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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
BWP10A_shuoming
- 单相电力线载波调制解调器（BWP10A载波模块）产品说明书。-Single-phase power line carrier modem (BWP10A carrier module) Manual.
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
Technologyofcarriertrackingforhighdynamicsignalsba
- 高动态给载波的跟踪带来了很大的困难,本文研究采用锁频环( FLL) 和锁相环( PLL) 相结合的方法来实现 载波跟踪-High dynamic to the carrier' s tracking has led to great difficulties, this paper uses frequency-locked loop (FLL) and phase-locked loop (PLL) methods to achieve a combination of carrie
cotas
- Costas环是用来解调双边带抑制载波信号的,也是二相或四相移相键控信号解调的专用环路-Costas loop is used to double sideband suppressed carrier signal demodulation, and also two-phase or four phase shift keying signal demodulation of the special loop
matlab
- 频域捕获，码相位，载波频率确定，时间变短-Capture frequency, code phase, carrier frequency to determine
TU45
- 给出了不同分割数量V条件下的系统的PAPR性能，分割方法为随机分割，辅助相位集合的相位数P=4(即 可选择的范围为{0,π/2,π,3π/4})，N=128，子载波采用QPSK调制，仿真的OFDM符号数为1000个。-V gives the number of different partitions of the system under PAPR performance of random segmentation segmentation, the number of secondary
t4
- 图4.7给出了V=4，相位集合的相位数分别为P=1、2、4、8时的随机分割的PTS-OFDM系统的CCDF的性能图。仿真参数：分割方法为随机分割，子载波数N=128，子载波数据采用QPSK调制，仿真的OFDM符号数为1000个。-Figure 4.7 shows the V = 4, the phase of the collection phase, respectively P = 1,2,4,8 were separated when the PTS-OFDM system perform
asd
- 航空航天通信技术一般采用模拟通信的频率调制和数字通信的移相键控调制方法。这有利于充分应用信道带宽和能源。频率调制是在一定程度上改变载波或副载波的频率来传输信息的调制方法。移相键控调制是利用载波或副载波的相位跳变来传输信息的调制方法。移相键控又分二相移相键控、四相移相键控和多相移相键控，其中以四相移相键控和八相移相键控调制方法的效率较高-Aerospace communications technology commonly used analog communication of frequen
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
ocs-dpsk
- 利用目前最顶级光通信仿真软件VPI平台，此程序可以仿真实现在光载射频系统中的抑制载波差分相移调制（OCS-DPSK）调制格式-Optical communications using the most top VPI simulation software platform, this program can be simulated to achieve the optical carrier suppressed-carrier RF systems in the differential
com_ofdm
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_chan_rayleigh_noise
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_channel_rayleigh
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_full_channel
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb