{"id":5347,"date":"2026-01-05T01:32:35","date_gmt":"2026-01-05T09:32:35","guid":{"rendered":"https:\/\/www.tfngj.com\/?p=5347"},"modified":"2026-01-05T01:32:37","modified_gmt":"2026-01-05T09:32:37","slug":"swept-tuned-vs-fast-fourier-transform-spectrum-analyzer-working-principles","status":"publish","type":"post","link":"https:\/\/www.tfngj.com\/ar\/swept-tuned-vs-fast-fourier-transform-spectrum-analyzer-working-principles\/","title":{"rendered":"\u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u0627\u0644\u0633\u0631\u064a\u0639 \u0645\u0642\u0627\u0628\u0644 \u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u0627\u0644\u0633\u0631\u064a\u0639: \u0645\u0628\u0627\u062f\u0626 \u0639\u0645\u0644 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641"},"content":{"rendered":"
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X(f)= \u221e- \u221ex(t)e-j2\u03c0ftdt<\/strong><\/strong><\/p>\n\n\n\n

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    \n
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      \n
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    • \u0646\u0637\u0627\u0642 \u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a \u0639\u0627\u0644\u064d \u0648\u062d\u0633\u0627\u0633\u064a\u0629 \u0645\u0645\u062a\u0627\u0632\u0629<\/li>\n\n\n\n
    • \u0628\u0646\u064a\u0629 \u0623\u062c\u0647\u0632\u0629 \u0646\u0627\u0636\u062c\u0629 \u0645\u0639 \u0645\u0639\u0627\u064a\u0631\u0629 \u0645\u0633\u062a\u0642\u0631\u0629<\/li>\n<\/ul>\n\n\n\n

      \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646\u0647\u0627 \u062a\u0638\u0647\u0631 \u0642\u064a\u0648\u062f\u064b\u0627 \u0645\u062a\u0623\u0635\u0644\u0629 \u0641\u064a\u0647\u0627:<\/p>\n\n\n

        \n
      • \u0639\u062f\u0645 \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0645\u062f\u0629 \u0623\u0648 \u0627\u0644\u0639\u0627\u0628\u0631\u0629<\/li>\n\n\n\n
      • \u0627\u062d\u062a\u0645\u0627\u0644 \u062a\u0641\u0648\u064a\u062a \u0623\u062d\u062f\u0627\u062b \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629<\/li>\n\n\n\n
      • \u064a\u0632\u062f\u0627\u062f \u0632\u0645\u0646 \u0627\u0644\u0645\u0633\u062d \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0639\u0631\u0636 \u0646\u0637\u0627\u0642 \u0627\u0644\u062f\u0642\u0629 \u0648\u0627\u0644\u0645\u062f\u0649<\/li>\n<\/ul>\n\n\n\n

        \u062a\u0635\u0628\u062d \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0648\u062f \u062d\u0631\u062c\u0629 \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0636\u0645\u0646 \u0642\u0641\u0632 \u0627\u0644\u062a\u0631\u062f\u062f \u0623\u0648 \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0645\u062a\u062a\u0627\u0628\u0639 \u0623\u0648 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0637\u064a\u0641\u064a\u0629 \u0627\u0644\u0643\u062b\u064a\u0641\u0629 [2].<\/p>\n\n\n

        \u0645\u0628\u062f\u0623 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 FFT<\/h2>\n\n\n

        \u0623\u062e\u0630 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0648\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0631\u0642\u0645\u064a<\/h3>\n\n\n\n

        \u064a\u0639\u062a\u0645\u062f \u0645\u0628\u062f\u0623 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 FFT \u0639\u0644\u0649 \u062a\u062d\u0648\u064a\u0644 \u062a\u0646\u0627\u0638\u0631\u064a \u0625\u0644\u0649 \u0631\u0642\u0645\u064a \u0639\u0627\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629 (ADC)<\/strong> \u0645\u062a\u0628\u0648\u0639\u064b\u0627 \u0628\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629. \u064a\u062a\u0645 \u0623\u062e\u0630 \u0639\u064a\u0646\u0629 \u0645\u0646 \u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u062f\u062e\u0644 \u0628\u0645\u0639\u062f\u0644 \u064a\u0641\u064a \u0628\u0645\u0639\u064a\u0627\u0631 \u0646\u064a\u0643\u0648\u064a\u0633\u062a:<\/p>\n\n\n\n

        fs\u22652B<\/strong><\/strong><\/p>\n\n\n\n

        \u062d\u064a\u062b (fs) \u0647\u0648 \u062a\u0631\u062f\u062f \u0623\u062e\u0630 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0648(B) \u0647\u0648 \u0639\u0631\u0636 \u0646\u0637\u0627\u0642 \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/p>\n\n\n\n

