補弦 的英文怎麼說

中文拼音 [xián]
補弦 英文
supplemental chords
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  1. The hard process is included in a natural way, which offers the opportunity to calculate the parton spectra and parton density which aie closely related to the forinatioi1 of quark gluon plasma. the strict calculation is performed on the parton level, however, hadrons are finally observable particles

    而pomeron與remnant之間的關聯,以及pomeron之間的關聯,則通過償夸克(或感應夸克)來實現? ?每當一個海夸克或一個反夸克從真空中激發出來作為pomeron的色端點時,它的反粒子也從真空中激發出來,進入到相鄰的remnant中。
  2. In chapter two, using the instruction of simd and memory in pentium to optimize idct, motion compensation and recompose frame and improving executive speed of idct to utilize vlcd and iq

    在第二章中,使用intel處理器中的simd指令和內存優化技術對idct (反離散餘變化) 、運動償和圖像重組等解碼過程進行優化實現。
  3. The emphases of the researches are focused on the dct transform in the video signals processing, the theories of huffman encode and motion compensation algorithms

    主要研究了離散餘變換對視頻圖像的處理,霍夫曼編碼原則和運動償的原理。
  4. Examples : the woodwind section complements the strings in this piece of music

    木管樂器的樂章彌了這首曲子中樂部分的不足。
  5. The data analysis has to compensate for the doppler shift to make any signal as sinusoidal as possible, which helps pull it out of the noise ( with something based on a fourier transform )

    數據分析中比較對多普勒偏移進行償以使信號盡可能地接近正曲線,以方便從噪音中提取真正的信號(通過傅立葉變換) 。
  6. 2. the updating algorithm of strapdown matrix is one of the crucial techniques of sins. there are several kinds of attitude updating algorithms of sins, such as direction cosine algorithm and quaternion algorithm

    捷聯矩陣更新演算法是捷聯系統的關鍵技術之一,捷聯慣導系統姿態演算法有歐拉角法、方向餘法、四元數法和圓錐償演算法等幾種方法。
  7. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加長的三次參數樣條插控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  8. This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved

    該放大系統用數字化逆變器來實現電力系統正電壓信號功率的放大,利用dsp數字處理器高速的處理能力,可以使系統實現高性能的演算法控制,並且能靈活地對系統的誤差進行償,從而實現逆變系統的高性能和高精度,為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。
  9. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修spwm正表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。
  10. It builds a relative coordinates based on the jumping - off point of circular interpolation as its origin, caculates the sine and cosine of the angle formed by x axis and the line which connects the origin and the centre of the circle, then gets the coordinates of the centre in the relative coordinates, and enduces a uniform fomula, which is easy to program in computer

    摘要用圓弧插起點作為相對坐標系原點,連接圓弧起點和圓心,求出該連接線和相對坐標x軸的夾角的正餘值,由此解出圓心在相對坐標系的坐標,並得到一個統一的計算公式,易於計算機編程實現。
  11. Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components

    當前國際上的壓縮標準普遍採用幀間運動償加幀內二維離散餘變換的編碼方法,並且將彩色視頻序列表示為ycbcr格式,試圖利用人眼的視覺特性降低對色差信號的解析度來節省比特開銷。
  12. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明,對單位容量的諧波源,採用與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統,能夠有效地減少有源濾波器的容量,有效地檢測出高次諧波分量,並進行諧波償,使系統的電流波形基本保持正
  13. The experiment result shows that conversion efficiency in ccm is improved by 2 percent compared with that in dcm, although the on - resistance of winding in ccm is more than that in dcm. the analysis of open - loop transfer function in both dcm and ccm shows that pull - push hfl inverter at ccm

    微分償網路的推挽高頻鏈逆變電路在輸出從空載變化到額定阻性負載變化的過程中,逆變電路工作模式從dcm變化到ccm模式,實驗結果表明電路在這兩種模式下都能輸出穩定的正電壓,且具有較高的穩態精度。
  14. A permanent magnet synchronous motor is selected so that the system could work excellently. multiform measures are taken to weakening the torque ripple, such as adopting stator - flume, choosing right ratio of magnet - width and slot - width, and programming properly. a permanent magnet synchronous motor cad software is worked out for predigesting the design of the motor

    力矩脈動是衡量交流伺服系統性能優劣的重要指標,為達到理想的控制效果,系統採用正波驅動的稀土永磁同步電動機作為執行元件,電機本體的設計綜合採用定子斜槽、將轉子永磁體連續移位、合理選擇永磁體寬度和齒槽寬度比等方法,基本消除了齒槽轉矩;對于紋波轉矩,系統採用軟體的方式加以削弱和償。
  15. Here, three methods are presented : shortening compensation, extending compensation and insertion compensation. this thesis also puts forward an improved dda arc interpolation algorithm, which decreases the radial deviation of the traditional algorithm without losing the original advantages

    改進的dda圓弧插演算法繼承了傳統dda圓弧插演算法不含超越函數的優點,減少了傳統dda圓弧插演算法的徑向誤差,實現了內外均差線插
  16. The sine is used in the simulation. being aimed at the compensation methods of both the adaptive control basing on the friction model and the repeat control regulator, some experiments are carred out to verify the effectiveness and feasibility of the compensation. the signals which are introduced into the system are ramp and sine for testing the minimum stable speed and error

    針對第三章中提到的基於摩擦模型的自適應低速償方法,以及第四章提出的不基於模型的重復迭代學習控制的低速償方法,在系統中分別引入了斜坡信號和正信號進行了實驗測試,並與pid控制結果進行了比較。
  17. This thesis is part of the project of national science foundation of china “ study on color video coding based on four - dimensional matrix ”. a multi - matrix theory model has been established in the project. and the color video is presented into a four dimensional matrix model and the four - dimensional discrete cosine transform ( 4d - mdct ) is applied to reduce the correlation between color components and adjacent pixels

    將多個彩色視頻幀構建在一個四維矩陣模型中進行運動償預測、四維矩陣離散餘變換和矩陣量化,最後利用基於上下文的變長編碼方法進行壓縮,以全面去除彩色視頻各象素之間、各彩色分量之間以及連續幀之間的相關性,從而實現高信噪比條件下的高倍壓縮。
  18. By adding an extra compensation component into control signal, the effect of backlash nonlinear characteristic on the system sine response is decreased. applying on the actual digital ac servo system, the sine response shows that the inverse error is decreased

    通過增加額外償控制量減小了間隙非線性對系統正響應的影響,並通過實際系統調試驗證了該償控制量能有效減小系統正響應的換向誤差。
  19. Must compensate for the cosine effect

    必須償餘定律產生的錯誤。
  20. The internal waveform generator of 8xc196mc can generate three - pair and two - way independent spwm waveforms to control six igbts " on - off with the intention of feeding - in sine waveform current to the rotor of generator

    結合8xc196mc單片機本身的功能,輸出6路三相互的spwm波形經驅動隔離去控制主電路中6個igbt的通斷,達到向轉子饋入正勵磁電流的目的。
分享友人