?cosine

cosine發(fā)音

英：['k??sa?n]　　美：['ko?sa?n]

英：　　美：

cosine中文意思翻譯

余弦

cosine詞形變化

動(dòng)詞第三人稱單數(shù): cosigns | 動(dòng)詞過去分詞: cosigned | 動(dòng)詞現(xiàn)在分詞: cosigning | 名詞: cosigner | 動(dòng)詞過去式: cosigned |

cosine常見例句

1 、In this paper, we use a class of cosine modulated filterbank (CMFB) with approximately reconstruction property for subband adaptive filtering.───在此篇論文中，我們使用近似無(wú)頻疊失真特性的馀弦調(diào)變?yōu)V波器組來(lái)達(dá)成次頻帶適應(yīng)性濾波。

2 、I still don't know iodine from cosine.─── 我還是分不清余弦和碘[發(fā)音相近]

3 、A novel video coding algorithm based on adaptive blocking regional wavelet transform and dis-crete cosine transform is described in this paper.───為了降低低碼率視頻編碼算法的塊效應(yīng)與環(huán)效應(yīng)，提出了一種基于自適應(yīng)分區(qū)余弦變換/子波變換和重疊運(yùn)動(dòng)補(bǔ)償?shù)囊曨l編碼算法。

4 、To improve document clustering, a document similarity measure based on cosine vector and keywords frequency in documents is proposed, but also with an input ontology.───為了改進(jìn)文本聚類的效果，提出了將領(lǐng)域知識(shí)本體和文本關(guān)鍵詞詞頻相結(jié)合的基于余弦向量的文本相似性測(cè)度方法。

5 、The delivering of picture information will code with the long-lost cosine(DCT).───在圖像信息的傳遞中,將用到離散余弦(DCT)編碼。

6 、What is the function of a cosine phase shifter?───與弦移相器有什么用處?

7 、Theblock-based discrete cosine transform (DCT) is a fundamental component of manyinternational image and video compression standards.───基于離散余弦變換(DCT)的壓縮技術(shù)是目前大多數(shù)國(guó)際圖像視頻壓縮編碼標(biāo)準(zhǔn)中采用的一種壓縮技術(shù)。

8 、Since each pixel is positioned exactly where each cosine wave has a peak where the cosine value is "one," multiplying by one is unnecessary.───因?yàn)楦鱾€(gè)映像點(diǎn)確切地被安置各個(gè)余弦波浪有余弦價(jià) 值是" 一個(gè)的一個(gè)峰頂?shù)牡胤? "乘以一個(gè)是多余的。

9 、This example uses the Cos function to return the cosine of an angle.───以下示例使用Cos函數(shù)返回角度的余弦。

10 、The cos() function returns the cosine of a number.───函數(shù)的作用是：返回一個(gè)數(shù)值的余弦值。

11 、The quality of Anshen bunao syrup was evaluated by the correlation,cosine of the angle and extent similarity of ten batches,combined with the numerical similarity.───對(duì)10批安神補(bǔ)腦液成品計(jì)算其相關(guān)系數(shù)、夾角余弦和程度相似度,并結(jié)合數(shù)量相似度,綜合評(píng)定其質(zhì)量。

12 、The Fourier series of an odd function contains no cosine terms.───奇函數(shù)的傅里葉三角級(jí)數(shù)只有正弦項(xiàng);

13 、The Discrete Cosine Transform(DCT) is one of the most widely used digital compression techniques for multimedia.───DCT(Discrete Cosine Transform離散余弦變換 )是目前應(yīng)用最為廣泛的多媒體數(shù)據(jù)壓縮技術(shù)之一 .

