spread-spectrum中文是什么意思

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中文翻译
造句

扩展频谱

spread vt. (spread) 1.伸开，伸长(手臂等)，展开 ...
spectrum n. (pl. -tra ) 1.【物理学】谱，光谱；波 ...
spectrum spread 频谱扩展
spread spectrum 扩频,扩展频谱; 展布频谱; 展频
direct sequence spread spectrum 直接序列扩频直接序列扩频; 直接序列散谱; 直接序列展频技术
dsssdirect sequence spread spectrum 直接序列扩展
frequency hopping spread spectrum 跳频扩频; 跳频展频技术
frequency-hopping spread spectrum 跳频扩展频谱; 跳频展频
hybrid spread spectrum 混合扩频
spread spectrum communication 扩频通信; 微波扩展频谱通信
spread spectrum communication system 扩展频谱通信系统
spread spectrum modulation 扩展频谱调制
spread spectrum modulation ssm 扩频调制
spread spectrum modulation technique 展布频谱调制技术
spread spectrum multiple access 扩展频谱多址; 展布频谱多址
spread spectrum pseudo noise 扩展频谱伪噪声
spread spectrum radio 展频无线电
spread spectrum random access 扩展频谱随机选址
spread spectrum signal 扩散频谱信号; 扩展频谱信号
spread spectrum systems 分散光谱系统
spread spectrum technique 扩展频谱技术; 展布频谱技术
spread spectrum titransmission 展布频谱传输
spread spectrum transmission 宽频带传输; 扩展频谱传输; 展开光谱传输
spread-spectrum communications 传播光谱技术
spread-spectrum technology 展频技术

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例句与用法

Spread - spectrum communication is one of the communication mode , which has vast vista and is widely used in military communication and in civil communication
扩展频谱通信是具有广阔发展前景的通信方式之一，并广泛应用于军事通信和民用通信中。
A new hybrid spread - spectrum ( ds - fh ) communication mode is discussed in detail in this paper , walsh sequence is used as frequency - hopping sequence in this mode
本文将讨论一种新型的ds - fh混合扩频通信系统。在这种系统中，使用walsh函数序列作为跳频序列。
Bandwidth effect provided by w - ofdm technology is far better than that of spread - spectrum cdma . therefore , w - ofdm is a basic technology for next - generation high - speed wireless data network
W ofdm技术提供的带宽效益远比扩频的cdma优胜，是下一代高速无线数据网络的基础技术。
And what we do in this paper is to put forward an effective algorithm to estimate the sub - chip multi - path component of spread - spectrum positioning system with space - modulation and put it into practice
为此,本文针对时空调制扩频定位系统给出一种有效的码片内多径估计的算法,并用gps扩频系统的多径信号进行多径估计验证。
Spread - spectrum ( ss ) technique has been widely used in military and civilian communications for its advantages , such as anti - jamming ( aj ) and low probability of detection ( lpd )
目前,扩频通信技术不仅在军事通信中被大量采用,还广泛应用于民用通信系统中。这是因为扩频技术具有抗干扰、隐蔽性好等优点,特别适合于无线移动通信环境。
The conventional single user detector matches the spread - spectrum codes for each user completely according to the classic theory of directe - sequences spread - spectrum ( ds - ss ) theory , so its ability to resist mai is poor
传统的单用户检测技术完全按照经典直接序列扩频理论对每个用户的信号分别进行扩频码匹配处理，因而抗mai能力较差。
This paper brings forward the idea that we can combine tame spread - spectrum technology and software radio technology in one military communication system . such system is compatible , and it is difficult to be jammed
本文提出了将软扩频技术和软件无线电技术相结合在同一军事通信系统中的观点，使系统同时具有较强的抗干扰和较好的兼容性。
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
将walsh函数序列与直接扩频序列相结合构成的ds - fh混合扩频通信方式对于系统抗多址干扰和远近效应具有重要意义。
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
在扩频通信定位系统中,多径信号是一个普遍存在而又难以消除的干扰,如何实时有效的估计和提取多径干扰分量是提高移动通信定位精度的关键技术之一。
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
系统、全面地介绍了电力线载波通讯技术的特点、应用及发展状况，并对目前的电力线载波通讯芯片进行了比较；同时，也提出了电力线载波通讯技术运用在远程自动抄表系统中的应用方案。