The scheme USES pilot symbols to estimate the channel and improves the bit error performance of the system.
该方案使用的导频符号来估计信道,并提高了系统的误码性能。
Simulation results show that compared with fixed training interval schemes, the improved algorithm can achieve better BER (Bit Error Rate) performance while keeping lower system overhead.
与采用固定训练周期相比,该方法可以在保证比较低的导频开销的同时,使系统获得更好的误比特性能。
Power spectrum of GMSK and transmit eye patterns and bit error rate performance is given.
给出了GMSK信号的功率谱曲线,传输眼图与误比特率性能。
JTIDS has a good performance on bit error rate, it can tolerate a quite high information lose rate.
联合战术信息分布系统(JTIDS)具有良好的系统性能,能容忍比较高的信息丢失率。
Power allocation is adopted in the scheme to achieve better bit error rate (BER) performance and higher power efficiency.
最后引入功率配置来进一步改善系统误码率性能和提高功率效率。
The performance of synchronization tracking using pilot is analyzed, followed by a numerical method to determine the optimal lock loop parameters to minimize average bit error rate (BER).
分析了利用导频同步跟踪的性能,以及提出了一个数值方法确定最优环路参数以最小化误码率。
The simulation results show that the proposed method ensures Bit Error Rate (BER) performance and the cost of the feedback link, and the system throughput is improved effectively.
仿真结果表明,所提出的方法在保证反馈链路开销与系统误码性能的情况下,有效地改善了系统吞吐量。
But because of the influence of atmosphere, the scintillation caused by the atmosphere turbulence influences performance characteristics (bit error ratio) of the communication of system seriously.
大气湍流引起的光强闪烁会严重影响大气激光通信系统的性能,使误码率增加。
Simulation results show that the system has the ideal bit error rate performance and the high capability of multi-access interference, thus having a broad application future.
文中对新构建系统的误码率性能进行了分析,仿真结果表明,该系统具有理想的误码率性能,抗多址干扰能力强,具有非常广阔的应用前景。
System performance is evaluated by bit error rate (BER).
系统的性能由比特错误率(BER)来衡量。
The simulation of error bit rate performance for multi -channel and frequency -selective Rayleigh fading is carried out, and the simulation results show that the system is.
对在多用户和频率选择性瑞利衰落环境下的下行链路的误比特率性能进行了仿真,其结果表明系统是可行的。
If you make a bit error event, your good performance will be gone.
如果你稍微做错了一点点错事。你就会失去良好的形象。
Performance analysis shows that the decision arrangement can improve the bit error rate (BER) performance of the detector.
性能分析表明,判决排序改善了检测器的误码性能。
The test data of bit error rate and signal-to-noise ratio show that the performance of the receiver terminal is available, which guarantees the accuracy of the data after the forward error correction.
从比特误码率、信噪比等测试结果数据分析可知,接收终端的性能合格,经过前向纠错后可以保证用户数据的准确性。
The performance of minimum mean square error (MMSE) adaptive detector applied in CDMA system is analyzed in this paper. The signal model is set up, and the relevant bit error rate formulas are given.
文章主要分析了最小均方误差(MMSE)自适应检测器应用于CD MA系统的性能,建立了系统信号模型,给出了计算误码率的公式。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
The results show that while introducing smart antenna technology in wireless telemetry systems, it can efficiently raise signal-to-noise ratio and improve bit error rate performance of the system.
结果表明,在无线遥测系统中采用智能天线技术,能够有效地提高系统的信噪比,改善系统的误码性能。
Simulation results show that the technique can provide better image signal-to-noise rate performance over different bit error rates wireless channels.
在不同误码率的无线信道中的传输实验表明,此方案提供了更好的图像信噪比性能。
This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.
本文主要研究自适应调制技术的基础:信道估计技术、MQAM信噪比误比特率性能。
By simulating the modulation process using MATLAB, the influence of different power spectrum estimation algorithm to the bit-error-rate performance of the demodulation technique is analyzed.
通过Matlab仿真了调制解调过程,分析了三种功率谱估计算法对解调误码性能的影响。
Due to the complexity of the composite fading channel, a new simplified channel model is proposed to analyze the bit error ratio(BER)performance of the distributed antenna system(DAS).
针对复合衰落信道的复杂性,提出了一种简化的信道模型来研究分布式天线系统的误比特率性能。
Research shows that at the same transmit power and bit error rate performance requirements, the MIMO system relative to the Single-input, Single-output (SISO) system can support higher transfer rates.
研究显示,在同等传输功率和误码率性能要求下,多输入多输出(MIMO)系统相对于单输入单输出(SISO)系统能支持更高的传输速率。
The bit error rate performance for different channels are compared with each other. And the bit error rate performance curves are generalized to multiple receive antennas.
对不同信道做了误比特率性能的仿真比较,将误比特率性能仿真曲线的推广到多根接收天线的情况。
The result shows that this algorithm is better than that of constant bit rate distribution on the performance of error rate in the addition of reducing the transmission power of system.
结果表明,该算法在误码率性能上明显优于等比特分配算法,也减少了系统的传输功率。
This receiver is analyzed in theory and simulated in IEEE CM3 multipath channel. The results show that it has a better bit-error-ratio performance compared with a conventional ATR receiver.
经过理论分析和IEEECM 3多径信道仿真,结果表明该接收机的误码率性能优于一般A TR接收机。
The experiment results show that the proposed scheme can largely improve the error resilience of the scalable video bit stream and the performance of video streaming network transmission system.
实验结果表明该方案可大大增强分级视频数据的抗误码能力,明显改善视频流媒体的传输质量。
The transmitted signal can be amplified linearly in this platform, thus the system performance is enhanced in terms of nice signal transmission and low bit error ratio.
该平台可以实现传输信号的线性放大,从而提高信号的传输质量,降低误码。
The video stream generated by the algorithm can be truncated arbitrarily at the bit level, and has nice performance in adapting the transmit channel and recoving from error.
算法产生的细粒度增强层视频码流能够在比特级任意截断,而且具备较强的信道适应能力和差错恢复能力。
The video stream generated by the algorithm can be truncated arbitrarily at the bit level, and has nice performance in adapting the transmit channel and recoving from error.
算法产生的细粒度增强层视频码流能够在比特级任意截断,而且具备较强的信道适应能力和差错恢复能力。
应用推荐