spread-spectrum communications中文是什么意思

發(fā)音:

中文翻譯
造句

傳播光譜技術(shù)

spread vt. (spread) 1.伸開(kāi)，伸長(zhǎng)(手臂等)，展開(kāi) ...
spectrum n. (pl. -tra ) 1.【物理學(xué)】譜，光譜；波 ...
communication n. 1.通訊，通知；交換；信息；書(shū)信，口信，通報(bào)。 2 ...
spectrum spread 頻譜擴(kuò)展
spread spectrum 擴(kuò)頻,擴(kuò)展頻譜; 展布頻譜; 展頻
spread-spectrum 擴(kuò)展頻譜
direct sequence spread spectrum 直接序列擴(kuò)頻直接序列擴(kuò)頻; 直接序列散譜; 直接序列展頻技術(shù)
dsssdirect sequence spread spectrum 直接序列擴(kuò)展
frequency hopping spread spectrum 跳頻擴(kuò)頻; 跳頻展頻技術(shù)
frequency-hopping spread spectrum 跳頻擴(kuò)展頻譜; 跳頻展頻
hybrid spread spectrum 混合擴(kuò)頻
spread spectrum communication 擴(kuò)頻通信; 微波擴(kuò)展頻譜通信
spread spectrum communication system 擴(kuò)展頻譜通信系統(tǒng)
spread spectrum modulation 擴(kuò)展頻譜調(diào)制
spread spectrum modulation ssm 擴(kuò)頻調(diào)制
spread spectrum modulation technique 展布頻譜調(diào)制技術(shù)
spread spectrum multiple access 擴(kuò)展頻譜多址; 展布頻譜多址
spread spectrum pseudo noise 擴(kuò)展頻譜偽噪聲
spread spectrum radio 展頻無(wú)線電
spread spectrum random access 擴(kuò)展頻譜隨機(jī)選址
spread spectrum signal 擴(kuò)散頻譜信號(hào); 擴(kuò)展頻譜信號(hào)
spread spectrum systems 分散光譜系統(tǒng)
spread spectrum technique 擴(kuò)展頻譜技術(shù); 展布頻譜技術(shù)
spread spectrum titransmission 展布頻譜傳輸
spread spectrum transmission 寬頻帶傳輸; 擴(kuò)展頻譜傳輸; 展開(kāi)光譜傳輸

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例句與用法

Spread - spectrum function of spread - spectrum communication system
擴(kuò)頻通信中的擴(kuò)頻函數(shù)
Application of avalanche transistor in spread - spectrum communication
雪崩三極管在擴(kuò)頻通信中的應(yīng)用
Analysis of processing gain in spread - spectrum communication system
擴(kuò)展頻譜通信系統(tǒng)處理增益的分析
The designing of super - regenerative theory - based broadband receiver for direct - sequence spread - spectrum communication system
通信系統(tǒng)中基于超再生技術(shù)的新型寬帶接收機(jī)的設(shè)計(jì)
Spread - spectrum communication is one of the communication mode , which has vast vista and is widely used in military communication and in civil communication
擴(kuò)展頻譜通信是具有廣闊發(fā)展前景的通信方式之一，并廣泛應(yīng)用于軍事通信和民用通信中。
Combining walsh sequence with direct spread spectrum sequence , we can construct hybrid ds - fh spread - spectrum communication mode . this is very important for the mode to have better performance on anti - multiple - access inference and anti - near - far inference
將walsh函數(shù)序列與直接擴(kuò)頻序列相結(jié)合構(gòu)成的ds - fh混合擴(kuò)頻通信方式對(duì)于系統(tǒng)抗多址干擾和遠(yuǎn)近效應(yīng)具有重要意義。
In spread - spectrum communication positioning system , the multi - path signal is always existing and unable to be eliminated . how to extracting its multi - path rapidly and real - timely is one of the key techniques in mobile communication positioning system
在擴(kuò)頻通信定位系統(tǒng)中,多徑信號(hào)是一個(gè)普遍存在而又難以消除的干擾,如何實(shí)時(shí)有效的估計(jì)和提取多徑干擾分量是提高移動(dòng)通信定位精度的關(guān)鍵技術(shù)之一。
This paper presented a general systematic view of the power - line data transmission through ssc ( spread - spectrum communication ) technology . furthermore , it put forward two application schemes in the automatic reading ammeter system
系統(tǒng)、全面地介紹了電力線載波通訊技術(shù)的特點(diǎn)、應(yīng)用及發(fā)展?fàn)顩r，并對(duì)目前的電力線載波通訊芯片進(jìn)行了比較；同時(shí)，也提出了電力線載波通訊技術(shù)運(yùn)用在遠(yuǎn)程自動(dòng)抄表系統(tǒng)中的應(yīng)用方案。
Ds / fh hybrid spread - spectrum communication system base on software radio is researched in theory . performance of the system is analyzed and evaluated in anti - jamming by software simulation . so it testify feasibility of the system
本課題針對(duì)這方面作了詳細(xì)地討論，就基于軟件無(wú)線電技術(shù)的ds fh混合擴(kuò)頻通信系統(tǒng)從理論方面進(jìn)行了研究，通過(guò)仿真，對(duì)系統(tǒng)在抗干擾方面的性能作了分析，并進(jìn)行了性能評(píng)估，從而驗(yàn)證了系統(tǒng)的可行性。
This paper researches the integrating application of adaptive antenna array technology , spread - spectrum communication technology and transform - domain filter technology in shortwave communication area , basing on the background of improving on the shortwave communication equipments being used in chinese army , and all the key techniques mentioned above are implemented in a single fpga chip
本文以改造我軍現(xiàn)役短波通信設(shè)備為背景,研究了自適應(yīng)天線陣技術(shù)、擴(kuò)頻通信技術(shù)、變換域?yàn)V波技術(shù)等多種現(xiàn)代數(shù)字信號(hào)處理技術(shù)在短波通信中的綜合應(yīng)用,并以單片超大規(guī)模fpga芯片為硬件處理平臺(tái),對(duì)系統(tǒng)中的關(guān)鍵技術(shù)進(jìn)行了設(shè)計(jì)與實(shí)現(xiàn)。

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