搜索资源列表
DSP_DESIGN
- 基于C54X的DSP载波数字解调系统的设计，该硬件系统工作稳定，可以实现信号的实时处理，如可以实现语音信号的实时处理，通信信号的实时调制解调灯。在此基础上，为了验证DSP芯片的高性能，在此硬件平台上实现了两个具体应用：一个是高性能的FIR数字滤波器；一个是2FSK数字解调算法的实现。-C54X DSP-based carrier digital demodulation system design, the hardware system stability, can achieve the r
GMSK
- GMSK是高斯滤波的最小频移键控的简称，基本的工作原理是将基带信号先经过高斯滤波器成形，再进行最小频移键控(MSK)调制。由于成形后的高斯脉冲包络无陡峭边沿，亦无拐点，因此频谱特性优于MSK信号的频谱特性。-GMSK Gaussian filter is the smallest FSK abbreviation, the basic working principle is to base-band signal to pass Gaussian filter shape, and then
DDS-baseddesignofthesinusoidalsignalgenerator
- 本设计采用AT89552单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术(DDS)的正弦谊号发生器。设计中采用DDS芯片AD9850产生频率1KHZ~10MHZ范围内正弦波，采用功放AD811控制输出电压幅度， 由单片机AT89S52控制调节步进频率1HZ。在此基础上，用模拟乘法器MC1496实现了正弦调制信号频率为1KHZ的模拟相度调制信号；用FPGA芯片产生二进制NRZ码,与AD9850结合实现相移键控PSK、幅移键控ASK、频移镇键FSK。-AT89552 the singl
fsk
- FSK调制解调器的单片机实现，解决了利用复杂的电路或者昂贵的调制解调模块来实现FSK的调制与解调的问题。-THE MCU implementation of FSK-modulation and demodulation.
simulink
- simulink的数字调制解调仿真。以simulink为基础平台，对2ASK、2FSK、2PSK信号的仿真-Digital modulation and demodulation simulink simulation. The simulink-based platform, 2ASK, 2FSK, 2PSK Signal Simulation
FSK519862365
- 水声信道的时变相位起伏使得实现可靠的相位跟踪比较困难, 从而造成基于相位检测的 水声通信接收机结构复杂。提出基于FSK 调制的直接序列扩频(DSSS2 FSK) 水声通信系统。-Underwater acoustic channel disguised bit of time to achieve reliable phase fluctuations make tracking more difficult, resulting in detection based on phase
bpsk
- Digital Modulation Simulation -fsk & bpsk
fsk
- 一个通信网络基础的课程设计，是FSK信号键控调制相干解调的SystemView系统设计-A communications network based on curriculum design, the FSK signal keying modulation coherent demodulation SystemView System Design
ASK---FSK---PSK
- 数字调制技术的发展日新月异现如今信息技术不断的推陈出新，信息的传输及通信起着支撑作用。而对于信息的传输，数字通信已经成为重要的手段。因此，数字信号的调制就显得非常重要。数字调制是通信系统中最为重要的环节之一，而实现数字调制需要的方法就需要用键控法来实现，比如可以对载波的振幅、频率和相位进行键控。-ASK , FSK , PSK modulation and demodulation of the simulation comparison
dssdfsf
- FSK QPSK AND DPSK MODULATION
FSK-modulation
- 基于神经网络的FSK信号解调技术研究,希望那些对于神经网络有研究的人有帮助。-Based on Neural Network FSK signal demodulation techniques, hope that those who have studied the neural network to help people.
Baseband-modulation
- 基带数字信号调制方法总结.包括ASK PSK FSK-Baseband digital signal modulation methods are summarized, including ASK PSK FSK
KDZe8l8F
- 基于FPGA的fsk数字调制与解调代码，用quartus软件-FSK digital modulation and demodulation based on FPGA code
pll
- Phase Locked Loops (PLL) Introduction to PLL The concept of Phase Locked Loops (PLL) first emerged in the early 1930’s.But the technology was not developed as it now, the cost factor for developing this technology was very high. Since the adva