...联合估计检测；广义空间迭代期望最大化算法；改进球形译码算法；信道估计[gap=1495]Key words: MIMO-OFDM; joint estimation and detection; SAGE algorithm; improved sphere decoding algorithm; channel estimation..
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joint detection and estimation 联合检测与估计
To improve the algorithm convergence, EM-based joint channel parameters estimation and data detection algorithm is proposed.
为进一步提高算法的收敛速度，提出联合信道参数估计和数据检测算法。
Based on joint time and frequency offset estimation, a reliable signal detection scheme is obtained by modulated pilot symbols using an m-sequence.
方案利用时频联合估计来得到可靠的信号检测，并从导频符号估计时间和频率偏移。
The key techniques include disparity 'estimation, occlusion detection, disparity compensated difference coding and joint estimation of disparity and motion.
核心技术有视差估计、遮挡检测、立体残差图像编码、运动和视差的联合估计等。
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