1) additive white Gaussian noise
加性白高斯噪声
1.
An improved fractal image denoising algorithm for removing additive white Gaussian noise(AWGN) was presented by adopting quadratic gray-level function.
提出了一种针对加性白高斯噪声(AWGN)的改进分形图像去噪方法。
2.
Investigations on principle of Monte Carlo simulation was made when considering characteri-(stics) of AWGN(additive white Gaussian noise) channel and the affects of three suitable parameters: error number,confidence probability and max relative error of simulation result.
研究了蒙特卡罗仿真原理和仿真结果置信度;结合AWGN(加性白高斯噪声)信道特点,甄选出3个合适的参量,即误码个数、置信概率和仿真结果最大相对误差;提出了AWGN信道下仿真数据量选取的一般性结论,即误码个数正比于置信区间上分位点的平方、反比于最大相对误差的平方。
2) additive white Gaussian noise
加性高斯白噪声
1.
The analysis procedure of AWGN(additive white Gaussian noise) through noisy linear circuits is given in detail using the theory of equivalent computation of noise power density.
从噪声功率谱的等效计算出发,给出了加性高斯白噪声通过有噪线性电路的分析方法。
2.
Simple closed-form expressions for the probability of error for nonuniform 16-differential amplitude phase-shift-key (DAPSK) signaling over an additive white Gaussian noise (AWGN) and Rayleigh fading channels are presented.
导出了加性高斯白噪声和Rayleigh衰落信道上非均匀16-DAPSK错误概率的简单闭合表达式。
3) AWGN
加性高斯白噪声
1.
In this paper,the character of Additive White Gaussian Noise(AWGN) cannels is analyzed.
重点研究了在脉冲位置调制、脉冲幅度调制和二进制相移键控调制方式下,接收机抗距离衰落和加性高斯白噪声性能。
2.
Fi- nally,the simulation result of BCH codes in AWGN channel is given.
阐述了DVB-S2中BCH码的编译码算法,讨论了通过C语言实现DVB-S2中BCH码软件编译码的关键问题和解决方法,给出了其在加性高斯白噪声信道中的性能仿真结果。
4) additive Gaussian white noise
加性高斯白噪声
1.
m sequences are used as spread spectrum sequences; Simulation of the biterrorrate(BER) performance of DS/CDMA multiuser systems in an additive Gaussian white noise channel is investigated by using MonteCarlo method and importance sampling technique.
采用 m序列作为扩频序列 ,利用蒙特卡罗方法和重要抽样技术对 DS/CDMA多用户通信系统在加性高斯白噪声信道下的误码率进行仿真研究。
5) AWGN channel
加性高斯白噪声信道
1.
Relations between bit error rate(BER) and average received signal-to-noise ratio(SNR) in AWGN channel are derived for π/4-DQPSK and 8DPSK modulations modes in Bluetooth 2.
0+EDR新规范π/4-DQPSK与8DPSK调制方式在加性高斯白噪声信道(AWGN)下的比特错误率与平均接收信噪比的关系,推导了ACL数据分组的广播重传概率与平均接收信噪比的函数表达式,提出了蓝牙2。
2.
The simulation system structure of Turbo codes to JPEG color image transmission over AWGN channels is presented in this paper.
本文给出了在加性高斯白噪声信道(AWGN)下Turbo码在JPGE彩色图像传输系统的结构,并简要分析了在该信道下Turbo码的LOG-MAP译码算法。
6) Additive White Gaussian Noise(AWGN) Channel
加性高斯白噪声(AWGN)信道
补充资料:白噪声
白噪声
white noise
白噪声[咖te俪se;6e几u曲川yM] 有常值谱密度(sPeet阁de招ity)的广义平稳随机过程(stationa理stochasticP联ess)X(t).白噪声的广义相关函数形如刀(r)二。’占(t),其中叮’是正常数而占(t)是吞函数.白噪声过程被广泛应用于描述有很小相关周期的随机扰动(例如“热噪声”—导体中由电子的热运动产生的电流强度的脉动).在白噪声的谱分解 x(。)一丁。!、!d:(、)中,其“基本振动”e“‘d:(又)在所有频率又处都有同样的平均强度;更确切些说,它们的平均平方振幅是 Eld:(洲2一兰以一二<伙二. 2兀这个谱分解意味着,对每一平方可积函数甲(t),
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条