-
实时的DTMF解码,采用Goertzel算法,通过监测信号…
DTMF实时解码,采用goertzel算法,通过监测信号中的两个主要频率从而得出DTMF值-DTMF decoder in real time, using goertzel algorithm, by monitoring the signal so as to arrive at the two main frequency DTMF value
- 2022-12-09 20:00:02下载
- 积分:1
-
USB_to_Serial
vb与usb转串口的通讯
USB_to_Serial
vb与usb转串口的通讯-USB_to_Serialvb with usb to serial communication
- 2023-05-03 14:35:03下载
- 积分:1
-
Integrity of the serial communication program Vc++ Source code, suitable for beg...
完整串口通信程序Vc++源代码,适合初学着,在win2k,xp下调试通过。-Integrity of the serial communication program Vc++ Source code, suitable for beginners, and in win2k, xp adopted under the debugger.
- 2022-07-02 12:34:22下载
- 积分:1
-
A phone code reader for the latest 3G mobile phones, android development languag...
一个手机的阅读器的代码,适合最新的3G手机,android的开发语言-A phone code reader for the latest 3G mobile phones, android development language
- 2022-03-03 14:43:02下载
- 积分:1
-
DAC芯片的DDS,频率可调500KHz ~ 5MHz
应用背景主要是应用在电子射频、通讯等行业,例如采样中的数字本振信号、接收机的发射信号等等,还可以用做测试中做一个幅值可调的信号发生器,频率源等,为测试和设计带来很大的帮助关键技术数字信号发生器 DDS 频率可调 。运用MATLAB生成相关 的原 始数据,根据按键改 变频率 控制字,不断地累加,就可以实现频率可调。将生成的二进制代码发送给对应的DAc芯片的数据接口,通过给后端的模拟信号进行简单的硬件上的滤波,即可解决信号的高次谐波。
- 2022-04-30 16:17:49下载
- 积分:1
-
OFDM信道估计LMMSE估计和LS估计算法的比较
仿真载频为2GHz,带宽1MHz,子载波数128个,cp为16,子载波间隔为7.8125kHz
一个ofdm符号长度为128us,cp长度为16us,采用16QAM调制方式,最大doppler频率为132Hz
采用LMMSE估计和LS估计算法并进行了比较
- 2022-04-06 15:04:52下载
- 积分:1
-
vc编写的socket编程,实现发送和接信息的程序,
vc编写的socket编程,实现发送和接信息的程序,
- 2022-08-24 22:00:49下载
- 积分:1
-
监控串口的传送状态,还可以打印监视报表,以及各种校验方式.不妨试试看...
监控串口的传送状态,还可以打印监视报表,以及各种校验方式.不妨试试看-monitoring serial transmission of the state, but also can print statements surveillance, and various calibration mode. May Try
- 2022-02-16 05:19:28下载
- 积分:1
-
master's degree thesis : LDPC codes in Rayleigh fading channels Performance...
硕士学位论文:LDPC码在瑞利衰落信道中的性能分析
信道编码技术可以带来编码增益,节省宝贵的功率资源,己经成为现代数字
通信系统中必不可少的关键技术。LDPC码采用低复杂度的迭代译码算法,且具有
逼近香农限的性能.由于LDPC码具有诸多优点,它在信息可靠传输中的良好应
用前景己经引起学术界和rr业界的高度重视,成为当今信道编码领域最受瞩目的
研究热点之一。
本文主要探讨了LDPC码在瑞利衰落信道中的性能,基于LDPC码的分组空
时码系统,以及基于LDPC码的正交频分复用系统.-master"s degree thesis : LDPC codes in Rayleigh fading channels Performance Analysis channel coding technology can bring coding gain, Power saving valuable resources have become modern digital communication systems essential to the critical technologies. LDPC low complexity of the iterative decoding algorithm, having approximation Shannon limit performance. Because LDPC has many advantages, It reliable transmission of information in the application of good prospects has been caused rr academia and industry are taking, become the channel coding areas of the most watched one of the hot spots. This paper mainly discusses the LDPC Rayleigh fading channels in the performance Based on LDPC a space-time coding system, and based on LDPC
- 2022-08-22 06:48:54下载
- 积分:1
-
开放源码的一个广域网协议ATM的实现,版本0.79
开放源码的一个广域网协议ATM的实现,版本0.79-An open source WAN protocol ATM, v0.79.
- 2023-03-19 01:45:04下载
- 积分:1