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

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.

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.

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.

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.

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.

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.

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.

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.

Must compensate for the cosine effect.

必须补偿余弦定律产生的错误.

Discrete Cosine Transform and image compression.

离散馀弦转换与影像压缩法.

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.

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.

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.

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.

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.

In the evening a log fire would provide cosiness.

晚上点起篝火会让人感到温暖舒适。

These black models are moving in on what was previously white territory: the lucrative cosmetic contracts.

黑人模特正逐步涉足曾是白人主宰的领地：签约获利丰厚的化妆品行业。

It is a cosmetic measure which will do nothing to help the situation long term.

这项举措只是表面文章，长期来看对于改善情况不会有任何帮助。

These reforms are not merely cosmetic.

这些改革不仅仅是装点门面的。

These changes are purely cosmetic.

这些改变纯粹是装饰门面.