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2ASK.二进制幅度键控
- ASK（二进制幅度键控）是一种最简单的数字信号的载波传输，本文通过对数字信号的2ASK调制，解调在不同信噪比的情况下误码率分析，得出不同信噪比下的误码率。 通过对2ASK的仿真更好的理解了数字调制系统的组成以及各模块的功能。 ,ASK (binary amplitude shift keying) is a simple digital signal carrier transmission, this paper 2ASK digital signal modulation, demod
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
aprbs_sinyal_u
- amplitude pseudo random binary signal
kav7key090507
- 以把直接数字频率合成（DDS）看成这样一种技术，它能用数字值形式的信号控制正弦波的频率。最简单的DDS电路包括一个二进制计数器，一个以等间隔正弦波值进行全波编程的ROM，以及一个数模转换器，用于将存储的正弦波值转换为电压。计数器的时钟频率决定了正弦波的频率，但这种结构并不灵活。 -To the Direct Digital Synthesis (DDS) as such a technology, it can use the digital value of the form of the
Matlab
- 信号编码与译码中的二值图像游程编码算法的Matlab实现，谢谢~-Signal encoding and decoding the binary image run-length coding algorithm Matlab implementation, thank you ~
manchester2bin
- used matlab here to generate binary signal
pipeilvboqi
- 通过采用神经网络中的Clipping方法和MonteCarlo修改学习算法，对用于光学模式识别的纯相位二值化匹配滤波器进行了优化设计。计算机模拟结果表明，和传统的纯相位匹配滤波器的相关输出结果相比，其识别输出的信噪比和信号相关峰值得到了明显的提高，从而为今后的光学实现奠定了良好的基础。-Through the use of neural network methods and MonteCarlo modify Clipping learning algorithm for optical pa
FSKshiyan
- 根据FSK调制原理 在二进制频移键控中，幅度恒定不变的载波信号的频率随着输入码流的变化而切换（称为高音和低音，代表二进制的1和0）。来做实验 -According to the principle of FSK modulation in the binary frequency shift keying, the frequency of the carrier signal amplitude constant with the change of the input stream
matlab
- 实验要求：在一张图上绘制三种二进制信号（即反极性信号、开关信号和正交信号）的误码率。这三种信号可以在几何上用“信号空间”中的点来表示。在反极性信号情况下，信号是±s(t)，每个都有能量E。开关信号也是一维信号，所以两个信号为0和s(t)，正交信号我们上课已讲过。要求信噪比为0：12dB。-Experimental requirements: to draw a diagram of three binary signals (i.e., reverse polarity signal, the
matlab
- matlab仿真简单二元信号调制接收机，-Binary signal modulation receiver
2ASK
- 二进制振幅键控(2ASK)的仿真，通过对2ASK的仿真实现对信号的调制-The binary amplitude the keying (2ASK) simulation, simulation of 2ASK modulation of the signal
BPSK_forma_onda_una
- Binary Phase Shift Keying (BPSK) is a type of phase modulation using 2 distinct carrier phases to signal ones and zeros. BPSK is the simplest form of PSK.
simulink
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
t
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
autorun
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
Athan
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
Shaping-correlator-BOC-signal-
- 为了克服原有抗多径算法在偏移二进制载波( BOC)信号上性能不如粗捕码( coar se/ acquisition co de, C/ A 码)的缺点, 并消除 BOC信号在跟踪时特有的多峰模糊特性, 将一种 新的参考码应用在 BOC信号的跟踪中,并与窄相关器以及高分辨相关器( HRC)技术进行了比较, 分别给出了多径误差包络, 从仿真结果中得出了最佳参考码码型,并根据最佳参考码 分析了成形( Shaping) 相关器的噪声性能。Shaping 相关器消除了多峰模糊的特点,并在多径误差包
113
- 介绍了小波二进制变换的基本原理 , 简述了小波变换奇异性和信号突变的关系。 基于小波变换, 给出一种结合3R 准则、 软硬阈值折衷法的奇 异信号小波检测方 法。仿真结果表明此法 既能有效地消除噪 声, 又能较好 保留奇异信号-This paper introduces the basic principle of binary wavelet transform, signal singularity and wavelet transform are briefly discussed the
5.--PSK-Demodulation-(Part-1)
- Phase-shift keying (PSK) is a modulation process whereby the input signal, a binary PCM waveform, shifts the phase of the output waveform to one of a fixed number of states. The demodulation process can be divided into three major subsections, as
SYNCHRONOUS-BINARY-COUNTER
- VHDL (VHSIC Hardware Descr iption Language) is a hardware descr iption language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits. VHDL can also be used as