Figure 11.
Normalized values (in relation to the maximum value) of the variability of measures as a function of the number of image lines, supporting the determination of the correct number of lines of the image reproduced for the source image in the form of a picture from 
Figure 12.
Images reconstructed from the revealing emission signal measured at the frequency fo=1334 MHz for the number of lines of this image determined in accordance with the criterion of the maximum value of the measures presented in 
Figure 13.
Normalized values (in relation to the maximum value) of the variability of measures as a function of the number of image lines, supporting the determination of the correct number of lines of the image reproduced for the source image in the form of a picture from 
Figure 14.
Images reconstructed from the revealing emission signal measured at the frequency fo=200 MHz for the number of lines of this image determined in accordance with the criterion of the maximum value of the measures presented in 
Figure 15.
Normalized values (in relation to the maximum value) of the variability of measures as a function of the number of image lines, supporting the determination of the correct number of lines of the image reproduced for the source image in the form of a picture from 
Figure 16.
Images reconstructed from the revealing emission signal measured at the frequency fo=558 MHz, for the number of lines of this image determined in accordance with the criterion of the maximum value of the measures presented in 
Figure 17.
Normalized values (in relation to the maximum value) of the variability of measures as a function of the number of image lines, supporting the determination of the correct number of lines of the image reproduced for the source image in the form of a picture from 
Figure 18.
Images reconstructed from the revealing emission signal measured at the frequency fo=235 MHz, for the number of lines of this image determined in accordance with the criterion of the maximum value of the measures presented in 
Table 1.
Normalized values (in relation to the maximum value) of the variability of measures as a function of the number of image lines, supporting the determination of the correct number of lines of the image reproduced for the source image in the form of a picture from
記住我
Figure 1. Surrounding us potential sources of undesirable emissions correlated with the information processed.
Figure 1. Surrounding us potential sources of undesirable emissions correlated with the information processed.
Figure 2. An example of anechoic chamber.
Figure 2. An example of anechoic chamber.
Figure 3. Illustrating the effect of the number lines of image on its content: (a) correct number lines of the image, (b) too few lines of the image, (c) too many lines of the image.
Figure 3. Illustrating the effect of the number lines of image on its content: (a) correct number lines of the image, (b) too few lines of the image, (c) too many lines of the image.
Figure 4. The working scheme of coherent summing of images in electromagnetic infiltration process.
Figure 4. The working scheme of coherent summing of images in electromagnetic infiltration process.
Figure 5. Illustrating the influence of a wrongly determined number lines of image on the result of coherent summation (a summation of two first images): (a) for a small number lines of image, (b) for a large number lines of image.
Figure 5. Illustrating the influence of a wrongly determined number lines of image on the result of coherent summation (a summation of two first images): (a) for a small number lines of image, (b) for a large number lines of image.
Figure 6. Examples of incorrectly determined number of lines of the reconstructed images: (a) too few lines, (b) correct number of lines, (c) too many lines—30-fold summation of the reconstructed image for the revealing emission signal measured at the frequency fo=1334 MHz, band reception BW=50 MHz, primary image displayed in the mode of 1280 × 1024/60 Hz, DVI standard, image in greyscale.
Figure 6. Examples of incorrectly determined number of lines of the reconstructed images: (a) too few lines, (b) correct number of lines, (c) too many lines—30-fold summation of the reconstructed image for the revealing emission signal measured at the frequency fo=1334 MHz, band reception BW=50 MHz, primary image displayed in the mode of 1280 × 1024/60 Hz, DVI standard, image in greyscale.
Figure 7. Test images used in the analysis of the effectiveness of the proposed measures in the process of determining the correct number of lines of the reproduced image: (a) a photo showing two vehicles (HDMI standard), (b) a three-column text (HDMI standard), (c) three words “protection” written in secure font (VGA standard), (d) menu of multifunctional device.
