仿真结果表明,该跳频同步方案具有同步时间短,捕获概率高,虚警概率低和抗干扰能力强的特点。
The simulation results show that this method has the feature of short synchronization time, high capture probability, low false probability and high anti-jamming performance.
此方法回避了多维谱峰搜索和参数配对,克服了在短数据时离散傅立叶变换测频分辨率低和性能差的不足。
Without any spectral peak search and parameters pairing, the resulting method is computationally efficient with high resolution and small variance, even in the short data length.
快速跳频避免干扰可变的电源输出使干扰减小到最小采用短数据包传输增强抗干扰能力。
Fast frequency hopping avoids interference Adaptive output power minimizes interference Short data packets maximize capacity during interference.
本文提出一种新的扫频双六端口网络分析仪校准方法,具有校准时间短、对硬件要求低等优点。
A practical swept-frequency dual six-port ANA and its new calibration method are presented in this paper.
对同步性能进行了分析,结果表明该跳频同步方法同步时间短,捕获概率高。
The analytical results are given to show that the proposed scheme has better performance of synchronization time and probability of acquisition than other conventional scheme.
EMD方法是对非平稳、非线性信号进行分析的一种新的时频分析方法。它比小波分析等方法具有更强的特性并能准确地处理非常短的数据序列。
EMD method is a new method for analyzing nonlinear and non-stationary data, which has more advantage than wavelet analysis, and it can process short time series precisely.
采用短码携带同步信息,克服了快速跳频难以携带相关码的困难。
The synchronization information is carried by short code, which overcomes the difficulty of correlation code transmission in fast frequency-hopping.
结果显示,25 例室早中9例冠造阳性,41例频发室早中10例冠造阳性,18 例多源成对室早中12 例冠造阳性,5 例短阵室速全部冠造阳性。
The results showed:9 positive(of 25) in AVP group, 10 positive(of 41) in FV group, 12 positive(of 18) in MCVP group, 5 positive(of 5) in PVT group.
结果显示,25 例室早中9例冠造阳性,41例频发室早中10例冠造阳性,18 例多源成对室早中12 例冠造阳性,5 例短阵室速全部冠造阳性。
The results showed:9 positive(of 25) in AVP group, 10 positive(of 41) in FV group, 12 positive(of 18) in MCVP group, 5 positive(of 5) in PVT group.
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