14 、Discrete cosine transformation (DCT) is the most frequent operation in coding and decoding standards as H.261, H.263, MPEG_1 and MPEG_2 and so on.───H. 263、MPEG_1以及MPEG_2等視頻編**標(biāo)準(zhǔn)中 ,運(yùn)行頻率最高的運(yùn)算是離散余弦變換(DCT)。

15 、A Sort of Raise Cosine Filter Design───一種升余弦成形濾波器的設(shè)計(jì)

16 、The important influence factors to TCMF are due to the difference of the main contents of TCM, the Cosin method is better for similarity evaluation than Correlation method.───中藥指紋圖譜相似度的影響因素由樣品所含的主要化學(xué)成分所引起,相關(guān)系數(shù)法比夾角余弦法對(duì)指紋圖譜中小色譜峰變化的反應(yīng)明顯。

17 、In part 2, the cosine series windows with good detectability are introduced.───在第二部份，將整理介紹擁有好的偵測(cè)能力的馀弦系列窗。

18 、The acosh() function returns the inverse hyperbolic cosine of a number.───函數(shù)的作用是：返回一個(gè)數(shù)值對(duì)應(yīng)的反雙曲余弦。

19 、With the use of the properties of the second Chebyshev polynomial,a group of interesting identity of sine and cosine function is obtained.───利用第二類契貝謝夫多項(xiàng)式的性質(zhì)得到了關(guān)于正余弦函數(shù)的一組有趣的恒等式。

20 、A subroutine that returns the value of a single variable, and that usually has a single exit, for example, subroutines that compute mathematical functions, such as sine, cosine, logarithm, or that compute the maximum of a set of numbers.───一種子例行程序，它返回一個(gè)單獨(dú)變量值，通常只有一個(gè)出口。例如計(jì)算數(shù)學(xué)函數(shù)的子例程，像正弦、余弦、對(duì)數(shù)等，又如求一組數(shù)的最大值的子例程。

21 、Must compensate for the cosine effect.───必須補(bǔ)償余弦定律產(chǎn)生的錯(cuò)誤。

22 、As is well known, the EM field of TE11 mode at the wall of the circular waveguide changes as sine (or cosine) function azimuthally.───圓波導(dǎo)中TE11模式波的電場(chǎng)在波導(dǎo)壁上隨角度按正弦(或余弦)變化.

23 、The product of the effective values of the voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.───伏特量交流電路中電壓與電流的有效值以及電流與電壓之間相位角的余弦之乘積

24 、Discrete cosine transform (DCT) is introduced to solve discrete Poisson equation which has Neumann boundary condition.Phase unwrapping results are obtained under least-squares method meaning.───引入離散余弦變換求解具有諾埃曼邊界條件的離散泊松方程,得到最小二乘意義下的展開相位解。

25 、Comparing to the DCT(discrete cosine transform), the realizing of DWT(discrete wavelet transform) is more complex, so solving the fast calculating of DWT is vej-y significative to use widely DWT.───小波變換與離散余弦變換相比,運(yùn)算復(fù)雜度高,如何解決小波變換的快速實(shí)現(xiàn)對(duì)小波變換的廣泛應(yīng)用具有重要的意義。

26 、The pressure hydrophone array manifold can be divided into two subarray manifolds, which constitute a rotation pair, and the rotational invariant factors comprise the source's direction cosine.───其中聲壓水聽器陣可以被劃分為2個(gè)子陣，它們構(gòu)成旋轉(zhuǎn)對(duì)，旋轉(zhuǎn)因子為包含某一軸方向余弦信息的相位延遲因子。

27 、Modulation Instability of Fiber Bragg Gratings with Raised Cosine Apodization[J].───引用該論文 賈維國(guó),史培明,楊性愉,張俊萍,樊國(guó)梁.

