Perform OQPSK modulation and demodulation and apply root raised cosine filtering to a waveform. System initialization Define simulation parameters and create objects for OQPSK modulation and demodulation. Get sps = 12; % samples per symbol bits = randi([0, 1], 800, 1); % transmission data ...
First of all, the OQPSK modulation and demodulation technology development as well as the background and study of current conditions is introduced and followed by a simple expound of QPSK modulation and demodulation principle. Because OQPSK is an improved version of QPSK, they share the same phase...
Demodulation using OQPSK method expand all in page Libraries: Communications Toolbox / Modulation / Digital Baseband Modulation / PSK Description The OQPSK Demodulator Baseband block applies pulse shape filtering to the input waveform and demodulates it using the offset quadrature phase shift keying (OQP...
OQPSK Dictionary, Encyclopedia and Thesaurus - The Free Dictionary13,864,435,944visits served TheFreeDictionary Google ? Keyboard Word / Article Starts with Ends with Text EnglishEspañolDeutschFrançaisItalianoالعربية中文简体PolskiPortuguêsNederlandsNorskΕλληνικήРусс...
PURPOSE: To implement correct inverse modulation to a demodulation signal. ;CONSTITUTION: A demodulation circuit is provided with a quasi-synchronization detection means 11 converting a digital phase modulation signal into a base band signal, a sampling means outputting a first time series date of ...
In the paper, the modulation and demodulation principle of OQPSK(offset positive photograph shift keying) format has studies and analyzes based on the QPSK modulation. And the free space optical communication(FSO) system performance based on OQPSK format has depthly studied. And the structural of ...
on the basis of the analysis of its working mechanism and key technologies,the modulation and demodulation technology in the system was studied in depth.The π/4-OQPSK modulation method was used as the research object,and the communication process was simulated and analyzed.The simulation results ...
1. Performance of OQPSK in the presence of nonideal transmitters; 非理想发射机情况下的OQPSK性能分析2. Design and Realization of OQPSK Demodulation Based on FPGA Technique; 基于FPGA的OQPSK解调器的设计与实现3. An All-Digital OQPSK Demodulator Based on Carrier Synchronization Technique of the Method ...
In non-cooperative communication,OQPSK demodulation faces the problem of mutual effect between timing and carrier phas%偏移四相相 移键控(OQPSK)是一种适用于在限带非线性信道中使用的高效恒包络数字调制 技术。在非协作通信中,针对 OQPSK 信号的盲解调面临位定时提取算法受相位偏 移敏感的特性,以及估计参数...
shift keying (OQPSK: offset quadrature phase shift keying) modulation technique is the spectral characteristics of the constant envelope modulation techniques, and has a very high spectral efficiency and power utilization.Environment suitable for a data transmission system, the practical application of a ...