spectrum n. (pl. -tra ) 1.【物理學(xué)】譜,光譜;波譜;能譜,質(zhì)譜。 2.【無線電】射頻頻譜;無線電(信號)頻譜。 3.【心理學(xué)】(眼睛的)余像;殘像。 4.〔轉(zhuǎn)義〕范圍,幅度;(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽光譜。 a wide spectrum of opinion 意見的不同幅度甚大。
technology n. 1.技術(shù),工程,工藝。 2.制造學(xué),工藝學(xué)。 3.術(shù)語(匯編)。 science and technology 科學(xué)和技術(shù)。 the technology of sugar 制糖法。
Spread spectrum technology is used to improve the security of watermark sequences 采用擴(kuò)頻技術(shù)提高水印序列的安全性。
This paper introduces the application of the spread spectrum technology in communications 論文介紹了擴(kuò)頻技術(shù)在通信中的運(yùn)用。
The application status of near infrared reflectance spectrum technology in analyze of roughage feed 近紅外光譜技術(shù)在粗飼料分析中的應(yīng)用現(xiàn)狀
An application of spread spectrum technology in deep space tracking telemetering amp; amp; control tt amp; amp; c system 擴(kuò)頻技術(shù)在深空測控通信中的應(yīng)用
Analysis of volatile and semi-volatile components in cut tobacco by thermal desorption-gas chromatography-mass spectrum technology 氣質(zhì)聯(lián)用技術(shù)分析煙絲中揮發(fā)及半揮發(fā)性成分
In order to solve the problem of interference of power line, the spread spectrum technology is used in the system 同時,ssc(擴(kuò)頻載波)的引入較好地解決了電力線的干擾問題。
Now one of the mostly applications of spread spectrum technology is the popular cdma mobile communication system 目前,擴(kuò)頻通信技術(shù)的主要應(yīng)用之一就是流行的cdma移動通信系統(tǒng)。
At the same time, this algorithm takes good use of digital spread spectrum technology to embed the watermarking repeatedly 同時,在嵌入水印時利用了數(shù)字?jǐn)U頻技術(shù),對水印進(jìn)行多重嵌入。
The application of spread spectrum technology can increase dimension of signal in order to improve signal power and achieve code gain 擴(kuò)頻技術(shù)的應(yīng)用可以增加信號維數(shù)以提高信號功率也可獲得編碼增益。
At present, ferrous spectrum technology is a kind of wear monitoring technology which is widely used in oil-hydraulic grain analysis 摘要目前,鐵譜技術(shù)是一種廣泛使用的一項(xiàng)油液磨粒分析的磨損監(jiān)控技術(shù)。