搜索资源列表
zdscz
- 中短波广播信号场强测量及空中管理 中短波广播是指频率为500KHz～30MHz范围内的音频调幅（AM）广播-medium-short wave radio signal field strength measurement and management of air MW and SW radio frequency refers to 500KHz ~ 30M Hz within the scope of audio amplitude modulation (AM) radio
DVB标准手册+核心数据介绍
- DVB Open Transmission Core (dvbotc) is an implementation of the DVB-T standard ETSI 300 744v1.05. It is based on opendvb, but has been heavily modied and re-written in the C language to be able to achieve the goal of Real Time encoding and modulatio
Nonlinear_Fiber_Optics_Chinese_edition
- 光纤是20世纪的重大发明之一，其导光性能臻于完美，很难想像还会有更好的替代者。本书是光学、光子学和光通信领域的重要译著，分原理篇和应用篇两部分。原理篇包括光传输方程、群速度色散、自相位调制、调制不稳定性和光孤子、偏振效应、交叉相位调制、受激散射和光参量过程等内容，科学归纳为非线性光纤光学，侧重于基本概念和原理。应用篇内容包括光纤光栅、光纤耦合器，各种光纤干涉仪、光纤放大器和光纤激光器，光脉冲压缩技术，以及有关光纤通信系统和孤子波系统中的传输问题，体现了非线性光纤光学在光波技术、光通信领域的应用。
trelliscodedmodulation
- very famous paper on trellis coded modulation.
Encode
- 物理层调制编码新技术的性能评估.rar 中国移动通信研究院招标邀请书-物理层调制编码新技术的性能评估.doc-Physical layer modulation encoding performance evaluation of new technologies. Rar China Mobile Communications Research Institute of tender invitations- the physical layer modulation encoding p
shuangpwmbianhuanqi
- 本文以双Pwm变换器为基础，分析论述了电力电子装置的整流、逆变和回馈状态的国内外发展状况。随着科学技术的发展，电力电子装置的低功率因数和高谐波污染已经成为电网的两大主要危害，因此提高系统功率因数便是电力电子技术的发展趋势，本文阐述了功率因数的定义，脉宽调制的种类以及电压 型PWM变换器的原理、控制方法等内容，比较了脉宽调制的各种类型，详细推导了三相电压型PWM变换器的数学建模，指出系统各种控制方法的优缺点，着重表达了二相调制脉宽空间矢量WPM的算法推导，选用了系统主控芯片，编写了系统软件程序
2009832281795234
- 摘要: 在以前的数字蜂窝系统中，往往采用FSK、ASK、PSK等调制方式。随着数字蜂窝系统的发展，对调制和数字蜂窝系统的技术要求越来越高, 许多优秀的调制技术应运而生，其中PI/4-QPSK技术是无线通信中比较突出的一种二进制调制方法-Abstract: In previous digital cellular systems, often using FSK, ASK, PSK, such as modulation. With the development of digital cellu
signal-process
- 本文是在学习了数字信号处理课程之后，通过阅读了近几年的一些文章，结合自己的方向GPS数据处理，写的一篇总结文章。其中主要主要篇幅介绍了两种载波L1和L2，GPS伪噪声码，以及调制过程。-This article is in learning digital signal processing course after reading some articles in recent years, combined with the direction the GPS data processing
power
- 陶显芳开关电源原理与设计系列 开关电源就是利用电子开关器件（如晶体管、场效应管、可控硅闸流管等），通过控制电路，使电子开关器件不停地“接通”和“关断”，让电子开关器件对输入电压进行脉冲调制，从而实现DC/AC、DC/DC电压变换，以及输出电压可调和自动稳压。-Tao Xianfang principle of switching power supply switching power supply design series is the use of electronic switch
Sensorless-FOC-of-PMSM
- Sensorless FOC of PMSM This document presents a solution to control a permanent magnet synchronous motor using the TMS320F2803x. This new family of DSPs enables cost-effective design of intelligent controllers for brushless motors which can fulfill
carriermodulation
- This used for carrier modulation -This is used for carrier modulation
pulse-code-modulation-[www.prozhe.com]
- A project of my teach
SVPWM
- 空间矢量调制基本原理与DSP实现，一看就懂，可仿真验证-The basic principle of space vector modulation and DSP implementation, one can understand, can simulation
bpsk_ofdm_commtoolbox32
- Bit Error Rate Performance of BPSK Modulation and OFDM-BPSK with Rayleigh Multipath Channel. M. Divya. International Journal of Engineering and Advanced Technology (IJEAT). ISSN: 2249 – 8958, Volume-2, Issue-4, April32
FM
- LFMCW线性调频波仿真，MATLAB代码，信源部分仿真。-LFMCW linear frequency modulation wave simulation, MATLAB code, and source part of the simulation.
IS471F
- IS471F红外编码发射和接收芯片，夏普公司生产，功能很强大。可以抗干扰，可以减少由外界产生调制的功能。-IS471F IR code transmitting and receiving chip, Sharp Co production, the function is very powerful. Capable of resisting interference, may reduce the occurrence of modulation by external functions.
shabisazi-mppt(pao)e
- The relationship of voltage gain to modulation index is analyzed in detail and verified by simulation and experiment
Modulation-of-a-signal
- Modulation of signal like amplitude modulation
ampli-mod-demod
- Amplitude modulation and its demodulation to get back the original signal in simulink
qpsk-mod-and-demod
- QPSK modulation and again demodulation