Realizing method and realizing device of six-port phase detector

A technology of phase detection and realization method, applied in the direction of measuring device, phase angle between voltage and current, instrument, etc., can solve the problems of complex system structure, easy to be subject to external interference, low signal-to-noise ratio and sensitivity, etc. And the effect of high signal-to-noise ratio, strong anti-interference and strong anti-interference ability

Inactive Publication Date: 2013-07-24
王少夫
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Problems solved by technology

However, the traditional phase detection device faces the problems of being susceptible to external interference, low signal-to-noise ratio and sensitivity, and complex system configuration. The present invention is mainly based on this ...

Method used

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  • Realizing method and realizing device of six-port phase detector
  • Realizing method and realizing device of six-port phase detector
  • Realizing method and realizing device of six-port phase detector

Examples

Experimental program
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Embodiment

[0024] Design a simple six-port phase meter detection device;

[0025] Using the above steps, the designed six-port phase detector detection device is as follows: image 3 Shown; its regression loss characteristics are as follows Figure 4 shown;

[0026] This multi-port phase detector has been successfully applied to microwave, receiver and radar phase verification and phase sequence verification, and has strong anti-interference. Compared with similar phase detection devices, traditional phase detection devices are vulnerable to External interference, low signal-to-noise ratio and sensitivity, and complex system configuration, the invention adopts a new phase detection method, which has high sensitivity and signal-to-noise ratio, good stability, strong anti-interference ability, simple and reasonable structure to obtain the most Good phase detection effect.

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Abstract

The invention provides a realizing method of a six-port phase detector. The realizing method of the six-port phase detector is used for detecting a phase of a radio frequency (RF) signal. According to the realizing method of the six-port phase detector, firstly, a traditional circuit model is modified, then according to the amplitude and a phase of a vector quantity and a base band vector quantity F related to a RF unknown signal, a certain reference signal is generated, can be used for measuring the phase of the unknown signal and is applied to phase verification and phase sequence verification of microwaves, a receiver and a radar. A traditional phase detection device is prone to external disturbance, and is low in signal to noise ratio and sensitivity and complex in system constitution. The realizing method of a six-port phase detector is high in sensitivity and signal to noise ratio, good in stability, strong in capacity of resisting disturbance, and simple and reasonable in structure, thereby obtaining an optimal phase detection result.

Description

technical field [0001] The invention relates to a method for realizing six-port phase detection. technical background [0002] In communication equipment and various systems. Phase detection devices are widely used, and the quality of phase detection devices directly determines the quality of products. Therefore, the research and production of phase detection devices has always been valued by various countries. Due to the development of computer technology, integrated technology and material industry, the development of phase detection devices has also reached a new level, and is developing in the direction of high precision, low power consumption, and small volume. At the same time, with the continuous improvement of the clock frequency of the digital communication system and the increase of the speed and bandwidth of the digital network, higher requirements are put forward for the phase detection device. However, the traditional phase detection device faces the problems ...

Claims

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Application Information

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IPC IPC(8): G01R25/00G01R29/18
Inventor 王少夫
Owner 王少夫
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