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СŹҵʱǰƵټҲΪִҪչ򣬶ΪƵϵͳĺ-ƵҲԽԽΪӵľأ˱Ƶ칤յġ족⣬ԱƵʲôĿƷʽҲǷdzҪġ

Ƶķ

1.ֱԴʷࣺ

a.ͱƵ.ͱƵصмֱڲôΪܻڣ޹ʣƵı仯ʹѹӽҲڸֱϴ󣬹ʳƵԴͱƵ()ͱƵص(ŵ)ܶƸصƵı仯ѡڸص仯ϴij

b.ѹͱƵ.ѹͱƵصмֱڵĴԪôݣص޹ʽ壬ֱѹȽƽȣֱԴС൱ڵѹԴʳƵѹͱƵѡڸصѹ仯ϴijϡ

2.·ʽࣺ

a.ѹͱƵڵѹͱƵУ·ն··Ҫֱѹֱͨм·ĵݽƽ·ֱм·ֱѹԴáѹԴֱѹ·бתΪƵʵĽѹ

b.ͱƵڵͱƵУ·ֱͨм·ĵ翹ƽ·ֱм·ԴãԴֱ·бתΪƵʵĽΪṩ綯

3.տʽࣺ

a.PAMơPAMPulseAmplitudeModulation()Ƶļƣһ·ֶѹ()ķֵпƣ·ֶƵʽпƵĿƷʽ

b.PWMơPWMPulseAmplitudeModulation(ȵ)Ƶļƣ·ͬʱѹ()ķֵƵʽпƵĿƷʽ

c.ƵPWMơֿƷʽԭʵǶPWMƷʽĸĽΪ˽͵綯תõһֿƷʽֿƷʽУƵߵ˶Ƶ(10-20kHz)ϣӶﵽ͵綯Ŀġ

4.任Ļڷࣺ

a.ɷΪ-ƵƵֱӱ任ƵʵѹɵĽֱֳʽƵ

b.-ֱ-ƵȰѹƵֱͨȻֱٰ任ƵʵѹɵĽֳƼʽƵĿǰ㷺ӦõͨͱƵ

ڣ2020-10-15 Ķ129
 

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