The microwave tube is the main component of microwave band transmitter. To satisfy the equipment demand, many research institutes and factories carried on fruitful development in the latest years.

微波管是构成微波波段发射机的主要器件，为了满足装备的需要，很多研究所和工厂多年来都在进行卓有成效的研制。

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The MIMO systems use multiple antennas at both the transmitter and receiver to transmit signal in the same frequency band at the same time can significantly increase the channel capacity.

MIMO系统在发送端和接收端利用多个天线同时在相同的频带内传输信号，使得信道容量得到很大的增加。

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The selection of plan of super small size s band FM transmitter, its circuit design and structural arrangement are introduced, and the stability and quality of the transmitter are also analyzed.

介绍S波段超小型调频发射机方案的选择、电路设计、结构安排，并对该发射机的稳定性和质量进行了分析。

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Rolled out in the late 1990s, many of these original satellites have suffered suspected radiation damage to their S-band transmitter equipment, which has limited their ability to handle two-way communications.

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