余弦

In this paper,the compatibility test and consistence test are compared,the included angle cosine method for compatibility test based on priority vectors of judging matrix is put forward,and finally,the simplicity and effectiveness of the method is demonstrated with a numerical example.

对相容性检验和一致性检验进行了比较，分析了这2个指标的异同，并从判断矩阵的排序向量出发，提出了相容性检验的夹角余弦法，最后通过一个算例说明该计算方法简洁有效。

The voltage induced in series with the loop is proportional to the area and the cosine of its angle to the field.

回路感生电压的大小与回路面积以及回路与磁场方向夹角的余弦成正比。

For example, using the raised consine roll off function as the system pulse response, the feasiblity and effectiveness on the interpolation formula has been certified by theoretical and numerical analysis. The computer simulation result on 16-QAM signal is given.

以系统脉冲响应为升余弦滚降函数为例，利用理论分析和数值分析的方法验证了插值公式的可行性和有效性，并给出了16-QAM信号的计算机仿真结果。

As an application of the interpolation criteria, the interpolation formula of bandlimited transmission signals which satisfied the condition of the Nyquist first criteria has been presented.

在信号插值问题上，首先利用基本的信号模型和Nyquist第一准则，导出了一个插值准则，作为插值准则的应用，对满足Nyquist第一准则的带限传输信号给出了一个通用的插值公式，以升余弦滚降函数为成形滤波函数的限带传输信号作为一个特例，通过计算机仿真验证了插值算法的可行性和有效性。

This paper proposes a hierarchical coding technique based on the All Phase Inverse Discrete Cosine Transform interpolation.

摘要该文提出了一种基于全相位逆离散余弦变换内插滤波器的重采样分层编码技术。

Digital signal processor; inverse modified discrete cosine transform ; MPEG ; audio compression

数字信号处理器；修正离散余弦变换； MPEG ；音频压缩

Inverse quantization and inverse discrete cosine transform are important operations in MPEG-2 decoding.

反量化和反离散余弦变换是MPEG-2中恢复帧内编码系数或差分系数的重要手段。

Based on the characteristics of AVS algorithms, hardware architectures of variable length decoding module, inverse integer cosine transform module and in-loop deblocking filter module were developed.

同时根据AVS算法特点，给出了变长解码模块、反整数余弦变换模块和环路滤波模块的硬件实现结构。

MDCT (Modified Discrete Cosine Transform) and IMDCT (Inverse Modified Discrete Cosine Transform) are two of the most complex computation modules.

改进离散余弦变换与其反变换是当今主流音频压缩标准中普遍采用的时频变换单元，也是计算量最密集的模块之一。

A novel true 2-D nonseparable wavelet filter bank-all phase discrete inverse cosine sequency filter was presented.

构造了一组新的纯二维不可分离的小波滤波器―全相位离散反余弦列率滤波器。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。