引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。
A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.
提出了一种应用小波变换提取分类特征的基于支撑矢量机的通信信号调制识别方法。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
本文基于三维离散余弦变换(3D-DCT)技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
NAT对内网主机的出网数据包进行网络地址变换,内网主机可以使用保留地址上网,外网主机无法直接访问内网主机,从而实现单向通信。
NAT would do network address translation for outbound packet so that inside hosts can use reserved IP addresses and outside hosts can not visit inside ones directly to realize one-way communication.
该算法基于通信源信号的统计特性,利用数学上通过矩阵初等变换实现矩阵对角化的原理对MIMO信道矩阵实现了对角化。
This algorithm diagonalizes the MIMO channel matrix based on the statistics of the source signals by using the elementary matrix transformation in mathematics.
偏振控制器PC是高速光纤通信系统研究中一个非常重要的器件,它可以将任意的输入光偏振态变换为任意形式的输出光偏振态。
PC, a key element in high rate optical fiber communication system, changes any input light polarization state into any desired output light polarization state.
快速哈达玛变换(FHT)是数字信号处理中的基本变换之一,在移动通信、多媒体编解码中得到了广泛的应用。
Fast Hadamard transform (FHT) is a basic transformation in digital signal processing, which is widely used in mobile communications and Multimedia coding.
结合快速傅里叶变换(FFT)技术,可获得通信线上各点的时域暂态横向电压。
The transverse voltage in time domain can be obtained from that in frequency domain by means of FFT.
这种分离模块的开发不适应迅速变换的移动通信市场,难以升级和维护。
The development of such separate modules cannot meet the needs of the fast development of the mobile communication market and is difficult to update and maintain.
此方案无须要求通信系统具有能实现宽窄波束变换的光学系统,也不用预先解决收发天线共用的问题。
Adopting this plan, it needs not to change beamwidth and there needs no common optical sys-tem for receiving and transmitting.
本文给出了群变换方法构成的BCH编码在超宽带通信系统中的误码率仿真结果。
In this paper, we give the simulation results of bit error rate based on group counterchange method for BCH codes in UWB communication system in the condition of AWGN channel.
根据原移动IP协议,移动节点每次变换了转交地址,都必须向家乡代理和通信对端重新绑定。
According to original mobile IP protocol, each time mobile node changes its Foreign Agent, it must register to its Home Agent and correspondent node again.
小波变换是信号的时间-频率分析方法,它具有多辨分析的特点,它能有效地检测和识别跳频信号,在跳频通信中有极其重要的作用。
To analyze and detect the feature of frequency hopping signal exactly is a crucial prerequisite to carrying out disturbance to follow the track of signal.
该文提出一种基于门限估计的直接序列扩频(DS - SS)通信系统窄带干扰变换域抑制方法。
This paper proposes a method for narrowband interference suppression in Direct Sequence Spread System (DS-SS).
目前,扩频通信窄带干扰的抑制技术主要有时域抑制和变换域抑制。
At present, narrowband interference suppression technologies in time domain and transform-domain are widely studied.
目前,扩频通信窄带干扰的抑制技术主要有时域抑制和变换域抑制。
At present, narrowband interference suppression technologies in time domain and transform-domain are widely studied.
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