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一种基于高阶累积量的数字调相信号识别方法
对当前通信信号中常用的数字调相信号BPSK、QPSK、1／4一QPSK、8PSK的调制识别问题，提出了一种基于信号差分高阶累积量的识剐算法。该算法分两个层次进行调制识别，首先利用信号的四阶累积量特征对BPSK、QPSK和{1／4一QPSK、8PSK}信号进行识别，然后再利用信号差分的四阶和八阶累积量特征对1/4-QPSK、8PSK信号进行识别。从理论上分析了的该算法的有效性，并通过计算机仿真验证了算法具有良好的性能。(A recognition algorithm based on differential high-order cumulant is proposed for the modulation recognition problems of BPSK, QPSK, 1/4-QPSK and 8PSK, which are commonly used in current communication signals. The algorithm is divided into two levels for modulation recognition. Firstly, BPSK, QPSK and {1/4-QPSK, 8PSK} signals are identified by using the fourth-order cumulant characteristics of signals, and then 1/4-QPSK and 8PSK signals are identified by using the fourth-order cumulant and eighth-order cumulant characteristics of signal difference. The validity of the algorithm is analyzed theoretically, and the good performance of the algorithm is verified by computer simulation.)
- 2020-06-21 09:40:02下载
- 积分：1
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firdesign
说明： 设计一个数字低通滤波器，来近似一个理想数字滤波器(Design a digital low-pass filter to approximate an ideal digital filter)
- 2021-04-16 01:08:54下载
- 积分：1
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BTC
wimax802.16e中的BTC编码仿真程序(WiMAX 802.16e in the BTC coding simulation program)
- 2020-11-06 11:29:50下载
- 积分：1
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cdf4mul4
MIMO信道容量的Matlab仿真程序,瑞利信道,得到的是CDF，即累计分布曲线(Matlab simulation program MIMO channel capacity, Rayleigh channel, get the CDF, and that the cumulative distribution curve)
- 2021-01-05 14:38:54下载
- 积分：1
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step_filter
HFSS 高低阻抗滤波器 5节，可调参数，优化(HFSS high and low impedance filter 5, adjustable parameters, optimization)
- 2009-12-19 09:45:30下载
- 积分：1
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BPSK
BPSK调制在高斯信道下的性能，误比特率和信噪比的曲线(BPSK modulation performance under gaussian channel, signal to noise ratio and bit error rate curve
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- 2021-04-18 13:28:57下载
- 积分：1
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modulation
有关4QAM，16QAM，64QAM，DQPSK的调制解调的(The 4QAM, 16QAM, 64QAM, DQPSK modulation and Demodulation)
- 2020-10-19 19:07:25下载
- 积分：1
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mmsemultitest_dscdma
本程序为CDMA系统中基于MMSE的多用户检测技术，供有相关人士下载(This procedure for the CDMA system based on the MMSE multi-user detection techniques for those who have related downloads)
- 2020-11-18 16:39:40下载
- 积分：1
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sys
采用turbo编程，可实现对鼠标，键盘等操作的识别与输出控制。(Turbo programming, operation of the mouse, keyboard and other identification and output control.)
- 2013-04-27 06:27:50下载
- 积分：1
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rls
最小二乘算法联合判决反馈均衡器进行信道仿真，用于优化信道性能。(Joint least-squares algorithm for decision feedback equalizer channel simulation, to optimize channel performance.)
- 2009-02-26 08:37:59下载
- 积分：1
