AM/FM modulation and demodulation experiment table
A test bench and panel technology, applied in instruments, simulators, space navigation equipment, etc., can solve the problems of strong theoretical knowledge, inconvenient for students to operate and demonstrate, etc., and achieve obvious effects.
Pending Publication Date: 2017-03-08
XIAN SIYUAN UNIV
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Problems solved by technology
[0002] The modulation and demodulation of video and audio signals is widely used, but its related knowledge is highly theoretical, and the existing equipment or instruments are not convenient for students to operate and demonstrate in the laboratory
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[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] The core of the invention is to provide an AM / FM modulation and demodulation experiment platform, which is convenient for students to operate and demonstrate in the laboratory.
[0021] See Figure 1-Figure 4 .
[0022] An AM / FM modulation and demodulation experimental platform, including two sub-experimental platforms:
[0023] AM / FM modulation and transmitting experimental platform and AM / FM receiving and demodulating experimental platform: AM / FM modulation and transmitting experimental platform, including the first panel...
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The invention relates to an AM / FM modulation and demodulation experiment table, and the experiment table comprises an AM / FM modulation and emission experiment table and an AM / FM receiving and demodulation experiment table. The AM / FM modulation and emission experiment table comprises a first panel and a first pedestal, and a side surface of the first pedestal is provided with an AM / FM signal input interface and a first power interface. The first panel is provided with a modulation module, a signal testing interface, a broadband amplifier, a signal emission device, and a power switch. The AM / FM receiving and demodulation experiment table comprises a second panel and a second pedestal. A side surface of the second pedestal is provided with an AM / FM signal output interface and a second power interface, and the second panel is provided with a signal receiving device. Aiming at a modulation and demodulation theory of video and audio signals, the invention provides a simple and practical method, and the method is used for the practical teaching of students. After the popularization and application, the method enables the students majoring in related specialties to deepen the understanding of theoretical knowledge, and also improves the capability of theory with practice, and is remarkable in effect.
Description
technical field [0001] The invention relates to the field of signal modulation and demodulation, in particular to an AM / FM modulation and demodulation experimental platform. Background technique [0002] The modulation and demodulation of video and audio signals are widely used, but the relevant knowledge is highly theoretical, and the existing equipment or instruments are not convenient for students to operate and demonstrate in the laboratory. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies in the prior art, to provide a kind of AM / FM modulation and demodulation experimental platform, which is convenient for students to operate and demonstrate in the laboratory, so as to understand the modulation and demodulation process of video and audio signals, and enhance the The ability to connect theory with practice. [0004] To achieve the above object, the present invention discloses the following technical solutions: [...
Claims
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IPC IPC(8): G09B9/00
CPCG09B9/00
Inventor 林智慧张首军位永辉
Owner XIAN SIYUAN UNIV