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Aim To study some calculation formula of sine function and cosine function.

目的研究正弦函数和余弦函数的一些计算公式.

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The source code simulates BER of OFDM system implemented using discrete cosine transform.

源代码模拟误码率的OFDM系统实施使用离散余弦变换.

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At last use the cosine function computing the similar degree, and implement the spam filtering.

当接收到新邮件,根据向量模型和相关加权方法提取邮件向量,利用余弦函数计算两向量相似度.

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Let's now examine the simplest wave from where the profile is a sine or cosine curve.

现在让我们来考察最简单的波形,它的剖面图是正弦或余弦曲线.

辞典例句

Thetheory includes Euler angular algorithm, direction cosine algorithm, quaternion algorithm and rotation vector algorithm.

基本理论包括欧拉角算法 、 方向余弦算法 、 四元数算法和等效旋转矢量算法.

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There are sine cosine complete source code of the image can be used directly.

正弦余弦有完整的源代码的图像可直接用于.

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Discrete Cosine Transform and image compression.

离散馀弦转换与影像压缩法.

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Must compensate for the cosine effect.

必须补偿余弦定律产生的错误.

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In the flowing, an iterative channel estimation method using discrete cosine transform is proposed.

在此基础上, 利用离散余弦变换的特性,提出了一种基于DCT变换 的迭代信道估计算法.

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The cosine rather than the sine is customarily used in this case.

在这种情况下,习惯上用余弦函数而不是正弦函数.

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Secondly, the level of cosine transform coding some of the improvements.

其次是对层次余弦变换编码部分的改进.

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Each module was an arithmetical command such as add, subtract, multiply, cosine, sine.

每一个组件都是一种算数指令,诸如加 、 减 、 乘 、 余弦 、 正弦.

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Cosine transform is widely adopted in image, video compression and pattern recognition.

余弦变换广泛应用于图像和视频的压缩编码以及模式识别之中.

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We have also studied the variance spectral configuration of surfacefield using DCT ( Discrete Cosine Transform ).

并采用了离散余弦转换( DCT ) 对其方差的波谱结构进行了讨论.

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For sinusoidal waveforms, equal to the cosine of angle of phase difference between voltage and current.

对于正弦波来说, 功率因子等于电压、电流位相差的余弦.

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Formulas of inversion and cosine transform spectrum of gravity anomaly cylinderfinite stretched staircase were deduced.

提出利用余弦变换,研究规则体重力异常谱特征及反演方法.

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Besides, the relations among alldemonstrated by calculating the cosine value.

另外通过计算变量之间的夹角余弦值,本文讨论了变量之间的关系.

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A digital map watermarking algorithm based on discrete cosine transform ( DCT ) is presented.

设计了一个基于 DCT 的数字地图水印算法.

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This paper studies the grating projective images compression technology based on Discrete Cosine Transformation ( DCT ).

文中研究了基于离散余弦变换的光栅 投影图 的压缩.

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Familiar UWB pulses are introduced firstly, including Gaussian pulse, rise cosine pulse, etc.

首先研究了传统的超宽带脉冲的特性, 包括高斯脉冲 、 升余弦脉冲等.

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A linearization method to design biorthogonal cosine BCM filter banks is proposed.

介绍了一种用于设计双正交余弦调制滤波器组的线性化方法.

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A linearization method to design biorthogonal cosine modulation ( BCM ) filter banks is proposed.

摘要介绍了一种用于设计双正交余弦调制 滤波器组 的线性化方法.

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This procedure realize orthogonal transformation images, including Fourier transform, discrete cosine transform, Walsh transform.

本程序实现图像的正交变换, 包括傅立叶变换, 离散余弦变换, 沃尔什变换.

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This paper presents an information hiding algorithm in Discrete Cosine Transform ( DCT ) domain.

提出一种在图像离散余弦变换 ( DCT ) 域内的信息隐藏算法.

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