ID 原文 译文
6344 通过计算,结果表明该DCT-ISLM方法相较于传统SLM方法的峰均比降低了约3.5dB; Through calculation, the results show that the DCT - ISLM method compared with the conventional SLM method than to reduce the peak is about 3.5 dB;
6345 且随着备选信号个数的增加,系统的复杂度也得到了有效的改善。 And with the increase of number of alternative signal, the complexity of the system are improved effectively.
6346 将该方法应用于传统的O-OFDM可见光通信系统中,误码性能也优于传统的SLM方案,可进一步提升此方法的实用价值。 The method applied to traditional O - OFDM visible light communication system, the error performance is superior to the traditional SLM schemes, can further enhance the practical value of this method.
6347 针对高可靠性长寿命产品的寿命估计问题,提出多应力水平的恒定应力加速退化试验差异化设计方案。 In view of high reliability and long life of the product life estimation problem, put forward much stress level of constant stress accelerated degradation test differential design.
6348 采用考虑随机效应的非线性Wiener过程模型来描述产品的退化路径,给出了基于极大似然估计的未知参数估计方法。 Considering the effect of stochastic nonlinear Wiener process model is used to describe the products of degradation path, is given based on maximum likelihood estimation of unknown parameters estimation method.
6349 为了差异化地决策每个应力水平对应的加速退化试验所需的样本数量、测量时间间隔和测量次数的最优组合,建立了以试验总成本为约束,平均失效前时间的渐近方差最小化为目标的优化模型,并提出了相应的遗传算法以用于高效地求解模型的最优值。 In order to decision each stress level corresponding to the differentiation of accelerated degradation test sample size, the optimal combination of the measuring time interval and frequency, set up in order to test the total cost as constraint, minimizing the asymptotic variance of the average time before failure, the target of optimization model, and proposed the corresponding genetic algorithm for efficiently solving the optimal value of the model.
6350 最后通过实例和仿真试验,验证了模型和方法的有效性和实用性。 Finally through examples and simulation test to verify the validity and practicability of the model and method.
6351 为提高多载波调制的频谱效率,提出了一种名为实部虚部索引广义频分复用(generalized frequency division multiplexing with real and imaginary indices modulation,GFDM-RIIM)的新型多载波调制方案。 To improve the efficiency of multicarrier modulation spectrum, this paper proposes a generalized called the real imaginary part index frequency division multiplexing (generalized frequency division multiplexing with real and imaginary indices modulation, GFDM - RIIM) new multicarrier modulation scheme.
6352 该方案将广义频分复用(generalized frequency division multiplexing,GFDM)的子载波索引分为实部索引和虚部索引两部分,从而使系统可以携带更多的比特信息。 The scheme will be generalized frequency division multiplexing (generalized frequency division multiplexing, GFDM) index of subcarrier index is divided into real and imaginary part index of two parts, so that the system can carry more bits of information.
6353 给出了GFDM-RIIM的系统模型,并进行了复杂度分析、频谱效率分析和多径瑞利信道下的误比特率(bit error rate,BER)性能仿真。 GFDM - RIIM system model are presented, and analyzed the complexity, frequency spectrum analysis and efficiency under multipath Rayleigh channel bit error rate (bit error rate and BER) performance simulation.