锟斤拷锟斤拷锟斤拷锟酵發(f锟斤拷)電機(j锟斤拷)锟紺(j锟斤拷)锟組锟斤拷锟斤拷原锟斤拷锟斤拷锟斤拷锟�

 

锟斤拷锟斤拷锟斤拷锟酵機(j锟斤拷)锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟缴讹拷N聲源锟斤拷(g锟斤拷u)锟缴的忥拷(f锟斤拷)锟絪聲源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷輻锟戒方式锟斤拷锟斤拷锟酵機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟皆分烇拷諝锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟酵憋拷锟斤拷輻锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸產(ch锟斤拷n)锟斤拷锟侥機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟酵機(j锟斤拷)锟斤拷锟斤拷輻锟斤拷锟斤拷锟斤拷锟街匡拷锟皆分烇拷燃锟斤拷锟斤拷锟斤拷锟酵機(j锟斤拷)械锟斤拷锟斤拷锟斤拷锟斤拷锟叫空氾拷锟�(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷源锟斤拷

 

锟斤拷锟斤拷锟秸氾拷锟�(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷锟秸氾拷锟�(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节氾拷锟絯锟侥非凤拷(w锟斤拷n)锟斤拷锟絕(gu锟斤拷)锟教ｏ拷锟斤拷锟缴氾拷锟絯锟侥擾锟斤拷(d锟斤拷ng)锟皆硷拷锟斤拷锟絯锟絚锟斤拷锟絯锟斤拷锟洁互锟斤拷锟矫讹拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷輻锟斤拷目諝锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟脚氾拷锟斤拷锟斤拷锟斤拷锟斤拷s锟絃(f锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷1锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟角诧拷锟酵機(j锟斤拷)锟斤拷锟斤拷要锟秸氾拷锟�(d锟斤拷ng)锟斤拷锟斤拷锟斤拷之一锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟絖(k锟斤拷i)锟斤拷锟絚锟絔锟较讹拷锟絘(ch锟斤拷n)锟斤拷锟侥夛拷锟斤拷锟斤拷锟阶冿拷锟斤拷锟斤拷纬傻锟�锟斤拷锟斤拷(d锟斤拷ng)锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)锟絖(k锟斤拷i)锟斤拷锟絩(sh锟斤拷)锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷挟a(ch锟斤拷n)锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟絵锟絖锟斤拷锟斤拷锟絊锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟絤(x锟斤拷)锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟杰碉拷锟斤拷锟结；锟斤拷(d锟斤拷ng)锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)锟絇(gu锟斤拷n)锟絔锟絩(sh锟斤拷)锟斤拷同锟接產(ch锟斤拷n)锟斤拷一锟斤拷(g锟斤拷)锟斤拷一锟斤拷锟斤拷锟絤(x锟斤拷)锟絩(sh锟斤拷)锟絞锟侥夛拷锟斤拷锟絵锟絖锟斤拷锟斤拷锟角產(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟皆碉拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絣锟绞成凤拷锟斤拷要锟斤拷锟斤拷锟斤拷200Hz锟斤拷锟铰的碉拷锟絣锟斤拷锟斤拷锟斤拷锟絚锟斤拷同锟絩(sh锟斤拷)锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟皆革拷锟斤拷锟斤拷锟斤拷(j锟斤拷ng)锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)锟斤拷通锟斤拷锟斤拷r(sh锟斤拷)锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷脫锟絯锟斤拷锟斤拷(d锟斤拷o)锟铰革拷锟絣锟斤拷锟斤拷锟侥產(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)通锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷變锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷l锟绞凤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷1000Hz锟斤拷锟较的革拷锟絣锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷芸諝锟斤拷锟斤拷墓锟斤拷锟斤拷l锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟絣锟斤拷锟斤拷一锟铰時(sh锟斤拷)锟斤拷锟秸氾拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷(hu锟斤拷)锟絕锟斤拷突锟斤拷锟斤拷

 

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟节诧拷锟矫渦輪锟斤拷锟斤拷锟侥發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟斤拷锟节渦輪锟斤拷锟斤拷锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷一锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷M(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟节非渦輪锟斤拷锟斤拷锟侥發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟絬輪锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絶片锟斤拷锟斤拷锟皆碉拷锟叫革拷諝锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟酵革拷锟劫氾拷锟斤拷锟轿成碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿成的ｏ拷锟斤拷一锟絅锟紹锟絤(x锟斤拷)锟皆的革拷锟絣锟斤拷锟斤拷锟斤拷锟斤拷要锟街诧拷锟斤拷500~10000Hz锟斤拷锟絣锟绞凤拷锟斤拷锟斤拷目前锟揭癸拷司锟襟部分诧拷锟矫渦輪锟斤拷锟斤拷锟侥發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷

 

锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟絚锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟組(j锟斤拷n)锟解方式锟斤拷锟組(j锟斤拷n)锟斤拷锟絋(m锟斤拷n)锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟阶忥拷锟斤拷凸輪锟酵撅拷锟斤拷锟絆(sh锟斤拷)計(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷(du锟斤拷)锟斤拷同一锟絖(t锟斤拷i)锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷(l锟斤拷i)锟絝(shu锟斤拷)锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟劫碉拷影锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟揭伙拷锟斤拷蓪锟�(d锟斤拷o)锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷10~l5dB锟斤拷A锟斤拷锟斤拷

 

锟斤拷锟斤拷2锟斤拷锟脚氾拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷锟脚氾拷锟斤拷锟斤拷锟角發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷聲源锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷要锟饺發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟紺(j锟斤拷)锟斤拷锟斤拷锟竭筹拷10~15dB锟斤拷A锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟脚氾拷俑邷兀锟�800~l000锟芥）锟斤拷锟竭夛拷锟斤拷3~4锟斤拷(g锟斤拷)锟斤拷鈮猴拷锟斤拷锟斤拷w锟斤拷锟脚氾拷锟絕(gu锟斤拷)锟斤拷一锟斤拷譃锟缴傦拷(g锟斤拷)锟紸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚氾拷锟紸锟轿和忥拷(qi锟斤拷ng)锟斤拷锟脚氾拷锟紸锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟経锟斤拷锟斤拷艢锟斤拷T(m锟斤拷n)锟斤拷锟斤拷?z锟斤拷ng)_锟斤拷锟斤拷锟斤拷锟斤拷锟脚氾拷锟斤拷锟斤拷M(j锟斤拷n)锟斤拷锟斤拷聲锟斤拷锟斤拷锟斤拷锟斤拷尾锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紷一锟絕(gu锟斤拷)锟斤拷锟叫產(ch锟斤拷n)锟斤拷锟剿岋拷锟絣锟斤拷锟斤拷锟脚氾拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷锟脚氾拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿忥拷(f锟斤拷)锟絪锟斤拷锟斤拷锟斤拷锟缴分ｏ拷锟皆嗭拷位锟絩(sh锟斤拷)锟絞锟斤拷(n锟斤拷i)锟脚氾拷螖锟�(sh锟斤拷)锟斤拷锟斤拷l锟斤拷锟脚氾拷锟斤拷锟斤拷锟斤拷锟杰碉拷锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚氾拷锟斤拷锟教庯拷臍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷U锟解噴注锟酵沖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶的猴拷姆锟斤拷茲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絋(m锟斤拷n)锟絬锟斤拷锟斤拷锟斤拷锟斤拷锟脚氾拷系锟統(t锟斤拷ng)锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷影響發(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟脚氾拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟阶夛拷锟斤拷锟斤拷锟脚氾拷锟絋(m锟斤拷n)直锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷锟斤拷锟斤拷锟脚氾拷锟絋(m锟斤拷n)锟絖(k锟斤拷i)锟斤拷锟斤拷锟皆碉拷锟斤拷锟斤拷(du锟斤拷)同一锟絖(t锟斤拷i)锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷(l锟斤拷i)锟絝(shu锟斤拷)锟斤拷锟絣(f锟斤拷)锟斤拷(d锟斤拷ng)锟紺(j锟斤拷)锟紻(zhu锟斤拷n)锟劫猴拷負(f锟斤拷)锟斤拷锟斤拷影锟斤拷锟斤拷艢锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷锟�锟斤拷

 

锟斤拷锟斤拷3锟斤拷锟斤拷s锟絃(f锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷

 

锟斤拷锟斤拷锟絃(f锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絃(f锟斤拷ng)锟饺碉拷锟絶片锟斤拷锟斤拷锟皆碉拷锟叫革拷諝锟�锟斤拷锟斤拷锟斤拷諝锟侥夛拷锟斤拷锟絵锟斤拷(d锟斤拷ng)锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟絶片通锟絕(gu锟斤拷)锟絣锟绞烇拷锟斤拷l锟斤拷锟斤拷锟斤拷锟叫高达拷锟紺锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絃(f锟斤拷ng)锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷(d锟斤拷o)锟铰碉拷锟斤拷?ch锟斤拷)锟斤拷諝锟絣(f锟斤拷)锟斤拷锟斤拷锟斤拷脫锟絯锟斤拷使锟秸氾拷l(f锟斤拷)锟斤拷锟絖锟斤拷(d锟斤拷ng)锟斤拷锟轿成氾拷锟絯锟侥夛拷锟絪锟絚稀锟斤拷锟絕(gu锟斤拷)锟教讹拷锟轿成的ｏ拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟絣锟斤拷锟斤拷锟斤拷锟斤拷