ID 原文 译文
8674 仿真结果表明,该算法可以有效抑制惯性导航系统输出误差的振荡及发散。 The simulation results show that the proposed algorithm can effectively restrain the error of inertial navigation system output of oscillation and divergence.
8675 在实际应用中,属性值的改变会导致覆盖信息系统中某一个覆盖发生变化,此时使用非增量的方法计算集合的上下近似集的时间开销较大。 In practical applications, the attribute value change leads to cover information system in a certain coverage changes, at this point the use of incremental method calculation of the upper and lower approximation set collection time overhead.
8676 因此,针对属性值变化产生的动态覆盖信息系统,提出基于矩阵的增量方法计算集合的上下近似集。 Therefore, in view of the attribute value change dynamic overlay information system, puts forward the incremental method based on matrix calculate the upper and lower approximation set collection.
8677 首先,给出增量的方法计算动态覆盖的两种特征矩阵。 First of all, we give two covered by incremental method to calculate the dynamic characteristics of matrix.
8678 然后,基于给定的两种特征矩阵分别给出计算集合上下近似集的增量算法,通过实例说明了算法的计算过程。 Then, based on the given two, respectively, the calculation of the characteristic matrix set upper and lower approximation set of incremental algorithm, through the example is given to illustrate the calculation process of the algorithm.
8679 最后,通过仿真实验验证了本文所提算法的有效性。 Finally, through the simulation results verify the effectiveness of the proposed algorithm in this paper.
8680 为了改善正交频分复用(orthogonal frequency division multiplexing,OFDM)系统的峰均功率比(peak-to-average power ratio,PAPR)性能,提出了一种基于动态功率阈值的低复杂度部分传输序列(partial transmit sequences,PTS)方法。 In order to improve the orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) systems of peak power ratio (peak - to - business power thewire, PAPR) performance, this paper proposes a low complexity based on dynamic power threshold of transmission sequence (partial transmit sequences, PTS) method.
8681 在新的PTS方法中,引入了基于功率的判别函数,并给出了一种基于功率合理选择阈值的方法。 In the new PTS method, introduced the discriminant function based on power, and presents a method based on power choose the threshold value.
8682 在选取最小的PAPR值进行传输时,只对Pn大于等于阈值的样本信号进行峰值功率的计算。 In selecting the minimum PAPR values for transmission, only the Pn is greater than or equal to the threshold value of sample signal peak power calculation.
8683 与传统的PTS算法相比,本文提出的算法在保证PAPR性能和误码率的情况下,能够更有效地降低计算复杂度。 Compared with the traditional PTS algorithm, the proposed algorithm under the condition of the PAPR and the bit error rate performance, can more effectively reduce computational complexity.