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- It explores the second order statistics of fading envelopes influenced by nonisotropic scattering environments with light-of-sight (LOS), and uses an AR model for channel simulation. 在研究接收信号(含直射和方向性散射)复包络二阶统计特性的基础上,采用AR模型对信道进行仿真。
- And the second order effects should also be mild. 第二波的影响亦应该比较温和。
- One of the second order of angels. 二级天使天使中的第二级
- This paper presented a new approach to blind channel estimation and equalization based on Second Order Statistics(SOS). 本文提出了一种新的基于二阶统计量的盲信道辨识与均衡方法。
- This paper takes BSS(blind signal separation) method based on SOS(second order statistics) to se-parate the radio fuze signals. 采用二阶盲辨识方法对无线电引信信号进行分离。
- the second order statistics 二阶统计量
- Some methods of SEMG signal pretreatment based on blind source separation using second order statistics were proposed for noise separation and the elementary decomposition of multi-channel SEMG. 摘要采用基于二阶统计量的盲源分离算法对多导表面肌电信号进行处理,实现噪声的分离和表面肌电信号的初步分解。
- Then, the second order moment, entropy, contrast, and uniformity are described as four image features based on the image greyhound symbiosis matrix on the point of statistics. 从统计分析的角度出发,基于图像灰度共生矩阵描述了二阶矩、熵、对比度和均匀性这4个纹理特征量。
- The difficulty is in which way the non-circulating stock can acceptably enter the second order market. 全流通的难点是非流通股份以何种方式进入市场,才能被二级市场所接受。
- On the first problem of a class of the second order parabolic systems of two variables and two unknown functions. 一类二阶两个自变数两个未知函数的抛物形方程组的第一问题。
- The method of undetermined coefficients is the general method of solving a linear differential equation with constant coefficients of the second order. 摘要二阶常系数线性微分方程可用常规方法待定系数法求解。
- The second snub settled his hash. 第二次碰壁使他不敢再找麻烦了。
- The achromatic and isochronous relations of the system are obtained with transport matrix method, and the second order effects are discussed. 用传输矩阵方法研究了其消色差和等时性关系,并讨论了系统的二阶效应。
- The second term commences in March. 第二学期自三月开始。
- The transformation function of a circuit composed of nullator-norator and RC component is of the second order. 摘要分析了由零极子对和RC元件组成的基本电路模块,其基本电路的传递函数为二阶。
- The game didn't heat up until the second half. 游戏玩到后半场才热闹起来。
- The second order nonlinear optical material, 2,4 dinitrophenol (DNP) was synthesized. 合成了二阶非线性光学材料 2 ,4 -二硝基苯酚 (DNP) ,测试了其二次谐波产生 (SHG)的强度和晶体结构。
- The second batch of sugar is better than the first. 第二批制成的糖比第一批好。
- The second part is the high spot of this book. 第二部分是这本书的最精彩部分。
- The second order regressive polynomial was determined by the curve and the value of CTOD was estimated furthermore. 可以使一组没有规律的数据,成为一条光滑的曲线。