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。
A method for tracking multiple targets based on measurement of target image centroid position and offset from image sequence is presented.
介绍了一种以目标形心位置和帧间位移测量的多目标跟踪方法。
It adopts auto adaptive step to track the frequency offset, so that it can shorten the AFC (Automatic frequency correction) tracking period and improve frequency precision.
新算法可以自适应地调节本振频率跟踪载波频率的阶距，从而很好地缩短了AFC的跟踪时间和改进了频率校正的精度。
In the system, we adopt a balance channel frequency offset structure, phase locked IF tracking technique and opened loop precorrection.
在系统结构上采用了平衡通道频率补偿技术、中频锁相跟踪技术和开环预校正技术。
By analyzing the variation of welding current, offset information obtained in order to achieve underwater seam tracking.
通过分析焊接电流的变化规律得到偏差信息从而实现水下焊缝跟踪。
This algorithm combines the block Pilot-aided LS channel estimation algorithm with a phase tracking algorithm, which can compensate the phase rotation caused by the residual carrier frequency offset.
该算法在传统的基于块状导频的Ls信道估计算法的基础上，加入了相位跟踪算法，补偿了由残余频偏带来的相位旋转。
Finally, left-right integral method was adopted to identify the welding torch offset. Obtained quite high recognition accuracy, builted a foundation for underwater welding seam tracking.
采用左右区间积分进行焊缝偏差识别，取得较高的识别精度，为水下焊接焊缝跟踪奠定了基础。
Being adding the offset, the tracking system will effect on the performance of trail radar in high elevation arc segment.
跟踪系统加入正割补偿后将对高仰角弧段雷达的跟踪性能产生影响。
Being adding the offset, the tracking system will effect on the performance of trail radar in high elevation arc segment.
跟踪系统加入正割补偿后将对高仰角弧段雷达的跟踪性能产生影响。
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