ID |
原文 |
译文 |
16965 |
之后,该文通过并行地预测缩小的文本区域图和完整的文本区域图来有效地区分相邻文本。 |
It then effectively differentiates adjacent texts by predicting both a reduced text area map and a full text area map in parallel. |
16966 |
其中前者可以保证不同的文本实例之间具有区分性,而后者能有效地指导网络优化。 |
The former can guarantee the distinction between different text instances, while the latter caneffectively guide the network optimization. |
16967 |
最后,为了提升文本检测的速度,该文提出一个快速且有效的后处理算法来生成文本边界框。 |
Finally, in order to improve the speed of text detection, it proposesa fast and effective post-processing algorithm to generate text boundary boxes. |
16968 |
实验结果表明:在相关数据集上,该文所提出的方法均实现了最好的效果,且比目前最好的方法在F-measure指标上最多提升了1.0%,并且可以实现将近实时的速度,充分证明了该方法的有效性和高效性。 |
The experimental results showthat: on relative datasets, the method proposed in this article achieves the best performance, and improves theF-measure index by 1.0% at most compared with the current best method, and can achieve near-real-timespeed, which proves fully the effectiveness and high efficiency of the method. |
16969 |
当信道存在时间-频率双选择性时,严重的子载波间干扰和子符号间干扰将导致广义频分复用(GFDM)系统性能显著下降。 |
The performance of Generalized Frequency Division Multiplexing (GFDM) systems significantlydegrades over time-frequency doubly selective channels due to the severe inter-carrier interference and inter-subsymbol interference. |
16970 |
为此,该文提出一种时间偏移GFDM系统(TO-GFDM),通过对传统GFDM系统的原型滤波器进行时间偏移,来提高双选择信道下GFDM系统的性能。 |
To this end, a Time-Offset GFDM (TO-GFDM) is proposed, which can improve theperformance of GFDM systems under doubly selective channel environment by introducing a time-offset to theprototype filter of conventional GFDM systems. |
16971 |
该文推导了GFDM信号在双选择信道中的平均信干比公式,并提出基于离散导频的联合迭代信道估计与符号检测算法, |
The average signal-to-interference ratio of GFDM systems indoubly selective channels is analytically derived, and a pilot-aided joint iterative channel estimation and symboldetection algorithm is proposed. |
16972 |
该算法利用信道估计器与串行干扰消除符号检测器之间的信息交换,逐步减小干扰信号,提高信道估计与符号检测的精度。 |
The proposed algorithm can progressively decrease the interference signal and improve the performance of channel estimation and symbol detection with the information exchanging between the channel estimation unit and the successive interference cancellation based symbol detection unit. |
16973 |
理论分析与仿真实验结果表明,在双选择信道条件下,时间偏移GFDM比传统的GFDM具有更高的平均信干比和误码率性能;并且,联合迭代信道估计与符号检测算法能有效降低系统误码率。 |
The results of theoretical analysis and simulation demonstrate that in doubly selective channels, the time-offset GFDM outperforms the conventional GFDM in terms of average signal-to-interference ratio and bit error rate, and the joint iterative channel estimation and symbol detection algorithm can reduce the bit error rate effectively. |
16974 |
单站多外辐射源雷达定位系统利用多组双基距(BR)和双基距变化率(BRR)量测值对多运动目标定位。 |
Single-observer Multi-illuminator radars localize multiple moving targets using multiple BistaticRange (BR) and Bistatic Range Rate (BRR) measurements. |