28 、And so the square of sine plus cosine equals one.─── 所以sin2 + cos = 1

29 、IMDCT Inverse Modified Discrete Cosine Transform───反向改進(jìn)離散余弦變換

30 、By the analysing method of direction cosine matrix ,we set up motion analysing model of spherical gear and fluted disc of this gear, thus provide the theoretical basis for control system design of actuating mechanism.───利用方向余弦矩陣分析法建立了球齒輪機(jī)構(gòu)和球齒輪齒盤機(jī)構(gòu)的運(yùn)動(dòng)分析模型，為執(zhí)行機(jī)構(gòu)的控制系統(tǒng)設(shè)計(jì)提供了理論依據(jù)。

31 、MPEG2 also uses the discrete cosine transform, which takes images and finds their frequency and then compresses any repetitive frequencies.───MPEGZ也使用離散的余弦轉(zhuǎn)換，這種轉(zhuǎn)換可獲取圖像，發(fā)現(xiàn)它們的頻率，然后壓縮任何的重復(fù)頻率。

32 、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.───我們的余弦校正器可與光纖和光譜儀連接，用于相對(duì)光譜強(qiáng)度和絕對(duì)光譜強(qiáng)度測(cè)量、發(fā)射光譜測(cè)量，以及對(duì)LED光源和激光光源進(jìn)行評(píng)價(jià)。

33 、Meanwhile, many video compression standards such as MPEG-1 and MPEG-2 employ DCT(Discrete Cosine Transform) and IDCT(Inverse Discrete Cosine Transform) in coding and decoding.───同時(shí)，許多視頻壓縮標(biāo)準(zhǔn)如MPEG-1和MPEG-2等均采用離散余弦變換(DCT: Discrete Cosine Transform)及離散余弦反變換(IDCT: Inverse Discrete Cosine Transform)進(jìn)行編**。

34 、In this paper,a Modified Discrete Cosine Transformation algorithm is provided,based on the analysis of the principle of AAC encoder in accord with the DRM standard,and this algorithm is implemented based on PC.───在分析符合DRM標(biāo)準(zhǔn)的AAC音頻編碼器原理基礎(chǔ)上,提出了一種改進(jìn)的離散余弦變換算法,并在PC上實(shí)現(xiàn)了基于該算法的AAC音頻編碼器。

35 、For sinusoidal waveforms, it is equal to the cosine of the angle of phase difference between voltage and current.───對(duì)于正弦波來(lái)說(shuō)，功率因子等于電壓、電流位相差的余弦。

36 、Sine 2 theta equals 2 sine theta cosine theta.─── sin2θ=2sinθcosθ

37 、Quality Weight Based Discrete Cosine Transform Phase Unwrapping Algorithm in Optical Interferogram Processing[J].───引用該論文 朱勇建,欒竹,孫建鋒,陽(yáng)慶國(guó),劉立人.

38 、The Cosine Law of General Closed Planar Broken Line───一般平面封閉折線的余弦定律

39 、Classical image source code, images of the orthogonal transformation, Fourier, discrete cosine transform, such as complete source code can be used directly.───(譯)：古典形象的源代碼，圖像的正交變換，傅立葉，離散余弦變換，如完整的源代碼可以直接使用。

40 、At zero input reactance of ultrasonic horn,the resonance frequency equation is evaluated,and the magnification coefficient of loaded cosine longitudinal ultras-onic horn calculated.───當(dāng)變幅桿的輸入抗分量為零時(shí),計(jì)算了余弦形負(fù)載變幅桿的縱向振動(dòng)共振頻率方程和放大系數(shù)。

41 、The conventional radar signal processing is used to the chirp coherent CO2 ladar in this paper. The match filter with cosine weight is presented for the signal process.───為了解決線性調(diào)頻CO2相干激光雷達(dá)的信號(hào)處理技術(shù)，將普通雷達(dá)的信號(hào)處理方法引入相干激光雷達(dá)的信號(hào)處理中，提出采用余弦加僅匹配濾波的處理方法。

42 、For the first one, the discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems.───一種是利用ZAK變換及優(yōu)化的升余弦滾降濾波器設(shè)計(jì)的OFDM/OQAM系統(tǒng)時(shí)頻局域優(yōu)化脈沖成形濾波器。

43 、Solving and Measuring Parameters by Cosine Law───利用余弦定理求解測(cè)設(shè)參數(shù)

