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Principle usb, organize online, and very useful!
usb的原理,网上整理的,好不容易找到的,应该对很多人都很有用处!-Principle usb, organize online, and very useful!
- 2022-02-12 02:14:20下载
- 积分:1
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PCI9052 development pci card with a complete set of data containing schematic pa...
用pci9052开发pci板卡的全套资料,含有原理图封装,和eeprom文件1-PCI9052 development pci card with a complete set of data containing schematic package, and EEPROM file 1
- 2022-11-17 11:50:03下载
- 积分:1
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实现快速的数据复制和磁盘运行,窗口
快捷实现数据复制和磁盘运行,window linux-Realize fast data replication and disk run, window linux
- 2022-01-27 16:19:53下载
- 积分:1
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Cirrus Logic 公司生产的ARM 芯片系列中,EP7312 是基于ARM720T 核心的一种产品,
它的主要用途定位是:手持计算,数字音频。本文...
Cirrus Logic 公司生产的ARM 芯片系列中,EP7312 是基于ARM720T 核心的一种产品,
它的主要用途定位是:手持计算,数字音频。本文重点讲了EP7312 的结构、功能、接口特性及其在
嵌入式系统中的应用。-Cirrus Logic
- 2022-07-14 18:33:15下载
- 积分:1
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摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用
OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受...
摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用
OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多
径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和
基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波
调制方式―i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果.
-Abstract: Based on the communication technology train operation control system (CBTC) is a railway signal direction for the development of cross-frequency division multiplexing OFDM) is a wireless environment of high-speed transmission technology, its high-speed train control information transmission Bian be subject to the Due to the spread of multi-path fast fading caused by the impact of a strong resistance to diseases. This paper first introduces the OFDM technology development and the basic principles, and then on the computer〕 M atlal use its performance simulation will OFDM with the traditional single-carrier modulation-i1, cross-amplitude modulation (1frQAM) against multi-path interference of the 10 properties were compared with a final analysis of
- 2022-08-24 10:19:13下载
- 积分:1
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In this paper, recall the standard RS
本文在回顾RS-485标准的基础上从几个方面简要讨论了提高RS-485网络可靠性的一些措施.-In this paper, recall the standard RS-485 based on a number of ways to raise briefly discussed the RS-485 network reliability measures.
- 2022-03-01 11:43:12下载
- 积分:1
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提出了一种基于FPGA的高阶高速F IR滤波器的设计与实现方法。通过一个169阶的均方根
升余弦滚降滤波器的设计,介绍了如何应用流水线技术来设计高阶高速F...
提出了一种基于FPGA的高阶高速F IR滤波器的设计与实现方法。通过一个169阶的均方根
升余弦滚降滤波器的设计,介绍了如何应用流水线技术来设计高阶高速F IR滤波器,并且对所设计的
FIR滤波器性能、资源占用进行了分析。-A high-level FPGA-based high-speed F IR filter design and implementation. Through a 169-order root mean square raised cosine filter roll-off design, describes how the application of technology to design high-end line of high-speed F IR filter, and for the design of FIR filter performance, resources to carry out an analysis of the occupier.
- 2022-03-26 11:20:09下载
- 积分:1
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介绍了基于GPRS网的数据传输、嵌入式实时操作系统u/OS
介绍了基于GPRS网的数据传输、嵌入式实时操作系统u/OS-II以及小型TCP/IP协议栈uIP;深入论述了基于8051嵌入式系统的GPRS终端的实现。提供了一种罗为简单、廉价和实用的GPRS终端的实现方案,说明了在8051中如何进行uC/OS-II和uIP的移植。-Introduction based on the GPRS network, data transmission, embedded real-time operating system u/OS-II and small TCP/IP protocol stack uIP go into the 8051-based embedded systems realize GPRS terminals. Romania provides a simple, cheap and practical realization of the GPRS terminal program, described in 8051 how to uC/OS-II and uIP transplant.
- 2022-08-21 17:32:58下载
- 积分:1
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用JAVA来实现计算机的网络设计
用JAVA来实现计算机的网络设计 -Using JAVA to achieve computer network design
- 2022-04-06 21:46:54下载
- 积分:1
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文章中包含了多种驱动LED数码管的应用电路图,多数应用集成电路,十分实用。...
文章中包含了多种驱动LED数码管的应用电路图,多数应用集成电路,十分实用。-The article contains a variety of driving the application of LED digital tube circuit, most applications integrated circuits, very useful.
- 2022-02-05 23:07:28下载
- 积分:1