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qam8_nograycode
- An 8-QAM communications channel simulation in Simulink, constructed from a 16-QAM model and using an I,Q correlation receiver. QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (
LPFPAM
- LPF Rectangular PAM Communication System. Pulse-amplitude modulation is widely used in baseband transmission of digital data, with non-baseband applications having been largely superseded by pulse-code modulation,
pulse_shaping
- pulse shaping function: Upsampling the data and Pulse-shaping. Suitable for intergate number of upsampling_rate. psflt_data has the same length with that of data times upsampling_rate. if the length of pulse
smallprograms
- bpsk-binary phse shift keying,fsk-frequency shift keying,hamming code,pcm-pulse coded modulation,dpsk-differential phase shift keying
PulseShapingFilterswithISIFreeProperties
- isi intersybol interferance pulse shaping
UWB_pulse_train
- gaussian pulse train for ultra wide bande system
nflmhamming
- Hamming窗加权非线性调频脉冲压缩程序-Hamming window weighted linear FM pulse compression process
a00000000000
- 基于动态光谱的数字化脉搏血氧检测系统 优秀硕士论文-Based on dynamic spectrum of digital pulse oximeter testing system
Waveletanalysisusingsofthresholdingfilteringinlect
- 在采集信号时,如果传感器没有前置放大, 则传感器输出的压电信号的信噪比会比较低。本文利用小波域软阈值滤波方法对未采用前置放大而采样得到的 信号进行小波分析,大幅度地提高了信号的信噪比,提取的目标信号位置与理论位置吻合的很好。这表明可以通 过小波分析方法很好地改善热超声信号的信噪比,从而降低对微波致热超声成像采集系统中前置放大器的要求-When human tissue is irradiated by microwave
AVRservo
- 该实验使用AVR单片机实验板实现伺服电机的控制。先让伺服电机以一个较慢的速度向一个方向旋转，然后再以较快的速度返回原位。控制伺服电机的脉冲宽度是0.5豪秒至1.5豪秒。-The experiment using AVR microcontroller development board to achieve servo motor control. Let the servo motor to a slower rotation spe
Trans_Doppler_Radar_otherDesign
- Several transactions on Doppler radar based measurement design(i.g., radar pulse imaging, airbourne radar), reporting recent research progress in radar system and remote sensing.-The package contains six transaction pape
pwm
- 整个系统以CPLD为核心逻辑控制器件，配以外围测试及试验电路：显示、时钟信号产生电路、蜂鸣器电路和ByteBlaster的数据变换电路，构成正负脉宽数控调制信号发生器。基于CPLD逻辑控制器件构成的正负脉宽数控调制信号发生器是一个单片系统,整个PWM信号控制所需的各种功能都可由CPLD来实现。-The entire system to the core logic control CPLD devices, together with
juzhenqiuni_FPGA
- RMMSE雷达脉冲压缩快速算法中矩阵求逆的FPGA实现-RMMSE radar pulse compression fast algorithm for FPGA implementation matrix inversion
rsine
- 利用脉冲成形滤波器消除无线通信系统中的符号间干扰-Pulse shaping filter to eliminate the use of wireless communication systems ISI
PULSE
- 人体心率的测试，如果心率超出一定范围则报警。-Human heart rate test, if the alarm goes out of range of heart rate.
fibermode
- 计算光纤模式 Optical signal sources that are capable of generating wavelength tunable ultra-short pulse train with high quality and high repetition rates play an important role in the optical networks-fiber mode
pulse
- 实现功能简述:verilog写的 本模块主要功能是产生一个确定时钟周期长度（最长为256个时钟周期）的脉冲信号，可以自己设定脉冲长度，输出的脉冲信号与时钟上升沿同步 脉冲宽度 = pulsewide + 1 时钟周期 输入一个启动信号后，可以产生一个固定时钟周期长度的脉冲信号，与启动信号的长短无关！脉冲宽度可调！-Functional Descr iption of the module to achieve the
fun_pcnn
- 基于PCNN的特征提取,PCNN用于特征提取时，具体平移、旋转、尺度、扭曲等不变性，这正是许多年来基于内容的图像检索系统追求的目标，同时PCNN用于特征提取时，有很好的抗噪性。而且PCNN直接来自于哺乳动物视觉皮层神经的研究，具有提取图像形状，纹理，边缘的属性。用PCNN能很好地对图像进行签名，将二维的图像的特征提取成一维矢量签名。-Feature extraction of specified object is an impor
wigner
- 该代码通过对常规单脉冲雷达信号、LFM雷达信号和BPSK雷达信号通过wiger变换，得到三种信号的时频图，分析他们的时频关系和区别。-The code on conventional single-pulse radar signals, LFM radar signals and radar signals BPSK wiger transformation, three kinds of time-frequency map ana
pcm
- 脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，