求翻译：从电源理论方面的知识可知，正弦脉宽逆变电路可以产生大功率信号，其原理是通过一系列等幅不等宽的脉冲调制信号驱动两组大功率开关管的互补导通实现供电电源直接带动负载。在这种电路中，只要供电电源能够提供足够的输出电流，且大功率开关管的漏极导通电流足够大，则电路的输出功率就能够变得很大，可以达到几十瓦或几百瓦，这种电路称为正弦脉宽逆变电路。是什么意思？

Theoretical knowledge from the power known, sinusoidal pulse inverter circuit can produce high-power signal, the principle is wide ranging series of pulse amplitude modulated signal driving two complementary high-power switch turns the power supply to achieve directly drive the load. In this circuit

We know from power supply theoretical knowledge, sine pulse width inverter circuit can produce high-power signals, such as its principle is through a series of pulse width modulation signal range in power two high-power switch control group the complementary conduction achieve power supply direct dr

May know from the power source theory aspect knowledge, the sine p

From the power supply theoretical knowledge, sinusoidal PWM inverter produces high power signals, the principle of which is through a series of constant-amplitude pulse modulation signal in two groups of RHS complementary on-realization of power supply of high power switching valve directly-driven l