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Costa_sss
- 科斯塔斯环 有助于载波同步的研究 锁相 载频3.563MHz，初始频率3.5628MHz 绘图显示具体的循环锁相过程 绘图显示相位变化-Costas reference for carrier synchronization fc0=3.563MHz,fc=3.5628Mhz show the process of synchronzation and phase change with figure.
matlabxueqi
- 小学期的源程序 1．试编MATLAB程序。信号 sinc(10*t),-2<=t<=2 m(t)= 0,其它 用100hz的载波来产DSB信号并解调。完成下列工作： 画出已调信号； 求已调信号的频谱，并用图像表示。 画出解调信号； 求解调信号的频谱，并用图像表示。 2．信号 sinc2(100t),|t|≤t0 m(t)= 0, 其它 采用频率调制调制为1000HZ的载波。频偏常数为kf=50,t0=0.2
fm2307demo_v1
- 用于单相电表复费率载波、红外通信源程序，四费率-For single-phase meter multi-rate carrier, infrared communication source, the four rates
sf
- 出一种新 的SVPWM 算法。采用SPWM 中调制波与载波相比较的规则采样思路，通过在静止坐标系下直接 计算每个参考电压矢量所对应的三相调制波的函数值，进而得到每相电压在一个PWM 周期中的占空比。-A new SVPWM algorithm. SPWM modulation used in the carrier wave, compared with the rules of sampling ideas, through the static coordinate system d
tanahashi_ICC2007
- a novel peak power reduction scheme based on trellis shaping is proposed for single-carrier pulse-shaped phase shift keying (PSK) systems.
ici3
- 使用ICI自我相消的方法條件下，來觀察使用訊號與干擾的大小CIR(載波干擾比值)的變化-Consumers using the ICI method of self-phase conditions, to observe the use of signal and interference with the size of the CIR (Carrier to Interference ratio) changes in
DDSFI-HLJ-NEC
- 三相载波电能表 三相载波电能表 -Three-Phase Carrier Energy Meter Three-Phase Carrier Energy Meter Three Phase Energy Meter Three-Phase Carrier Energy Meter carrier
DXB
- 福星小程单相电能表载波通信模块结构要求V1.0-Fuxing small range of single-phase energy meter-carrier communication module structure requires V1.0
QAM_16
- 16QAM载波同步的影响仿真，针对有频偏，有相偏，无频偏相偏情况下的星座图。-16QAM carrier synchronization of simulation, for a frequency offset, a phase offset, phase offset without offset under the constellation.
frerecov
- 通信系统中有关于利用锁相环完成载波跟踪恢复的仿真功能-Communication system using phase-locked loop on the completion of the simulation function to restore the carrier tracking
BPSK
- In BPSK modulation, the phase of the RF carrier is shifted 180 degrees in accordance with a digital bit stream. A form of phase modulation in which the modulating function shifts the instantaneous phase of the modulated wave between predetermined dis
abc
- Abstract—This paper describes a pseudorandom carrier modulation scheme and its harmonic spectra spread effect. The pseudorandom carrier of the proposed scheme are produced through the random synthesis of the two triangular carriers, each of the
gmskmod
- GMSK调制，先实现相位的计算，再加入载波调制，输出GMSK信号-GMSK modulation, the first implementation phase of the calculation, then add carrier modulation, the output GMSK signal
SPWM_ASM
- 使用汇编语言要生成PWM，通过设定基波频率，载波频率，最大分辨率参数生成点数步进角度（弧度）等，生成在相PWM表的一个软件-Using assembly language to generate PWM, by setting fundamental frequency, carrier frequency, the maximum resolution parameter generation step angle points (in radians), etc., generated in
1
- msp430 逆变，单相逆变，载波20kHz，调制波50Hz，-Inverter, single-phase inverter, carrier 20kHz, modulation wave 50Hz,
081701
- msp430，单相逆变，载波20kHz，调制波50Hz-msp430, single-phase inverter, carrier 20kHz, modulation wave 50Hz
research_for_acqusition_channel
- 一种新的捕获方法的探索，码相位和载波频率分开进行捕获，结果更精准-A new acquisition method of exploration, code phase and carrier frequency separation of capture, the result is more accurate
PLLC
- 本程序利用平方环实现载波同步，使用锁相环进行跟踪相位偏移-This program makes use of the square ring to achieve carrier synchronization, with the use of PLL to track the phase shift
matlabASKPSKFSK
- 数字信号的传输方式分为基带传输和带通传输，在实际应用中，大多数信道具有带通特性而不能直接传输基带信号。为了使数字信号在带通信道中传输，必须使用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。这种用数字基带信号控制载波，把数字基带信号变换为数字带通信号的过程称为数字调制。通常使用键控法来实现数字调制，比如对载波的振幅、频率和相位进行键控。-Transmission of digital signals into base band transmission and band-pass tr
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-EVA Three-phase SPWM waveform generated the following general-purpose timers T1 operates in continuous up/down counting mode, resulting in triangular car