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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

dsp
闁辫畝锛�23864鏅�(sh铆)闁擄細2010-10-21 11:03:26

銆�銆�dsp鏄痙igital signal processor鐨勭啊(ji菐n)绋�锛屽嵆鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鍣ㄣ�傚畠鏄敤渚�(l谩i)瀹屾垚瀵�(sh铆)鏅�(sh铆)淇¤櫉(h脿o)铏曠悊鐨勭‖浠跺钩鑷�(t谩i)锛岃兘澶犳帴鍙楁ā鎿俊铏�(h脿o)灏囧叾杞�(zhu菐n)鎻涙垚浜岄��(j矛n)鍒剁殑鏁�(sh霉)瀛椾俊铏�(h脿o)锛屽苟鑳介��(j矛n)琛屼竴瀹氬舰寮忕殑绶ㄨ集锛岄倓鍏锋湁鍙法绋嬫�с�傜敱浜庡挤(qi谩ng)澶х殑鏁�(sh霉)鎿�(j霉)铏曠悊鑳藉姏鍜屽揩鎹风殑閬�(y霉n)琛岄�熷害锛宒sp鍦ㄤ俊鎭瀛�(xu茅)闋�(l菒ng)鍩熺櫦(f膩)鎻憲瓒婁締(l谩i)瓒婂ぇ鐨勪綔鐢�銆�

鐗归粸(di菐n)

銆�?銆�?锛夊揩閫熺殑涓柗铏曠悊鍜岀‖浠禝/O鏀寔锛�

銆�?銆�?锛夊彲浠ュ苟琛屽煼(zh铆)琛屽鍊�(g猫)鎿嶄綔锛�

銆�銆�锛�3锛夌墖鍏�(n猫i)鍏锋湁蹇�烺AM锛岄��?锛熻祻銊焇鐛�(d煤)绔嬬殑鏁�(sh霉)鎿�(j霉)绺界窔鍦ㄥ叐濉婁腑鍚屾檪(sh铆)瑷晱锛�

銆�?銆�?锛夊叿鏈変綆闁嬮姺鎴栫劇(w煤)闁嬮姺寰挵(hu谩n)鍙婅烦杞�(zhu菐n)鐨勭‖浠舵敮鎸侊紱

銆�?銆�?锛夊湪涓�鍊�(g猫)鎸囦护鍛ㄦ湡鍏�(n猫i)鍙畬鎴愪竴娆′箻娉曞拰涓�娆″姞娉�锛�

銆�?銆�?锛夊叿鏈夊湪鍠懆鏈熷収(n猫i)鎿嶄綔鐨勫鍊�(g猫)纭欢鍦板潃鐢�(ch菐n)鐢熷櫒锛�

銆�?銆�?锛夌▼搴忓拰鏁�(sh霉)鎿�(j霉)绌洪枔鍒嗛枊锛屽彲浠ュ悓鏅�(sh铆)瑷晱鎸囦护鍜屾暩(sh霉)鎿�(j霉)锛�

銆�銆�锛�8锛夋敮鎸佹祦姘寸窔鎿嶄綔锛屼娇鍙栨寚銆佽纰煎拰鍩�(zh铆)琛岀瓑鎿嶄綔鍙互閲嶇枈鍩�(zh铆)琛�銆�

甯哥敤鎸囦护

dsp鐨勫父鐢ㄦ寚浠�dsp鐨勫父鐢ㄦ寚浠�3dsp鐨勫父鐢ㄦ寚浠�

pcb鐨勬噳(y墨ng)鐢�

銆�銆�1銆侀�氱敤鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊锛氭暩(sh霉)瀛楁烤娉㈢浉闂�(gu膩n)銆佸笇鐖句集鐗硅畩鎻�銆佽嚜閬╂噳(y墨ng)婵炬尝銆佹尝褰㈢櫦(f膩)鐢熺瓑銆�

銆�銆�2銆侀�氫俊锛氳(w猫i)鏄熼�氫俊锛屼繚瀵嗛�氫俊銆乀DMA/FDMA/CDMA绛夈�佸洖闊虫秷闄�銆佹暩(sh霉)瀛楀熀绔欑瓑銆�

銆�銆�3銆佽獮(y菙)闊宠檿鐞嗭細瑾�(y菙)闊崇法纰�銆佽獮(y菙)闊冲悎鎴�銆佽獮(y菙)闊宠瓨(sh铆)鍒ャ�佽獮(y菙)闊冲寮�(qi谩ng)銆佽獮(y菙)闊抽兊浠�銆佽獮(y菙)闊冲劜(ch菙)瀛樼瓑銆�

銆�銆�4銆侀啱(y墨)鐧傞浕瀛愶細鍔╄伣銆佽秴鑱茶ō(sh猫)鍌�銆佽ê鏂峰伐鍏枫�佺梾浜虹洠(ji膩n)璀�(h霉)銆佸績闆诲湒绛�銆�

銆�銆�5銆佸剙鍣ㄥ剙琛細闋昏瓬鍒嗘瀽銆佸嚱鏁�(sh霉)鐧�(f膩)鐢�銆佹暩(sh霉)鎿�(j霉)閲囬泦銆佸湴闇囪檿鐞嗙瓑銆�

銆�銆�6銆佽▓(j矛)绠楁(j墨)鑸囧伐浣滅珯:闄ｅ垪瑷�(j矛)绠楁(j墨)銆佽▓(j矛)绠楀姞閫熷崱銆佸湒褰㈠姞閫熷崱銆佸濯掗珨瑷�(j矛)绠楁(j墨)

