搜索资源列表
SDR
- 一个DQPSK信号接收与发送部分的软硬件设计。其中IF=70MHZ,信息速率=10MBS,采用带通信号采样技术,数字正交解调和调制技术。NCO频率分辨率为32位,相位分辨率为10位
mfsk
- vhdl mfsk 多进制数字频率调制(MFSK)也称多元调频或多频制。MFSK系统是 2FSK(二频键控)系统的推广,该系统有 M个 不同的载波频率可供选择.每一个载波频率对应一个 M进制码 元信息,即用多个频率不同的正弦波分别代表不同的数字信号,在某一码元时间内只发送其中一个频率。
fftPro
- 用FFT对信号,数据点512,进行滤波将频率为8—15Hz的波滤去。采样间隔0.02。
wvtf
- 重排二次型时频分布应用例程,对信号进行频率归一化处理,时频分布和重排-Rearrangement of quadratic time-frequency distribution of the application of routine, the signal frequency normalized, time-frequency distribution and rearrangement
AD9954pdf
- AD9954是美国AD公司采用先进的DDS技术生产的高集成度频率合成器,它能产生200MHz的模拟正弦波。文章介绍了AD9954的基本特点和引脚功能,分析了其内部结构和工作原理,给出了AD9954在高速调制信号系统中的应用方案。-AD9954 is AD using advanced DDS technology to produce a high level of integration of the frequency synthesizer that can generate the an
signalgenerator
- 用C语言生成的一个低频信号发生器,可调频率,可扫描键盘,选择波形-Using C language generated a low frequency signal generator, adjustable frequency, scan the keyboard, select the waveform
TIM1_TIM3_PWM_ADCOK
- STM32F103 单片机基于库函数V3.5产生PWM信号,及互补PWM信号的程序,ADC,对应PA0,PA1,PA2,PA3 形成反馈回路 调节频率和占空比- base on stm32, develop DCDC converter,here is a programe for you
STM32103_TIM3_PWMOK
- STM32F103 产生PWM信号&互补PWM信号的程序,利用ADC,PA0,PA1,PA2,PA3 形成反馈回路,调节频率和占空比,达到稳压,稳流等功能- base on stm32, develop DCDC converter,here is a programe for you
AD9851
- 基于单片机的AD9850信号发生器,可以实现任意频率的设置和任意角度的调相-AD9850 code
Sweep_3d
- 扫频信号3d分析,时间、幅度、频率三维显示,图形用水墙、分布图显示。-The sweep signal 3d, time, amplitude, frequency, three-dimensional display, graphics water wall maps.
createbandQAM
- 通信编码中,产生一个可变带宽的QAM信号源,可调节带宽和中心频率等-Communication encoding, to generate a variable bandwidth QAM signal source, the bandwidth and center frequency can be adjusted so
c13_tiv2
- 时变信道的频率选择性和时变性。系统的输入是一个BPSK信号。系统的时变特性使BPSK信号作为时间的函数,发生衰减和相位旋转。-Time-varying channel frequency selectivity and time variability. Input to the system is a BPSK signal. System is time-varying characteristics make BPSK signal as a function of time, the o
c12_example2
- 多载波系统中的交调失真,输入信号是频率在11Hz和 14Hz的双音带通信号。-Multicarrier system intermodulation distortion, the input signal is frequency 11Hz and 14Hz dual tape communication number.
IQ
- 无源雷达接收机的系统仿真设计,包含频率带宽等信号仿真-System Simulation Design of passive radar receiver, including signal simulation frequency bandwidth
The-Sampling-filter
- 在不同采样频率下,对已知信号进行采样和滤波,本文附录了MATLAB程序及仿真结果。-At different sampling frequency, the sampled signal is sampled and analyzed, and the MATLAB program is introduced in this paper.
MATLAB-SIG
- 几个有关通信系统的matlab程序,有关信号,包含:a,对抽样频率为90kHz的信号进行下抽样抗混叠滤波器设计的程序,b,信号抽样率转换的程序,c,通过补零内插对信号进行下抽样,分析抽样对信号频谱的影响的程序-Some matlab programs about communiction system,mainly about signal,a,program about filter to signal sampling without aliasing ,b,transfering sign