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Y847565
- 提高卫星通信信道传输效率的新途径本 文 结 合 V SAT卫星通信系统设计中涉及卫星通信传输技术极为重要的 信道编码与调制解调方式,探讨了各种新型的卫星信道编码与调制解调技术, 它们的原理及在卫星通信中的应用。在数字调制中,信号传输质量主要取决于 比特差错率BER (Bit Error Rate),因此要尽可能采用相同的每比特信号能量与 噪声功率谱密度比(Eb/N.)的条件下,BER低的调制方式,以节省卫星功率 另外频带利用率要尽可能的高,以节省宝贵的卫星频带。本文还对各种
Burg_VC
- 介绍了现代功率谱估计中的B哩算法最大嫡谱估计的基本原理,并采用VC+十语言对 功率谱密度(鹅D)进行了仿真。同时比较了BI雌算法和经典谱估计中Bardett周期图法,针对Burg算法中的 模型阶次的选择进行了分析,提出了最佳模型阶次采用最终预报误差(I下E)为准则的结论。 -Introduction of modern power spectrum estimation algorithm B mile maximum entropy spectral estimation prin
1111
- 包括AM,DSB,SSB,LSB,FM,AM-FM等,实现后,显示时域波形和功率谱密度-including AM, DSB, SSB, LSB, FM, AM-FM, etc., we can show the time-domain waveform and power spectral density
non-Gaussian-noise-Identification
- 该文提出一种基于广义分数阶傅里叶变换和分数低阶Wigner-Ville 分布的数字调制识别新方法,该方法提取广义分数阶傅里叶变换的零 中心归一化瞬时幅度谱密度的最大值和分数低阶Wigner-Ville 分布幅度的最大值作为识别特征参数,并采用判决树分类器,实现了非高斯噪声下数字调制信号识别。-This paper presents a generalized fractional Fourier transform and fractional lower order Wigner-Vill
progream
- Gaussian noise refers to its obey gaussian probability density function (i.e., normal distribution) of the noise. If a noise, its amplitude distribution obeys the gaussian distribution, and its power spectral density is uniformly distributed, has des
ASD
- 所谓高斯噪声是指它的概率密度函数服从高斯分布(即正态分布)的一类噪声。如果一个噪声,它的幅度分布服从高斯分布,而它的功率谱密度又是均匀分布的,则称它为高斯白噪声。高斯白噪声的二阶矩不相关,一阶矩为常数,是指先后信号在时间上的相关性。高斯白噪声包括热噪声和散粒噪声。-Gaussian noise refers to its obey gaussian probability density function (i.e., normal distribution) of the noise. If
qwe
- 所谓高斯噪声是指它的概率密度函数服从高斯分布(即正态分布)的一类噪声。如果一个噪声,它的幅度分布服从高斯分布,而它的功率谱密度又是均匀分布的,则称它为高斯白噪声。高斯白噪声的二阶矩不相关,一阶矩为常数,是指先后信号在时间上的相关性。高斯白噪声包括热噪声和散粒噪声。-Gaussian noise refers to its obey gaussian probability density function (i.e., normal distribution) of the noise. If
wer
- 所谓高斯噪声是指它的概率密度函数服从高斯分布(即正态分布)的一类噪声。如果一个噪声,它的幅度分布服从高斯分布,而它的功率谱密度又是均匀分布的,则称它为高斯白噪声。高斯白噪声的二阶矩不相关,一阶矩为常数,是指先后信号在时间上的相关性。高斯白噪声包括热噪声和散粒噪声。 -Gaussian noise refers to its obey gaussian probability density function (i.e., normal distribution) of the noise.
analog-modulation
- 基本模拟调制及其功率谱密度函数,有图的仿真结果,可以比较直观的进行理解-The basic analog modulation and power spectrum density function, a simulation results, can be more intuitive to understand
PSD
- 计算导入火狐浏览器中的三轴加速器的数据的功率谱密度-Calculating the Power Spectrum Density
dtbkv
- 粒子图像分割及匹配均为自行编制的子例程,小波包分析提取振动信号中的特征频率,计算目标和海洋回波的功率谱密度。- Particle image segmentation and matching subroutines themselves are prepared, Wavelet packet analysis to extract vibration signal characteristic frequency, Calculating a target and ocean echo po
wk317
- 计算目标和海洋回波的功率谱密度,阐述了负荷预测的应用研究,数据模型归一化,模态振动。- Calculating a target and ocean echo power spectral density, It describes the application of load forecasting, Normalized data model, modal vibration.
mhifb
- 计算目标和海洋回波的功率谱密度,对信号进行频谱分析及滤波,包括回归分析和概率统计。- Calculating a target and ocean echo power spectral density, The signal spectral analysis and filtering, Including regression analysis and probability and statistics.
yainuiqeng
- 一种流形学习算法(很好用),是本科毕设的题目,计算目标和海洋回波的功率谱密度。- A fluid manifold learning algorithm (good use), The title of the commercial is undergraduate course you Calculating a target and ocean echo power spectral density.
jang-V8.2
- 仿真效果非常好,计算目标和海洋回波的功率谱密度,对信号进行频谱分析及滤波。- Simulation of the effect is very good, Calculating a target and ocean echo power spectral density, The signal spectral analysis and filtering.
dx565
- 非常适合计算机视觉方面的研究使用,窗函数法设计一个数字带通FIR滤波器,计算目标和海洋回波的功率谱密度。- Very suitable for the study using computer vision, A window function design FIR digital band-pass filter, Calculating a target and ocean echo power spectral density.
yui_hb72
- 计算多重分形非趋势波动分析,计算目标和海洋回波的功率谱密度,包含收发两个客户端程序。- Calculate the multifractal trend fluctuation analysis, Calculating a target and ocean echo power spectral density, Transceiver contains two client programs.
pthcx
- 计算目标和海洋回波的功率谱密度,包括调制,解调,信噪比计算,从先验概率中采样,计算权重。- Calculating a target and ocean echo power spectral density, Includes the modulation, demodulation, signal to noise ratio calculation, Sampling a priori probability, calculate the weight.
inkhn
- 计算多重分形非趋势波动分析,模式识别中的bayes判别分析算法,计算目标和海洋回波的功率谱密度。- Calculate the multifractal trend fluctuation analysis, Pattern Recognition bayes discriminant analysis algorithm, Calculating a target and ocean echo power spectral density.
nw704
- 插值与拟合的matlab实现,GSM中GMSK调制信号的产生,计算目标和海洋回波的功率谱密度。- Interpolation and fitting matlab implementation, GSM is GMSK modulation signal generation, Calculating a target and ocean echo power spectral density.