Kinerja Butterworth Low-Pass Filter pada Teknik Modulasi Digital ASK Terhadap Paket Data yang dipengaruhi oleh Derau
DOI:
https://doi.org/10.22441/incomtech.v3i2.1118Kata Kunci:
Butterworth low-pass filter, ASK, AWGN, Bit Error RateAbstrak
Proses pengiriman data informasi dalam bentuk sinyal digital kedalam
saluran transmisi, dipengaruhi oleh adanya penambahan derau pada
kanal yang dilaluinya untuk disampaikan ke penerima. Parameter yang
dapat digunakan untuk memperbaiki sinyal bandpass yang rusak akibat
adanya penambahan derau pada saluran transmisi diantaranya dengan
filter sinyal yang berfungsi untuk manapis sinyal yang tidak
dikehendaki.
Filter sinyal yang akan digunakan dalam penelitian adalah Butterworth
low-pass filter, dimana sinyal bandpass yang telah ditambahkan derau
akan ditapis dengan cara meneruskan sinyal berfrekuensi rendah dan
meredam sinyal berfrekuensi tinggi.
Pengujian simulasi perangkat lunak modulasi digital ASK ini bertujuan
untuk mengumpulkan data hasil ujicoba dan menganalisa kinerja
Butterworth Low-Pass Filter dalam filtrasi sinyal bandpass yang telah
dipengaruhi oleh derau dalam saluran transmisi AWGN, serta
menghitung jumlah Bit Error Rate (BER) dari data yang diterima.
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