非理想進位 的英文怎麼說

中文拼音 [fēixiǎngjìnwèi]
非理想進位 英文
undesired carry
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 動詞1 (思索) think; ponder 2 (推測; 認為) suppose; reckon; consider; think 3 (希望; 打算) w...
  • : 進構詞成分。
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 理想 : ideal
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水的水沙因素,及僅用水沙因素有效研究水的可行性,並按變量對應思採集它們的相應數據;其次,由於相應水過程數據中含極強的線性關系,本論文經細致的論分析,將基本的線性分析方法、統計建模方法、隨機分析論、最小均方誤差原則等等數學論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水過程的擬合,實現了這一典型線性關系的高精度擬合,各年汛期上下游相應洪水過程的擬合誤差都較小;最後,明確黃河下游含沙量對水的主要影響方式,即含沙量主要是與其它因素聯合對水作用;另外分析了要實現變動河床洪水過程準確預報的困難所在及改方向。
  2. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的特性行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相交疊時鐘等,並利用hspice和spectre模擬工具對這些電路行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器行行為級模擬。
  3. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,論分析和模擬研究結果表明,由於復脈沖的特性,單周控制的全橋開關功率放大器輸出端存在直流偏置問題,其大小與復脈沖的寬度成正比。針對輸出直流偏置問題,提出了電壓補償的改方案,給出了補償電壓的具體計算公式。對補償前和補償后的方案行了對比模擬研究和實驗研究。
  4. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種電路因素(如相不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統行測試,結果基本上達到了課題要求。
  5. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應式步電機為實例,對細分驅動原、細分驅動的線性、變細分調速以及相關影響因素行系統的研究;實現細分驅動器、調速控制、定控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思和錯測量和逼近修正法。
  6. The paper selects lu bi - cheng, who was a famous feminist at that time but has been ignored for a long time, and analyses particularly her feminism ideas and practice from the viewpoint of history, education, literature, etc. " equality of men and women " as the starting point, the theory of women ' s education as the key content, she put forward a lot of systematic and profound position, which not only deal with correctly the relation between " saving the nation " and " equality of men and women ", but also have profound and moderate characters

    本文選取了這場運動中一常重要、然而長期以來一直為人們所忽視的女權主義者呂碧城,綜合運用歷史學、教育學和文學等學科知識,具體分析了她的女權思及實踐。她以「男女平權」為歷史起點,以女子教育論為核心內容,提出了許多系統而深刻的女權思。這些思不但正確處了「救亡圖存」與「男女平權」二者之間的關系,而且具有深刻平和的特色,以其在思層面上的步性與實踐層面上的可行性在中國女權思發展史上居於不容忽視的地
  7. The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large

    本文主要包括以下內容:從論上研究並結合實測資料發展了一種比較的半經驗溫度場線性分佈公式,並將有限元方法應用於剛架拱橋結構溫度應力的計算中,對橋梁結構行整體溫度應力分析;討論了年溫差和日照溫差引起的橋梁結構的溫度效應,表明年溫差引起的溫度效應較小,而日照溫差引起的溫度應力較大且沿梁高呈線性分佈;分析比較了橋梁結構各個部的溫度效應的大小,可知截面越小溫度拉應力越大,受力越不利;並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小行了探討,發現在頂板下緣也會出現相當大的溫度拉應力,並且梗腋的存在反而增加了頂板底部的溫度拉應力;還對幾種相近的剛構式橋型的溫度效應行了分析對比,總結了這些橋型針對溫度效應的優劣,並提出相應的針對性措施。
  8. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )行了論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的論模型;對圓柱形結構情況行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、置和氧化物折射率的詳細變化規律;為使論計算更接近實際,將外加金屬包殼視為導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果行了討論。
  9. This dissertation presented a simulation method for producing ideal echoed data based on the analysis of the point ideal echoed signal model, the 2 - d format of the echoed data and the feasibility of creating simulation geography map using bmp images for distributed targets. simulation results proved that this method is efficient and reliable for the study of imaging algorithms and validation of the system parameter settings

    論文討論了系統點目標回波信號的論模型,分析了回波信號的二維數據格式,描述了利用圖圖像生成分散式目標模擬地形圖的方法,在此基礎上給出了一種情況下回波模擬數據的產生方法,用它來行成像演算法研究及檢驗系統參數設置的合常有效可靠。
  10. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的,但是,通常三波相互作用過程的研究均是建立在平面波和高斯光束之上,因此我們對于相畸變倍頻過程的研究是線性光學領域一個重要而有意義的新課題,它有助於人們更加深入線性光學效應,為一步合利用之奠定了論和實驗的基礎。
  11. For the non - minimum phase characteristic of hydraulic turbine power set, this paper proposes and analyses the tracking - differentiator ( td ) with invariable tracking time based on the idea of arranging the transient process

    針對水輪發電機組的最小相特性,基於設置過渡過程的思,在傳統的pid控制器的基礎上應用改的td設置合的過渡過程,有效的減小了最小相中的反調。
  12. Firstly, the paper discusses well logging technology and the development of the domestic and foreign pressure meters, then proposes the sytem scheme design of sjdy - i electronic pressure meter and briefly analyzes its operating principle. secondly, the paper explains in detail the software and hardware design method, presents the design thought and flow charts of every function modules. thirdly, the paper analyzes the pc program, introduces software which adopts the filter and nonlinear regression methods for improve the system precision

    本文首先在介紹了試井技術和目前國內外壓力計的發展狀況的基礎上,行了sjdy -型存儲式深井電子壓力計系統總體方案設計,並對該系統的工作原行了簡要的分析;然後,闡述了sjdy -型存儲式深井電子壓力計井下儀器部分的軟硬體設計思和設計目標,詳細介紹了整個系統的硬體組成部分,並給出了單片機系統(即井下儀器部分)軟體的設計思和各個功能模塊的流程;接著,重點分析了sjdy -型存儲式深井電子壓力計的上機程序以及各個模塊的具體功能,並設計了相應的軟體予以實現;最後採用濾波技術和線性校正方法,來提高整個系統精度。
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