銆�銆�7銆佽粛浜嬭垏绉戞妧锛氬皫(d菐o)鑸�锛岀洰妯�(bi膩o)鎼滅储杩借工銆佸伒鏌ヨ(w猫i)鏄�銆侀浄閬�(d谩)鎴愬儚绛�

銆�銆�8銆佹秷璨�(f猫i)闆诲瓙锛氭暩(sh霉)瀛楅浕瑕�銆侀煶闊垮悎鎴愩�佸湒鍍忋�佽伈闊冲绺В澹撳櫒绛�

鍒嗛

銆�銆�DSP鑺墖鍙互鎸夌収浠ヤ笅2绋柟寮忛��(j矛n)琛屽垎椤�銆�

銆�銆�1锛庢寜鐢ㄩ�斿垎锛氶�氱敤鍜屽皥鐢�

銆�銆�鎸夌収DSP鑺墖鐨勭敤閫斾締(l谩i)鍒�锛屽彲鍒嗙偤閫氱敤鍨婦SP鑺墖鍜屽皥鐢ㄥ瀷DSP鑺墖銆傞�氱敤鍨婦SP鑺墖閬╁悎鏅�氱殑DSP鎳�(y墨ng)鐢�锛屽TI鍏徃鐨勪竴绯诲垪DSP鑺墖銆傚皥鐢ㄥ瀷DSP鑺墖鏄偤鐗瑰畾鐨凞SP閬�(y霉n)绠楄�岃ō(sh猫)瑷�(j矛)鐨�锛屾洿閬╁悎鐗规畩鐨勯亱(y霉n)绠楋紝濡傛暩(sh霉)瀛楁烤娉�锛屽嵎绌嶅拰FFT绛�銆�

銆�銆�2锛庢寜鏁�(sh霉)鎿�(j霉)鏍煎紡鍒�: 瀹氶粸(di菐n)鍜屾诞榛�(di菐n)

銆�銆�鏍规摎(j霉)DSP鑺墖宸ヤ綔鐨勬暩(sh霉)鎿�(j霉)鏍煎紡鍙垎鐐哄畾榛�(di菐n)DSP鑺墖鑸囨诞榛�(di菐n)DSP鑺墖銆傚嵆鏁�(sh霉)鎿�(j霉)浠ュ畾榛�(di菐n)鏍煎紡宸ヤ綔鐨凞SP鑺墖绋变箣鐐哄畾榛�(di菐n)DSP鑺墖;浠ユ诞榛�(di菐n)鏍煎紡宸ヤ綔鐨勭ū鐐烘诞榛�(di菐n)DSP鑺墖銆�

銆�銆�娉ㄦ剰锛氬畾榛�(di菐n)DSP涔熷彲浠ラ�氶亷杌熶欢褰㈠紡瀵�(sh铆)鐝�(xi脿n)娴粸(di菐n)閬�(y霉n)绠椼��

涓昏鎶�琛�(sh霉)鎸囨(bi膩o)

銆�銆�ICY锛圛nstruction Cycle锛夋寚浠ゅ懆鏈燂細鍩�(zh铆)琛屼竴姊濇寚浠ゆ墍闇�鏅�(sh铆)闁�锛岄�氬父浠s鐐哄柈 浣�銆�

銆�銆�MAC鏅�(sh铆)闁擄紙Multiplier Accumulator锛屼箻娉曠疮鍔犳檪(sh铆)闁擄級锛氬煼(zh铆)琛屼竴娆′箻娉曞姞涓婁竴 娆″姞娉曠殑鏅�(sh铆)闁�銆傚ぇ閮ㄥ垎DSP鑺墖鍙湪涓�鍊�(g猫)鎸囦护鍛ㄦ湡瀹屾垚涓�娆′箻娉曞拰鍔犳硶鎿� 浣溿��

銆�銆�FFT铏曠悊鏅�(sh铆)闁擄紙Fast Fourier Transform锛屽揩閫熷倕閲岃憠璁婃彌铏曠悊鏅�(sh铆)闁擄級 锛氬嵆閬�(y霉n) 绠椾竴鍊�(g猫)N榛�(di菐n)FFT绋嬪簭鎵�闇�鐨勬檪(sh铆)闁�銆�

銆�銆�MIPS锛圡illion Instructions Per Second锛夛細鐧捐惉(w脿n)姊濇寚浠�/绉�銆�

銆�銆�MOPS锛圡illion Operations Per Second锛夛細鐧捐惉(w脿n)娆℃搷浣�/绉�銆傛搷浣滃寘鎷珻PU鎿� 浣�銆佸湴鍧�瑷�(j矛)绠椼�佹暩(sh霉)鎿�(j霉)瑷晱鍜屽偝杓�銆両/O鎿嶄綔绛夈��

銆�銆�MFLOPS 锛圡illion Floating point Operations Per Second锛夛細鐧捐惉(w脿n)娆℃诞榛�(di菐n)鎿嶄綔/

銆�銆�绉�銆傝〃寰佹诞榛�(di菐n)DSP閬�(y霉n)绠楁�ц兘鐨勯噸瑕佹寚妯�(bi膩o)銆�

銆�銆�MBPS 锛圡illion-bits Per Second锛� 锛氱櫨钀�(w脿n)浣�/绉�銆傜敤浜庤　閲廌SP鐨勬暩(sh霉)鎿�(j霉)鍌宠几鑳� 鍔�锛岄�氬父鎸囩附绶氭垨I/O鐨勫付瀵�锛屽畠鏄皪(du矛)绺界窔鎴朓/O鏁�(sh霉)鎿�(j霉)鍚炲悙鐜囩殑閲忓害銆�

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�168763鍊�(g猫)