正脈沖計數 的英文怎麼說

中文拼音 [zhēngmàichōngjìshǔ]
正脈沖計數 英文
positive counting
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 脈 : 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
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 計數 : count; tally; counting計數卡 numbered card
  1. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  2. 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。
  3. The software includes a monitor program, an initialization module, a watchdog module, a data fusion module, a can transmission module, a quadrature encoder pulse count module and an a / d interrupt service program

    該系統軟體包括監控程序、初始化模塊、看門狗模塊、數據融合模塊、 can通信模塊、數字量採集模塊、正交編碼脈沖計數模塊和a d中斷服務程序。
  4. On the basis of a lot of experimental data based on the orthogonal test of pulse peak electric current, pulse width and pulse intermission, experimental mathematical models of electric spark forming of several sorts of materials are built up with multiple linear regression analysis

    摘要用正交試驗法對電火花加工中的峰值電流、脈沖寬度、脈沖間隔進行設計，在大量實驗數據的基礎上，採用最小二乘法建立實用的多種材料的電火花加工實驗數學模型。
  5. Then by the method of computer simulation, the following jamming patterns are made quantitative analysis, radio - frequency noise jamming, continuous single tune jamming, continuous noise amplitude - modulated jamming, relayed frequency shift jamming, and the key factor which affect the quality of these jamming patterns

    然後在此基礎上，通過計算機模擬分析，定量地討論了射頻噪聲干擾、連續正弦波干擾、轉發移頻脈沖干擾以及影響它們干擾品質的因素，並以壓制系數為衡量標準，進行了干擾效能分析。
  6. 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脈沖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脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  7. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形（ ccos ）的加工方式、誤差收斂特點，研製了去除函數呈高斯分佈的雙轉子結構研拋模；採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法，求解過程中根據工件面形的特點作了各種形式的簡化；提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型，並推導出相應的計算公式；分析了邊緣效應產生的原因，在加工過程中採用相對壓力因子對去除函數進行修正，可以消除邊緣效應的影響。
  8. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  9. In its digital processing circuit, clock chip with high precision and temperature compensation is uesd as reference clock. high frequency reversible counter is used to count trimmed impulse signal forward or backward and two pathes saw signals are selected timely by multichannel selector

    數字信號處理電路採用高精度、具有溫度補償的時鐘晶元作為基準時鐘，採用高頻可逆計數器對整形后的脈沖信號進行正向或逆向計數，採用高性能的多路選擇器控制兩路saw信號的定時選擇。
  10. 3 sine and square waveforms above 25 mhz only with infinite burst count

    3 25mhz以上的正弦波和方波只能有無限的脈沖列計數
  11. The three - phase spwm pulses are generated through sine wave compared with triangular wave. during design, we make use of a changed structure of nco ( numerically controlled oscillator ) to

    數字化設計是本系統的特點，系統最終生成的三相spwm脈沖是基於三相正弦調制波和三角載波比較得到的。
  12. Electronic method ? using a multichannel peak height analyzer determine the center channel of the particle counter pulse response for each standard suspension

    電子校正?使用多通道峰高分析儀，測量出每種標準粒子的粒子計數器脈沖響應的中心通道。
  13. At last, an orthogonal test designing method is proposed to study the influences of various fcg and power conditioning circuit parameters on the system performance, to find out those most influential factors and to make them optimized

    最後文中提出應用了正交試驗設計方法對影響fcg和脈沖功率調制電路性能的參數進行研究，以此來確定影響系統運行的主要因素和優化參數的努力方向。
  14. 7 sine and square waveforms above 6 mhz are allowed only with an infinite burst count

    7僅允許6mhz以上的正弦波和方波有"無限"脈沖串計數
  15. Simulation calculations with 8 classes of impulse control force were performed and the feasibility of open loop correction proved

    通過對8級脈沖發動機參數進行的模擬計算，驗證了此修正方法的可行性。
  16. When coaxial - line probe is used to measure the permittivity of biological tissues, the pulse is used as an excitation in order to get more information in frequency domain. so frequency - dependent finite difference time - domain method is used to calculate the forward problem. it need not change the pulse into frequency - domain, and can calculate the problem in time - domain, which saves the memory space and makes calculation fast genetic algorithm ( ga ) is used to solve the inverse problem

    在同軸線用於獲取生物組織的介電常數的研究中，為了獲得更多的頻域信息，採用脈沖作為激勵，故數值計算的方法採用基於頻域的時域有限差分法，該方法不用將脈沖變為頻域問題，可在時域中直接求解，因此極大節約了計算空間，在短時間內可計算完正問題。
  17. Abstract : on the basis of setting up the angle motion mathematic model of the terminal correct projectile forced by impulse corrective force, this paper discusses the dynamic response of the terminal correct projectile and response spectrum. the general conclusion that profit to design impulse correct projectile stabilized by taifl wing is given

    文摘:建立了末段脈沖修正彈在脈沖修正力作用下的角運動數學模型，分析了末段修正彈對脈沖修正力的動態響應特性和響應譜，給出了對尾翼穩定脈沖修正彈設計有普遍指導意義的結果。
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