| 1. | Increasing the fft ’ s points can decrease the frequency interval , but it will increase the complexity of computation at large extent 如采用增大fft运算的点数来减小频率采样的间隔,将大大增加数字信号处理的运算量,从而影响到雷达工作的实时性。 |
| 2. | Numerical results are compared with that of the analytical solution , it was shown that the complexity of computation was reduced drastically without sacrificing much accuracy 数值结果表明:标准抛物线方程算法在计算目标雷达散射截面时具有较高精度,且计算速度大大提高。 |
| 3. | The analysis is also given on the sphere of application , the complexity of computation . after the extraction of the precise tdoa signal , it is the major problem 在提取到准确的时差信号后,论文第四部分就如何获取精确的目标辐射源位置,即定位算法进行了研究,主要分析了非线性定位方程组的求解技术 |
| 4. | The experiments confirm this method is suitable for many kinds of images , its complexity of computation is less than traditional pixel - based methods , and also it can help do with the oversegmentation 实验表明,该方法可以适合于多种类型的图像并且其计算量远小于传统的基于像素的区域生长方法,同时有助于改善由图像噪声所引起的过分割现象。 |
| 5. | In term of the orthogonal property of alamouti scheme and the character of the ofdm system equivalent model expression of receiver signal for stbc - ofdm system was obtained by flexible transform method so that the inverse of matrix was avoided using direct - decision mode and the complexity of computation and receiver was decreased . the simulation results show the validity and efficiency of the proposed receiver . ( 6 ) an adaptive equalization algorithm used in space - time block coded ofdm ( stbc - ofdm ) system with alamou 该算法充分利用了alamouti编码的正交特性和多发射天线ofdm系统特点,通过灵活的变换对接收信号进行等价的表示;通过对11矩阵求逆的研究,将块最小二乘递推算法( brl )中的zkxzk的矩阵求逆分解为k个2x2矩阵的求逆,从而降低了自适应算法的运算量和接收机的复杂度。 |
| 6. | 3 the concept of equivalence matrix , which expresses equivalence relation in rough set information system , is introduced ; the relations between equivalence matrix and equivalence classes are discussed . the algorithms for data cleaning and rules extraction in knowledge system based on matrix computation are proposed and their complexity of computation is analyzed 3 、在等价矩阵概念的基础上,分析了粗糙集知识系统中等价划分与等价摘要矩阵的关系,采用等价矩阵来表示粗糙集的等价关系,提出了一种对数据库知识系统进行数据清洗以及从中提取决策规则的矩阵算法,分析了该算法的计算复杂性。 |
| 7. | After deeply investigate and analysis , we found the drawback of clique lies in its inconsideration of the characteristic of the data being processed . it grid the data into a predefined grid and this adds up to the complexity of the computation . then it has to degrade the accuracy of the result to degrade the complexity of computation , 通过深入的研究和分析,发现由于clique算法没有考虑到如何利用当前挖掘数据的特性,而是进行一种硬性的网格划分,因此增加了计算复杂程度,而为了降低计算的复杂程度就只能降低聚类结果的精确性。 |
| 8. | Based on the introduction of the principles of takagi - sugeno ( t - s ) fuzzy model and generalized predictive control ( gpc ) algorithm , the fuzzy predictive control method combining gpc and t - s model is classified as three kinds of algorithms . the design method of these algorithms is presented in detail . a comparison of these fgpc strategies in control performance and complexity of computation is given by simulation 在介绍了t - s模糊模型和gpc基本原理的基础上,将基于t - s模型的gpc归纳为三种算法,从理论上对这三种算法进行了详细地推导,并通过仿真研究比较了三种算法的控制性能和计算负担上的差异;从而为这一类模糊预测控制的实际应用提供了选择的依据,也为进一步的性能分析奠定了基础。 |