Simulation results show that the proposed scheme has higher compression ratio and performs well on channels with high bit error rate(BER).
模拟结果表明新方案压缩比高,在较高的传输误码率情况下,表现出良好的抗误码能力。
The transmission quality of DWDM system is affected by the damages from linear and nonlinear effects so the ratio of optical signal to noise is reduced and the bit error rate is increased.
DWDM系统的传输质量受到线性和非线性两类效应引起的损害影响,导致光信号噪声比下降,误码率增大。
The results show that the Bit Error Rate (ber) has the most important effect on the ratio, while the number of channels and network nodes are following, and the traffic of nodes has the least impact.
结果表明,信道误码率对节点建链成功率影响最明显,信道数量和网络节点数次之,节点业务量对建链影响最小。
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。
Through the computer model curve, we may clearly obtain the corresponding signal to noise ratio the bit error rate value.
通过计算机的模拟曲线,可以清楚得出对应信噪比的比特误码率值。
Our simulation experiments show that the bit-error-ratio (BER) of these new detectors is much lower than that of decorrelation, minimum mean-squared error and multistage detectors.
仿真实验显示,本章提出的五种检测器算法的误码率均远低于已有的解相关、最小均方误差和多级多用户检测器。
Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.
模拟结果表明,该方法比一般的载波干扰比功率控制方法性能更优,可获得更低的误码率和更高的信道容量。
The bit error ratio (BER) of the system over weak turbulence based on adaptive filter is below 10 ~ (-8), which can satisfy the communication requirement.
在弱湍流情况下,基于自适应最小均方滤波器的系统误码率(BER)低于10 -8,可以满足网络通信的要求。
Subsequently, the received power and bit error ratio are calculated, the results show that the parameters design of communication link can meet the demand of the bit error ratio.
然后对接收功率及比特差错率进行了计算分析,结果表明通信链路参数设计满足比特误码率要求。
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。
This paper presents a design for bit error ratio tester of DVD mother disc using FPGA.
本文提出了一种利用FPGA来实现DVD光盘母盘误码率检测的仪器设计。
According to request of real time and reliability in national protective relaying signals transmitting standard, the paper discusses how to reduce transmission delay and bit error ratio.
根据国家颁布的继电保护通道标准中对实时性、可靠性方面的要求,重点讨论了如何改善传输时延和误码性能。
The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
定量分析了星载合成孔径雷达(SAR)原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响;
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。
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。
The effects of optical filter bandwidth on the received signal quality are discussed by analyzing bit error rate (BER) and contrast ratio performances.
通过分析比特错误率和对比性能讨论了光学滤波带宽对接收信号质量的影响。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
采用平均最小自由欧氏距离估计误比特率,得到误比特率的封闭式表示,通过计算机模拟,在高信噪比情况下,这种估计方法与实际情况非常接近。
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 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。
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。
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 demodulated SINAD of AM and FM satisfies the demand of module and system, as well as the bit error ratio(BER) of MSK.
模块级和系统级的测试表明,AM、FM的解调音频信纳比和MSK的误码率均满足系 统设计要求。
The process-gains of the general receivers of DS/SS can't satisfy a low bit-error-rate if the signal-noise-ratio of input signal is very low.
在输入信噪比极低的直序扩频系统中,常规的接收机获得的处理增益难以满足系统低误码率的要求。
The process-gains of the general receivers of DS/SS can't satisfy a low bit-error-rate if the signal-noise-ratio of input signal is very low.
在输入信噪比极低的直序扩频系统中,常规的接收机获得的处理增益难以满足系统低误码率的要求。
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