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Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become
the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise FM
jamming is analyzed by time domain autocorre
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使用QPSK调制的正交频分复用（OFDM）系统的Simulink仿真OFDM Implementation using QPSK Modulation。,QPSK modulation using orthogonal frequency division multiplexing (OFDM) system in Simulink simulation of OFDM Implementation using QPSK Modulation.
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完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.,Orthogonal frequency division multiplexing (OFDM) is becoming the chosen
modulation technique for wireless communications. OFDM can provide large data
rates with sufficient robustnes
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信号的调制与解调,调频、调幅、调相。了解几种基本的调制方法。-Signal modulation and demodulation, frequency modulation, amplitude modulation, phase modulation. Learn some basic modulation methods.
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多用户多载波时频域cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有选择用户数，联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。-Multi-user multi-carrier spread spectrum cdma time-frequency domain of the simulation, the use of programming. Send contain, channel, receiving three c
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关于线性调频波的三个小程序，包括线性调频波的生成，FFT变换，线性调频信号通过匹配滤波器-Linear frequency modulation wave on the three small procedures, including the generation of LFM wave, FFT transform, linear frequency modulated signal through the matched filter
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DMT调制，就是把整个通信信道在频域上划分很多子信道，在每个子信道上仍然采用QAM或类似的带通信号进行传输。其中QAM的通带中心频率应该与相应的子信道的中心频率一致。-DMT modulation, that is, the entire communication channel in the frequency domain divided on a lot of channel in each channel is still used on QAM or similar bandpass
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A simulink simulation model : 4 level frequency shift keying modulation and demodulation simulation.
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北京大学信息科学技术学院通信电路实验讲义：通信电路实验内容包括幅度调制与解调、频率调制与解调、HDB3编解码、2FSK信
号的调制与解调、高频谐振功率放大器或MOSFET高频功率放大器、收发信机主要性能
指标的测试(演示性)等六个实验。-Information Science and Technology, Peking University School of Communication circuit experiment notes: experimental communicat
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一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-ba
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蓝牙技术，功能，协议，调频，纠错，微微网等简介。-Bluetooth technology, functionality, protocols, frequency modulation, error correction, pico-nets profile.
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Descr iption The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 9
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BPSK Bit error Rate of Orthogonal frequency modulation system
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OFDM —— OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，实际上OFDM是MCM Multi-CarrierModulation，多载波调制的一种。其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。此程序为ofdm仿真程序！-OFDM- OFDM (Orthogonal Frequency Division Multiplexing) that is ortho
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正交频分复用的调制的实现代码，调制只用一种方式-Orthogonal frequency division multiplexing modulation implementation of the code modulation only way to
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正交频分复用的调制的实现代码，调制只用一种方式-Orthogonal frequency division multiplexing modulation implementation of the code modulation only way to
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bpsk-binary phse shift keying,fsk-frequency shift keying,hamming code,pcm-pulse coded modulation,dpsk-differential phase shift keying
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半导体激光频率调制和波长调制光谱的理论技术描述-Theoretical descr iption of frequency modulation
and wavelength modulation spectroscopy
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调制解调中接收端中频采样原理及实现方式，可得到接收机采样率及中频信号频率间的关系。非常有用-Intermediate frequency modulation and demodulation in the receiver sampling theory and implementation can be obtained of the relationship between the receiver sampling rate and the IF signal frequency. Ve
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EXPLAIN THE CONCEPT OF FREQUENCY MODULATION
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