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hm_2
- BPSK,DPSK调制与解调，分别采用不同的载波频率进行调制观察载波频率对解调的影响-BPSK, DPSK modulation and demodulation, respectively, using a different carrier frequency of modulation observed carrier frequency of the demodulated
Channel_Aeronauticall
- 超短波及L波段航空信道通信模型，分为停放、滑行、起降及飞行场景，受载频、飞行速率、时延、数据率及波束到达角影响。-Aeronautical channel model of VHF and L band, which is classified into parking, taxi, take-off and arrival, and en-route scenarios, and is affedted by the carrier frequency, velocity, delay, da
DSPAD11
- DSP实验的第十一次，关于信号发生器，其中载频信号的选择很重要，阶数也很重要-DSP experiments eleventh signal generator, in which the choice of the carrier frequency signal is very important, the order is very important
power_bridges
- This example of AC-DC-AC converter illustrates use of Universal Bridge, Multimeter, and Powergui blocks, as well as discrete control blocks of the Extras library.-A 60 Hz, voltage source feeds a 50 Hz, 50 kW load through an AC-DC-AC converter. The 60
fsk
- 载频为10HZ、采样速率为40HZ的fsk信号的产生和调制-The carrier frequency the 10HZ, sampling rate 40HZ fsk signal generation and modulation
shiyan5
- 已知消息信号为一个长度为8的二进制序列；载波频率为 ，采样频率为4KHz。编程实现一种调制、传输、滤波和解调过程。-Known message signal is a binary sequence with a length of 8 the carrier frequency, the sampling frequency of 4KHz. Programming a modulation, transmission, filtering, and demodulation process
Modulation
- 产生长度为100的随机二进制序列 发送载波频率为10倍比特率，画出过采样率为100倍符号率的BPSK调制波形（前10个比特） ，及其功率谱 相干解调时假设收发频率相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1（其余为0），或连续12个1 （其余为0） ，分别画出两种滤波器下的y(t)，及判决输出（前10个比特） 接收载波频率为10.05倍比特率，初相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1，画出两种滤波器下的y(t)，及判决输
16QAM
- 仿真练习（第六次刘课件中有关于噪声的添加方法） ？ 编写一个含QAM传输的发送和接收模块 ？ 分别采用复基带仿真和实带通仿真两种形式 ？ 复基带仿真时过采样率为4倍,实带通仿真时过采样率为20倍, 实带通仿真时, 载波频率为符号率的4倍 ？ 发端采用滚降系数0.5的根号升余弦滤波器 ？ 画出Eb/N0=15dB时的接收波形(收滤波前),取100个采样 ？ 画出发端输出的眼图和收端过匹配滤波后的眼图(画眼图时不加噪声) ？ 统计
SDR-sampling-theory
- 1. Matlab实现基带信号s(t)=cos(wt)的时域波形和频域结果 2. Matlab实现中频信号(基本载频+信号频率)的时域波形和频域结果 -1. Matlab baseband signal s (t) = cos (wt) time-domain waveform and frequency-domain results. Matlab intermediate frequency signal (the basic carrier frequency the+ signa
04470099.rar
- A semi blind technique for estimating the carrier frequency offset in OFDM communication systems is presented in this paper. The fractional and integer frequency offsets are esti-mated by employing a few null subcarriers in the rst OFDM sy
out
- A TUTORIAL ON LTE EVOLVED UTRAN (EUTRAN) AND LTE SELF ORGANIZING NETWORKS. The main features of LTE are high peak data rate, flexibility of spectrum usage, low latency times, higher capacity per cell, etc. The radio interface of LTE is based on O
QAM
- 该文给出了一种QAM信号载波频偏估计算法。-This paper presents a QAM signal carrier frequency offset estimation algorithm.
2013.4.1
- 单载频雷达信号在欠采样条件下产生频谱混叠，用MATLAB仿真验证的结果-Subsampling conditions of single carrier frequency radar signal spectrum aliasing, using MATLAB simulation results
greatwork
- 调制识别是非协作通信中的关键技术之一，在电子对抗、软件无线电等领域 应用十分广泛。该过程介于信号检测与解调之间，由于对传输信号没有过多的先 验信息以及在接收端有很多未知的参数，例如：信号功率，载波频率和相位偏移， 时间信息等，导致对调制方式的盲识别是一项很困难的任务。此外，实际中存在 多径衰落、频率选择性和时变信道等问题，使得这项任务变得更具有挑战性。 -The modulation recognition is one of the key technologies of
OFDM_Performance_Vs_CFO
- Carrier frequency offset in ofdm communication system in Matlab. it shows BER vs SNR.
3
- Abstract-The mobile radio channel can be simulated as a complex-valued random process with a time-varying variance. This paper describes an implementation of that process using a real-time Digital Signal Processing (DSP) technique. The simulato
irSendFreq.C
- 根据红外线载波频率来设置PWM频率,MicroMouse618上的红外传感器实验-IR carrier frequency to set the PWM frequency
GPS-research
- 本文以GPS中频数字信号的仿真为目标,以Matlab/Simulink为平台,对真实环境 下中频信号的生成算法!接收算法进行了研究和仿真实现"论文详细论述了GPS中频 数字信号的数学模型!导航信号的误差模型,和信号仿真时应注意的关键问题,给出了 中频信号软件模拟器结构"同时,论文对中频信号的接收算法也进行了简单的研究,并 用仿真生成的数字中频信号对软件接收机的捕获和跟踪性能进行了验证"实验结果表明 该系统基本实现了GPS中频信号的产生和接收功能,接收端能正确解扩解调,能在一
spwm
- 使用51系列设计一个简单SPWM波形产生器；能通过按键调整输出频率 SPWM的载波频率为2KHZ -Use of 51 series design a simple SPWM waveform generator through the buttons to adjust the output frequency SPWM carrier frequency of 2KHZ
analisa
- This model shows the implementation of a QPSK transmitter and receiver. The receiver addresses practical issues in wireless communications, e.g. carrier frequency and phase offset, timing offset and frame synchronization. The receiver demodulates the