This adaptive channel tracking method can overcome deep attenuation and AWGN noises effectively due to several blocks of symbol are considered simultaneously.
这种方法由于在信道跟踪时，同时利用了多个块符号的信息，可以有效克服噪声和深衰落的影响。
Even in the badly wireless channel environment the proposed tracking method can track considerable blocks of symbol and there is no need for channel acquisition again.
即使在恶劣的无线移动信道下，该跟踪方法仍然能够跟踪相当长信息符号块而无需重新捕获。
A new blind symbol timing-tracking algorithm is proposed, using the special OFDM frame structure with cyclic prefix and cyclic postfix.
利用具有循环前缀和循环后缀的OFDM帧结构，该文提出了一种新的符号定时跟踪盲估计算法。
The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator and so on.
接收部分主要是扩频系统的数字下变频、积分清洗、匹配滤波器解扩、功率检测、符号跟踪、差分译码等技术。
In the initiation phase, a pilot symbol sequence designed is capitalized to assure frame-level acquisition and pulse-level tracking.
在初始阶段， 通过设计导频序列，以实现帧级的捕获和脉冲级跟踪；
In the initiation phase, a pilot symbol sequence designed is capitalized to assure frame-level acquisition and pulse-level tracking.
在初始阶段， 通过设计导频序列，以实现帧级的捕获和脉冲级跟踪；
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