/programy/C/ix86/echo/SW/sonar/sonar.kdevelop |
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187,8 → 187,8 |
<includestyle>3</includestyle> |
<root>/usr/share/qt3</root> |
<designerintegration>EmbeddedKDevDesigner</designerintegration> |
<qmake></qmake> |
<designer></designer> |
<qmake>/usr/bin/qmake</qmake> |
<designer>/usr/bin/designer</designer> |
<designerpluginpaths/> |
</qt> |
<references/> |
/programy/C/ix86/echo/SW/sonar/src/.deps/sonar.Po |
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1,11 → 1,11 |
sonar.o: sonar.c /usr/include/stdio.h /usr/include/features.h \ |
/usr/include/bits/predefs.h /usr/include/sys/cdefs.h \ |
/usr/include/bits/wordsize.h /usr/include/gnu/stubs.h \ |
/usr/include/gnu/stubs-32.h \ |
/usr/lib/gcc/i486-linux-gnu/4.4.1/include/stddef.h \ |
/usr/include/gnu/stubs-64.h \ |
/usr/lib/gcc/x86_64-linux-gnu/4.4.1/include/stddef.h \ |
/usr/include/bits/types.h /usr/include/bits/typesizes.h \ |
/usr/include/libio.h /usr/include/_G_config.h /usr/include/wchar.h \ |
/usr/lib/gcc/i486-linux-gnu/4.4.1/include/stdarg.h \ |
/usr/lib/gcc/x86_64-linux-gnu/4.4.1/include/stdarg.h \ |
/usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h \ |
/usr/include/bits/stdio.h /usr/include/bits/stdio2.h \ |
/usr/include/stdlib.h /usr/include/sys/types.h /usr/include/time.h \ |
52,9 → 52,9 |
/usr/include/gnu/stubs.h: |
/usr/include/gnu/stubs-32.h: |
/usr/include/gnu/stubs-64.h: |
/usr/lib/gcc/i486-linux-gnu/4.4.1/include/stddef.h: |
/usr/lib/gcc/x86_64-linux-gnu/4.4.1/include/stddef.h: |
/usr/include/bits/types.h: |
66,7 → 66,7 |
/usr/include/wchar.h: |
/usr/lib/gcc/i486-linux-gnu/4.4.1/include/stdarg.h: |
/usr/lib/gcc/x86_64-linux-gnu/4.4.1/include/stdarg.h: |
/usr/include/bits/stdio_lim.h: |
/programy/C/ix86/echo/SW/sonar/src/sonar |
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Cannot display: file marked as a binary type. |
svn:mime-type = application/octet-stream |
/programy/C/ix86/echo/SW/sonar/src/sonar.c |
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20,7 → 20,8 |
#define SOUND_SPEED 340.0 // sound speed in air in metrs per second |
#define MAX_RANGE 10.0 // maximal working radius in meters |
#define APERTURE 0.2 // distance between microphones |
#define Xl -0.1 // microphones position |
#define Xr 0.1 |
static char *device = "plughw:0,0"; /* playback device */ |
static snd_pcm_format_t format = SND_PCM_FORMAT_S16; /* sample format */ |
278,7 → 279,8 |
echo_map = malloc(3*period_size*period_size * sizeof(float)); // Array to store two dimensional image of echos |
if (echo_map == NULL) printf("Can't allocate enought memory"); |
k = SOUND_SPEED/rate; |
k = SOUND_SPEED/rate; // normalising constant |
// generate ping pattern |
chirp_size = linear_windowed_chirp(chirp); |
374,8 → 376,8 |
for(j=0;j < period_size; j+=10) |
{ |
b=k*j; |
echo_map[m]=(a*a-b*b+APERTURE*APERTURE)/(2*APERTURE); |
echo_map[m+1]=sqrt((a-b-APERTURE)*(a+b-APERTURE)*(a-b+APERTURE)*(a+b+APERTURE))/(2*r); |
echo_map[m]=(-a*a+b*b+Xl*Xl+Xr*Xr)/(2*Xl-2*Xr); |
echo_map[m+1]=sqrt((a-b-Xl-Xr)*(a+b+Xl+Xr)*(a-b-Xl+Xr)*(a-b-Xl+Xr)*(a+b-Xl+Xr))/(-2*(Xl-Xr)); |
echo_map[m+2]=correlationl[i]*correlationr[j]; |
m+=3; |
} |
418,7 → 420,7 |
j=0; |
out=fopen("/tmp/plane_cut.txt","w"); // writes plane cut - e.g. density map to file |
for (i=0;i < period_size*period_size; i++) |
for (i=0;i < period_size*period_size/100; i++) |
{ |
fprintf(out,"%3.3f %3.3f %3.3f\n", echo_map[j], echo_map[j+1], echo_map[j+2]); |
j+=3; |