chip rate 码片速率
- Firstly, delay-multiply signal can detect the chip rate and the carried frequency in the frequency domain through multi-autocorrelation.
首先对延时相乘信号进行多重自相关处理,在频域可以检测出信号的码片速率、载频。 - Based on the analysis of airborne SAR imaging process and result of ships on ocean surface, contrast optimum auto focus algorithm is applied to estimate ship's Doppler chip rate.
本文详细分析舰船运动对SAR成像的影响,对运动引起的二次相位误差应用分块对比度最优自聚焦算法进行补偿; - Following the spectral correlation theory and wavelet transform theory, a method named as wavelet spectral correlation method is proposed for BPSK signal detection and chip rate estimation.
在谱相关理论和小波变换理论的基础上,提出了小波谱相关方法实现BPSK信号检测与码元速率的提取。
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