ID 原文 译文
3563 最后,将 ARIMA 模型预测值和历史数据作为 RNN 模型的输入进行二次老化预测,从而克服了 ARIMA 模型对波动较大的时间序列数据预测精度较低的局限性。 Finally, the predicted value of ARIMA model and historical data wereused as the input of RNN model for secondary aging prediction, which overcomes the limitation that ARIMA model haslow prediction accuracy for time series data with large fluctuation.
3564 实验结果表明,ARIMA-RNN 组合模型比 ARIMA 模型及 RNN 模型的预测精度高,且比 RNN 模型预测收敛速度快。 The experimental results show that the proposedARIMA-RNN model has higher prediction accuracy than ARIMA model and RNN model, and has faster prediction con-vergence speed than RNN model.
3565 采用非线性光谱展宽光源作为高重复频率部分相干光载波光源,开展大气湍流信道中高速信息传输实验研究。 The nonlinear spectral broadening light source was used as a partially coherent carrier source with high repeti-tion frequency to carry out experimental research on high-speed information transmission in atmospheric turbulencechannels.
3566 通过皮秒光纤激光器泵浦高非线性光纤获得非线性光谱展宽的部分相干光载波光源,重复频率可达 10 GHz。 A partially coherent beams source with nonlinear spectral broadening was obtained by pumping a highly non-linear fiber with a picosecond fiber laser, and the repetition frequency could reach 10 GHz.
3567 采用 10 Gbit/s 脉冲高速数字调制,通过模拟大气湍流信道传输,相干光载波和部分相干光载波在湍流信道传输前后的信噪比分别从 16.83 dB 和 11.83 dB 降低至 4.31 dB 和 5.64 dB。 The 10 Gbit/s pulsehigh-speed digital modulation was used and transmitted through a simulated atmospheric turbulence channel, the sig-nal-to-noise ratio of the coherent optical carrier and partially coherent optical carrier before and after the turbulentchannel transmission is reduced from 16.83 dB and 11.83 dB to 4.31 dB and 5.64 dB, respectively.
3568 在温度差∆T=230℃的模拟大气湍流通道中,当误码率为 3.8×10 −3 时,部分相干光载波链路灵敏度达到−27.8 dBm,与相干光载波相比,灵敏度提高了 1.6 dB。 In the simulatedatmospheric turbulence channel at ∆T=230℃, when the bit error rate is 3.8×10 −3 , the sensitivity of partially coherent op-tical carrier links reaches −27.8 dBm, which is 1.6 dB higher than that of coherent optical carriers.
3569 针对无线通信多址接入系统中不同数据流量需求和 VLC 特点,构造了一种适用于多速率码分多址可见光通信系统的正交可变扩频因子–零互相关(OVSF-ZCC)码集,该码集包含可变长度的单极性扩频序列,序列之间保持零互相关特性。 For the diverse traffic requirements of the wireless communication multiple access system and the characteris-tics of VLC, a new orthogonal variable spreading factor zero cross correlation (OVSF-ZCC) code set was proposed formulti-rate VLC code division multiple access (CDMA) system, which consisted of unipolar spreading sequences with va-riable lengths, and zero cross correlation properties.
3570 假设 LED 光源辐射为朗伯分布,进一步搭建了应用提出的 OVSF-ZCC 码集的多速率码分多址可见光通信系统模型,并在此基础上分析了码集构造参数、传输速率、传输距离等参数对该系统性能的影响。 Assuming the radiation of LED light source was Lambert distribution,a multi-rate CDMA-VLC system with proposed code set was further presented. The effects of construction parameters,transmission rate and distance on system performance were evaluated.
3571 结果表明,所构造的 OVSF-ZCC 码集能够有效降低系统多址干扰(MAI)的影响,并支持多址接入系统中不同用户的多种速率传输。 The results show that the new code set can effec-tively reduce multiple access interference (MAI), and support multiple transmission rate requirements of different users inmultiple access systems.
3572 针对访问控制策略的自动化生成问题,提出了一种基于深度学习的 ABAC 访问控制策略生成框架,从自然语言文本中提取基于属性的访问控制策略, To solve the problem of automatic generation of access control policies, an access control policy generationframework based on deep learning was proposed. Access control policy based on attributes could be generated from nat-ural language texts.