| 1. | Direct transformation of solar energy into electrical energy . terrestrial photovoltaic modules
太阳能电能的直接转换.陆地用光电模数 |
| 2. | Direct transformation of solar energy into electrical energy . photovoltaic pumping system . predicted characteristics
太阳能电能的直接转换.光电泵送装置.预测特性 |
| 3. | Direct transformation of solar energy into electrical energy . terrestrial photovoltaic modules in temperate area . intermediate standard
太阳能电能直接转换.温带环境的陆地用光电模数.中间标准 |
| 4. | Direct transformation of solar energy into electrical energy . terrestrial photovoltaic modules in tropical environment . intermediate standard
太阳能电能的直接转换.热带环境的陆地用光电模数.中间标准 |
| 5. | Direct transformation of solar energy into electrical energy . terrestrial photovoltaic modules in equatorial environment . intermediate standard
太阳能电能的直接转换.赤道环境的陆地用光电模数.中间标准 |
| 6. | The excitation may be obtained by different ways and relaxation of their excited states leads to luminescence . eftl is a phenomenon of direct transformation of electrical energy into optical energy
通过不同方式，它可使材料达到激发态，然后弛豫发光，是一种从电能直接转化成光能的现象。 |
| 7. | Besides these , it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion , the conversion relations of the matrix converter were deeply investigated . the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling , sin ~ iu1ation and experiment of a three - phase matrix converter were implemented
本文从等效交一直一交变换的空间矢量调制方法出发，深入分析了矩阵式变换器的变换关系，推导出了交一交直接变换控制规律和双空间矢量pwm调制技术，实现了交一交直接变换控制方式下矩阵式变换器的建模和运行分析，并进行了计算机仿真和实验研究。 |
