TY  - JOUR
T1  - Büyük Sismik Veriler Üzerinde Zaman ve Frekans Tabanlı Özniteliklerin Gerçek Deprem Verilerinin Tespitindeki Etkisi
TT  - The Effect of Time and Frequency Based Features on Large Seismic Data in Detecting Real Earthquake Data
AU  - Narin, Ali
AU  - Erdoğan, Yunus Emre
PY  - 2025
DA  - November
Y2  - 2025
DO  - 10.7212/karaelmasfen.1706849
JF  - Karaelmas Fen ve Mühendislik Dergisi
PB  - Zonguldak Bulent Ecevit University
WT  - DergiPark
SN  - 2146-7277
SP  - 95
EP  - 107
VL  - 15
IS  - 3
LA  - tr
AB  - Depremler, yer kabuğundaki ani hareketler sonucu meydana gelen doğal afetlerdir. Bu olayların hızlı bir şekilde tespit edilmesi can ve mal kaybının en aza indirilmesi açısından hayati öneme sahiptir. Erken ve doğru tespit, acil müdahale ekiplerinin olay yerine zamanında ulaşmasını sağlayarak halkın güvenliğini artıran önlemlerin hızla alınmasına olanak tanır. Bu çalışmada, sismik sinyaller üzerinden elde edilen özniteliklerin kullanımıyla deprem ve çevresel gürültülerin otomatik olarak ayrıştırılması hedeflenmiştir. Böylece gerçek deprem sinyallerinin tespit süreci hızlandırılmakta ve müdahale süresi kısaltılmaktadır. Sinyaller z-skor normalizasyon yöntemiyle ölçeklendirilmiş ve ardından zaman ve frekans alanlarına ait çeşitli öznitelikler çıkarılmıştır. Zaman alanında ortalama, standart sapma, maksimum, minimum, varyans, çarpıklık ve basıklık gibi öznitelikler kullanılmıştır. Frekans alanında ise tepe frekansı ve ortalama frekans öznitelikleri çıkarılmıştır. Bu öznitelikler sinyallerin daha doğru ve güvenilir şekilde sınıflandırılmasını sağlamaktadır. Çalışmada k-en yakın komşu (k-NN), karar ağaçları (DT) ve toplu torbalanmış karar ağaçları (EBT) algoritmaları kullanılarak sınıflandırma işlemleri gerçekleştirilmiştir. Elde edilen sonuçlara göre k-NN algoritması ile %94,2, DT algoritması ile %94,7 ve EBT algoritması ile %95,6 doğruluk değerleri elde edilmiştir. Bu bulgular deprem sinyallerinin yüksek doğrulukla tespit edilebileceğini göstermektedir. Sunulan çalışma hem akademik araştırmalar hem de pratik uygulamalar açısından önemli bir kaynak olma potansiyeline sahiptir ve depremlerin etkilerinin azaltılmasına yönelik gelecekteki çalışmalara katkı sağlamayı amaçlamaktadır.
KW  - Deprem Tespiti
KW  - Öznitelik Çıkarma
KW  - Karar Ağaçları
KW  - Toplu Torbalanmış Karar Ağaçları
KW  - K en yakın Komşu.
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UR  - https://doi.org/10.7212/karaelmasfen.1706849
L1  - https://dergipark.org.tr/en/download/article-file/4904147
ER  -