        \u062b\u0645 \u062a\u062a\u0645 \u0645\u0639\u0627\u0644\u062c\u0629 \u0643\u062a\u0644\u0629 \u0645\u0646 \u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0632\u0645\u0646\u064a (N) \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u0627\u0644\u0645\u062a\u0642\u0637\u0639 (DFT)\u060c \u0627\u0644\u0630\u064a \u064a\u062a\u0645 \u062d\u0633\u0627\u0628\u0647 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0628\u0631 \u062e\u0648\u0627\u0631\u0632\u0645\u064a\u0629 \u062a\u062d\u0648\u064a\u0644 \u0641\u0648\u0631\u064a\u064a\u0647 \u0627\u0644\u0645\u062a\u0642\u0637\u0639:<\/p>\n\n\n\n

        \u0633(\u0643)=\u0646=0 \u2211\u0646-\u0646-1\u0633(\u0646)\u0647\u0640-\u062c2-\u0628-\u0646\/\u0646<\/strong><\/strong><\/p>\n\n\n\n

        \u064a\u062d\u0633\u0628 \u0647\u0630\u0627 \u0627\u0644\u0646\u0647\u062c \u0637\u064a\u0641 \u0627\u0644\u062a\u0631\u062f\u062f \u0628\u0623\u0643\u0645\u0644\u0647 \u0641\u064a \u0648\u0642\u062a \u0648\u0627\u062d\u062f \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0633\u0644\u0633\u0644 [3].<\/p>\n\n\n

        \u0627\u0644\u062a\u0635\u0641\u064a\u0629 \u0648\u0627\u0644\u062a\u0633\u0631\u0628 \u0627\u0644\u0637\u064a\u0641\u064a<\/h3>\n\n\n\n

        \u0641\u064a \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0641\u064a \u0627\u0644\u0639\u0627\u0644\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a FFT\u060c \u064a\u062a\u0645 \u062a\u0637\u0628\u064a\u0642 \u062f\u0648\u0627\u0644 \u0627\u0644\u0646\u0648\u0627\u0641\u0630 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0647\u0627\u0646\u0646\u062c\u060c \u0628\u0644\u0627\u0643\u0645\u0627\u0646-\u0647\u0627\u0631\u064a\u0633) \u0644\u0644\u062a\u062e\u0641\u064a\u0641 \u0645\u0646 \u0627\u0644\u062a\u0633\u0631\u0628 \u0627\u0644\u0637\u064a\u0641\u064a \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0627\u0644\u0633\u062c\u0644\u0627\u062a \u0627\u0644\u0632\u0645\u0646\u064a\u0629 \u0627\u0644\u0645\u062d\u062f\u0648\u062f\u0629. \u064a\u0624\u062b\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0627\u0641\u0630\u0629 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u062f\u0642\u0629 \u0627\u0644\u0633\u0639\u0629 \u0648\u062f\u0642\u0629 \u0627\u0644\u062a\u0631\u062f\u062f - \u0648\u0647\u0648 \u0627\u0639\u062a\u0628\u0627\u0631 \u0645\u0647\u0645 \u0644\u0644\u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629.<\/p>\n\n\n

        \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0645\u0636\u0628\u0648\u0637 \u0628\u0645\u0642\u064a\u0627\u0633 Swept-Tuned \u0645\u0642\u0627\u0628\u0644 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 FFT: \u0645\u0642\u0627\u0631\u0646\u0629 \u0647\u0646\u062f\u0633\u064a\u0629<\/h2>\n\n\n

