inverse cosine

On Shafer-Fink Type Inequality of Inverse Cosine

关于反余弦函数的Shafer-Fink型不等式

The results show that backward electron emission yield deviates from inverse cosine law , due to the role of the valence electrons of H2 + .

研究发现背向的电子发射产额不满足余弦关系，这是由于H2+上的价电子所引起的。

Study on an example of the inverse fast cosine transform of two dimensions system

二维快速余弦逆变换实例研究

A JPEG Image Compression Technique Based on All Phase Inverse Discrete Cosine Biorthogonal Transform

基于全相位反余弦双正交变换的JPEG图像压缩技术

Inverse Discrete Cosine Transform takes the most of time in MPEG-4 video decoding .

离散余弦逆变换是MPEG-4视频纹理解码中运算时间开销最大的部分。

LSI Implementation of ROM Look-up Table Based Inverse Discrete Cosine Transform for HDTV Decoder

可用于HDTV解码器的基于ROM查找表的IDCT电路大规模集成电路实现

Inverse discrete cosine transform ( IDCT ) is an important module in MPEG ( Moving Picture Expert Group ) decoding .

离散余弦逆变换IDCT是运动图像专家组MPEG视频解码的重要组成部分。

The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function , and discussion on them is performed .

利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。

This paper presented an ROM look-up table ( LUT ) based inverse discrete cosine transform ( IDCT ) algorithm and its LSI implementation having parallel architecture .

介绍了采用基于ROM查找表的全数字反离散余弦变换（IDCT）电路的算法原理及其并行架构的大规模集成电路实现。

By making an inverse discrete cosine transformation of these recorded intensity profiles , the distribution of fluorescent markers along the optical axis of a focused laser beam is obtained .

只要对所纪录的荧光序列做一个简单的傅立叶变换，即可以得到此位置样品沿着光轴方向的荧光团分布。

This paper presents a new Loeffler algorithm-based approach to two dimensional forward and Inverse Discrete Cosine Transform ( 2D DCT / IDCT ) for image compressions .

提出了一种基于Loeffler[8]算法的快速实现二维离散余弦变换/反离散余弦变换（2DDCT/IDCT）的方法。

In this paper , a new cost efficient and high throughput 8 × 8 2-D Inverse Discrete Cosine Transform ( IDCT ) processor is presented based on row-column decomposition structure .

本文提出了一种基于行列分解算法的8×8二维反向离散余弦变换（IDCT）处理器。通过分解D（（？）

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。

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 .

同时，许多视频压缩标准如MPEG-1和MPEG-2等均采用离散余弦变换（DCT：DiscreteCosineTransform）及离散余弦反变换（IDCT：InverseDiscreteCosineTransform）进行编解码。

To improve the amplitude-frequency response characteristics of all phase digital filter ( APDF ) based on inverse discrete cosine transform ( IDCT ), the design formula of windowed APDF based on IDCT is derived .

为了改善直接基于逆离散余弦变换（IDCT）域设计的全相位数字滤波器（APDF）幅频特性，推导了IDCT域加窗APDF的设计公式。

After explanation of the inverse fast cosine transform ( IFCT ) of two dimensions system , a method of performing IFCT is analyzed by means of the matrix analysis , furthermore , an useful example for programming performance is deduced too .

阐述了二维快速余弦逆变换（IFCT），对用矩阵分解方法实现IFCT进行了分析，并给出了有助于编程实现的研究实例。

The forward and inverse modified discrete cosine transforms ( MDCT ) are two of the most computational intensive operations in the MPEG audio coding standard .

在MPEG音频编码标准中，前向MDCT和后向MDCT是2个计算最复杂的部分。

Implementation of Variable Length Decoder 、 Inverse Quantization and Inverse Discrete Cosine Transform in MPEG-2 with FPGA

基于MPEG-2视频可变长解码、反量化、反离散余弦变换的FPGA实现