In this algorithm,each earth station first estimates the carrier frequency offset of the received network management broadcast channel,and then estimates the frequency of the reference source of each station and the LO frequency of satellite transponder,and finally,open loop frequency compensation is added to the transmitter or the receiver to achieve fast synchronization of the communication si.

Atrial cells were divided into four groups: control group, rapid pacing group, verapamil with rapid pacing group and verapamil without rapid pacing group.

Objective: This study aims at observation the effects of provastatin on ionic channel of rapid pacing atria by pravas-tatin therapy for the canine which subjected to atrial rapid pacing.

AIM To study the changes of ultramicrostructure in atrial myocytes and the expressions of mitogen-activated protein kinases(MAPKs) after rapid pacing.

A new method for designing ballistic missile launch device rapid-erection system is presented to overcome the disadvantage of erection system,which uses fuzzy controller.

A new method for designing ballistic missile launch device rapid-erection system is presented to overcome the disadvantage of erection system, which uses linear model following method.