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OFDM
- ofdm代码,完成功能:cp长16,64载波,瑞利十径信道,QPSK调制-ofdm code completion: cp long 16,64 carriers, ten Rayleigh fading channel, QPSK modulation
QPSKTest
- 以2^10个二进制PRBS作为消息码,载波频率为2.4GHz,画出QPSK调制波形的频谱图和 星座图,其中码元速率为5MBaud/s.源码可直接使用。-With PRBS 2 ^ 10 binary code as a message carrier frequency of 2.4GHz, spectrum QPSK modulation waveform drawing and constellation in which the symbol rate is 5MBaud/s. S
carrier-recoveryaSymbol-timing
- 一个载波恢复与符号定时的仿真。 载波恢复使用平方环,符号定时基于早迟门,发送信号采用BPSK调制方式,统计计算的误码率。-A carrier recovery and symbol timing simulation. Carrier recovery loop using the square, the symbol timing based on early-late gate, sending a signal using BPSK modulation, bit error rate
DSP28335_cpsSPWM_code
- 电力电子全桥级联的载波相移SPWM调制策略-Power electronics cascade H bridge cps-spwm
Intensive-multicarrier
- 针对扩展型目标的检测问题,提出了一种新的自适应多载波雷达系统,该雷达系统综合考虑目标的检测与其冲击响应估计问题,通过自适应调节EBPSK调制MCPC信号的幅度、子载波间隔、子载波数目等波形参数,得到雷达在不同工作阶段的波形优化方案,并给出了相应的理论分析与仿真结果,验证了理论分析的正确性以及优化雷达系统在目标检测与目标冲击响应估计上性能的提升。 -Adaptive multi-carrier radar system
chapter9
- 频偏为0.2Hz时的子载波解调结果以及OFDM的模拟调制实现与IDFT实现-An offset of the analog modulation sub-carrier demodulation 0.2Hz OFDM time to achieve results, and to achieve the IDFT
4fsk
- 通信调制中的FSK调制,用4个不同的调制载波对发送信号进行调制,从而代表不同的信息-four carriers fsk
Analog-modulation-simulation-code
- 模拟调制与解调,包括关于标准调幅、抑制载波双边带调幅、单边带调幅、残留边带调幅等一些理论的Matlab仿真代码。-Analog modulation and demodulation, including on the standard AM, double-sideband suppressed carrier amplitude modulation, single-sideband amplitude modulation, Matlab simulation code vestigial
AM-Modulation
- 用Labview实现了AM调制,载波,基带信号的频率和幅值在前面板中可调。-AM modulation in Labview
RF_technology
- NFC MIFARE FELICA S50 S70 P2P ID卡 动物标签 18092 14443 技术详细介绍 (1)——概念、分类 (2)——国际标准 (3)——能量、调制 (4)——数据编码 (5)——防冲突 (6)——通讯协议概述 (7)——ID卡 (8)——动物标签 (9)——动物标签HDX (10)——识别号的格式变化 (11)——Mifare系列卡的共性 (12)——三次相互认证 (13)——Mifare S50与Mifare
SPWM
- 产生三相SPWM波形 EVA下面的通用定时器T1工作于连续增/减计数模式,产生三角载波,载波频率为 3000Hz,载波比N=60,因此调制波形正弦波的频率为50Hz。本实验中,调制度为 0.8。-Generate three-phase SPWM waveform EVA following general-purpose timer T1 work in continuous up/down counting mode, generate triangular carrier, the car
3
- 用matlab产生符合要求的余旋信源,并设置载波频率,运用DSB调制画出调制后波形。-Using matlab to generate more than spin source to meet the requirements and set the carrier frequency, modulation using DSB modulated waveform draw.
4
- SSB调制。根据产生的余弦信号,画出相应频率载波下的调制后图形。-SSB modulation. According to the cosine signal generated graphics draw the corresponding frequency carrier modulated under.
POWER_SSSC_Ending
- 用simulink搭建一个SSSC(静止同步串联补偿器)模型,其中的逆变器环节是H桥多电平逆变器调制策略采用载波移相pwm调制(SPWM),仿真在35kv输电线路,三节点以上,SSSC采用阻抗补偿模式,给出在容性补偿和感性补偿下的仿真结果。-Build a SSSC with the Simulink (SSSC) model, which is the link inverter H bridge multilevel inverter modulation strategy using ca
SPWM-SMULINK
- 该文件包含spwm的单极性和双极性MATLAB smulink仿真,可以正确运行,载波与调制波波形清晰完美。由本人原创搭建。-This file contains the SPWM unipolar and bipolar MATLAB smulink simulation which can run correctly, carrier and modulation wave forms are perfect.
ASK
- 设计一个采用 2ASK(OOK)调制的数字通信系统,给定载波频率为码元速率的2倍,产生二进制随机数据,并仿真其对应的 2ASK 调制波形,分析其频谱。所产生的调制波形加入不同信噪比的白噪声,再观察其波形和频谱变化。-Design of a use 2ASK (OOK) modulated digital communication system, a given carrier frequency is twice the symbol rate, to generate a random bi
473421219ofdm
- ofdm系统的仿真,包括调制和解调,子载波的设定,同步,峰均比技术,不同算法的信道估计-OFDM system simulation, including the modulation and demodulation, subcarrier set, synchronization, peak to average ratio of different technology, channel estimation algorithm
bd_psk_decoder20150303
- 对DQPSK调制解调技术的FPGA实现进行了比较全面的研究,利用nQpSK调制技术实现了码速20oKbps的调制器。调制载频3.2MHz、带宽18oKHz、带外抑制大于45dB,调制器设计达到预定要求。解调器硬件完成,软件未全部实现,但完成了CIC滤波器、载波跟踪环、位定时同步、并串转换等几个关键模块的设计。对解调器做了实验测试,验证了相关模块设计的正确性,解调器中重要的载波同步功能己能实现-DQPSK modulation and demodulation techniques for FPG
pemwaibuzhongduan
- 脉冲宽度调制又称PWM调制(PWM技术),脉冲载波的脉冲持续时间(脉宽)随调制波的样值而变的脉冲调制方式,简称脉宽调制。-Pulse width modulation PWM modulation (PWM), also known as the pulse duration of pulse carrier (pulse width) along with the sample values of modulation wave pulse modulation mode, abbreviat
psk22
- 实现扩频里随机信号和伪码序列的产生,以及关于生成扩频序列的MATLAB程序,并用载波信号实现2PSK调制-Spread spectrum signal generated in the realization and pseudo random code sequence, and generate MATLAB program about spreading sequences and modulated carrier signal to achieve 2PSK