        \u0645\u0642\u0627\u064a\u0636\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621<\/h3>\n\n\n\n
        \u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/strong><\/strong><\/td>\u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u062a\u0631\u062f\u062f\u064a \u0627\u0644\u0645\u0636\u0628\u0648\u0637 \u0628\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u062a\u0631\u062f\u062f\u064a<\/strong><\/strong><\/td>\u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 FFT<\/strong><\/strong><\/td><\/tr>
        \u0627\u0643\u062a\u0633\u0627\u0628 \u0627\u0644\u062a\u0631\u062f\u062f<\/td>\u0627\u0644\u0645\u0633\u062d \u0627\u0644\u0645\u062a\u0633\u0644\u0633\u0644<\/td>\u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629<\/td><\/tr>
        \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0628\u0631\u0629<\/td>\u0645\u062d\u062f\u0648\u062f\u0629<\/td>\u0645\u0645\u062a\u0627\u0632<\/td><\/tr>
        \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a<\/td>\u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u0627\u064b<\/td>ADC-\u0645\u062d\u062f\u0648\u062f<\/td><\/tr>
        \u0633\u0631\u0639\u0629 \u0627\u0644\u0642\u064a\u0627\u0633<\/td>\u0645\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u062d<\/td>\u0634\u0628\u0647 \u0641\u0648\u0631\u064a<\/td><\/tr>
        \u0627\u0644\u062a\u0639\u0642\u064a\u062f<\/td>\u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a\u0629 \u0627\u0644\u0645\u0643\u062b\u0641\u0629<\/td>\u0631\u0642\u0645\u064a \u0643\u062b\u064a\u0641 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 DSP<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        \u0645\u0646 \u0648\u062c\u0647\u0629 \u0646\u0638\u0631 \u0645\u0628\u062f\u0623 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641\u060c \u062a\u062a\u0641\u0648\u0642 \u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 \u0628\u0627\u0644\u0645\u0645\u0633\u0648\u062d \u0641\u064a \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629 \u0648\u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0647\u064a\u0645\u0646 \u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 FFT \u0639\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0648\u0639\u064a\u064b\u0627 \u0628\u0627\u0644\u0637\u064a\u0641 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a [4].<\/p>\n\n\n

        \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0648\u0627\u0644\u0628\u0646\u0649 \u0627\u0644\u0647\u062c\u064a\u0646\u0629<\/h2>\n\n\n\n

        \u062a\u062f\u0645\u062c \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a FFTs \u0627\u0644\u0645\u062a\u062f\u0627\u062e\u0644\u0629 \u0648\u0645\u062e\u0627\u0632\u0646 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0639\u0645\u064a\u0642\u0629 \u0648\u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 FPGA \u0644\u0644\u062a\u062e\u0644\u0635 \u0645\u0646 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0623\u0639\u0645\u0649. \u062a\u0636\u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644 \u0627\u0644\u0627\u0639\u062a\u0631\u0627\u0636 (POI) \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0632\u064a\u062f \u0639\u0646 \u0645\u062f\u0629 \u0648\u0633\u0639\u0629 \u0645\u062d\u062f\u062f\u0629.<\/p>\n\n\n\n

        \u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0642\u064a\u0648\u062f \u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0645\u062a\u0637\u0648\u0631\u0629 \u0628\u0646\u064a\u0627\u062a \u0647\u062c\u064a\u0646\u0629 \u062a\u062c\u0645\u0639 \u0628\u064a\u0646 \u0627\u0644\u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0645\u064a\u0629 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 \u0628\u0645\u062c\u0633\u0627\u062a \u0645\u0639 \u0645\u0639\u0627\u0644\u062c\u0629 IF IF \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 FFT. \u064a\u062f\u0645\u062c \u0647\u0630\u0627 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0648\u0627\u0633\u0639 \u0645\u0639 \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0643\u0634\u0641 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u060c \u0645\u0645\u0627 \u064a\u0639\u0643\u0633 \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 [5].<\/p>\n\n\n

        \u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0647\u0646\u062f\u0633\u064a<\/h2>\n\n\n\n

        \u0645\u0646 \u0645\u0646 \u0645\u0646\u0638\u0648\u0631 \u0627\u0644\u0628\u062d\u062b \u0648\u0627\u0644\u062a\u0637\u0648\u064a\u0631\u060c \u064a\u0639\u062a\u0645\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u0646\u064a\u0629 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0639\u0644\u0649 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642:<\/p>\n\n\n

          \n
        • \n\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 EMI\/EMC<\/strong> \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0641\u0636\u0650\u0651\u0644 \u0627\u0644\u0645\u062d\u0644\u0650\u0651\u0644\u0627\u062a \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 \u0628\u0636\u0628\u0637 \u0627\u0644\u0645\u0627\u0633\u062d \u0628\u0633\u0628\u0628 \u0646\u0637\u0627\u0642\u0647\u0627 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a.<\/li>\n\n\n\n
        • \n\u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a \u0648\u0645\u0637\u0627\u0631\u062f\u0629 \u0627\u0644\u062a\u062f\u0627\u062e\u0644\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629<\/strong> \u0627\u0644\u0627\u0633\u062a\u0641\u0627\u062f\u0629 \u0645\u0646 \u0645\u0628\u0627\u062f\u0626 FFT \u0648\u0645\u0628\u0627\u062f\u0626 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a.<\/li>\n\n\n\n
        • \n\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u0645\u062a\u0642\u062f\u0645<\/strong> \u064a\u062a\u0637\u0644\u0628 \u0639\u0627\u062f\u0629\u064b \u0645\u0639\u0627\u0644\u062c\u0629 \u0631\u0642\u0645\u064a\u0629 \u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 FFT.<\/li>\n<\/ul>\n\n\n\n

