Technical Characteristics and Maintenance Points of Digital Amplitude Modulation Medium Wave Broadcasting Transmitter
The technical characteristics and maintenance points of digital amplitude modulation medium wave broadcasting transmitter are deeply studied,and the key technical details of transmitter structure,modulation technology,power amplification and efficiency optimization,spectrum efficiency and transmission quality,signal processing and transmission are analyzed.In the aspect of power amplifier design,the efficient energy conversion mode of class D and class E power amplifiers is discussed.In the aspect of modulation technology,the optimization effects of Digital Pre-Distortion(DPD)and efficient modulation scheme on signal linearity and spectrum purity are emphatically studied.In terms of maintenance points,the daily maintenance and monitoring,fault diagnosis and treatment,performance optimization and environmental and electro magnetic compatibility are analyzed,and measures to improve the efficiency of power amplifier,control the modulation accuracy,heat dissipation management and electro magnetic compatibility are put forward to ensure the efficient and stable operation of the transmitter.
digital amplitude modulationbroadcasting transmittertechnical characteristic
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