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constant bit rate
常數位元速率
Last Update: 2006-09-06
Usage Frequency: 1
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a typical user terminal, operating at an uplink bit rate of between 128 and 768 kbps, would employ a small-aperture antenna with a diameter of 66 cm and a solid-state power amplifier (sspa) of 1-3 w. all radio frequency components (sspa, low noise amplifier, and up/down-converters) would be integrated into a small outdoor unit mounted on the reflector.
所有无线电频率部件(固态功率放大器、低噪声放大器和上/下变频器)都将集中装入一个固定在反射器上的小室外单元中。