在高速传输系统如sdh中,需要用到并行扰码技术。
In high speed transmission system such as SDH, parallel scrambling technique is required.
在系统中,扰码器被第一算法编程设计为从内容中选择段。
In a system a scrambler is programmed with a first algorithm for selecting sections from the content.
扰码规划时可采用基于扰码组的规划方法使移动台快速搜索小区。
The planning method based on scrambling code groups can be adopted for mobile station to quickly search cells.
WCDMA目标小区搜索过程可以分为时隙同步、帧同步和扰码识别。
The cell search of WCDMA can be divided into slot synchronization, frame synchronization and scrambling code identification.
OFDM中的关于扰码器的个人设计的MATLAB的算法,比较经典的!
OFDM on the scrambler design of the personal MATLAB algorithm, more classic!
这种新序列可用于数字微波、光纤、卫星、移动通信中作为扰码器或加密器。
The new sequences can be used as the scramblers and descramblers in digital microwave communications as well as optical fiber, satellite and mobile communications.
第六章讨论了伪随机序列和数据扰码的特点,并给出了其ASIC实现方案。
Chapter six studies characteristics and implementations of pseudo-random sequence generator and data scrambling, and fulfills the de-scrambling function with ASIC.
CD MA通信系统接收机的初始同步包括PN码同步、符号同步、帧同步、和扰码同步等。
Initial synchronisms of CDMA communication system receiver include PN code sync, symbol sync, frame sync, sync of scramble code, and so on.
首先研究基本的发射机,包括卷积编码、交织、扰码、沃尔什调制、正交扩频以及基带滤波。
Firstly the basic transmitter, including convolutional encoding, interleaving, scrambling, Walsh modulation, quadrature spreading and baseband filtering was studied.
在图像通信中,扰码可以很好地抑制静态图像的抖动,能使数字传输系统对各种数字信息具有透明性。
Image communication, code can be used to inhibit the static image jitter; enable digital transmission system for all digital information is transparent.
通过WCD MA无线网络的扰码规划,可以确定两个使用相同扰码的小区的复用距离,区分各小区。
With scrambling code planning, the multiplex distance between adjacent cells using the same scrambling code can be determined and different cells can be distinguished.
考虑到频谱资源的价值,给出了两个改进的扰码方案,它们既可以起到复扰码的作用,也能大幅提升系统容量。
Considering the value of bandwidth resource, this paper gives two improved scrambled code ways which can both take the role of complex-scrambled code and increase the system capacity rapidly.
根据文中所述的方法,可以快速准确地求出数字通信中常用的循环纠错码及扰码器的并行算法及逻辑表达,并为其它类似数字信号编码问题的电路实现提出了新的解决思路。
We can resolve quickly and accurately the problem of parallel translation of CRC and scrambling by using this method, and offer a new idea for other digital signal code design.
提出了一种将线性多用户检测与发射分集相结合的新方法,该方法能在克服信道衰落的同时抑制多址干扰和码间串扰。
A novel approach is proposed for linear multi user detection in conjunction with transmit diversity to combat channel fading, multi user interference and inter symbol interference.
为了克服码间串扰所带来的信号畸变,必须在接收端增加均衡器,以补偿信道特性,正确恢复发送序列。
To overcome the signal distortion caused Crosstalk code, we must increase the equalizer in the receiver to compensate channel properties send resume correct sequence.
判决反馈均衡器(DFE)是对抗码间串扰isi的有效方法。
Decision feedback equalizer (DFE) is an efficient approach for combating against the isi.
在短波通信系统中,由于多径效应常常引起信道衰落,直接结果是码间串扰非常严重。
In shortwave communication system, Intersymbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
利用码间串扰量的度量准则,对不同的成形滤波函数研究了插值滤波器的参数优化估计及其抗时钟抖动性能。
By using the measure criterion of intersymbol interference, the parameter optimization and robustness of timing jitter of interpolation filter for a few kinds of shaping functions has been studied.
在OFDM系统中,时域均衡器用来抵消因循环前缀长度不足而引起的码间串扰。
Time-domain equalizer (TEQ) is an effective technique to combat ISI caused by inadequate circular prefix (CP) length in OFDM systems.
盲均衡器由于不需要训练序列,仅利用接收信号的统计特性就能对信道特性进行均衡,消除码间串扰,成为近年来通信领域研究的热点课题。
Because blind channel equalizer can reduce the intersymbol interference without the assistance of the transmitted sequence, it has been becoming a very popular research topic in recent years.
在无线通信系统中,信号在传输过程中由于多径效应和信道带宽的有限性以及信道特性的不完善性导致不可避免地产生码间串扰。
In radio communication system, because of multipath effect and the finity of channel bandwidth and incomplete channel, intersymbol interference (ISI) is inescapability during the data transfer.
信号在传输过程中由于受噪音以及多径效应的影响,所以到接收端会因传输过程中的各种原因影响造成码间串扰。
Because of the influence of noise and multiplex effect to signals in the transmitting process, serial interference appears in the receiver.
定时调整的目的是将具有最小码间串扰的信号采样值提供给判决器。
Timing correction serves to provide the decision device with signal samples with minimum intersymbol interference.
讨论了OFDM信号在无线信道传输过程中遇到的码间串扰(ISI)和符号间串扰(ICI)问题;
The problems discussed the ISI and the ICI occurred when the OFDM signal transmitted in the wireless channel.
现阶段信息隐藏算法大都采用信源数据作为载体,本文提出了一种基于RS码的有扰信道信息隐藏算法,该算法是将隐秘数据作为信道中的噪声嵌入到对信源的RS编码中。
This paper proposes a kind of algorithm on information hiding based on RS code in noise channel. The algorithm regards stegomessage as channel noise and embeds it in RS code.
均衡器通常用于解决数字通信中的码间串扰问题。
Equalizer is usually used for removing the intersymbol interference (ISI) in digital communication.
根据短波信道的特点,抗多径干扰是主要的一个议题,由多径效应引起的码间串扰严重影响了短波数据传输的质量,所以有效的消除码间串扰非常重要。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
根据短波信道的特点,抗多径干扰是主要的一个议题,由多径效应引起的码间串扰严重影响了短波数据传输的质量,所以有效的消除码间串扰非常重要。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
应用推荐