A RFI suppression method is proposed by using random phase codes in the stepped-frequency GPR.
2．针对步进频率探地雷达提出随机相位编码抑制射频干扰的方法。
参考来源 - 探地雷达干扰抑制及波速估计问题的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A new kind of binary phase codes two frequency cascade PN intercepted codes (TFCPIC) is presented, and its signal processing is also discussed in detail.
本文提出了一种新的二相编码波形-双频级联pn截断码，并对其信号处理作了详细讨论。
The next phase of the JCC product is to define these error codes with an SQLSTATE and SQLCODE.
下一阶段的JCC产品将用SQLSTATE和SQLCODE来定义这些错误代码。
Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.
在此基础上，讨论了幅度系数比对幅度相位双差分空时码的影响，并给出了一种最佳的幅度系数选择方案。
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