ID 原文 译文
23195 首先定义带匹配路径约束的最长公共子序列模型,其次推出该序列的性质,最后求出带匹配路径约束的最长公共子序列长度的基础算法和快速算法。 Firstly, a new model is defined for matching path constrained longest common subsequence. Secondly, the property of the subsequence is given.
23196 基础算法和快速算法时间复杂度分别为 O(mnt)和 O(mn), m, n, t 分别为序列 Q, C, I 的长度。 Lastly, a common method with O(mnt) time and a fast method with O(mn) time are respectively analyzed, where n, m and t are lengths of Q, C, and I respectively.
23197 双基星载合成孔径雷达(SAR)利用双平台接收以及联合处理回波信号,在测绘、干涉测量、目标识别、自然灾害监测等领域有重要的应用价值。 Benefiting from the combined processing of echo signals received on spatially separated platforms, bistatic spaceborne SAR has many valuable applications such as survey, interferometry, target recognition and classification, disaster monitoring, etc.
23198 为了进一步提升该体制的成像性能,该文提出一种采用空时编码和短偏移正交波形的双基星载多发多收合成孔径雷达系统(MIMO  SAR)。 In order to improve the imaging performance further, this paper presents a bistatic spaceborne Multiple-Input Multiple-Output SAR (MIMO SAR) system combined with Space-Time Coding (STC) and Short-Term Shift-Orthogonal (STSO) chirp waveforms.
23199 基于接收端的数字波束形成技术,该系统能够有效分离提取不同波形回波数据,获取更多空间自由度,从而同时具备双基体制和 MIMO 体制的优势。 With the help of digital beamforming techniques on receive, different transmitting waveforms can be separated and extracted from mixed echoes, so that such enhanced architecture can achieve the advantages of both bistatic and MIMO configuration from more spatial degrees of freedom.
23200 此外,通过对获取的不同波形图像数据做波束形成处理,该系统能够减轻 2 次散射干扰回波对 SAR 图像的影响。 Furthermore, it offers an opportunity for mitigating the influences of double-bounce scattering by using beamforming on multiple SAR images.
23201 仿真实验验证了该系统方案的有效性。 The theoretical analysis is derived in detail, then validated by simulation experiments.
23202 利用非授权频段频谱资源提升网络容量需要有效地解决 LTE(Long Term Evaluation)与 WiFi 的共存问题。 In order to efficiently utilize the unlicensed band to improve the network capacity, it is necessary to solve the problem of the coexistence between Long Term Evaluation (LTE) and WiFi.
23203 最近,学术界和工业界相继提出了授权频段辅助接入机制和双模微基站技术提升蜂窝通信系统容量。 Licensed-Assisted Access (LAA) and the Dual-Band Femtocell (DBF) which can access both the licensed and unlicensed bands are proposed recently.
23204 考虑双模微基站与 WiFi 接入点覆盖范围存在部分重叠场景,该文提出一种新的双模微基站非授权信道接入机制及联合授权非授权的优化频谱资源分配方案。 In this paper, considering the case that a DBF partly overlaps with just one WiFi Access Point (AP), a novel DBF unlicensed channel access mechanism is proposed. Then, the optimal traffic balancing scheme over licensed and unlicensed bands considering the effect of coverage overlap is developed.