Judul: Identifikasi Hama Ulat Kubis Menggunakan Transformasi Wavelet dengan Klasifikasi Probabilistic Neural Network
Abstrak: Identifikasi penyakit hama ulat kubis menggunakan transformasi Wavelet merupakan penelitian yang bertujuan untuk mengidentifikasi hama ulat kubis berdasarkan ciri teksturnya. Metode transformasi Wavelet digunakan sebagai teknik ekstraksi ciri citra. Penelitian ini fokus kepada 3 jenis hama ulat kubis yaitu Crocidolumia binotalis zeller, Spodoptera exigua (Hubner), dan Spodoptera litura F. Teknik klasifikasi yang digunakan adalah klasifikasi Probabilistic Neural Network (PNN). Untuk mendapatkan akurasi terbaik digunakan analisis confusion matrix@dan k-fold cross validation dengan nilai k = 5. Hasil identifikasi hama ulat kubis pada penelitian ini menunjukkan akurasi rata-rata sebesar 80.74%. Hal ini menunjukkan bahwa metode transformasi Wavelet dan classifier Probabilistic Neural Network dapat diterapkan untuk identifikasi hama ulat kubis.
Keyword: Cabbage Caterpillar Pest, PNN, Wavelet Transformation

Judul: Identifikasi Hama Ulat Kubis Menggunakan Transformasi Wavelet dengan Klasifikasi Probabilistic Neural Network
Abstrak: This research proposes a method for moth pests identification using wavelet transformation and Probabilistic Neural Netwok (PNN). Wavelet transformation method is used to get image features. This study focused on 3 types of moth pests that Crocidolumia binotalis zeller, Spodoptera exigua (Hubner), and Spodoptera litura F. To get the best performance of classifier was analyzed by confussion matrix and k-fold cross validation with k = 5. Result for identification of moth pests diamondback in this study showed an average accurancy of 80.74%. This result shows that the wavelet transformation and classifier Probabilistic Neural Network can be applied for the identification of cabbage caterpillar pests
Keyword: Wavelet Transformation., PNN, Cabbage Caterpillar Pest

Judul: Pembuatan Sel Surya Berbasis Film Ferroelektrik Barium Strontium Titanate (Ba0,5Sr0,5TiO3)
Abstrak: Growth of films Ba0,5Sr0,5TiO3 (BST) 1 M has been done with variation of annealing in hold time 8 hours, 15 hours, 22 hours, and 29 hours at constant temperature 8500C, above Si (100) substrate p-type, by using the sol-gel process method which followed with spin coating process at 3000 rpm for 30 seconds. Optics spectroscopy shows that BST film solar cells with annealing hold time 8 hours, 15 hours, and 22 hours, works effectively in wavelength ≥ 700 nm absorption range. Yet for sample with annealing hold time about 29 hours effectively absorb in ≤ 700 nm wavelength range. It obtained BST film refractive index at range 2.0 to 7.0 to wavelength range ±370-870 nm. Band gap BST film value based on annealing hold time 8 hours, 15 hours, 22 hours, and 29 hours respectively 2.60 eV; 3.12 eV: 3.24 eV, and 2.66 eV. Electrical conductivity value which obtained, indicate that the BST film is classified as semiconductor material with conductivity order 10-5-10-4 S / cm. The result of I-V photovoltaic characterization shows the BST film potentially to be a solar cells device with efficiency according to the annealing hold time 8 hours, 15 hours, 22 hours, and 29 hours in a row are 2.68x10-5%, 3.51x10-5%, 4.53x10-5% and 3.22x10-5%
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