Akbar H. 2013. Hubungan Tipe Dasar Perairan Terhadap Distribusi Ikan Demersal di Perairan Pangkajene Sulawesi Selatan 2011 [Skripsi]. Bogor (ID): Institut Pertanian Bogor.
Allo OAT, Pujiyati S, dan Jaya I. 2009. Klasifikasi Habitat Dasar Perairan dengan Menggunakan Instrumen Hidroakustik SIMRAD EY60 di Perairan Sumur, Pandeglang-Banten. Jurnal Kelautan Nasional 1 (Edisi Khusus) : 129-130
Allo OAT. 2011. Kuantifikasi dan Karakterisasi Acoustic Backscattering Dasar Perairan Di Kepulauan Seribu-Jakarta [Thesis]. Bogor (ID): Institut Pertanian Bogor.
Andi. 2002. 10 Model Penelitian dan Pengolahannya dengan SPSS 14. Edisi IV. Yogyakarta (ID) : Wahana Komputer.
Astuti IR, Mardiana L dan Prihadi V. 2008. Studi Kandungan Fosfor Pada Limbah Organik Di Dasar Perairan Yang Dipengaruhi Aktivitas Karamba Jaring Apung Di Waduk Cirata Jawa Barat. Prosiding Teknologi Perikanan Budidaya. Pusat Riset Perikanan Budidaya : 363-370.
Bakhtiar. 2008. Analisis Manfaat Pengembangan Situ (Studi Kasus : Situ Cangkuang, Kabupaten Garut, Jawa Barat) [Komuniksi Singkat]. Media Komunikasi Teknik Sipil. 16(3) : 291-302
Boulton B & R Wyness. 2001. Annual Report : Sangachal Seabed Mapping Survey. London : BP
Caruthers JW dan Fisher CA. 2002. Remote Sediment Classification Using Acoustical Techniques. Final Report for Task 5, FY 01. Department of Marine Science, America : The University of Southern Mississippi
CruzPro. 2005. CruzPro PC fishfinder for Win98, Win Xp, Win2000 & Vista. PcFF80 user’s manual. Auckland (NZ) : Cruzpro Ltd.
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Irfania R. 2009. Pengukuran Nilai Acoustic Backscattering Strength Berbagai Tipe Substrat Dasar Perairan Arafura dengan Instrumen SIMRAD EK60 [Skripsi]. Bogor (ID) : Institut Pertanian Bogor.
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Ma’mun A, Manik HM dan Hestirianoto T. 2013. Rancang Bangun Algoritma dan Aplikasinya pada Akustik Single Beam untuk Pendeteksian Bawah Air. Jurnal Teknologi Perikanan dan Kelautan. 4 (2) : 173-183
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Lampiran 1. Sintaks pengolahan data penelitian
clc;
disp('============================================')
disp('Program Matlab CRUZPRO')
disp('MARINE SCIENCE AND TECHNOLOGY - IPB')
ORIGINAL BY Dr. Henry M Manik, S.Pi, M.T UPDATE BY Asep Ma’mun M.Si
disp('============================================') %% Rumusan Dasar %% % EL=SL-2TL+TS+2DI % EL= SL-2*(20LOG10(RR)-2(alp)(RR))+TS+2DI % SL=10*log10(p) % p=((rho*C*Pa*Sig*DI)/4*phi)) % Pe=v^2/R % k = 2*phi*F/C % V = phi*(r^2)*t %% Memasukan variabel %% % a= 0.045; % Pa = 53.9; %v = 12; %R = v/15; % hambatan %r = 0.5; %t = 1; %phi=3.14; %T=27; %alp = 0.006940; disp('---') disp('Parameter Alat')
disp('---') disp('Masukan Nilai :')
F=input('Frekuensi(Hz) = ');
a=input('Diameter Transduser(m)= '); t=input('Durasi Pulsa(s)=');
disp('PRESS ENTER !!!')
pause% Press any key to continue. clc;
disp('---') disp('Kalibrasi-Parameter Lingkungan') disp('---')
disp('# KECEPATAN SUARA #')
disp('Masukan Nilai :') %Sound Speed formula% s=input('Salinitas(permil)= '); T=input('Temperatur(C)= ');
D=input('Kedalaman Pengukuran(m)='); [C1,C2,C3,C4]=soundspeed(s,T,D); disp(['1.C_Leroy (1969)=',num2str(C1)]); disp(['2.C_Medwin (1975)=',num2str(C2)]); disp(['3.C_Mackenzie (1981)=',num2str(C3)]);
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disp(['4.C_Del Grosso=',num2str(C4)]); pilih=input('pilihan anda(1-4)->');
switch pilih
case 1
C=C1;disp(['Leroy (1969)=',num2str(C1)]);
case 2
C=C2;disp(['Medwin (1975)=',num2str(C2)]);
case 3
C=C3;disp(['Mackenzie (1981)=',num2str(C3)]);
case 4
C=C4;disp(['Del Grosso=',num2str(C4)]);
end
disp('PRESS ENTER !!!')
