Method for measuring RLC (Radio Link Control) parameters

Abstract

The invention discloses a measurement method with a new algorithm for measuring RLC (Radio Link Control) parameters. In a modern measurement and control system, real-time measurement usually needs to be carried out on the RLC parameters, and the level of precision has decisive influences on functions of a system [1]. Performances and indexes of components can be changed under different frequency tests, particularly under a high-frequency section [2]. Traditional measurement manners are simulation manners and comprise a voltmeter-ammeter method, an electric bridge method, a resonance method and the like; the precision is poor and the measurement frequency is low; measurement of the components under the high frequency cannot be met. Along the improvement of testing frequency requirements, a semi-bridge balance method based on the voltmeter-ammeter method becomes a mainstream method and the measurement accuracy is improved. However, in the aspect of processing a phase relation, phases can be directly calculated by all searchable documents; and a process is complicated and the precision of a measurement system is influenced. The invention provides an algorithm capable of avoiding direction calculation of the phases. The invention provides the method for measuring the RLC parameters by utilizing an RLC resistance value obtained by phase difference sine and cosine based on separation of vector voltage, resistance and reactance components; and compared with a method which is utilized at present, the measurement precision is high and the practicability is high.

Description

technical field [0001] The invention relates to the technical field of RLC parameter measurement, relates to electronics, embedded, circuit and other related technologies, in particular to a method for measuring RLC parameters based on the principle of voltammetry side impedance. Background technique [0002] In modern measurement and control systems, it is often necessary to measure RLC parameters in real time, and its accuracy has a decisive impact on the system's functions. Components are tested at different frequencies, especially in high-frequency bands, and their performance and indicators will change. The traditional measurement methods are all analog, such as voltammetry, bridge method, resonance method, etc., which have poor accuracy and low measurement frequency, which cannot meet the measurement of components at high frequencies. With the improvement of the test frequency requirements, the half-bridge balance method based on the voltammetry method has become the ...

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Problems solved by technology

However, in the processing of the phase relationship, all available documents directly calculate the phase, which is complicated and affects the accuracy of the measurement system

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