1753-HHT锛氭柊涓€浠d俊铏熷垎鏋愮殑寮�(qi谩ng)澶у伐鍏蜂俊铏熻檿鐞嗘妧琛�(sh霉)鍦ㄧ従(xi脿n)浠e伐绋嬭垏绉戝(xu茅)鐮旂┒涓壆婕旇憲鑷抽棞(gu膩n)閲嶈鐨勮鑹层€傞毃钁楁妧琛�(sh霉)鐨勪笉鏂烽€�(j矛n)姝�锛屽偝绲�(t菕ng)鐨勪俊铏熻檿鐞嗘柟娉曞鍌呯珛钁夎畩鎻涘拰灏忔尝璁婃彌鍦ㄦ煇浜涙噳(y墨ng)鐢ㄥ牬鏅腑宸查’寰楀姏涓嶅緸蹇�銆傜偤姝わ紝甯岀埦浼壒-榛冭畩鎻涳紙Hilbert-Huang Transb, HHT锛変綔鐐轰竴绋柊鑸堢殑淇¤櫉鍒嗘瀽鎶€琛�(sh霉)锛屾鏃ョ泭鍙楀埌寤f硾闂�(gu膩n)娉�銆傛湰鏂囧皣娣卞叆鎺㈣◣1753-HHT鎶€琛�(sh霉)锛屽垎鏋愬叾宸ヤ綔鍘熺悊銆佸劒(y艒u)瓒婃€у強瀵﹂殯鎳�(y墨ng)鐢ㄣ€侶HT鎶€琛�(sh霉)涓昏鍖呮嫭鍏╁€嬫牳蹇冩椹燂細缍�(j墨ng)椹�?z膩i)顥朆(t脿i)鍒嗚В锛圗mpirical Mode Decomb, EMD锛夊拰甯岀埦浼壒璀滃垎鏋愶紙Hilbert Spectral Analysis, HSA锛�銆侲MD鏂规硶灏囧京(f霉)闆滅殑淇¤櫉鍒嗚В鐐鸿嫢骞插€嬪浐鏈夋ā鎱�(t脿i)鍑芥暩(sh霉)锛圛ntrinsic Mode Function, IMF锛�锛岄€欎簺IMF鍒嗛噺绐佸嚭浜嗘暩(sh霉)鎿�(j霉)鐨勫眬閮ㄧ壒寰佸昂搴︼紝寰炶€屼娇寰椾俊铏熺殑鍏�(n猫i)鍦ㄦā鎱�(t脿i)鐗规€у緱浠ラ’鐝�(xi脿n)銆傞毃鍚�锛岄€氶亷甯岀埦浼壒璁婃彌锛屽皣閫欎簺IMF鍒嗛噺杞�(zhu菐n)鎻涚偤甯岀埦浼壒璀�锛岄€�(j矛n)鑰屽緱鍒颁俊铏熺殑鏅傞牷璀�銆侀倞闅涜瓬鍜岃兘閲忚瓬绛夐噸瑕佷俊鎭�銆侶HT鐩歌純浜庡偝绲�(t菕ng)淇¤櫉铏曠悊鏂规硶鍏锋湁椤憲鐨勫劒(y艒u)瓒婃€с€傞鍏�锛孒HT鏄竴绋嚜閬╂噳(y墨ng)鐨勪俊铏熻檿鐞嗘柟娉曪紝涓嶉渶瑕侀爯(y霉)鍏堣ō(sh猫)瀹氬熀鍑芥暩(sh霉)锛屽畬鍏ㄤ緷鎿�(j霉)鏁�(sh霉)鎿�(j霉)鏈韩鐨勭壒寰侀€�(j矛n)琛屽垎瑙�銆傞€欑ó鑷仼鎳�(y墨ng)鎬т娇鍏跺湪铏曠悊闈炵窔鎬�銆侀潪骞崇┅(w臎n)淇¤櫉鏅傚挨鐐烘湁鏁�銆傜浉姣斾箣涓嬶紝鍌呯珛钁夎畩鎻涘儏閬╃敤浜庡钩绌�(w臎n)淇¤櫉锛屽畠灏囦俊铏熷垎瑙g