There are two modes of transmit diversity for the third generation mobile communication system WCDMA: open-loop mode and the close-loop mode.
第三代移动通信系统WCDMA的发送分集方式有两种：开环模式和闭环模式，其中开环模式采用基于空间-时间分组编码的STTD发送分集方式。
In the experiment, the feasibility of the digital control is validated for amplitude and phase close loop operation in driven mode.
通过实测，验证了他激模式下幅度控制环路和相位控制环路中实现数字式控制的可行性。
A novel plasma spray power supply based on ZVS soft-switching technology and double close loop control mode is presented in this paper.
介绍了一种基于零电压软开关技术和双闭环控制模式的大功率等离子喷涂高频开关电源。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
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