Generations of sequences of waveforms
一种波形、序列的技术,应用在生成波形序列领域,能够解决不能够增加峰值自相关值等问题
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[0061] Description of preferred embodiments
[0062] The system structure according to the present invention will be described below. First, the type of interrogation signal used for such a system is mentioned.
[0063] figure 2 (a) shows an example of a basic pulse set that can be used to derive the interrogation signal used by the obstacle detection system according to the invention. The set consists of 11 pulses distributed over 106 positions; the minimum difference between pulse positions in the set is equal to 6 (positions 78 and 84). figure 2 (b) depicts the autocorrelation sequence of the group. This group satisfies the modified autocorrelation constraints described above. According to the group structure, the zero correlation region has a span of 5.
[0064] Randomly selected waveforms can be substituted for individual pulses. In the simplest configuration, the duration of each waveform for random pulse mapping is equal to Δ, the duration of each elementary pul...
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