电邮这篇文章 Generating and studying amplitude-frequency modulation signals using Rigol devices
- 作者: Lemeshko N.1, Gorelkin M.2
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隶属关系:
- АО «Корпорация «Комета»
- ООО «РШ Тех»
- 期: 编号 2 (233) (2024)
- 页面: 136-151
- 栏目: Test and measurement
- URL: https://journals.eco-vector.com/1992-4178/article/view/629565
- DOI: https://doi.org/10.22184/1992-4178.2024.233.2.136.151
- ID: 629565
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详细
The article discusses the issues of practical use of amplitudefrequency modulation (AFM) signals, their generation and measurement of characteristics. An example of generating AFM signals using Rigol DSG3136B-IQ generator and studying their properties using Rigol MSO8204 oscilloscope and Rigol RSA5056-TG spectrum analyzer is given.
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作者简介
N. Lemeshko
АО «Корпорация «Комета»
编辑信件的主要联系方式.
Email: nlem83@mail.ru
начальник отдела
俄罗斯联邦M. Gorelkin
ООО «РШ Тех»
Email: mikhail.gorelkin@rsh-tech.ru
менеджер по продукту
俄罗斯联邦参考
- Ширман Я.Д., Багдасарян С.Т., Маляренко А.С. и др. Радиоэлектронные системы. Основы построения и теория / Под ред. Ширмана Я.Д. М.: Радиотехника, 2007. 512 с.
- Баскаков С.И. Радиотехнические цепи и сигналы. М.: Высшая школа, 2003. 462 с.
- Гоноровский И.С. Радиотехнические цепи и сигналы. М.: Советское радио, 1971. 672 с.
- Румянцев К.Е. Радиоприемные устройства. М.: Академия, 2006. 336 с.
- Першин В.Т. Основы радиоэлектроники и схемотехники. Учебное пособие. Ч. 2. – Минск: Белорусский государственный университет информатики и радиоэлектроники, 2006. 152 с.
- Фомин А., Викторов Д. Метрология и радиоизмерения. Красноярск: Сибирский федеральный университет, 2016. 508 с.
- Справочник инженеров по радиомониторингу / Под ред. Слободнюка П.В. Киев, 2012. 720 с.
- Левшина Е.С., Новицкий П.В. Электрические измерения физических величин. Измерительные преобразователи. Л.: Энергоатомиздат, 1983. 320 с.
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Fig.1. FFT result for a signal with AFM with single-tone amplitude and frequency modulation, fA = 1 kHz and fCh = 4 kHz
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Fig.2. FFT result for a signal with AFM with single-tone amplitude and frequency modulation, fA = 4 kHz and fCh = 1 kHz
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Fig.3. FFT result for a signal with AFM with single-tone modulation in amplitude and frequency, fA = fЧ = 4 kHz
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Fig.4. FFT result for a signal with AFM with single-tone modulation in amplitude and frequency, with fA = fCh = 4 kHz, m = M = 0.8
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Fig.5. FFT result for the signal: a – with single-tone FM, fCh = 2 kHz, m = 5; b – with AFM at fA = 500 Hz; c – with AFM at fA = 2 kHz
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Fig.6. FFT results obtained with frequency modulation by a smooth signal at Δf = 100 kHz: a – in the absence of AM superposition; b – when superimposing polyharmonic AM with a maximum frequency of 20 kHz
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Fig.7. Block diagram of a signal detector with AFM
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Fig.8. Block diagram of a modulator that generates a signal with amplitude-frequency modulation
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Fig.9. Schematic diagram of a modulator that generates a signal with AFM
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Fig. 10. Rigol DSG3136B-IQ AM generator settings tab
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Fig. 11. Installation for studying signals with AFM in the time domain: a – diagram; b – photograph
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Fig. 12. Installation for studying signals with AFM in the frequency domain: a – diagram; b – photograph
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Fig. 13. Oscillogram of a signal with AFM in the persistence mode with a sweep duration of the order of one period
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Fig. 14. Cursor measurements along the envelope to calculate the AM depth: a – for minimum; b – for maximum
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Fig. 15. The result of statistical measurements for a signal with AFM
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Fig. 16. Results of measurements of the occupied signal bandwidth with AFM
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Fig. 17. Spectrogram of a signal with AFM at sinusoidal AM and FM
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