-
GSM-link-level-simulation
GSM链路级仿真程序，按照基本GSM规范编写而成。(GSM link level simulation program, written in accordance with the basic GSM standard.)
- 2021-05-10 09:18:33下载
- 积分：1
-
ccc
随机过程仿真必备，伪随机序列的Matlab实现与分析.kdh(Stochastic process simulation necessary, pseudo-random sequence of Matlab Implementation and Analysis. Kdh)
- 2010-02-18 01:26:37下载
- 积分：1
-
一种基于高阶累积量的数字调相信号识别方法
说明： 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
-
da1469x_led_driver
说明： LED样例代码，原厂提供。凑够20个字才行吗？(Led sample code, provided by the original factory. Can you make up 20 words?)
- 2019-11-19 18:34:37下载
- 积分：1
-
WaterFilling_alg
对发射端功率进行分别配，使得系统吞吐量最大化(Distribute transmitter power to maximize system throughput)
- 2021-03-28 09:19:11下载
- 积分：1
-
123
数字调制-OFDM-QPSK-峰均比-资料,很好很详细，学习ofdm很好的资料(Digital Modulation-OFDM-QPSK-PAR- information, very very detailed, very good information to learn ofdm)
- 2013-12-21 19:38:29下载
- 积分：1
-
GPRS
针对GPS干扰特性，对GPS系统进行猛特卡落干扰仿真(GPS interference characteristics for the GPS system Meng tecka charged interference simulation)
- 2008-05-26 09:59:10下载
- 积分：1
-
3
说明： 3. 瑞利信道中的调制解调、信道估计：
(1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。
(2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与理论误码率曲线进行对比。(3. Modulation demodulation and channel estimation in Rayleigh channel:
(1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate.
(2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve.)
- 2019-01-15 10:50:36下载
- 积分：1
-
duoxianpreadth
多线程串口编程，程序是使用arm加华为的GPRS模块进行测试 方便大家修改(Multithread serial programming, program is to use the arm GPRS module testing Huawei to facilitate change)
- 2013-08-13 13:41:25下载
- 积分：1
-
cdma
说明： cdma系统的仿真程序,包括cdma各个系统的仿真，可扩展(cdma system simulation program, including all cdma system simulation, scalability)
- 2021-04-16 11:58:54下载
- 积分：1
