餘弦 的英文怎麼說

中文拼音 [yúxián]
餘弦 英文
cosine
  • 餘 : Ⅰ同「余」Ⅰ-Ⅳ1. Ⅱ名詞（姓氏） a surname
  1. Circadian parameters were analysed by the cosine method, and by the f test to judge the statistics significance

    用餘弦分析獲取節律參數，並經振幅檢驗，分析是否存在晝夜節律。
  2. The bar directions are conveniently specified by direction cosines.

    桿的方向通常用方向餘弦來表示。
  3. The cosine rather than the sine is customarily used in this case.

    在這種情況下，習慣上用餘弦函數而不是正弦函數。
  4. We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.

    用復數算術推導了正弦，餘弦的加法公式。
  5. The expression for g can be rewritten in terms of trigonometric sines and cosines.

    關于g的表達式可以重寫成三角函數的正弦和餘弦形式。
  6. Let's now examine the simplest wave form where the profile is a sine or cosine curve.

    現在讓我們來考察最簡單的波形，它的剖面圖是正弦或餘弦曲線。
  7. The nine elements of the matrix are products of cosines of angles between the direction of a streamline at a point and the coordinate axis.

    這矩陣的9個元素系一點的流線方向和座標軸之間夾角餘弦的乘積。
  8. Speech enhancement based on discrete cosine transform

    基於離散餘弦變換的語音增強
  9. Finite point matrix method based on cosine spline

    基於餘弦樣條函數的有限點陣法
  10. Returns the hyperbolic cosine of the specified angle

    返回指定角度的雙曲餘弦值。
  11. Value containing the cosine of the specified angle

    值，此值包含指定角度的餘弦。
  12. Our cosine correctors couple to optical fibers and spectrometers for relative and absolute spectral intensity measurements, for emissive color applications, and for evaluation of light sources such as leds and lasers

    我們的餘弦校正器可與光纖和光譜儀連接，用於相對光譜強度和絕對光譜強度測量、發射光譜測量，以及對led光源和激光光源進行評價。
  13. The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved

    4 、分析了fmzi型interleaver濾波器的工作原理，其輸出光譜曲線為類餘弦函數；採用級聯fmzi方案，實現了interleaver濾波器的光譜平頂光譜輸出；最後，基於偏振光干涉和多光束干涉原理，分析了bgti型interleaver濾波器工作原理，模擬了g - t腔部分反射系數r與輸出光譜的關系，獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。
  14. 3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum

    3 、分析了pbi型interleaver濾波器的基本原理，給出了一種pbi型interleaver濾波器結構；設計了50ghz光學梳狀濾波器，實驗得到了該器件兩組交錯分波類餘弦輸出光譜；採用不同光程差的晶體級聯方案，實現了輸出光譜平頂化。
  15. Cosine acceleration or simple harmonic motion

    餘弦加速度運動
  16. Iocs inverse discrete cosine transform

    離散餘弦逆變換
  17. Experiments are performed and results show : 1 the popular retrieval models the okapi s bm25 model and the smart s vector space model with length normalization do not perform well for document similarity search ; 2 the proposed model based on texttiling is effective and outperforms other models, including the cosine measure ; 3 the methods for the three components in the proposed model are validated to be appropriately employed

    我們通過實驗驗證了以下三點： 1 trec中的常用信息檢索模型不能很好地解決文檔相似搜索2我們提出的基於texttiling技術的模型是有效的，性能優于其他模型3我們提出的模型中所採用的方法是有效的，包括利用texttiling技術進行文本子主題分割，利用餘弦公式來計算文本塊之間的相似度，以及利用最優匹配方法來求解文檔之間的總體相似度。
  18. 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 （反離散餘弦變化） 、運動補償和圖像重組等解碼過程進行優化實現。
  19. This requires two sine-cosine resolvers.

    這就需要兩個正餘弦分解器。
  20. In order to increase the shooting times and shooting effects and on the analysis of the human soccer tape extraordinary technology, this paper introduce cosine curve into the goal line of robot

    為提高足球機器人在比賽中的射門次數，以及射門效率，在分析了人類足球中盤帶過人等技術的基礎上，引入餘弦曲線作為機器人射門路線。
分享友人
分享到 Line

分享到臉書