菊頭蝠和普氏蹄蝠飛行狀態和懸掛狀態下的聲定位聲波,描述這2種蝙蝠的多普勒補償效,懸掛狀態聲波頻率顯著高於飛行狀態,聲時間和間隔時間顯著長于飛行狀態, fm帶寬窄于飛行狀態。
  9. 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,再經反富氏轉換時域之自相關及互相關函數、相通函數、訊噪比、頻率響函數、函數。
  10. Hysteresis in aluminum oxides films growth with pulsed reactive sputtering

    鋁靶濺射沉積氧化鋁薄膜中的遲滯線的研究
  11. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反器進行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反器流動特性的串級全混流模型,並對理論模型進行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用示蹤法對一到五級串聯外循環流化床反器進行了停留時間分佈實驗,結果表明,在循環流量與流加流量的比值達到大於等於4時,中試規模多級外循環流化床反器的流動特性接近串級全混流模型,通過數據歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反器的流動模型。
  12. The main original work includes : 1. the interaction between an integral pile and a uniform visco - elastic soil layer with viscous damping or hysteretic damping is theoretically studied, and the pile response to a harmonic load is obtained in a closed form and used to define complex stiffness at the pile head. semi - analytical solution of the velocity response in time domain subjected to a semi - sine wave exciting force is also given

    主要工作包括: 1 、在考慮樁周土三維波動條件下,對滯阻尼、粘性阻尼單層均質土中樁土縱向耦合振動問題進行了解析研究,分別得到樁頂位移、速度頻域響以及復剛度的嚴格解析表達,以及半正弦激振力作用下樁頂時域響半解析解。
  13. Wavelet transformation technology is applied to the small - current sensor, and the constructed pulse - respone function of the surface - acoustic - wave transducer is comsidered as a wavelet function, thus the surface - acoustic - wave type of element for wavelet - transformation and reconstruction is manufactured to filter the jamming signal of the small - current sensor effectively

    把小波變換技術用到小電流感測器中,構造的聲表面波換能器脈沖回應函數等於小波函數,從而製造出了聲表面波式小波變換及重構器件,該器件可有效濾除小電流感測器的干擾信號。
  14. Psr is a radio detection equipment that provides information on range and bearing of aircraft in the form of a target blip on the radar screen to air traffic controllers by transmitting radar pulses and detecting the reflected signals from the aircraft. no active transponder or avionics on board aircraft has to be relied on

    監察雷達發出雷達,偵測從飛機反射來的信號,便可計算飛機的距離及方位,並以目標點在雷達屏向航空交通管制員顯示,而不須依靠航機上的答機或其他航空器材。
  15. Most present acoustic level gauges use a sound generator which can produce high - power acoustic waves and a microphone which can detect the echo signal. the fluid level can be worked out based on the artificial analysis of the echo curve

    目前正在用的井下液位測量儀器,主要是通過爆炸聲源產生大功率聲信號,利用微音器接收波信號,人為地對波信號曲線進行分析來估算液位。
  16. 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。介紹了向量自歸模型,向量自歸模型中的協整,以及基於向量自歸模型基礎上的函數與方差分解。
  17. Effect of velocity pulse in near field ground motions and certification of regression equations to simple impact

    近場地震的速度及簡化歸公式的檢驗
  18. Patrick ( 1966 ) on the relationship between financial development and economic growth perspective into two categories with supply - and demand ; merton ( 1995 ) and ross ( 1997 ), pagano ( 1993 ), king and levine ( 1993 ) and others from different perspective studied on the role of economic growth in the financial channels. tow views exists : the financial architecture and financial constraints

    本文從實證分析的角度對中國金融與經濟增長的關系作以研究,以期對上述問題作出初步的答。本文通過構造合適的金融發展與經濟增長變量,建立var模型,在此基礎上對金融與經濟增長關系進行協整分析、和方差分解分析,從定量角度分析其相互影響。
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