1) noise power statistic
噪声功率统计
1.
Motion detection and edge detection is adopted for noise power statistic and noise analysis.
该方法通过运动检测和边缘检测技术进行噪声功率统计和分析,选择性的利用中值滤波、均值滤波以及运动自适应滤波方法,对传感器输出图像进行了数字降噪处理。
2) noise power estimation
噪声功率估计
1.
Thereby a new unbiased FMT channel estimation algorithm grounded on channel noise power estimation was proposed.
鉴于此,提出了基于信道噪声功率估计的FMT无偏信道估计算法,利用估计值数据特点,完全消除了残余直流偏置,同时在接收端利用导频序列估计信道噪声功率,根据路径信噪比选择出受噪声干扰大而能量贡献小的多径分量并将其置零,降低了信道噪声对估计精度的影响,改善了信道估计性能。
2.
The main work described in this project is listed as follows:(1) By making use of the frequency autocorrelation characteristics of the TPS data, the PN codes and the coefficients of the sub-channels, a new noise power estimation method in Chinese DTTB systems is presented.
本论文在详细分析无线通信系统信道特性的基础上,结合我国数字电视地面广播传输标准系统自身特点,把数字电视信道状态信息估计由传统的信噪比估计化分为信道平均噪声功率估计和系统信道传输系数估计(即信道估计)两大部分,并提出了基于这两大部分参数估计的设计改进方法;在论文的最后部分,还详细给出了数字电视信道状态信息估计中的关键模块3780点FFT的硬件设计实现方法。
3.
In this paper,a modified algorithm of AWGN noise power estimation is proposed.
提出了一种改进的AWGN噪声功率估计方法,该算法利用信道估计模块得到的信道响应信息,从接收的总噪声中减去符号间干扰功率和多用户之间的信号干扰功率,从而准确估计AWGN信道的噪声功率。
3) pre-estimation of average noise power
噪声功率预估计
1.
Power-saving scheme for mobile Ad hoc networks based on pre-estimation of average noise power;
一种平均噪声功率预估计的自组网节能机制
4) Dicke radiometer
微波噪声功率计
5) Noise Power Spectrum Estimation
噪声功率谱估计
6) noise power
噪声功率
1.
An Analysis of the Video Noise Power and the Weighted Compression;
电视视频噪声功率与加权压缩分析
2.
This paper gives the ASE noise of fiber Raman amplifier with forward coupled equation,getting the losing of noise power brought by ASE noise,analyzing the relation between ASE noise power and attenuation of signal,as well as the length of fiber transmission.
通过此简化模型 ,得出了由ASE噪声引起的噪声功率损失 ,进而分析了ASE噪声功率与信号的衰减及传输距离的关
3.
In light of the fact that the noise power is affected by the change of the channel order,a novel algorithm is proposed.
根据噪声功率随信道阶数的变化特点,提出一种新的阶数估计算法。
补充资料：分布和特征量统计(见统计分析)
分布和特征量统计(见统计分析)
fenbu he tezhengliang tongjj分布和特征量统计见统计分析。
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