1) Polyphase-coded signal
多相位编码信号
2) phase-coded signal
相位编码信号
1.
The analysis of intra-pulse features of baseband phase-coded signals at lower SNR;
低信噪比下基带相位编码信号的脉内特征分析
2.
But the application area is restricted because phase-coded signal is Doppler sensitive.
相位编码信号是一种脉冲压缩雷达信号,它能够很好地解决作用距离和分辨能力之间的矛盾,具有抗干扰能力强、跟踪精度高等优点,因此在雷达系统中得到了广泛应用。
3.
This paper analyzes discontinuous spectra radar signal system,proposing a intra-pulse phase modulation and inter-pulses frequency hopping signal which combines phase-coded signals and frequency-hopping signals.
本文是对非连续谱雷达信号体制的研究,结合了相位编码信号和跳频信号提出一种脉内调相脉间跳频信号。
3) phase coded signal
相位编码信号
1.
Introducing the sidelobe suppression of the LFM signal and phase coded signal depending on windowing weighted,the paper also gives the correspondent simulations and compares their results.
本文主要研究了比较经典的直接加窗加权旁瓣抑制技术,并利用Matlab进行了仿真,给出了对线性调频信号和相位编码信号脉冲压缩旁瓣抑制的直接加窗加权法处理结果,得出了分析结论。
2.
This paper analyzes the binary-phase and multi-phase coded radar signals,applies the cumulant of complex envelope and matrix theory to process the phase coded signals,puts forward a new recognition method of phase coded signal,deeply discusses the method combining with the computer simulation,educes the conclusion that this method is provided with certain applicability.
分析了二相及多相编码雷达信号,应用复包络的累积量与矩原理对相位编码信号进行了处理,提出了一种新的相位编码信号的识别方法。
3.
There are two difficulties when applying the channelized receiver to intercept a broadband phase coded signal (PCS).
数字信道化接收机在侦收宽带相位编码信号时主要存在两个难点。
4) MCPC signal
多频多相编码(MCPC)信号
5) pseudo-random phase coded signal
伪随机相位编码信号
6) stepped-frequency polyphase code modulation signal
频率步进多相编码信号
补充资料：相位编码
相位编码
磁共振成像术语。磁共振成像中，为确定所选层面内自旋的位置，90°射频脉冲后间隔一段时间，在与层面选择梯度垂直的方向再施加一个梯度磁场(相位编码梯度)，使沿该梯度方向自旋的相对相位发生变化。磁场越强，自旋进动频率越快，因此较强磁场中自旋偏转的角度比较弱磁场中自旋偏转的角度要大。经层面选择后，相位编码和梯度编码可共同确定层面中自旋的位置。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条