1) spectrum of direct spread signal
![点击朗读](/dictall/images/read.gif)
直扩信号频谱
2) spread spectrum signal
![点击朗读](/dictall/images/read.gif)
扩谱信号
1.
This paper analyses the feature of radar spread spectrum signal,in view of the reconnaissance and reception of pulse compressing linear frequency modulation(LFM)signal and phase-coded signal,puts forward improving on traditional electronic reconnaissance receiver,this method is of great extension value in engineering applications.
分析了雷达扩谱信号的特征,针对脉压线性调频信号、相位编码信号的侦收问题,提出了在传统电子侦察接收机上进行改进,在工程应用方面具有很大的推广价值。
4) direct sequence spread spectrum signal
![点击朗读](/dictall/images/read.gif)
直扩信号
1.
In order to solve the problem of direct sequence spread spectrum signal s check and recognition,a blind estimate algorithm is proposed,it based on cyclic spectrum theory and matrix transform.
为了解决正确检测和识别直扩信号的问题,提出一种基于循环谱理论和矩阵变换法的盲估计算法。
5) DS-SS signal
![点击朗读](/dictall/images/read.gif)
直扩信号
1.
How to acquire the pseudo-random code type of DS-SS signals is an important problem in obtaining the information from the DS-SS signals.
如何准确获得直扩信号中的伪码码型是解决直扩信号侦收的关键。
6) DS signal
![点击朗读](/dictall/images/read.gif)
直扩信号
1.
The cyclostationary property of multipath DS signals is analyzed,the expressions of both the cyclic correlation function and cyclic spectrum are deduced,and a novel parameter estimation algorithm of DS signals is presented based on cyclic spectrum amplitude.
分析了多径直扩信号的循环平稳特性,推导了其循环相关函数和循环谱表达式。
2.
DS signal is a second order cyclostationary signal.
![点击朗读](/dictall/images/read.gif)
直扩信号是二阶循环平稳信号,根据谱相关分析方法,利用直扩信号非零循环频率处的谱线特征,可将直扩信号从噪声背景中检测出来。
3.
Based on this theory, the paper puts forward the DS signal detection method in non-cooperative communication.
基于该理论,提出了非协作通信中直扩信号检测方法,最后利用MATLAB工具对该方法进行仿真,验证了其可行性。
补充资料:贬江陵途中寄乐天、杓直、杓直以员外郎判盐
【诗文】:
想到江陵无一事,酒杯书卷缀新文。紫芽嫩茗和枝采,
朱橘香苞数瓣分。暇日上山狂逐鹿,凌晨过寺饱看云。
算缗草诏终须解,不敢将心远羡君。
【注释】:
【出处】:
全唐诗:卷412-33
想到江陵无一事,酒杯书卷缀新文。紫芽嫩茗和枝采,
朱橘香苞数瓣分。暇日上山狂逐鹿,凌晨过寺饱看云。
算缗草诏终须解,不敢将心远羡君。
【注释】:
【出处】:
全唐诗:卷412-33
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条