New demos for signal processing functions

5 files changed, 45 insertions, 0 deletions

diff --git a/2.3-1/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci b/2.3-1/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci
new file mode 100644
index 00000000..fcf1732f
--- /dev/null
+++ b/2.3-1/tests/unit_tests/test_ffilt/scilabcode/ffilttest.sci
@@ -0,0 +1,8 @@
+function ffilttest()
+    ft="sb";
+    ni=5;
+    fc=0.2;
+    fh=0.9;
+    xi=ffilt(ft,ni,fc,fh);
+    disp(xi);
+endfunction
diff --git a/2.3-1/tests/unit_tests/test_ffilt/scilabcode/main.sci b/2.3-1/tests/unit_tests/test_ffilt/scilabcode/main.sci
new file mode 100644
index 00000000..ced653a3
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+++ b/2.3-1/tests/unit_tests/test_ffilt/scilabcode/main.sci
@@ -0,0 +1,12 @@
+// The main function test the ffilt function
+// ffilt->returns the coefficients of FIR low pass filter
+function main()
+	ft="sb";    //ft is the type of filter
+        ni=5;       //ni is the number of filters sample required
+        fc=0.2;     //low frequency cutoff
+        fh=0.9;     //high cutoff frequency
+        xi=ffilt(ft,ni,fc,fh);
+        disp(xi);
+endfunction
+//output
+// 0.2449143    0.4898285  - 0.4    0.4898285    0.2449143  
diff --git a/2.3-1/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci b/2.3-1/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci
new file mode 100644
index 00000000..ab674b67
--- /dev/null
+++ b/2.3-1/tests/unit_tests/test_filtsinc/scilabcode/filt_sinctest.sci
@@ -0,0 +1,10 @@
+//This is the demo for filt_sinc function
+//This function gives the samples of the sinc fuction
+function filt_sinctest()
+    ni=int(10);  //This is the number of samples
+    fc=2;        //This is the cut-off freq. of the assosciated low pass filter
+    sd=filt_sinc(ni,fc);
+    disp(sd);
+endfunction
+//output
+//
diff --git a/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci b/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci
new file mode 100644
index 00000000..4ecec4ea
--- /dev/null
+++ b/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/fsfirlintest.sci
@@ -0,0 +1,6 @@
+function fsfirlintest()
+    in=[1 2 3 4 5 6 7 8];
+    flg=2;
+    op=fsfirlin(in,flg);
+    disp(op);
+endfunction
diff --git a/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/main.sci b/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/main.sci
new file mode 100644
index 00000000..a3acc51b
--- /dev/null
+++ b/2.3-1/tests/unit_tests/test_fsfirlin/scilabcode/main.sci
@@ -0,0 +1,9 @@
+//This is the demo file to test the function fsfirlin
+//The function gives design of FIR,linear phase filters using frequency sampling technique
+function main()
+	in=[1 2 3 4 5 6 7 8];   //This is the vector of desired frequency responses samples
+        flg=2;                 //flg=2 for type-2 filter , it can be 1 for type-1 filter
+        op=fsfirlin(in,flg);
+        disp(op);
+endfunction
+//output