Power spectrum of GMSK and transmit eye patterns and bit error rate performance is given.
给出了GMSK信号的功率谱曲线,传输眼图与误比特率性能。
GMSK modulation technology is used to improve spectrum utilization and communication quality.
利用GMSK调制技术提高了频谱利用率和通信质量。
An iterative decoding scheme is proposed for the concatenation of a convolutional code and a GMSK modulator.
提出了卷积码与GMSK(高斯最小移频键控)调制器级联系统的一种迭代译码方案。
Specifically, one implementation calls for transmission in alternating GMSK-8-PSK schemes in different slots.
特别的是,有一种实现方案要求在不同的时隙中以GMSK和8 - PS K方案轮流进行发送。
It introduces a method that USES FX489 to complete GMSK modulation and demodulation, it's performances is analyzed.
提出了一种利用FX489实现GMSK调制解调的方法,分析了其性能。
Still further, a mode bit may be transmitted to indicate the mode of operation for the next slot, e. g., 8-psk or GMSK mode.
更进一步,可以传送模式比特,它用来指示下一个时隙的工作模式,如8 - PS K模式或GMSK模式。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
为了实现GMSK信号解调,接收机中dsp实现了调制信号的误差频谱估计、位同步恢复及译码。
This paper presents a new radio station data communication scheme, a DS-GMSK system based on in-band spread- spectrum technology.
提出了一种采用DS-GMSK体制、基于带内扩频技术的无线电台数字通信方案。
Therefore, the implementation of GMSK modem is innovative and of great significance in theoretical research and practical application.
在实现方法上提出了一种新的解决方案,为理论研究提供了一种依据,具有一定的实用价值。
Paper focuses on the use of all-digital technology design GMSK modem for a more extensive use of GMSK modulation and demodulation technology.
论文重点研究利用全数字化技术设计gmsk调制解调器,以便更广泛地使用gmsk调制解调技术。
According to the modulation theory of GMSK, the input data are simulated. On the top of simulation, signal graph and phase-path of the GMSK are painted.
根据GMSK的调制理论,对输入数据进行GMSK调制仿真,得出GMSK调制信号波形以及相位路径图。
It also studies the algorithms of FSK, MSK, GMSK modulation and demodulation mode, and summarizes the general the software modulation and demodulation algorithm.
进行了FSK,MSK和GMSK调制解调的算法的研究,并在此基础上总结了部分数字信号调制的通用的算法。
This paper introduces the characteristics of GMSK modulation, discusses the relationship between Gaussian Filter BT value and the performances of GMSK modulation.
本文介绍了GMSK调制方式的特点,给出了高斯滤波器BT值与GMSK调制方式性能的关系。
Compared with traditional decoding method, simulation results of the new scheme show evident improvement in overcoming the severe intersymbol interference (ISI) of GMSK signals.
仿真结果表明,与传统的译码方法相比,新方案对于克服GMSK信号所固有的严重符号间串扰(ISI)有明显的改进。
W78E52B is used as a modem control MCU chip, FX589 as GMSK modulation and demodulation chip, the design and realization of the modem. The circuit is simple, reliable and small size.
利用W78E52B单片机作为调制解调器的控制芯片,FX589作为GMSK调制解调芯片,设计并实现了调制解调器。
Simulation results show an evident improvement in AWGN and correlated Rayleigh fading channels. The severe intersymbol interference (ISI) of GMSK signals is also effectively suppressed.
仿真结果表明,在AWGN加性高斯白噪声和相关瑞利衰落信道下,系统性能均有显著改进,并能有效克服GMSK信号所固有的严重符号间串扰ISI。
GMSK schemes typically transmit in a saturated mode in which transmitted data is output from the pa with a constant amplitude as measured by power versus time during the useful part of the burst.
GMSK方案一般在饱和模式下进行发射,其中在脉冲串的有用部分期间,功率放大器以功率幅度不随时间变化的方式发送数据。
GMSK schemes typically transmit in a saturated mode in which transmitted data is output from the pa with a constant amplitude as measured by power versus time during the useful part of the burst.
GMSK方案一般在饱和模式下进行发射,其中在脉冲串的有用部分期间,功率放大器以功率幅度不随时间变化的方式发送数据。
应用推荐