| ID | 原文 | 译文 |
| 54947 | 对于该技术的算法实现,给出了一套利用任意复杂电磁计算(feldberechnung bei korpern mit beliebiger oberflache,FEKO)软件模拟目标散射波和入射场,并对获取数据进行网格化方法处理,最终将处理后数据重构目标图像的实现方案。 | For the algorithm implementation of this technology, this paper gives a set of arbitrary complex electromagnetic computing (feldberechnung bei korpern MIT beliebiger oberflache, FEKO) software to simulate the target scattering wave and the incident field, and the grid method to get the data processing, will eventually after processing data reconstruction scheme of realization of the target image. |
| 54948 | 在此基础上,证明了真实的入射场和前向散射数据对成像效果影响显著,同时分析了不同扫描孔径、天线位置、复杂物体的成像效果,并给出相应结论,为实际应用提供参考数据。 | On this basis, the proved true in field and the forward scattering data significantly effect on the imaging performance, and analyzes the different scanning aperture, antenna position, the imaging effect of complex object, and gives the corresponding conclusion and provide reference data for practical application. |
| 54949 | 传统关于轨迹隐私保护的研究大多假设所有轨迹具有相同的隐私需求。 | Traditional research on trajectory privacy protection mostly assumes that all tracks with the same privacy requirements. |
| 54950 | 然而,现实应用中不同轨迹的隐私需求可能不尽相同,使用相同的隐私保护标准对轨迹进行处理将使所发布轨迹的可用性降低。 | However, different trajectories in the practical application of privacy requirements may vary, use the same privacy protection standards to deal with trajectory will reduce the availability of trajectory issued. |
| 54951 | 为此,提出一种可实现个性化轨迹隐私保护的(K,ε)-隐私模型和基于该模型的个性化隐私保护轨迹匿名算法IDU-K。算法在保证发布轨迹数据的信息损失率不超过阈值ε的前提下,采用基于贪心聚类的等价类划分思想对含有不同隐私需求的轨迹集合进行个性化匿名处理。 | For this, put forward a kind of can realize personalized trajectory privacy (K and epsilon) - privacy model and trajectory anonymous personal privacy protection algorithm based on the model IDU - K. Algorithm in ensuring information on trajectory data loss rate is less than threshold epsilon under the premise of the equivalence class partition based on greedy clustering thought to contain different privacy requirements of personalized anonymous processing path set. |
| 54952 | 实验对算法IDU-K的隐私保护有效性及发布数据可用性与同类算法进行比较分析。 | Experiment on the algorithm of IDU - K release data privacy protection effectiveness and availability of comparative analysis with other similar algorithms. |
| 54953 | 实验结果表明,算法IDU-K是有效可行的。 | The experimental results show that the algorithm is IDU - K is effective and feasible. |
| 54954 | 针对随机竞争预约机制在网络负载较重时预约性能恶化导致卫星信道利用率下降的问题,提出了一种适用于卫星网络信道预约的统计预测机制,该机制在对预约时隙(slots for reservation,SR)可用度进行多等级划分的基础上,利用一致最小方差无偏估计和Faulkenberry理论计算下一帧SR可用度的预测区间,根据Markov模型的转移概率矩阵和SR可用度出现次数的频率估计,对下一帧内信道SR的可用度进行精确预测,用户终端根据预测结果动态调整预约请求的发送概率。 | Compete against random reservation mechanism in network load heavier when booking performance degradation cause of the decline of the satellite channel utilization, puts forward a applicable to satellite network channel reservation mechanism of statistical prediction, the mechanism on the appointment time slot (the slots for reservation, SR) availability on the basis of multiple hierarchies, uniformly minimum variance unbiased estimation and Faulkenberry theory is used to calculate the next frame SR availability prediction intervals, according to the transition probability matrix of Markov model and SR availability occurrences of frequency estimation, on the availability of the next frame channel SR for precise prediction of user terminal according to the result of forecast sent probability dynamically adjust the booking request. |
| 54955 | 理论分析与仿真结果表明,该机制具有较好的适应性和有效性,预测精度得到了较大提高,减小了信道预约冲突概率,提高了卫星信道利用率。 | Theoretical analysis and simulation results show that the system has good adaptability and efficiency, to improve the prediction accuracy greatly, reduced the probability of channel reservation conflict, raise the utilization ratio of the satellite channel. |
| 54956 | 为了降低多输入多输出正交频分复用(multiple input multiple output orthogonal frequency division multiplexing,MIMO-OFDM)系统中传统部分传输序列(partial transmit sequence,PTS)算法的计算复杂度,提出了联合时域和空间域信号处理的改进PTS算法。 | In order to reduce the multiple input multiple output orthogonal frequency division multiplexing (multiple input multiple output orthogonal frequency division multiplexing, MIMO - OFDM) transmission parts of traditional system sequence (partial transmit sequence, PTS) algorithm computational complexity, and put forward the combination of time domain and spatial domain signal processing improved PTS algorithm. |