ID 原文 译文
11174 仿真表明,量化后的最小和算法中的所有变量都用固定长度的整数表示,因而便于硬件实现,在其译码性能比和积译码(sum-product decoding,SP)性能下降不大的情况下大大提高了译码速度;‭ ‭Simulation shows that after the quantitative algorithm of minimum and all the variables are expressed with fixed length of an integer, and therefore is convenient for hardware implementation, in the decoding performance ratio and decoding (sum - product decoding, SP) performance degradation under the condition of not greatly improve the decoding speed;
11175 平均互信息越大的量化方法,其量化分层电平也越佳; ‭The greater the average mutual information quantitative method, the quantitative hierarchical level is better;
11176 ‭最大平均互信息量化下的最小和译码算法性能最好,最大平均互信息量化是一类能最大可能获得信源信息条件下的最佳量化方法,且不增加译码复杂度。 ‭Under the maximum average mutual information quantification of the minimum and decoding algorithm has the best performance, the maximum average mutual information quantification is a kind of to the greatest possible access to source information under the condition of the best quantitative method, and does not increase the decoding complexity.
11177 为了应对信道非线性特性引起的非线性失真,提高通信性能,研究一种Hammerstein信道非线性有记忆特性判定算法。 In response to the channel nonlinear distortion caused by nonlinear properties, improve the communication performance, research a kind of nonlinear Hammerstein channel decision algorithm with memory characteristics.
11178 基于GM线性模型辨识算法,引入复信号高阶累积量,推导复信号下Hammerstein线性模块辨识算法,并判定信道记忆特性。 Linear model identification algorithm based on the GM, introducing higher-order cumulant, complex signal Hammerstein linear module identification algorithm under complex signals are derived, and determine the channel memory characteristics.
11179 而后构造基于最小二乘的参数拟合模型,推导不同拟合阶数下线性和非线性信道拟合性能关系,并以此为依据完成信道非线性有记忆特性的判定。 Then constructed based on the parameters of least squares fitting model, is derived under different fitting order linear and nonlinear fitting performance channel relations, and on this basis to complete channel with nonlinear memory characteristics.
11180 仿真实验表明,算法对输入为多进制相移键控(multiple phase shift keying,MPSK)和多进制正交幅度调制(multiple quadrature amplitude modulation,MQAM)信号,最大非线性强度(max nonlinear intensity,MND)下的Hammerstein信道有较好的辨识性能。 Simulation experiments show that the algorithm of input for a binary phase shift keying (multiple phase shift keying, MPSK) and multi-band quadrature amplitude modulation (multiple quadrature amplitude modulation, MQAM) signal, the largest nonlinear strength (Max nonlinear intensity, MND) under the Hammerstein channel has good recognition performance.
11181 高频地波雷达飞行目标高度估计一直是工程上尚未解决的热点问题。 High frequency ground wave radar flight height estimation has always been the hot spot of the yet to solve engineering problems.
11182 然而在实际工程应用中,更加关心的是被探测到的飞行目标是高空还是低空的高度属性问题,而且飞行目标高度属性判别研究比精确估计目标的具体飞行高度更有实际应用意义,且更容易在实际系统中实现。 ‭In the practical engineering application, however, was more concerned about the detected flight target is the height of the properties of high or low, and the flying targets highly discriminant research than estimate the target attribute specific flight height has more actual applied meaning, and easier to implement in the actual system.
11183 基于上述工程设计思想,提出高频地波雷达飞行目标高/低属性判别工程化方法,首次解决了高频地波雷达飞行目标高度属性判别问题。 ‭Based on the engineering design, high/low flying high frequency ground wave radar target attribute discriminant engineering method, for the first time to solve the high frequency ground wave radar flight height attributes discriminant problem.