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MSP430_SDJC
- 本系统基于TI公司的MSP430系列芯片，结合模拟电路实现市电频率、电压、电流以及电压和电流之间相位差的测量。通过对市电波形的采集，系统还完成有功功率、无功功率的计算以及波形频谱的分析。-The system is based on TI' s MSP430 family of chips, combining analog circuit realization of the city of frequency, voltage, current and phase difference
Thejammingofspreadspectrumcommunicationssystemandt
- 西电毕业论文，文章详细的阐述了直扩原理并且进行了仿真。扩展频谱技术有多种基本实现方式，本文主要介绍的是直接序列 扩频技术，特别针对二进制的 PSK调制解调技术，直接序列扩频系统的抗干 扰能力分析与直接序列扩频系统的同步方法，并进行了相关仿真分析。-Spread spectrum communications has many basic manners of implementation, this paper main introduces the dir
Costas
- 介绍了某直接序列扩频、QPSK调制系统接收通道中四相Costas 载波跟踪环的原理及其基于 DSP+FPGA 的实现-Introduced a direct-sequence spread spectrum, QPSK modulation system, receive path Costas carrier tracking loop four-phase principle and its implementation based on DSP+ FPGA
ANOlog_TMS320F28335
- 本装置采用单相桥式DC-AC逆变电路结构，以TI公司的浮点数字信号控制器TMS320F28335 DSP为控制电路核心，采用规则采样法和DSP片内ePWM模块功能实现SPWM波。最大功率点跟踪（MPPT）采用了恒压跟踪法（CVT法）来实现，并用软件锁相环进行系统的同频、同相控制，控制灵活简单。采用DSP片内12位A/D对各模拟信号进行采集检测，简化了系统设计和成本。本装置具有良好的数字显示功能，采用CPLD自行设计驱动的4.3’’彩色液晶TFT LCD非常直观地完成了输出信号波形、频谱特性的在线
Measurements-of-coating-density
- 基于超声波检测系统的测距原理，以及相应的方法和原理图及仿真图等-Measurements of coating density using ultrasonic reflection coefficient phase spectrum
QPSK_DSSS
- 该程序使用verilog语言，编写了QPSK-DSSS系统的发端，主要模块包括对同相分量和正交分量的扩频，通过根升余弦滤波器，以及与载波相乘等模块。-The program uses the verilog language, written QPSK-DSSS system, the originator, the main modules include in-phase and quadrature components of the spectrum, through the root
spectrum_system_back
- 完成对干涉数据光谱反演的一系列操作：FFT及相位对齐参数的计算。-Completion of the interference spectrum inversion of the data series of operations: FFT and phase alignment parameter calculations.
utsya
- Constituting the modulated signals of different frequencies, Channelized receiver based on multi-phase structure, Rotating machinery 2-d holographic spectrum calculation.
0722
- Fractional Fourier transform computing, Rotating Machinery dimensional hologram of practical spectrum calculation routines, Channelized receiver based on multi-phase structure.
parwn
- Rotating machinery 2-d holographic spectrum calculation, Least-squares regression analysis algorithm, Three-phase photovoltaic inverter and network simulation.
4451
- Mutual information is useful to calculate a set of procedures, You can get a very accurate amplitude, frequency, phase estimation, Energy spectrum analysis and calculation.
kuwsp
- IDW inverse distance weighting method, Suppressed carrier type differential phase modulation, Rotating Machinery dimensional hologram of practical spectrum calculation routines.
py348
- Continuous phase modulation signal (CPM) to produce, It can be directly calculated multi-fractal spectrum, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods).