本文選題：透地?zé)o線通信 + 語音壓縮��； 參考：《山西煤炭》2015年06期

【摘要】：針對礦井透地?zé)o線通信中語音傳輸存在的噪聲干擾大、傳輸信道窄、實(shí)際傳輸距離有限等特點(diǎn),通過比較現(xiàn)階段的語音壓縮技術(shù),提出增量調(diào)制(delta modulation,DM)及其改進(jìn)方案自適應(yīng)增量調(diào)制(adaptive delta modulation,ADM)不適宜作為透地?zé)o線通信語音壓縮的壓縮編碼方案;語音壓縮感知(Compressed Sensing)作為一種新近提出的壓縮編碼方案,能夠以遠(yuǎn)低于奈奎斯特采樣速率采樣壓縮信號,雖然語音重建質(zhì)量有限,編碼復(fù)雜,技術(shù)難度高,目前不適宜作為透地?zé)o線通信語音壓縮編碼的方案,但是可能成為未來無線通信壓縮技術(shù);碼激勵(lì)線性預(yù)測CELP(Code Excited Linear Prediction coding)比較適合作為透地?zé)o線通信語音壓縮編碼方案。
[Abstract]:In view of the characteristics of large noise interference, narrow transmission channel and limited actual transmission distance in the wireless communication of underground mine, this paper compares the current speech compression technology. In this paper, delta modulation (DM) and its improved scheme, adaptive incremental modulation (adaptive delta), are proposed, which are not suitable for speech compression in transmissive wireless communications, and speech compression sensing is a newly proposed compression coding scheme. Being able to sample compressed signals at a rate far below Nyquist sampling rate, although the quality of speech reconstruction is limited, the coding is complex and the technology is very difficult, it is not suitable to be used as a scheme for speech compression coding in transmissible wireless communications at present. But it may become the future wireless communication compression technology, and Code excited Linear Prediction coding (CELP) is more suitable to be used as speech compression coding scheme for transmissible wireless communication.
【作者單位】： 喀什大學(xué)物理與電氣工程學(xué)院;
【分類號】：TD65;TN912.3

【參考文獻(xiàn)】

相關(guān)期刊論文 前3條

1 孫繼平;;礦井寬帶無線傳輸技術(shù)研究[J];工礦自動化;2013年02期

2 趙紅玉;陶晉宜;王園媛;陳sト，

本文編號：2082378