CAJ | 학술논문

介绍了短波无线信道的传播特性，重点介绍了短波信道的损耗特性，给出了短波在天波传输和地波传输两种方式下的损耗特性的估算方法，分析了短波小尺度衰落时采用的Clarke和Jakes仿真模型。采用MATLAB软件仿真了短波在天波传输方式下的大尺度衰落特性、小尺度衰落特性和误码率特性，得到了短波通信时的中值衰落波形、总衰落波形和误码率仿真结果，可以为外场试验提供参考数据，为联合仿真提供短波信道物理层特性。
개소료단파무선신도적전파특성，중점개소료단파신도적손모특성，급출료단파재천파전수화지파전수량충방식하적손모특성적고산방법，분석료단파소척도쇠락시채용적Clarke화Jakes방진모형。채용MATLAB연건방진료단파재천파전수방식하적대척도쇠락특성、소척도쇠락특성화오마솔특성，득도료단파통신시적중치쇠락파형、총쇠락파형화오마솔방진결과，가이위외장시험제공삼고수거，위연합방진제공단파신도물리층특성。
IN this paper,introducing the propagation characteristics of high frequency wave wireless channel,focus on introducing the loss characteristics of high frequency wave channel,the estimation method of two ways loss characteristics of high frequency wave in the sky wave transmission and ground wave transmission is given,the analysis of Clarke and Jakes simulation model in high frequency wave small scale decline is given. Simulating large scale fading characteristics,small scale fading characteristics and BER features of high frequency wave under the sky wave transmission method in using the MATLAB software,got the value decline waveform,the general decline in waveforms and BER simulation results of high frequency wave communication,providing reference data for field test,providing physical characteristics of high frequency wave channel for joint simulation.