ID 原文 译文
23975 同时,该文还提出一种基于迭代的在线追踪方案,用于跟踪由于发射机温度变化造成的 I/Q 不平衡的参数漂移现象。 Moreover, an iterative scheme is proposed to track the parameters variation due to temperature in an online manner.
23976 经过复杂度分析,该文提出的方案拥有很高的补偿效率。 By complexity analysis, the proposed scheme is efficient.
23977 最后,仿真结果验证了两种方案针对各类射频损伤矫正的有效性。 The effectiveness of the scheme is testified by simulation.
23978 针对目前循环码参数盲识别存在容错率低、所需截获数据多的问题,该文提出一种基于校验矩阵匹配的循环码参数盲识别算法。 Blind recognition of cyclic code based on check matrix match algorithm is proposed in order to solve the blind identification issue of low fault tolerance rate and large intercepted data.
23979 首先求出所有码字长度n和生成多项式为1nx -的因式对应的校验矩阵作为候选校验矩阵。 First, the corresponding check matrix of all of the code length n and the factor of 1nx - is regarded as candidate check matrix.
23980 然后利用截获的二进制码流构造截获矩阵,使其与候选校验矩阵相乘,判断在不同的码字长度和同步时刻是否存在校验矩阵,再结合存在校验矩阵对应的多项式来识别码字长度、同步时刻和生成多项式。 Second, a matrix is filled with intercepted bit stream received from binary symmetric channel. It is multipled with candidate check matrix, and whether check matrix in code length and synchronization exists or not is determined, and then code length, synchronization and generate polynomial can be estimated.
23981 仿真结果表明,所提算法对高码率(63,51)循环码识别,关于码字长度、同步时刻、生成多项式的正确识别率要求在 80%时,系统允许的最大误码率分别可达2224.610, 4.610, 1.610---´´´。 The simulation results show that if the proposed method is applied to (63, 51) cyclic code, when the probability of correct recognition of code length, synchronization and generate polynomial requires 80%, the maximum bit error rate is 24.610-´, 24.610-´and 21.610-´ respectively.
23982 相位编码正交频分复用(PC-OFDM)雷达是近年来新体制雷达研究热点之一。 Phase-Coded Orthogonal Frequency Division Multiplexing (PC-OFDM) radar has drawn wide attention in high resolution radar application.
23983 该雷达信号对正交多载频进行相位调制,同时具有距离、多普勒高分辨。 This kind of radar signal transmits orthogonal sub-carriers phase-modulated by specific sequences and has range and Doppler high resolution at the same time.
23984 然而,PC-OFDM 雷达对多普勒频偏较为敏感,该文研究了 PC-OFDM雷达基于循环前缀(CP)对多普勒频偏进行估计,并基于估计值对频偏进行补偿,再进行脉冲压缩。 Considering its sensitivity to Doppler offset, this paper derives the pulse compression method of PC-OFDM radar, and based on Cyclic Prefix (CP), a Doppler offset estimation and compensation algorithm is proposed.