cosine
美 [?ko??sa?n] 
英 [?k???sa?n]
詞形變化
復數：cosines
英漢雙解
1. | 余弦the ratio of the length of the side next to an acute angle in a right-angled triangle to the length of the longest side(= the hypotenuse ) |
英漢解釋
英英解釋
例句
The inverse function of that restricted cosine function is called the arccosine function.
被限定的余弦函數之反函數叫做反余弦函數。
We note that the technique is applicable to any image compression method which employs discrete cosine transforms and quantization.
我們注意到，該技術適用于任何的圖像壓縮方法，采用離散余弦變換和量化。
The cam is of several teeth of cosine curves and of good quality at high speed.
凸輪采用了多齒的正弦曲線，高速性能好。
and an analysis of the law of transfer arm movement, transfer arm rotational angular velocity is cosine changing law.
并且對除渣器轉臂的運動狀況進行了分析，得到了其運動規律成余弦規律變化；
the probability amplitude of it's ground state and excited state is the cosine's summation form and the sine's summation form respectively.
其基態和激發態的概率幅分別具有余弦求和與正弦求和的形式。
In the fourth chapter, give an implementation of the auto-correlation, Shure recursive, discrete cosine transform in a hardware environment.
在第四章用硬件實現了自相關、舒爾遞推、離散余弦變換等關鍵模塊。
the cosine approximation arithmetic generates too large error to be used in numerical simulation despite of saving more time.
余弦近似法雖更省時但誤差較大，數值模擬中不宜采用。
Then, Discrete Cosine transform was used to analyze the shape and leg angle characteristic and represent the gait features.
然后，采用離散余弦變換分析了步態外形特征和角度特征。
The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.
提出了同軸度誤差的數學模型，其中給出一種高效的優化方法一余弦移位相加法。
That would be a nice viewport for trigonometric graphics like sins or cosines.
這對于三角圖形（例如sin和cosine）來說是很好的一個viewport。
The watermark algorithm is carried out in Discrete Cosine Transform(DCT) domain, and extracting process is instantaneous and blind.
水印算法在離散余弦變換域進行，水印提取過程無需原始圖像，具有良好的實時性。
As the growth of cypress forces, the content of soil n, p, k, organic matter showed the trend of shock downward as a cosine function.
柏木林的生長對土壤酶活性具有一定抑制作用，大部分指標顯示出震蕩下降或連續下降的趨勢；
You know what the cosine of the angle is, so you always get two angles.
你知道cosθ等于多少，所以得到兩個角度。
Robust; Phase Shift Keying ; Frequency Shift Keying ; Discrete Fourier Transform; Discrete Cosine Transform; Spread Spectrum.
強健性；相移鍵控；頻移鍵控；離散傅立葉轉換；離散馀弦轉換；展頻。
Method: Compare the similarity of the fingerprints chromatography by coefficient of correlation and cosine value of vectorial angle.
方法在多維空間中比較相關系數和夾角余旋值來計算圖譜相似度。
Is a mathematical function that returns the trigonometric cosine of the specified angle, in radians, in the specified expression.
一個數學函數，返回指定表達式中以弧度表示的指定角的三角余弦。
Well, what I can change is the direction, and this will be the largest when the cosine is one.
我可以改變的是方向，當cos=1時，這個可以取到最大。
Find the cosine of the angle between the vertex normal and the newly calculated vertex to light normal.
確定頂點法線與重新計算頂點后得到的光照法線之間的角度的余弦。
Cosine is unilateral in its many applications to the specific problems of specific problem-solving methods choose the good.
正余弦定理都在其片面有好多應用，現就詳細問題詳細選擇出較好的解題辦法。
Since there is no acceleration in the y direction, the normal force must be also mg cosine theta.
既然在y方向上，沒有加速度，法向力也等于mgcosθ
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余弦曲線。
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方向夾角的余弦成正比。
A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.
移相線路中配有與弦移相器以滿足可控硅整流器最大可能觸發電流和電壓。
In this paper, text similarity is computed using cosine factors and vector space model, and the author gives the realization of the method.
該文采用余弦系數和向量空間模型計算文本的相似度，并給出了實現的方法。
The authors suggested that the cosine model could be instead of circular 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。
This paper describes a FPGA design for two dimensional Discrete Cosine Transform(2D-DCT)used in JPEG medical image compression.
本文介紹了一種適用于JPEG醫學圖象壓縮的二維DCT的FPGA設計方案。
The binary coding of cosine eliminates zeroth order diffraction theoretically, and can generate high pixel hologram.
余弦二值編碼方法從理論上消除了零級衍射，可以制作像素較多的全息圖。
Discrete cosine transform (DCT) is an effective method to signal enhancement.
離散余弦變換是聲信號增強的有效方法。
A digital image watermark algorithm in DCT(Discrete Cosine Transform) domain with chaotic encryption was presented.
提出了一種基于混沌加密的DCT域數字圖像水印算法。
Eventually it adopts cosine function for discrete interpolation in the inertial space trajectory planning.
最終以余弦函數對慣性空間的規劃軌跡進行插值離散。
Focal depth of hyperbolic -cosine-Gaussian beams induced by a phase plate was investigated.
研究了同軸分區相位板對雙曲余弦高斯光束焦點區域光強分布和焦深的影響。
This method can preserve the main structure of image, smoothing noise and removing discrete cosine transform blocking effects.
該方法在平滑噪聲和消去方塊效應的同時，能保留圖像的主要結構特征。
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。
Besides, the relations among all features are demonstrated by calculating the cosine value.
另外通過計算變量之間的夾角余弦值，本文討論了變量之間的關系。
Google can even work with trigonometric functions, including sine and cosine. Google.
甚至能用三角函數計算，包括正弦和余弦。
We present a new technique for sharpening compressed images in the discrete-cosine-transform domain.
我們提出了一種新的壓縮技術，圖像銳化的離散余弦變換域。
Best rises the cosine to roll falls the system the multi- diameters transmission Rolls the step-down ratio 0. 5, sample time.
最佳升余弦滾降系統的多徑傳輸。滾降系數0.5，取樣時間無偏差。
According to quantified standard data, the closed degree of between stylebooks was computed with cosine of included angle.
據標準化數據用夾角余弦計算樣本間的貼近度。
So actually, we set this equal to zero. So, we have zero equals da equals cosine theta db minus b sine theta d theta.
實際上，我們讓它等于零，因此我們有0=da=cosθdb-bsinθdθ
calculates the direction cosine matrix using a rotation sequence.
由特定的旋轉序列計算方向余弦矩陣
The cosine window function is introduced and applied in the plane wave synthesis technique.
本文介紹了余弦窗函數，并將其應用到平面波綜合技術中。
