e85d191b46
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
126 lines
3.5 KiB
Text
126 lines
3.5 KiB
Text
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#X obj 189 166 line~;
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#X obj 189 67 / 10;
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#X text 184 23 bandwidth;
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#X obj 189 191 +~ 1;
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#X obj 42 211 +~ 1;
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#X text 63 1 PULSE SPECTRUM MEASUREMENT;
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#X text 14 357 Here is a measured amplitude spectrum for the pulse
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train. Nutice that \, other than a smallish spillover \, the energy
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sits in one "lobe" whose changing width justifies our calling the squeeze
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factor the "bandwidth.";
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#X text 16 428 The spectrum is in units of amplitude. THe sidelobes
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\, although they look small \, are actually only about 34 dB down.
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You can design more complicated pulse trains \, little Blackman window
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functions \, which control the sidelobes much better.;
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#X obj 29 155 sqrt~;
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#X obj 332 109 block~ 4096 1;
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#X obj 29 181 biquad~ 0 0 0 0 1;
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#X text 93 93 Fourier series;
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#X text 98 146 magnitude;
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#X text 96 131 calculate;
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#X text 21 3 This subpatch computes the spectrum of the incoming signal
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with a (rectangular windowed) FFT. FFTs aren't properly introduced
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until much later.;
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#X text 83 61 signal to analyze;
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#X text 193 164 delay two samples;
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#X text 191 182 for better graphing;
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#X obj 264 434 samplerate~;
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#X obj 264 457 / 256;
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#X obj 238 261 metro 500;
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#X obj 238 238 inlet;
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#X text 291 236 toggle to graph repeatedly;
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#X text 262 212 bang to graph once;
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#X obj 19 295 tabwrite~ F03-signal;
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#X obj 235 299 tabwrite~ F03-spectrum;
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#X obj 264 409 bang~;
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#X msg 209 322 \; pd dsp 1;
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#X restore 95 264 pd fft;
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#X text 176 263 <-- repeatedly;
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#X text 177 243 <-- graph once;
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#X restore 579 99 graph;
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#X text 640 454 ---- 0.02 seconds ----;
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#X text 608 230 2;
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#X text 639 230 4;
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#X text 578 230 0;
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#X text 616 245 -- partial number --;
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#X text 732 230 10;
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#X text 764 230 12;
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#X text 796 230 14;
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#X text 605 488 updated for Pd version 0.37;
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