For a long time, a common and popular method to solve current convergence problem of microwave power transistor is using emitter ballasting resistor, such as PTC, CTR thermistor, passive devices etc.
长期以来，解决微波功率晶体管的电流集中问题的通用做法是使用发射极镇流电阻，以及PTC,CTR热敏电阻等无源器件。
An algorithm used trigonometry to passively locating a moving emitter with direction of arrival (DOA) and time difference of arrival (TDOA) of the emitter signal is given.
提出了一种利用平面解三角，并结合辐射源信号到达方向和脉冲到达时间差对运动辐射源进行单站无源定位的算法。
China's carbon emissions will start falling by 2050, its top climate change policymaker said, the first time the world's largest emitter has given such a time-frame.
中国应对气候变化的高层政策制定者表示，中国的碳排放到2050年将开始减少。这是全球最大排放国第一次提供这样的时间框架。
We have the geometry, now it's time to create the emitter.
我们有了几何体，现在要创建发射器。
A polysilicon emitter RCA microwave transistor was fabricated to fit the power application for the first time.
首次采用多晶硅发射区RCA技术制备出微波功率晶体管。
In this paper a method to locate and track a 3-d moving emitter using measurements of direction of arrival and time of arrival is discussed.
本文讨论了利用到达角和到达时间测量数据对三维运动辐射源进行定位与跟踪的方法。
The relation of stress time to parameter degradation is investigated under the condition of reverse bias of base-emitter junction.
在基极-发射极反向偏置的条件下，研究了应力作用时间与器件参数的退化关系。
The relation of stress time to parameter degradation is investigated under the condition of reverse bias of base-emitter junction.
在基极-发射极反向偏置的条件下，研究了应力作用时间与器件参数的退化关系。
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