见右图： 无线信道构成： FCCH（频率校正） BCCH SCH（侦同步），读BSIC 码，BCC、NCC=0~7 BCCH3（系统信息）：LAC、CI、邻小区、各种参数 RACH（随机接入）：申请SDCCH 信...
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频率校正信道 FCCH ; FCCH Frequency Correction Channel ; Frequency Correction Channel FCCH ; Frequency Correcting Channel
频率校正电路 preaccentuator ; deaccentuator
频率校正器 frequency corrector
频率校正突发 frequency correction burst ; Frequency Correcti ; FB
频率校正突发脉冲序列 Frequency Correction Burst ; FB
突发频率校正 FB Frequency correction Burst
激光频率校正元件 laser frequency correcting element
自动频率校正器 automatic frequency corrector
频率校正参考 frequency-calibration reference
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侦察的方法包括：对频率校正信道的侦察采用了直接频谱分析法和通过同步信道训练序列的相关计算方法；
First, based on the characteristics of FCCH in GSM, analyzing the frequency spectrum and the correlation of SCH training sequence are two ways introduced to capture FCCH.
本方法能够降低不同频率校正量误差的影响，尤其减少了高频成分的损失，对提高资料分辨率有较好的效果。
The method can reduce influence of errors existing in statics for different frequency, especially reduce the loss of high-frequency components, so that has a good result in improving data resolution.
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。
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.
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