查询词典 cosine

The layered video decoding system comprises a base layer decoder for receiving and decoding a base layer video stream; and an enhancement layer decoder for receiving an enhancement layer video stream and the decoded base layer stream, and generating a decoded enhanced video output, wherein the enhancement layer decoder includes: a plurality of inverse discrete cosine transform /IDCT modules; and a selection system for selecting one of the IDCT modules.

分层视频译码系统包括：基本层译码器，用于接收和译码基本层视频流；和增强层译码器，用于接收增强层视频流和所译码的基本层流，并生成译码的增强的视频输出，其中该增强层译码器包括：多个反离散余弦变换模块；和用于选择其中一个IDCT模块的选择系统。

The harmonic field of electric dipole source on the uniform earth surface is converted into transient field by inverse Laplace transform,and the Bz/ t transient curve is calculated.The Hz transient curves on the stratified earth surface are obtained from cosine transform calculated by broken line approximation.

由逆拉普拉斯变换将均匀大地面上的电偶极子源谐变电磁场转换为瞬变电磁场，并计算出Bzt瞬态曲线；对分层大地面上的瞬变电磁场，采用折线逼近法计算余弦变换得出Hz瞬态曲线。

Once settled into our table, my companion and I surveyed the menu, which is classic casa'linga Italian cosine with a few Greek influences.

一坐下来，我的同伴和我便开始研究菜单，这是典型的意大利余家庭风格，带有些许希腊影响。

In the forth part, we mainly discuss the properties of cosine operators, such as the normcontinuity, locally Lipschitz continuity, which are preserved under the multiplicative perturbation with the-condition.

第四部分讨论了余弦算子在条件下的乘积扰动和扰动下的不变性。如条件下的乘积扰动仍保持范数连续、局部Lipschitz连续不变。

The variation at the lower solar elevation is caused by the cosine response of the instrument.

以目前总日射表的制造水准尚无法解决余弦响应的干扰问题。

The VBA macro can extend an antenna element to an arbitrary linear or square array with their amplitudes of the array elements being weighted in the Chevbyshev polynomials or Cosine functions.

宏命令将单元天线扩展为任意线阵或是平面方阵，并对天线阵的幅度进行切比雪夫加权或余弦加权。

In this paper a similarity measure for template matching is presented by using hidden Markov model and discrete cosine transform.

将隐马尔科夫统计模型引入到目标模板匹配，并结合离散余弦变换，给出了一种图像相似性测度。

Face detection; Face recognition ;Skin color model; Discrete Cosine Transform; Hidden Markov Model

论文导师刘志镜，论文学位硕士，论文专业计算机应用技术

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。

The digital down converter adopts octant mapping algorithm and utilizes the symmetry of sinusoidal value and cosine value to divide [0, 2 Pi] into eight sections.

本数字下变频器采用八分圆映射算法，利用正弦值、余弦值的对称性，把[0，2π]分成8个区间。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。