檢驗脈沖 的英文怎麼說

中文拼音 [jiǎnyànmàichōng]
檢驗脈沖 英文
check pulse
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : 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
  • 檢驗 : checkout; test; examine; inspect; verify; survey; check;checking;testing;[英國]jerque(指檢查船舶...
  1. But its accuracy of detecting is low in application. in this paper we try to find a method based on artificial neural network to improve the accuracy of detecting faulty insulators

    本文力圖通過大量的實室和現場數據的分析,發展一種基於人工神經網路的不良絕緣子診斷方法,提高電流法用於測不良絕緣子的準確性。
  2. We took a lot of data of corona pulses from the laboratory and field by using the detecting device. we got the corona finger prints for both the good insulators and the faulty insulators by statistic of the data

    本文利用測裝置,在實室和現場分別採集了大量電暈數據,統計分析了有、無不良絕緣子時電暈信號的譜圖特徵。
  3. 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,分析了地形目標回波特性;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回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試的結果,證了文中的模擬。
  4. 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,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。
  5. 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、 granger因果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。
  6. Standard practice for ultrasonic pulse - echo straight - beam examination by the contact method

    用接觸法做超聲回波縱波
  7. Method for assessing the overall performance characteristics of ultrasonic pulse echo testing instrument

    評定超聲回波儀綜合性能特徵的試方法
  8. Method for assessing the electrical characteristics of ultrasonic testing instrument using pulse echo technique

    採用回波技術評定超聲儀電氣特性的試方法
  9. This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    分析了目前激光測距機測程指標所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空間距離的方法,實現了測程指標自動、快速和不解體測。
  10. Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    文摘:分析了目前激光測距機測程指標所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空間距離的方法,實現了測程指標自動、快速和不解體測。
  11. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實結果表明該方法的主要優點有:不需使用乘法器進行信號調制,調制信號採用與電網電壓同步的優化特定,其測精度只與同步相位有關,而與電網電壓幅值無關;降低了對輸入低通濾波器的通頻帶要求,直流和偶次諧波分量對測精度沒有影響;突出的優點是可以消除有限個低奇次諧波對測結果的影響。
  12. Standard guide for material selection and fabrication of reference blocks for the pulsed longitudinal wave ultrasonic examination of metal and metal alloy production material

    金屬和金屬合金生產材料的縱波超聲用的標準塊的材料選擇與製造的標準指南
  13. 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回歸即可精確地重建本次實的原始熱像,同時能有效地克服復合材料層壓板熱像測中隨機噪聲和加熱不均效應對缺陷識別的干擾;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回歸公式中的二次項系數所作的數字圖像的信噪比最大。
  14. This paper presents the basic method of controlling fire sensitivity of eeds by the transient pulse test, reviews the further development of the nondestructive inspecting of fire sensitivity of eeds, and considers that there are more properties to devlop the method for predicting the property of one eed individually and its interrelated instrument

    介紹了電火工品用瞬態控制感度的基本方法,討論了電火工品發火感度無損測的發展前景,認為發展單發性能預測和相應的儀器有很大的可能性。
  15. In this paper the methods of chronically implanting microelectrodes, combined electrophysiology with behavioral learning in vivo, were used to study the effects of low frequency stimulation ( lfs ) of the dorsal norepinephrine bundle ( dneb ) on the learning - dependent long - term potentiation ( ld - ltp ) at the hippocampal mossy fiber synapses onto ca3 pyramidal neurons. paired - pulse technique at the intervals of 75 - ms, 150 - ms and 300 - ms was used as the test stimulation. the results showed as follows : 1

    本實運用慢性微電極埋植技術和電生理學結合行為學的在體研究方法,以配對測(間隔分別為75ms , 150ms , 300ms )為測手段,探查了低頻( 1hz , 5hz )刺激去甲腎上腺素背束( dorsalnorepinephrinebundle , dneb )對大鼠苔蘚纖維- ca3 ( mf - ca3 )突觸上習得性長時程增強( learning - dependentlong - termpotentiation , ld - ltp )及動物行為習得的影響。
  16. Aqueous fluid volume and [ c1 ~ j were assayed in samples withdrawn by micropipettes. intraocular pressure ( top ), pressure - dependent outflow, and anterior chamber compliance were determined from pressure measurements in response to pulsed and continuous fluid infusions into the anterior chamber using micropipettes. result : in wildtype mice ( gdi genetic background, age 4 - 6 weeks ), iop was 16. 0 ? 0. 4 mmhg, aqueous fluid volume was 7. 2 ? 0. 3 ul, aqueous fluid production was 3. 6 ? 0. 2 ul / hr, aqueous fluid outflow was 0. 36 ? 0. 06 ul / hr / mmhg, and anterior chamber compliance was 0. 036 ? 0. 006 ul / mmhg ( mean ? se, 8 - 10 eyes )

    方法包括:將熒光物質用電離子滲透的方法穿透角膜導入活體小鼠的前房中,然後應用共聚焦顯微鏡根據熒光強度變化測量房水生成率;通過顯微注射針吸取房水測房水容積和氯離子濃度;顯微玻璃管刺入前房測量眼內壓,並將生理鹽水分別以連續和兩種方式注入前房,測量房水間隙的順應性和房水排出與眼內壓的相關性。
  17. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等;第二章、針對五位置傳感器bldcm的起動問題,文中詳細給出了轉子定位起動技術;第三章、從電機的數學模型入手,詳細論述了反電動勢端電壓法和系統的控制策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管逆變器控制晶元( ir2131s ) ;第五章、詳細給出了控制系統的硬體實現細節;第六章、利用ti提供的ccs集成開發環境,將前面章節的控制方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要點以及實結果。
  18. 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。
  19. Liquid hydrocarbons - dynamic measurement - proving systems for volumetric meters - pulse interpolation techniques

    液態烴.動態測量.容積流量計系統.第3部分:內插技術
  20. It shows that there is cointegration relationship between the economic growth rate and the m1 increase rate. then by using the cointegration, granger causality method, impulse - response analysis, vector error correction model with markov regime switching to test the equilibrium relationship in long run and the short fluctuation pattern in short run between the real output and m1 increase rate, it shows that monetary supply can affect the macroeconomic effectively, and the interest rate and stock market value can not affect the macroeconomic effectively

    本文研究了經濟增長與貨幣供給量、利率、股票市場等貨幣中介指標的關系,得出經濟增長率與m1增長率具有協整關系的結論,在此基礎上使用協整分析、 granger因果關系響應分析、具有markov區制轉移的向量誤差修正模型等最新的經濟計量方法,描述和了中國經濟周期波動過程中實際產出與貨幣供應量變動的長期均衡關系和短期波動模式。
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