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3G中重要的应用,分析讲解了可视电话的基本原理和信令流程,及一些背景知识...
3G中重要的应用,分析讲解了可视电话的基本原理和信令流程,及一些背景知识-3G important application, analysis of the video telephony on the basic principles and signaling processes, and some background knowledge
- 2022-03-05 12:35:42下载
- 积分:1
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现有数字信号自动调制识别方法大多只适用于无记忆信号,如PSK、ASK、FSK信号等。将有记忆
信号(MSK信号)和无记忆信号一起考虑,提出了一种改进的数字信...
现有数字信号自动调制识别方法大多只适用于无记忆信号,如PSK、ASK、FSK信号等。将有记忆
信号(MSK信号)和无记忆信号一起考虑,提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统
计量作为特征参数,采用多层神经网络作为分类器。计算机仿真表明:当噪声采用高斯白噪声,并且信噪比大于
l5 dB时,识别率高于96% ;当信噪比不低于l0 dB时,识别率不低于90%。-Existing digital signal automatic modulation recognition methods are mostly applied only to memoryless signals, such as PSK, ASK, FSK signals. Will have a memory signal (MSK signal) and non-memory signal into consideration, an improved digital signal automatic identification method. This method is the use of the instantaneous signal statistics as a characteristic parameter, the use of multi-layer neural network as classifier. Computer simulation shows that: When the noise using Gaussian white noise, and signal to noise ratio greater than l5 dB, the recognition rate is higher than 96 when the signal to noise ratio not less than l0 dB, the recognition rate of not less than 90.
- 2023-09-07 22:55:03下载
- 积分:1
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瑞丽信道仿真
这里是瑞丽信道仿真的六种方法。包括多普勒法,精确多普勒法,等距离法,Clarke模型,滤波器法,等面积法:MEA方法,最小均方误差法:MSEM方法,Jakes仿真法,Jakes仿真改进型法。
- 2023-06-21 03:45:03下载
- 积分:1
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stm32 串口实验
本实验将实现如下功能:本实验串口1将不停的打印信息到电脑上,同时接收从串口发过来的数据,把发送过来的数据直接送回给电脑。
[BREAKPOINTS]
ShowInfoWin = 1
EnableFlashBP = 2
BPDuringExecution = 0
[CFI]
CFISize = 0x00
CFIAddr = 0x00
[CPU]
OverrideMemMap = 0
AllowSimulation = 1
ScriptFile=""
[FLASH]
MinNumBytesFlashDL = 0
SkipProgOnCRCMatch = 1
VerifyDownload = 1
AllowCaching = 1
EnableFlashDL = 2
Override = 0
Device="UNSPECIFIED"
[GENERAL]
WorkRAMSize = 0x00
WorkRAMAddr = 0x00
[SWO]
SWOLogFile=""
[MEM]
RdOverrideOrMask = 0x00
RdOverrideAndMask = 0xFFFFFFFF
RdOverrideAddr = 0xFFFFFFFF
WrOverrideOrMask = 0x00
WrOverrideAndMask = 0xFFFFFFFF
WrOverrideAddr = 0xFFFFFFFF
- 2023-07-24 04:35:03下载
- 积分:1
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RAS高级编程是一个RAS拨号程序高级开发,通过该程序不经能够实现电话拨号功能,还能实现如adsl、网通等拨号功能,还能够监控modem或者网卡的网络流量,绝对
RAS高级编程是一个RAS拨号程序高级开发,通过该程序不经能够实现电话拨号功能,还能实现如adsl、网通等拨号功能,还能够监控modem或者网卡的网络流量,绝对是一个值得读者学习的程序。-RAS is a high-level programming RAS Dial-up procedures advanced development, and the program can be achieved without a telephone dial-up function can be realized as adsl, Netcom, and other dial-up function, but also to monitor the modem or Ethernet network traffic is definitely a worthy readers learning process.
- 2022-02-26 03:15:27下载
- 积分:1
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本书主要是对WINDOWS核心编程进行了详细的介绍,希望对大家有所帮助...
本书主要是对WINDOWS核心编程进行了详细的介绍,希望对大家有所帮助-This book mainly for the core programming WINDOWS carried out a detailed introduction, we want to help
- 2022-03-07 09:27:50下载
- 积分:1
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蜂窝的概念
蜂窝移动通信
蜂窝的概念是其中要求更换一个单一的、 系统级主意高功率发射机 (大单元格) 与许多低功率发射机 (小
细胞) 每个提供覆盖的服务区只有一小部分
- 2022-08-02 16:17:54下载
- 积分:1
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一个用VC实现的聊天室程序,该程序是客户端和服务器端共用的。稍加修改可以做成网络数据收发。用的是winsock来实现网络通讯的...
一个用VC实现的聊天室程序,该程序是客户端和服务器端共用的。稍加修改可以做成网络数据收发。用的是winsock来实现网络通讯的-VC with a chat room procedures, the procedures are client and server shared. Little changes can cause network data transceiver. Used to the protocols of the communications network
- 2023-04-21 08:55:03下载
- 积分:1
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Tiva C 系列的 Uart 代码
TI" s Tiva c 系列 microcontroller(EK-TM4C123GX) uart 代码。(首先应该下载腻子方案和调整右串行 COM 端口。你可以看到阵列上 putty 的窗口的代码中所述)。
- 2022-05-23 14:11:53下载
- 积分:1
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Microcontroller serial communication assembly, 51 MCU serial debugger one cases
单片机串口通信程序集,51单片机串口调试程序一例-Microcontroller serial communication assembly, 51 MCU serial debugger one cases
- 2022-02-03 15:41:19下载
- 积分:1