          \u064a\u0633\u0645\u062d \u0641\u0647\u0645 \u0645\u0628\u062f\u0623 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0628\u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u0627\u062a \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0648\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u062e\u0627\u0637\u0626 \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0642\u064a\u0648\u062f \u0627\u0644\u062c\u0647\u0627\u0632.<\/p>\n\n\n

          \u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n\n\n\n

          \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630 \u0645\u0628\u062f\u0623 \u0645\u062d\u0644\u0644 \u0627\u0644\u0637\u064a\u0641 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0645\u0646\u0647\u062c\u064a\u062a\u064a\u0646 \u0645\u062e\u062a\u0644\u0641\u062a\u064a\u0646 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a: \u0627\u0644\u0645\u0633\u062d \u0627\u0644\u062a\u0631\u062f\u062f\u064a \u0627\u0644\u0645\u0636\u0628\u0648\u0637 \u0628\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u064f\u0645\u0633\u0648\u062d \u0648\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0631\u0642\u0645\u064a \u0627\u0644\u0642\u0627\u0626\u0645 \u0639\u0644\u0649 \u062a\u0642\u0646\u064a\u0629 FFT. \u0648\u062a\u0639\u062a\u0645\u062f \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 \u0628\u0645\u0633\u062d \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u0643\u0646\u0633\u0629 \u0639\u0644\u0649 \u0628\u0646\u064a\u0627\u062a \u0627\u0644\u062a\u063a\u0627\u064a\u0631 \u0627\u0644\u0641\u0627\u0626\u0642 \u0648\u0627\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0633\u0644\u0633\u0644\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 FFT \u0623\u062e\u0630 \u0639\u064a\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u064a\u0629.<\/p>\n\n\n\n

          \u064a\u0642\u062f\u0645 \u0643\u0644 \u0646\u0647\u062c \u0645\u0632\u0627\u064a\u0627 \u0648\u0642\u064a\u0648\u062f \u0641\u0631\u064a\u062f\u0629 \u0645\u0646 \u0646\u0648\u0639\u0647\u0627. \u0648\u0645\u0639 \u062a\u0632\u0627\u064a\u062f \u062a\u0639\u0642\u064a\u062f \u0648\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629\u060c \u062a\u0632\u062f\u0627\u062f \u0623\u0647\u0645\u064a\u0629 \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 \u062a\u0642\u0646\u064a\u0629 FFT \u0648\u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0647\u062c\u064a\u0646\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u062a\u0638\u0644 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0636\u0628\u0648\u0637\u0629 \u0628\u0627\u0644\u0645\u0645\u0633\u0648\u062d \u0627\u0644\u0645\u064f\u0645\u0633\u0648\u062d \u0644\u0627 \u063a\u0646\u0649 \u0639\u0646\u0647\u0627 \u0644\u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0639\u0631\u064a\u0636 \u0630\u0627\u062a \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a \u0627\u0644\u0639\u0627\u0644\u064a.<\/p>\n\n\n\n

          \u064a\u0639\u062f \u0627\u0644\u0641\u0647\u0645 \u0627\u0644\u0645\u062a\u064a\u0646 \u0644\u0647\u0630\u0647 \u0627\u0644\u0645\u0628\u0627\u062f\u0626 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0645\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u064a\u0646 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0638\u0627\u0645 \u0648\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u062a\u0647.<\/p>","protected":false},"excerpt":{"rendered":"

          Understanding the spectrum analyzer principle is fundamental for RF engineers, system designers, and test & measurement professionals. A spectrum analyzer converts time-domain signals into the frequency domain, allowing engineers to evaluate signal bandwidth, spurious emissions, phase noise, harmonics, and interference. Modern spectrum analyzers are primarily built on two distinct architectures: swept-tuned spectrum analyzers and Fast […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-5347","post","type-post","status-publish","format-standard","hentry","category-tfn-blog"],"yoast_head":"\nSwept-Tuned vs FFT: Working Principles of Spectrum Analyzer<\/title>\n<meta name=\"description\" content=\"Modern spectrum analyzers are primarily built on two distinct architectures: swept-tuned and Fast Fourier Transform (FFT)\u2013based.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tfngj.com\/ar\/swept-tuned-vs-fast-fourier-transform-spectrum-analyzer-working-principles\/\" \/>\n<meta property=\"og:locale\" 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