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code
- 随机产生长度大于1000的‘0’、‘1’信号序列,对其进行BPSK,QPSK,16QAM调制,给出: 1)低通滤波器后的波形(只画10个周期); 2)信号眼图,对其进行讨论(画出5个信号周期); 3)信号带内、带外功率谱密度(低通滤波器参数自定),并对其进行讨论。 -Generated OVSF code
baseband
- 数字基带仿真,包含基带数字信号及功率谱,眼图等信息。-simulation of baseband
pgj
- 利用自相关函数法和周期图法实现随机信号的功率谱估计-Use of the autocorrelation function and periodogram method to achieve random signal power spectrum estimation
zuixiaoercheng
- 本程序具体描述了利用最小二乘算法对混合信号进行AR参数和其功率谱估计。-This procedure describes the use of least square algorithm for mixed signal AR parameter and its power spectrum estimation.
zongtizuixiaoercheng
- 本程序具体介绍了利用总体二乘算法对含有两个正弦信号和高斯白噪声信号的AR参数估计和其功率谱的估计。-This procedure introduced by overall two multiplication algorithm for containing two sinusoidal signal and the Gauss white noise signal AR parameter estimation and its power spectrum estimation.
Untitled3
- 令信号长度为N=256,试分别用BT法和周期法估计产u(n)功率谱-So that the signal of length N = 256, respectively, the estimated production test u (n) the power spectrum with BT and Cycle Methods
Untitled5
- 令信号长度为N=256,用Levinson-Durbin迭代法解16阶AR模型的功率谱,程度可用-So that the signal of length N = 256, 16-step solution of the power spectrum of the AR model using Levinson-Durbin iterative method, the extent of the available
waterfill.m
- 功率分配中的注水算法, 基本原理: 信噪比(即信号功率谱与噪声功率谱之和)为常数时,系统才能达到总信道容量最大的要求。 当SNR很大时,Pi等功率分配,注水算法功效消失。 在功率分配的问题中,只有满足注水定理时,才能达到信道容量最大化。 也就是说信噪比大的信道分得的功率多,信噪比小的信道分得的功率少。 使用拉格朗日乘子分配信道功率Pi使得信道容量最大。-The water fill algorithm for power allocation, basic principle
phase_noise_model
- 相位噪声仿真模型,包括其功率密度谱分布,以及对信号的性能影响。(phase noise model, include power density distribution, impairment to signal performance.)