pause% Press any key to continue. clc;
disp('# ABSORPSI KOEFISIEN(Francois-Garrison)#') disp('Masukan Nilai :')
ph=input('Ph = '); clc; FF=F/1000000; DD=D; [alpha]=koefabsorbsi(C,DD,s,T,ph,FF); disp('============================================')
disp(['Koef.Absorpsi=',num2str(alpha)]); ld= C/F;
% rho=1000;
%Vreff=6.5043e-004; % beamwidth
[beamwidth]=beamwidth(ld,a);
disp(['Lebar Beam =',num2str(beamwidth)]);
disp('============================================')
disp('PRESS ENTER !!!')
pause% Press any key to continue. %% Perhitungan Variabel %% %k =2*phi*F/C ; %DI=(k*a)^2; %Pe=v^2/R; %Sig=(Pa/Pe)*0.01; %p=(((rho*C*Pa*Sig*DI)/4*phi)^0.5); %% instrument parameter %%
r=1.2; % Jarak target dari permukaan transducer (m) %---% AG0=-53.78; %amplifier gain
RS=-185;% Receiving sensitivity 200 kHz RS2=-173;% Receiving sensitivity 50 kHz AGTR=10^(AG0/10);
RSTR=10^(RS/10); KTRlin=AGTR*RSTR;
KTR=20*log10(KTRlin);
SL=163; % Source Level 200 kHz
alpha=0.07898; % koef absorpsi untuk 200 kHz, Fisheries Acoustic Book TL=20*log10(r)+2*alpha*r;
%count=12; % contoh count makscount=255; % 8 bit
%VR=20*(log10((count*10)/makscount)); jumrec=1; % jumlah receiver
AVG=20*log10(jumrec);% array voltage gain %% load data melalui workspace %% clc
file=input('Masukan Nama File='); %% inisialisasi data ke 'variabel data=file; aa=data(101:size(data,1),18:size(data,2)); aaa=rot90(aa); aaaa=aaa.*0.218577; VR=20*log10((aaaa)/makscount); SS=-RS-SL+2*TL+VR-AVG+AG0; %% Revebrasi Level %% RL=SL-2*TL+SS+10*log10(beamwidth)+10*log10(C*t/2)+10*log10(r); %% Scattering Volume %% % SV=10*log10(dens)+TS SV=RL-SL+2*TL-10*log10(beamwidth)-10*log10(C*t/2)-10*log10(r^2); %% SV,Furusawa %% %SV=VR+20*log10(r)+2*r*(alpha/1000)-10*log10(C*t/2)+19.1; %%rata-rata target strength%%
NN=size(aa,2); NNN=NN-11; ff=aa(:,1:NNN); hh=mean(ff); hhh=hh.*0.218577; VR1=20*log10((hh)/makscount); SS1=-RS-SL+2*TL+VR1-AVG+AG0; %% rata-rata RL %% RLr=SL-2*TL+SS1+10*log10(beamwidth)+10*log10(C*t/2)+10*log10(r); %% rata-rata SV %% % SV=10*log10(dens)+TS SVv=RLr-SL+2*TL-10*log10(beamwidth)-10*log10(C*t/2)-10*log10(r^2); %% Echo Level %% EL=SL-2*TL+SS; EL1=SL-2*TL+SS1;
%% Fast Fourier Transform %% m = length(hh); % Window length n = pow2(nextpow2(m)); % Transform length y = fft(hh,n); % DFT
xfft = abs(fft(y));
f = (0:n-1)*(F/n); % Frequency range FF= ceil(f);
19 PWR= ceil(power); PWR1=rot90(PWR); [lamda,range,N,dpt,Y,YX,YY,X,XX,N1,dpt1,Y1,YX1,YY1,X1,time]=kedalaman(C,F,aa a,ff,hh); %% Figure 1 %%
figure('Name','Time Series of Target Strength','NumberTitle','on') imagesc(X,YY,SS);
colorbar('XTickLabel',{'TS (dB)'},'XTick',[1],... 'XAxisLocation','bottom'); % propertis % Title ('') ylabel('Depth (m)') xlabel('Time (s)') %% Figure 2 %%
figure('Name','Time Series of Scattering Volume','NumberTitle','on') imagesc(X,YY,SV);
colorbar('XTickLabel',{'SV (dB)'},'XTick',[1],... 'XAxisLocation','bottom'); % propertis % Title ('') ylabel('Depth (m)') xlabel('Time (s)') %% figure 3 %%
figure('Name','Targeth Strength Vs Depth'); plot(YY1,SS1,'-r');
% propertis % Title ('')
ylabel('Target Strength (dB)') xlabel('Depth (m)')
gridon
%% figure 4 %%
figure('Name','Scattering Volume Vs Depth'); plot(YY1,SVv,'-');
% propertis % Title ('')
ylabel('Scattering Volume (dB)') xlabel('Depth (m)')
gridon
%% figure 5 %%
figure('Name','Echo Level(dB)Vs Time'); plot(time,EL1,'-');
%propertis % Title ('')
ylabel('Echo Level(dB)') xlabel('Time (s)') gridon %% figure 6 %% %figure('Name','Spectral Amplitude') %plot(XX,ff,'-b') %propertis%
%title('') %xlabel('Frequency (Hz)') %ylabel('Specktral Amplitude') %grid on %% figure 7 %% figure('Name','FFT'); plot(FF,PWR1(1:length(y)),'-b'); %propertis% title('') xlabel('Frequency (Hz)') ylabel('Specktral Amplitude') gridon
%% ________________________________________________ %%
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