So it can generate enough PN sequence with good correlation property.
由此可以产生数量众多相关特性优良的伪随机序列。
The first two synchronization algorithms employing Barker code and PN sequence.
前两种同步算法使用了巴克码与PN序列来提高同步性能。
Secondly, the thesis has proposed the three frame synchronization algorithms employing the superimposing PN sequence.
其次，论文提出了三种并行PN序列帧同步算法。
Furthermore, this system lowers the data rate of each carrier branch, so it is easier to make PN sequence synchronized.
由于该系统降低了每个子载波上的数据速率，扩频序列更容易同步。
In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.
针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。
The first kind of the frame synchronization algorithm employs the correlation of the long PN sequence and the redundancy of the guard interval to produce the synchronization signal.
第一种帧同步算法直接利用了一个长PN序列产生相关并融合保护间隔的冗余特性获得同步信号。
In the system of spread-spectrum communication, the essential point of demodulating information is to ensure the synchronism of local PN sequence and PN sequence of received signals.
扩频通信系统中，保证本地产生的PN序列与接收信号中的PN序列完全同步，是正确解调信息的关键点。
Coarse channel estimates are based on a time-domain correlation of a pseudo-random number (PN) sequence with linear interpolation for the fine channel estimates over an OFDM block.
该方法使用伪随机(PN)序列时域相关进行信道粗估计，并在一个OFDM块内进行线性内插得到整个OFDM块内的信道细估计。
A new receiver structure was proposed for adaptive smart antennas in CDMA mobile communication systems, requiring only the knowledge of the desired user's pseudo noise (PN) code sequence.
利用码分多址(CDMA)系统中的用户伪随机(PN)码信息，提出了一种新的自适应智能天线结构。
The design of the PN code acquisition of the Direct Sequence Spread Spectrum(DSSS) system for a Unmanned Aerial Vehicle(UAV) TT&C System is described in this paper.
讨论一种用于某无人机直序扩频通信测控系统的PN码捕获方案。
The design of the PN code acquisition of the Direct Sequence Spread Spectrum(DSSS) system for a Unmanned Aerial Vehicle(UAV) TT&C System is described in this paper.
讨论一种用于某无人机直序扩频通信测控系统的PN码捕获方案。
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