?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SISTEM+CITRA+FOTOAKUSTIK+UNTUK+DETEKSI+PASIR+BESI+PADA%0D%0APERMUKAAN+TANAH+BERBASIS+LASER+DIODA+DAN+MIKROFON%0D%0A%0D%0AKONDENSER&rft.creator=Tamado+%2C+Hendrian+Simarmata&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Penelitian+ini+bertujuan+untuk+mendesain+perangkat+lunak+dan+GUI+(Graphical+User%0D%0AInterface)+sebagai+kendali+sistem+citra+fotoakustik+untuk+deteksi+pasir+besi+pada%0D%0Apermukaan+tanah+berbasis+laser+diode+dan+mikrofon+kondenser+menggunakan%0D%0Abahasa+pemrograman+python.+Penelitian+dimulai+dengan+perancangan+perangkat%0D%0Alunak+berupa+GUI+modulasi+laser+dan+sistem+fotoakustik+menggunakan+bahasa%0D%0Apemrograman+python%2C+kalibrasi+sistem+gerak+xy+stage+dan+perekaman+mikrofon%2C%0D%0Amodulasi+laser+untuk+mendapatkan+frekuensi+dan+duty+cycle+terbaik+serta+uji%0D%0Akeseluruhan+sistem+dengan+memindai+sampel+yang+memiliki+variasi+luas+pasir+besi%0D%0Asebesar+50%25%2C+40%25%2C+30%25%2C+20%25+dan+10%25+dengan+hasil+output+citra.+Hasil+penelitian%0D%0Amenunjukkan+hasil+kalibrasi+sistem+gerak+xy+stage+memiliki+akurasi+dan+presisi%0D%0Asebesar+100%25%2C+perekaman+mikrofon+memiliki+akurasi+sebesar+99%2C93%25+dan+presisi%0D%0Asebesar+99%2C99%25.+Didapatkan+frekuensi+terbaik+pada+14.955+hz+dan+duty+cycle+terbaik%0D%0Apada+50%25+dengan+intensitas+akustik+sebesar+-60%2C85+dBFS.+Uji+keseluruhan+sistem%0D%0Amenggunakan+sampel+menghasilkan+persentase+persamaan+citra+sebesar+96%25+pada%0D%0Asampel+dengan+luas+pasir+besi+sebanyak+50%25%2C+92%2C5%25+pada+pasir+besi+dengan+luas%0D%0A40%25%2C+86%25+pada+sampel+dengan+variasi+luas+pasir+besi+30%25%2C+80%25+pada+sampel%0D%0Adengan+variasi+luas+pasir+besi+20%25%2C+dan+70%25+pada+sampel+dengan+variasi+luas+pasir%0D%0Abesi+10%25.%0D%0A%0D%0AKata+kunci%3A+Citra%2C+GUI%2C+python%2C+pasir+besi%2C+sistem+fotoakustik.%0D%0A%0D%0AThis+research+aims+to+design+software+and+GUI+(Graphical+User+Interface)+as+a%0D%0Aphotoacoustic+image+control+system+for+detection+of+iron+sand+on+the+ground%0D%0Asurface+based+on+diode+laser+and+condenser+microphone+using+python%0D%0Aprogramming+language.+The+study+began+with+the+design+of+software+in+the+form+of%0D%0AGUI+laser+modulation+and+photoacoustic+system+using+python+programming%0D%0Alanguage%2C+xy+stage+motion+system+calibration+and+microphone+recording%2C+laser%0D%0Amodulation+to+obtain+the+best+frequency+and+duty+cycle+and+test+the+entire+system%0D%0Aby+scanning+samples+that+have+a+wide+variation+of+iron+sand+50%25%2C+40%25%2C+30%25%2C+20%25%0D%0Aand+10%25+of+the+output.+The+results+showed+the+calibration+results+of+the+xy+stage%0D%0Amotion+system+has+an+accuracy+and+precition+of+100%25%2C+microphone+recording+has%0D%0Aan+accuracy+of+99.93%25+and+precition+of+99.99%25.+Obtained+the+best+frequency+at%0D%0A14.955+hz+and+the+best+duty+cycle+at+50%25+with+acoustic+intensity+of+-60.85+dBFS.%0D%0AThe+overall+system+test+using+samples+resulted+in+a+percentage+of+image+similarity%0D%0Aof+96%25+in+samples+with+an+area+of+iron+sand+as+much+as+50%25%2C+92.5%25+in+iron+sand%0D%0Awith+an+area+of+40%25%2C+86%25+in+samples+with+an+area+of+iron+sand+variation+of+30%25%2C%0D%0A80%25+in+samples+with+an+area+of+iron+sand+variation+of+20%25%2C+and+70%25+in+samples%0D%0Awith+an+area+of+iron+sand+variation+of+10%25.%0D%0AKeywords%3A+GUI%2C+imaging%2C+iron+sand%2C+python%2C+photoacoustic+system.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-07-17&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82293%2F1%2FABSTRAK%2520-%2520tamado%2520simarmata.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82293%2F2%2FSKRIPSI%2520FULL%2520-%2520tamado%2520simarmata.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82293%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520tamado%2520simarmata.pdf&rft.identifier=++Tamado+%2C+Hendrian+Simarmata++(2024)+SISTEM+CITRA+FOTOAKUSTIK+UNTUK+DETEKSI+PASIR+BESI+PADA+PERMUKAAN+TANAH+BERBASIS+LASER+DIODA+DAN+MIKROFON+KONDENSER.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82293%2F