Research On Detection Algorithm Of MIL-STD-188-110C Burst In Wideband HF Channel

Shortwave technology has made great progress up to now.With the development of electronic and communication technology,the traditional shortwave system is changing to high-speed and wideband.Nowadays,the highest bandwidth of HF communication has been extended to 24 kHz,and broadband HF communication is becoming a hot spot in the field of HF research.In this paper,the newly issued US military standard MIL-STD-188-110 C,is deeply studied and compared with the earlier US military standard MIL-STD-188-110 B,and the improved part is studied.On this basis,the acquisition algorithm of MIL-STD-188-110 c waveform under wideband condition is studied,and the scheme of signal wideband acquisition and detection is given.For the research of the protocol,the key technologies such as the redesigned frame structure,the new selection of synchronous preamble,the scrambling of the sequence,the shaping filter and the waveform modulation are discussed.Aiming at the research of signal acquisition algorithm under wideband condition,the key techniques used in synchronous reception are discussed.In the realization of the algorithm,the processing software is mainly written based on c language,and the simulation results in laboratory show that the algorithm can capture the MIL-STD-188-110 c waveform effectively under the condition of wide band.The research and implementation of shortwave wideband data transmission system is huge and complex.This research only involves the research of signal acquisition algorithm.The next step will be further research on channel equalization decoding diversity reception and channel research.