DSPUT5000超(chao)聲波檢測板(ban)是在(zai)單個 PCI 板(ban)上組(zu)合脈(mo)(mo)沖(chong)(chong)(chong)(chong)發生(sheng)器(qi)(qi)(qi)(qi)/接收(shou)器(qi)(qi)(qi)(qi)和(he)(he)高速模數(shu)轉(zhuan)換器(qi)(qi)(qi)(qi)。該板(ban)產生(sheng)一個電(dian)脈(mo)(mo)沖(chong)(chong)(chong)(chong),該電(dian)脈(mo)(mo)沖(chong)(chong)(chong)(chong)被(bei)傳(chuan)輸到超(chao)聲波換能(neng)器(qi)(qi)(qi)(qi)。換能(neng)器(qi)(qi)(qi)(qi)將電(dian)激(ji)發脈(mo)(mo)沖(chong)(chong)(chong)(chong)轉(zhuan)換為(wei)超(chao)聲波脈(mo)(mo)沖(chong)(chong)(chong)(chong),然(ran)后(hou)傳(chuan)播到測試(shi)材料或(huo)(huo)耦(ou)合劑中。換能(neng)器(qi)(qi)(qi)(qi)還接收(shou)從(cong)接口(kou)反射回(hui)來的回(hui)波,并將超(chao)聲波脈(mo)(mo)沖(chong)(chong)(chong)(chong)轉(zhuan)換回(hui)電(dian)信號,然(ran)后(hou)由(you)板(ban)載接收(shou)器(qi)(qi)(qi)(qi)和(he)(he)模數(shu)轉(zhuan)換器(qi)(qi)(qi)(qi)處理。這個過(guo)程完全可以(yi)由(you)終端用戶調整——可配置的屬性包括:脈(mo)(mo)沖(chong)(chong)(chong)(chong)電(dian)壓、脈(mo)(mo)沖(chong)(chong)(chong)(chong)寬度(du)、阻尼(ni)、脈(mo)(mo)沖(chong)(chong)(chong)(chong)/回(hui)波或(huo)(huo)通過(guo)傳(chuan)輸模式、接收(shou)器(qi)(qi)(qi)(qi)增益、直流(liu)偏移、低通濾波器(qi)(qi)(qi)(qi)、高通濾波器(qi)(qi)(qi)(qi)、整流(liu)、采(cai)樣率、觸發源——內部或(huo)(huo)外部,以(yi)及(ji)觸發延遲。
DSPUT5000 的(de)獨(du)特(te)功能之一是德州儀器的(de)板(ban)載(zai) DSP 芯(xin)片。它以(yi) 600 MHz 運行(xing),每秒執行(xing)高達 4.8 條(tiao)千兆指(zhi)令,并(bing)(bing)且能夠(gou)高速處(chu)理數(shu)據,以(yi)進行(xing)實時峰(feng)值(zhi)檢測(ce)、數(shu)據壓縮(suo)、噴涂標記控制(zhi)、工(gong)廠過程控制(zhi)和(he)反(fan)饋。板(ban)載(zai) DSP 芯(xin)片使(shi) DSPUT5000 能夠(gou)作為(wei)遠程脈沖發生器/接(jie)收器和(he)數(shu)據處(chu)理系統(tong)獨(du)立運行(xing),并(bing)(bing)通過 RS232 串行(xing)端(duan)口進行(xing)主機(ji)控制(zhi)。DSP 軟件(jian)開發套件(jian)可用于(yu)定制(zhi)數(shu)據處(chu)理應(ying)用。