44 、What about sine and cosine function?───了解正弦和馀弦函數(shù)？

45 、Is a mathematical function that returns the trigonometric cosine of the specified angle, in radians, in the specified expression.───一個(gè)數(shù)學(xué)函數(shù),返回指定表達(dá)式中以弧度表示的指定角的三角余弦。

46 、The voltage induced in series with the loop is proportional to the area and the cosine of its angle to the field.───回路感生電壓的大小與回路面積以及回路與磁場(chǎng)方向夾角的余弦成正比。

47 、Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit.───功率因數(shù)功率因數(shù)是電路中有功功率(W)視在功率(VA)間夾角的余弦值。

48 、The principle of V.29 modem is researched carefully, and the algorithms of the scrambler, the 16QAM codec, the raise cosine roll-off filter, the descrambler and other modules are realized in C language.───對(duì)V.29建議規(guī)定的調(diào)制解調(diào)方式進(jìn)行了細(xì)致的研究，并用C語(yǔ)言實(shí)現(xiàn)了擾碼器、16QAM星座編**、平方根升余弦滾降濾波器、解擾器等模塊的算法。

49 、On some identities of sine and cosine functions───關(guān)于正弦函數(shù)和余弦函數(shù)的一些恒等式

50 、The arccosine is the angle whose cosine is number.───反余弦值是指余弦值為number的角度。

51 、The cosine rather than the sine is customarily used in this case.───在這種情況下，習(xí)慣上用余弦函數(shù)而不是正弦函數(shù)。

52 、HPLC curves was treated as vector of hyperspace, the similarity between them was calculated by using the cosine value of the angle between them.───將HPLC指紋圖譜看作多維空間內(nèi)的向量,利用向量夾角余弦的基本公式計(jì)算兩個(gè)指紋圖譜間的相似度。

53 、In practice, the Cosine measure is considered as the best model for document similarity search because of its good ability to measure similarity between two documents.───余弦模型由于能夠很好地度量文檔之間的相似性,被認(rèn)為是解決相似搜索問題的比較好的模型。

54 、Coefficients for sine on this monitor cosine on that one.─── 根據(jù)這個(gè)熒幕的正弦系數(shù) 搭配另一個(gè)熒幕的余弦

55 、Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.───在光線空間的數(shù)據(jù)壓縮中，計(jì)算了數(shù)據(jù)的相關(guān)系數(shù)，采用二維離散余弦變換(DCT)進(jìn)行了變換域分析。

56 、On a group of identity of sine and cosine function───關(guān)于正、余弦函數(shù)的一組恒等式

57 、YU Pin-neng.FFT and FPT hybrid algorithm for 2- D discrete cosine transform[J].Oil Geophysical Prospecting, 1994,29(4) :468 - 473.───[7]余品能.二維離散余弦變換的FFT及FPT混合算法[J].石油地球物理勘探,1994,29(4):468-473.

58 、The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACOSH(COSH(number)) equals number.───反雙曲余弦值是指雙曲余弦值為number的值,因此ACOSH(COSH(number))等于number。

59 、The method of round or adjustment curve suruey and design is laying geometer out the angle bisector according to cosine the ormern.───全站儀安置在分角線上任意點(diǎn)測(cè)設(shè)圓曲線,以及緩和曲線原理是根據(jù)余弦定理,全站儀測(cè)設(shè)方法是應(yīng)用極坐標(biāo)法進(jìn)行測(cè)設(shè)曲線。

60 、Direct Calculation: The impulse responses of certain types of FIR filters (e.g. Raised Cosine and Windowed Sinc) can be calculated directly from formulas.───當(dāng)然是用FIR設(shè)計(jì)程序呀.雖然可以使用手工親自的方法進(jìn)行設(shè)計(jì)濾波器,但是使用FIR濾波器程序比較簡(jiǎn)單.

