spectrum matrix中文什么意思

例句与用法

1. 2 . deduce the spectrum matrix of six - tire input under the conditions that the tractor is two - axle and four - wheel ( the rear wheel is double - tire ) and the artillery is one - axle and two - wheel
   研究了牵引车为两轴四轮(后轮为双胎轮) ，火炮为单轴两轮的六轮输入谱矩阵。
2. In additive white gaussian noise ( awgn ) channel , we introduce a method for synchronization of symbol timing and frequency for two - dimensional spread spectrum system without prior knowledge of spread spectrum matrix
   摘要针对加性白高斯噪声信道，考虑未知二维扩频矩阵的条件下，提出了一种二维扩频系统的时频同步方法。
3. Based on the periodical characteristic of the two - dimensional spread spectrum matrix , the method estimates the frequency offset , and then synchronizes the symbol timing by moving the position of data - storage window to calculate the maximum eigenvalue of correlation matrix
   该方法利用二维扩频矩阵周期性重复的特点，先估计出频率偏差，再通过滑动暂存窗求相关矩阵最大特征值，完成信号的时间同步。
4. 5 . the multi - point effect in frequency domain is studied , and the analytical procedure is simplified to some extent , that is , the responding data is accurate enough only with the input according to the first four degressively arranged eigenvalue of earthquake power spectrum matrix . there are disaccordant conclusions of multi - point input analys
   5 、研究了频域内地震动的多点效应，并对计算过程进行了一定程度的简化，即只需要计算输入地震动功率谱矩阵从大到小排列的前4个特征值所对应的地震动的动力反应。