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Method and system for generating Ka band multi-path millimeter wave signals

A signal generation, millimeter wave technology, applied in the electronic field, can solve the problems of poor amplitude and phase consistency, high cost, small device size, etc., to achieve the effect of saving device cost, simple circuit, and easy implementation

Inactive Publication Date: 2011-04-20
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

The former method is too complicated to realize the circuit, the cost is high, and the amplitude and phase consistency of the final multi-channel output will be poor due to device differences; the latter method has a simple circuit and low cost, but the difficulty lies in the back-end power division circuit (due to the small size of the device in the millimeter wave frequency band, the processing accuracy is difficult to ensure the consistency of the amplitude and phase of the final multi-channel output signal)

Method used

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  • Method and system for generating Ka band multi-path millimeter wave signals
  • Method and system for generating Ka band multi-path millimeter wave signals
  • Method and system for generating Ka band multi-path millimeter wave signals

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Embodiment Construction

[0029] In the present invention, the specific frequency of the low-frequency local oscillator signal, the double frequency series of the frequency multiplication link (set as n), the power classification number of the N-way power divider (set as k), and the Ka-band local oscillator signal from the N-way The number of channels M selected in the frequency converter, the selection of the intermediate frequency signal in the frequency converter, and the filter and amplifier in the entire system can be flexibly designed according to the actual situation, so that the present invention has various flexible implementation modes. The following is only a specific embodiment of the present invention, rather than limiting the present invention.

[0030] A Ka-band multi-channel millimeter-wave signal generation system, including frequency multiplication links, 64-way power dividers and 40 parallel frequency converters; 60MHz low-frequency local oscillator signals are multiplied 8 times to K...

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Abstract

The invention discloses a method and a system for generating Ka band multi-path millimeter wave signals, and belongs to the technical field of electronics. The method comprises the following steps of: doubling frequencies of low-frequency local oscillation signals to a Ku band by adopting a single frequency doubling chain, dividing the power of the local oscillation signals into N paths in the Kuband, then doubling the frequencies of the selected M paths with good amplitude and phase consistency to a Ka band, and performing frequency conversion to the Ka band meeting the application requirement through a frequency mixer after filtering. The method can generate multiple paths of Ka band millimeter wave signals with good amplitude and phase consistency to meet the application requirement of a Ka band millimeter wave complete system, meanwhile, is easy to implement, and has the characteristics of relatively simple circuits and relatively low cost.

Description

technical field [0001] The invention belongs to the field of electronic technology, and relates to a microwave and millimeter wave up-conversion system, in particular to a Ka-band millimeter-wave up-conversion system with good amplitude and phase consistency and multiple outputs. Background technique [0002] Millimeter waves are widely used in radar and guidance systems, electronic countermeasures, millimeter wave communications, fuzes, meteorological research, satellite remote sensing and other fields. In the microwave and millimeter wave complete system, the up-conversion system with superior performance plays a key role in the performance of the complete system. Existing microwave and millimeter-wave complete systems usually require the use of multiple channels (some as many as tens or hundreds) of microwave and millimeter-wave signals, and these multiple channels of microwave and millimeter-wave signals must have good amplitude-phase consistency. [0003] In order to m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/155H04B10/12H04B10/11
Inventor 喻梦霞徐军李桂萍
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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