偤涓€绯诲垪姝e鸡鍜屼綑寮﹀嚱鏁�(sh霉)鐨勭枈鍔狅紝闆d互鎹曟崏淇¤櫉鐨勫眬閮ㄦ檪璁婄壒寰�銆傚皬娉㈣畩鎻涢洊鐒跺湪涓€瀹氱▼搴︿笂鏀瑰杽浜嗘檪闋诲眬鍩熷寲鎬ц兘锛屼絾鍏跺熀鍑芥暩(sh霉)鐨勯伕鎿囪純鐐哄浐瀹�锛岀己涔忛潏娲绘€с€傚叾娆�锛孒HT鐨勫眬閮ㄦ€ц兘鍎�(y艒u)鐣�锛岃兘澶犵簿纰哄湴鎻忕躬淇¤櫉鐨勬檪闋昏瓬鍦�銆傞€氶亷EMD鍒嗚В寰楀埌鐨処MF鍒嗛噺鍏锋湁娓呮櫚鐨勭墿鐞嗘剰缇�锛屾瘡鍊婭MF鍒嗛噺鍙互瑕栫偤淇¤櫉涓殑涓€鍊嬬崹绔嬫ā鎱�(t脿i)銆傚笇鐖句集鐗硅畩鎻涘墖閫�(j矛n)涓€姝ュ皣閫欎簺妯℃厠(t脿i)杞�(zhu菐n)鎻涚偤鐬檪闋荤巼鍜屽箙鍊硷紝浣垮緱淇¤櫉鐨勬檪闋荤壒鎬т竴鐩簡鐒�銆傞€欑ó灞€鍩熷寲鐨勫垎鏋愯兘鍔�锛屼娇寰桯HT鍦ㄨ濡傛(j墨)姊版晠闅滆ê鏂枫€佺敓鐗╅啱(y墨)瀛�(xu茅)淇¤櫉铏曠悊鍜屽湴闇囦俊铏熷垎鏋愮瓑闋�(l菒ng)鍩熷睍鐝�(xi脿n)鍑哄法澶х殑鎳�(y墨ng)鐢ㄦ經鍔�銆傚湪瀵﹂殯鎳�(y墨ng)鐢ㄤ腑锛�1753-HHT鎶€琛�(sh霉)宸茶寤f硾椹楄瓑銆備緥濡傦紝鍦ㄦ(j墨)姊版晠闅滆ê鏂蜂腑锛孒HT鑳藉婧�(zh菙n)纰哄湴璀樺垾鍑烘棆杞�(zhu菐n)姗�(j墨)姊板湪涓嶅悓閬嬭鐙€鎱�(t脿i)涓嬬殑鐗瑰緛闋荤巼锛屽緸鑰屽鐝�(xi脿n)鏃╂湡鏁呴殰闋�(y霉)璀︺€傚湪鐢熺墿閱�(y墨)瀛�(xu茅)闋�(l菒ng)鍩�锛孒HT琚敤浜庡垎鏋愯叇闆绘尝鍜屽績闆绘尝淇¤櫉锛屽公鍔╅啱(y墨)鐢熸洿绮剧⒑鍦拌ê鏂风柧鐥呫€傛澶�锛屽湪鍦伴渿淇¤櫉铏曠悊涓�锛孒HT鍙互娓呮櫚鍦版彮绀哄湴闇囨尝鍦ㄤ笉鍚屾檪闁撴鐨勯牷鐜囨垚鍒嗭紝鐐哄湴闇囧(xu茅)鐮旂┒鎻愪緵閲嶈鏁�(sh霉)鎿�(j霉)鏀寔銆傚€煎緱涓€鎻愮殑鏄�锛孒HT鐨勮粺浠跺鐝�(xi脿n)鐩稿皪绨′究銆傞€氶亷Matlab绛夌法绋嬪伐鍏�锛屽彲浠ユ柟渚垮湴绶ㄥ绋嬪簭?q奴)宕縁(xi脿n)EMD鍜屽笇鐖句集鐗硅畩鎻涳紝浣垮緱瑭叉妧琛�(sh霉)鍦ㄥ闅涘伐绋嬩腑鏄撲簬鎺ㄥ唬鍜屾噳(y墨ng)鐢�銆傜▼搴忔祦绋嬪湒娓呮櫚鍦板睍绀轰簡HHT璁婃彌鐨勫悇鍊嬫椹�锛屽緸鏁�(sh霉)鎿�(j霉)杓稿叆鍒版渶绲傛檪闋昏瓬鍦栫殑杓稿嚭锛屾暣鍊嬮亷绋嬬洿瑙€涓旈珮鏁�銆�
1753-HHT