Figure 7. Test images used in the analysis of the effectiveness of the proposed measures in the process of determining the correct number of lines of the reproduced image: (a) a photo showing two vehicles (HDMI standard), (b) a three-column text (HDMI standard), (c) three words “protection” written in secure font (VGA standard), (d) menu of multifunctional device.
Figure 8. Measuring systems for three different sources of revealing emissions: (a) HDMI and DVI standards, (b) display of laser printers.
Figure 8. Measuring systems for three different sources of revealing emissions: (a) HDMI and DVI standards, (b) display of laser printers.
Figure 9. An algorithm for determining the correct number lines of a reconstructed image.
Figure 9. An algorithm for determining the correct number lines of a reconstructed image.
Figure 10. Image reconstructed (two consecutive realizations of the image) from the recorded revealing signal for: (a) too few image lines, B=730; (b) correct number of image lines, BCorr=806; (c) too many image lines, B=900.
Figure 10. Image reconstructed (two consecutive realizations of the image) from the recorded revealing signal for: (a) too few image lines, B=730; (b) correct number of image lines, BCorr=806; (c) too many image lines, B=900.
Figure 19. Images for which statistical analyses were conducted (images reconstructed on base on reveal emissions for thirty times summation without colorization): (a) DVI standard, receive frequency fo=365 MHz, BW=50 MHz, number lines Bcorr=525, resolution 640 × 480/60 Hz; (b) DVI standard, receive frequency fo=1334 MHz, BW=50 MHz, number lines Bcorr=1066, resolution 1280 × 1024/60 Hz; (c) DVI standard, receive frequency fo=1805 MHz, BW=100 MHz, number lines Bcorr=1066, resolution 1280 × 1024/60 Hz; (d) DVI standard, receive frequency fo=1775 MHz, BW=100 MHz, number lines Bcorr=1125, resolution 1920 × 1080/60 Hz; (e) laser printer HP M507, menu with icons, receive frequency fo=392 MHz, BW=10 MHz, number lines Bcorr=266; (f) VGA standard, receive frequency fo=450 MHz, BW=20 MHz, number lines Bcorr=628, resolution 800 × 600/60 Hz; (g) laser printer, menu with text, receive frequency fo=235 MHz, BW=10 MHz, number lines Bcorr=288; (h) DVI standard, receive frequency fo=740 MHz, BW=50 MHz, number lines Bcorr=628, resolution 1280 × 1024/60 Hz; and (i) display of terminal VoIP, receive frequency fo=800 MHz, BW=20 MHz, number lines Bcorr=528.
Figure 19. Images for which statistical analyses were conducted (images reconstructed on base on reveal emissions for thirty times summation without colorization): (a) DVI standard, receive frequency fo=365 MHz, BW=50 MHz, number lines Bcorr=525, resolution 640 × 480/60 Hz; (b) DVI standard, receive frequency fo=1334 MHz, BW=50 MHz, number lines Bcorr=1066, resolution 1280 × 1024/60 Hz; (c) DVI standard, receive frequency fo=1805 MHz, BW=100 MHz, number lines Bcorr=1066, resolution 1280 × 1024/60 Hz; (d) DVI standard, receive frequency fo=1775 MHz, BW=100 MHz, number lines Bcorr=1125, resolution 1920 × 1080/60 Hz; (e) laser printer HP M507, menu with icons, receive frequency fo=392 MHz, BW=10 MHz, number lines Bcorr=266; (f) VGA standard, receive frequency fo=450 MHz, BW=20 MHz, number lines Bcorr=628, resolution 800 × 600/60 Hz; (g) laser printer, menu with text, receive frequency fo=235 MHz, BW=10 MHz, number lines Bcorr=288; (h) DVI standard, receive frequency fo=740 MHz, BW=50 MHz, number lines Bcorr=628, resolution 1280 × 1024/60 Hz; and (i) display of terminal VoIP, receive frequency fo=800 MHz, BW=20 MHz, number lines Bcorr=528.
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