61 、Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.───功率因數(shù)功率因數(shù)是電路中有功功率(W)視在功率(A)間夾角的余弦值。

62 、Then compressing image and comparing the reconstruction image"s MSE value used the discrete cosine transform, wavelet transform, walsh-hadamard transform and cellular automata transform.───在相同的壓縮比下，比較了壓縮后圖像的均方誤差。

63 、The relationship between gradient loaded effect and parameters have been deducted theoretically and verified experimentally.The application of cosine gradient loaded columns has been studied.───從理論上推導(dǎo)出程序效應(yīng)與各變數(shù)之間的關(guān)系，對(duì)其色譜柱的特性進(jìn)行了探討。

64 、Because the edge orientation of each block can be estimated in DCT（Discrete Cosine Transform) without decompressing, computation complexity declined greatly.───所有數(shù)據(jù)在DCT壓縮域中進(jìn)行處理，不需要解壓縮，從而降低了計(jì)算復(fù)雜度。

65 、For the SAR raw data, the dissertation mainly discusses data compression algorithms in the transform domain, such as, algorithms based on the lifting wavelet transform or discrete cosine transform(DCT).───對(duì)于SAR原始數(shù)據(jù)，主要研究了基于變換域的壓縮算法，如基于提升小波變換和基于離散余弦變換的量化與編碼算法等；

66 、In order to discuss the rationality of various warping displacement modes, second-degree parabola, cubic parabola, fourth-degree parabola and cosine function are selected respectively.───為了探討各種剪滯翹曲位移模式的合理性，分別選取二次拋物線、三次拋物線、四次拋物線及余弦函數(shù)等翹曲位移模式進(jìn)行計(jì)算；

67 、English astronomer and mathematician who invented a surveying chain, quadrant, and scale and introduced the trigonometric terms cosine and cotangent.───岡特，埃德蒙1581－1626英國(guó)天文學(xué)家和數(shù)學(xué)家，發(fā)明了測(cè)鏈，象限儀和標(biāo)尺，并引進(jìn)了兩個(gè)三角學(xué)術(shù)語(yǔ)，余弦和余切

68 、The IMCOS(string) returns the cosine of a complex number.───字符串)函數(shù)返回復(fù)數(shù)的余弦。

69 、Discrete Cosine Transform-Based ECG Data Compession by Template.───基于離散余弦變換的ecg數(shù)據(jù)模板壓縮算法

70 、The confidence level and uncertainty limit of cosine of uniform R.V. (8).───(7).均勻隨機(jī)變數(shù)馀弦之均值不確定范圍之信心準(zhǔn)位。

71 、Cos() returns the cosine of the arg parameter.───cos()返回參數(shù)arg的余弦值。

72 、Hey,that she is going to see my cosin.───一切只剩下我自己一個(gè)人。。。

73 、When the input power is smaller than the critical power, the beam width takes quasi-periodical diffraction with the Jacobian elliptic sine and elliptic cosine functions.───當(dāng)光束初始功率小于臨界功率時(shí)，光束束寬則按雅可比橢圓正弦函數(shù)和橢圓余弦函數(shù)作準(zhǔn)周期展寬變化；

74 、Cosine similarity is a good reflection of vector's similarity, and it also reflect the variations of vector's elements.───余弦相似度聚類不但體現(xiàn)了向量之間的相似關(guān)系,而且包含了向量?jī)?nèi)部元素的變化狀況。

75 、We use transform functions to reform symbols distribution and to reduce their correlation.Discrete Sine Transform (DST) and Discrete Cosine Transform (DCT) are used in this approach.───我們使用轉(zhuǎn)換函數(shù)重新排列訊符的分布并降低訊符間的相關(guān)性，使用的函數(shù)為離散正弦轉(zhuǎn)換及離散馀弦轉(zhuǎn)換。

76 、Based on the steepest descent method,we present an efficient numerical method for computing the sine and cosine transform in resistivity measure,and present theoretical analysis of the error bound.───在最速下降法的基礎(chǔ)上,給出了地球物理勘探中計(jì)算一種正余弦變換的一個(gè)有效數(shù)值算法,同時(shí)對(duì)新算法產(chǎn)生的誤差進(jìn)行了理論分析,并用數(shù)值實(shí)驗(yàn)對(duì)理論分析進(jìn)行了檢驗(yàn)。

