In the words flow,the reading intonation,which is related to tone,degree,stop and linking,speed and other factors,is the general pattern of the pitch variation.

Influence of time domain truncation in the parallel filtering on digital demodulation;

Design and application of a programmable digital demodulation and analysis module;

Application of discrete WVD to the digital demodulation for FSK signal;

Design of digital dimming ballast for fluorescent lamp using FMS7401;

The digital dimming electronic ballast based on dimming ballast controller IR21592 that contains a active PFC circuit for universal voltage input and a microcontroller as well as a isolation circuit for connecting to a DALI.

A novel automatic classification of digital modulation;

The discussion of digital modulation technology;

Automatic recognition for digital modulations common used in satellite communication;

Direct digital frequency modulation of phase locking of Ka-band oscillator;

The principle and composition of the passive hydrogen maser is introduced briefly,and an application of digital frequency modulation and digital servo to the passive hydrogen maser for improving the performance of the clock is expounded.

This paper has introduced the advantages of digital frequency modulation broadcasting transmitter,emphasized the basic principles of digital frequency modulation broadcasting exciter and the composing principles and basic functions of each module.