Cardiology disease examination and treatment device
A treatment device, a technique of cardiology, applied in the direction of medical automatic diagnosis, computer-aided medical procedure, medical informatics, etc., can solve the problems of low accuracy of measurement results and so on
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Embodiment 1
[0133] In the present embodiment, the carrier frequency of the measured signal is 600MHz, and the power spectrum of the measured signal is measured with a spectrum analyzer AV4036F, and the phase noise of the measured signal is calculated according to the method of the present invention using the power spectrum data measured, and the phase noise is given measurement results. And the phase noise measurement result of the algorithm of the present invention is compared with the direct measurement result of the phase noise measurement module of AV4036F to illustrate the implementation process and effectiveness of the method of the present invention.
[0134] Figure 4 The power spectrum curve of the measured signal measured by the spectrum analyzer AV4036F and the fitting result of the nonlinear least squares method are given using the measured data of the power spectrum. The phase noise coefficient of the measured signal obtained from the fitting result is:
[0135]
[0136]...
Embodiment 2
[0144] In the embodiment, the carrier frequency of the signal to be tested is 800MHz. The spectrum analyzer AV4036F is used to measure the power spectrum of the measured signal, and the measured power spectrum data is used to calculate the phase noise of the measured signal according to the method of the present invention, and the measurement result of the phase noise is given. And the phase noise measurement result of the algorithm of the present invention is compared with the direct measurement result of the phase noise measurement module of AV4036F to illustrate the implementation process and effectiveness of the method of the present invention.
[0145] Image 6 The power spectrum curve of the measured signal measured by the spectrum analyzer AV4036F and the fitting result of the nonlinear least squares method are given using the measured data of the power spectrum. The phase noise coefficient of the measured signal obtained from the fitting result is:
[0146]
[014...
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