77 、The cosine analysis revealed that the rhythms were delayed in acrophase or even disappeared after the irradiation.───余弦分析顯示,以上指標(biāo)的晝夜節(jié)律在照射后均發(fā)生改變,出現(xiàn)峰值時(shí)相延遲甚至節(jié)律消失。

78 、Study and Verification of Raised-root cosine filter, half-band filter, CIC filter on multi-design tools.───4:利用多種工具對(duì)raised-root cosine filter, half-band filter ,CIC filter進(jìn)行設(shè)計(jì)、驗(yàn)證。

79 、MPEG2 also uses the discrete cosine transform,which takes images and finds their frequency and then compresses any repetitive frequencies.───MPEG2也使用離散的余弦轉(zhuǎn)換，這種轉(zhuǎn)換可獲取圖像，發(fā)現(xiàn)它們的頻率，然后壓縮任何的重復(fù)頻率。

80 、The angle displacement of tested body is confirmed with the method of direction cosine, the mathematical model of angle displacement is established.───以方向余弦法來(lái)確定被測(cè)體的角位移，建立其角位移數(shù)學(xué)模型。

81 、On A Group of Identical Equation of Cosine Function───關(guān)于余弦函數(shù)的一組恒等式

82 、The authors suggested that the cosine model could be instead of cir-cular distribution method in the analysis of disease peak period.───在疾病高峰期的分析中，余弦模型可以代替園形分布方法。

83 、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(jī)器人在比賽中的射門次數(shù),以及射門效率,在分析了人類足球中盤帶過人等技術(shù)的基礎(chǔ)上,引入余弦曲線作為機(jī)器人射門路線。

84 、Finite point matrix method based on cosine spline───基于余弦樣條函數(shù)的有限點(diǎn)陣法

85 、Now that we've specified arbitrary angles, we can define their sines and cosines.─── 既然已經(jīng)指定了鈍角 我們就可以定義它們的正弦和余弦了

三角函數(shù)中的正弦、余弦、正切、余切、正割、余割的英文全稱是啥，分別指那兩條邊之比

正弦：sine   余弦：cosine   正切：tangent  余切：cotangent   正割：secant   余割：cosecant

secθ=1/cosθ

cscθ=1/sinθ

cos120度等于多少啊

角度是幾何學(xué)中的基本概念，是衡量?jī)蓷l直線相交的程度。而cosine則是三角函數(shù)中的一種，并在數(shù)學(xué)、天文學(xué)、物理學(xué)和工程學(xué)等領(lǐng)域中得到廣泛的應(yīng)用。Cos120度是我們常見的角度之一，它的值可以通過使用三角函數(shù)表或計(jì)算器來(lái)計(jì)算得出。

在三角函數(shù)中，cosine代表一個(gè)角度的鄰邊與斜邊的比率。在三角形ABC中，如果角C的度數(shù)為120度，那么cosC就是三角形ABC中斜邊AB與角C的鄰邊AC的比值。使用三角函數(shù)公式cosC=AC/AB，我們可以算出cos120度等于負(fù)0.5(cosine函數(shù)是周期性的，所以我們把負(fù)值視為等效的正值)。

值得注意的是，cosine函數(shù)的值域在-1到1之間，因此我們可以用cosine函數(shù)來(lái)計(jì)算許多角度問題，例如用于計(jì)算三角形的面積和高度等。在實(shí)際工程中，我們經(jīng)常使用cosine函數(shù)來(lái)解決距離和角度相關(guān)的問題，例如計(jì)算飛行器或航海中的目標(biāo)之間的距離。因此，了解cos120度等于多少是基本的數(shù)學(xué)知識(shí)之一，也可以幫助我們解決許多實(shí)際問題。