Frequency offset tracking is one of the key technologies that affect OFDM systems' performance.
频偏跟踪是影响到OFDM系统性能的关键技术之一。
The study shows that the algorithm can complete frequency offset tracking in AWGN channel and multipath fading channel.
研究表明，该算法既能在AWGN信道中也能在多径衰落信道中完成频偏跟踪工作。
According the calculation method of overlap joint's offset and height, the information was acquired and seam tracking was realized.
根据搭接焊缝偏中距离和焊缝高度的计算方法提取信息，实现焊缝的自动跟踪。
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