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通讯/手机编程 GNU_Radio GNU radio is a free/open-source software toolkit for and the con
GNU_Radio
GNU radio is a free/open-source software toolkit for and the content is controlled by a handful of organizations. Cell
building software radios, in which software defines the phones are a great convenience, but the features your ...
书籍 Principles+of+Communication+Systems+Simulation
This book is a result of the recent rapid advances in two related technologies: com-
munications and computers. Over the past few decades, communication systems
have increased in complexity to the point where system design and performance
analysis can no longer be conducted without a significant lev ...
书籍 WCDMA for UMTS HSPA Evolution and LTE
Second-generation telecommunication systems, such as the Global System for Mobile
Communications (GSM), enabled voice traffic to go wireless: the number of mobile phones
exceeds the number of landline phones and the mobile phone penetration is approaching
100% in several markets. The data-handling c ...
书籍 Wideband+TDD
This book is an outgrowth of the pioneering development work done by InterDigital Com-
munication Corporation in 3rd Generation TDD WCDMA Technology. Many engineers
and managers were involved in this development, which spanned a wide range of tech-
nology areas, including system architecture, radio ...
技术资料 基于STC8A8K单片机的智能水泵控制器设计
讨论STC单片机系统在水泵控制领域的应用。阐述运用单片机的整体设计理念,智能水泵控制器主控机的选用,以及未来发展所需要注意的问题。This paper discusses the application of STC single chip computer system in the field of pump control.It studies the overall design concept of single-chip computer,the selectio ...
技术资料 基于WiFi的STM8单片机程序远程更新
本文提出了一种实现STM8单片机程序远程更新的方法,系统通过WiFi连接到服务器,服务器发送更新指令和更新文件,实现单片机程序的远程更新。This paper introduces the method of remotely updating program of STM8.The system is connected to a server with WiFi.A server transmits a serial of commands and the updating ...
技术资料 LCL Filter
Abstract—Many grid connected power electronic systems, such
as STATCOMs, UPFCs, and distributed generation system interfaces,
use a voltage source inverter (VSI) connected to the supply
network through a filter. This filter, typically a series inductance,
acts to reduce the switching harmonics ente ...
技术资料 FreeRTOS开发手册基于stm32
RTOS有如下的好处:1)用户无需关心时间信息内核负责计时,并由相关的API完成,从而使得用户的应用程序代码结构更简单。2)模块化、可拓展性强也正是由于第一点的原因,程序性能不易受底层硬件更改的影响。并且,各个任务是独立的模块,每个模块都有明确的目的,降低了代码的耦合性。3)效率高内核可以让软件完全由事件驱动 ...
单片机编程 基于8098单片机的SPWM变频调速系统
数字控制的交流调速系统所选用的微处理器、功率器件及产生PWM波的方法是影响交流调速系统性能好坏的直接因素。在介绍了正弦脉宽调制(SPWM)技术的基础上,设计了一种以8098单片机作为控制器,以智能功率模块IPM为开关器件的变频调速系统。通过软件编程,产生正弦脉冲宽度调制波形来控制绝缘栅双极晶体管的导通和关断, ...
工控技术 西门子建筑电器-电气安装技术部发行的各类产品样本
西门子建筑电器-电气安装技术部发行的各类产品样本:小型断路器、剩余电流保护断路器和模数化产品(中/ 英文)Miniature Circuit-Breakers, Residual Current Operated Circuit-Breakers and Modular Devices (Chinese/English)低压熔断器系统(中/ 英文)Fuse System (Chinese/English)雷击,过电压-不再是问题(中文)Thunders ...