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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
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本文利用核心芯片TDA5051A，采用ASK（幅度键控）调制技术，建立电力线通信系统，实现数字信号在电力线上进行传输。
关键词:电力线通信 TDA5051A 调制解调器
-In this paper, the core chip TDA5051A, using ASK (amplitude shift keying) modulation technology, the establishment of power line communication systems, digital
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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-The transmission mode of the digital signal is divided into a base-band trans
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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-The transmission mode of the digital signal is divided into a base-band trans
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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
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该文提出一种基于广义分数阶傅里叶变换和分数低阶Wigner-Ville 分布的数字调制识别新方法，该方法提取广义分数阶傅里叶变换的零
中心归一化瞬时幅度谱密度的最大值和分数低阶Wigner-Ville 分布幅度的最大值作为识别特征参数，并采用判决树分类器，实现了非高斯噪声下数字调制信号识别。-This paper presents a generalized fractional Fourier transform and fractional lower order Wigner-Vill
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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
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Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, Compact Discs, digital telephony and other digital audio applications. In a PCM stream, the amplitude o
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数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。
-Digital modulation is the spectrum shifting to high frequency digital baseband signals, suitable for the formation of ban
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Pulse Width Modulation (PWM) is dramatically different form PAM in that it performs sampling in time whereas PAM provides sampling in amplitude. Consequently, the information is coded into the pulse time position within each switching interval. PWM o
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Pulse Width Modulation (PWM) is dramatically different form PAM in that it performs sampling in time whereas PAM provides sampling in amplitude. Consequently, the information is coded into the pulse time position within each switching interval. PWM o
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Amplitude shift keying(ASK) modulation
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Quadrature ampliltude modulation has high spectral efficiency but is highly sensitive to power amplifier
nonlinearities. It is shown that an adaptive predistorter usig polynomial amplitude and phase
predistortion functions can be used to lineariz
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A noncoherent, bandwidth-efficient modulation
scheme is proposed for frequency-hopping multiple-access
(FH-MA) networks. The proposed scheme is a combination
of noncoherent -ary amplitude-shift keying (NMASK) and
orthogonal frequency-division
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使用matlab实现智能预测控制算法，自己编的5种调制信号，仿真图是速度、距离、幅度三维图像。- Use matlab intelligent predictive control algorithm, Own five modulation signal, FIG simulation speed, distance, amplitude three-dimensional image.
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仿真图是速度、距离、幅度三维图像，自己编的5种调制信号，一种流形学习算法（很好用）。- FIG simulation speed, distance, amplitude three-dimensional image, Own five modulation signal, A fluid manifold learning algorithm (good use).
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设计一个简易数字信号ASK调制系统。系统数字基带信号V1为m序列伪随机信号，载波信号V2为正弦波周期信号，V3为V1经二进制幅移键控调制后的输出。系统输入为CLOCK和RESET信号，CLOCK是系统时钟信号，上升沿触发。RESET为系统异步复位信号，高有效。(A simple digital signal ASK modulation system is designed. The system digital baseband signal V1 is m sequence pseudo r
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针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QA
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