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Converts an analog signal into multiple streams of time-domain data and reassembles the streams

A technology of data flow and analog-to-digital converter, which is applied in the direction of analog-to-digital converter, digital variable/waveform display, instrument, etc., and can solve the problems of expensive processing capacity of digital electronic components and inability to process available data in real time

Active Publication Date: 2019-05-31
KEYSIGHT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, RTSA may not be able to process all available data in real time
[0004] Unfortunately, increasing the processing power of digital electronic components like RTSA engines through traditional methods is generally expensive

Method used

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  • Converts an analog signal into multiple streams of time-domain data and reassembles the streams
  • Converts an analog signal into multiple streams of time-domain data and reassembles the streams
  • Converts an analog signal into multiple streams of time-domain data and reassembles the streams

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Embodiment Construction

[0029] In the following detailed description, for purposes of illustration and not limitation, representative examples disclosing specific details are given in order to provide a thorough understanding of the present teachings. However, it will be apparent to persons of ordinary skill in the art having the benefit of this disclosure that other embodiments in accordance with the teachings of the present invention depart from the specific details disclosed herein and still be within the scope of the appended claims. Moreover, descriptions of well-known apparatus and methods may be omitted so as not to obscure the description of the example embodiments. Such methods and apparatus are clearly within the scope of the teachings of the present invention.

[0030] The techniques employed herein are for the purpose of describing particular embodiments only and are not intended to be limiting. The defined terms additionally have the scientific and technical meanings of the defined term...

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Abstract

The electrical signal is processed by digitizing the electrical signal to produce a stream of digitized data in the time domain, where the stream has an original (1024) frequency spectrum; sending the stream to N signal paths (N>1); and This stream is down-converted and filtered in each of the signal paths to produce N streams of digitized data in the time domain, where the N streams each have N spectra, and the N spectra each cover N of the original (1024) spectra. different parts.

Description

technical field [0001] The present invention relates to converting an analog signal into corresponding multiple time-domain data streams corresponding to different regions of the frequency spectrum and recombining those data streams into a single time-domain data stream. Background technique [0002] An electronic device may convert an analog input signal into a digital input signal using an analog-to-digital converter (ADC). Such conversion may cause the device to process the converted signal using digital electronic components such as, for example, digital hardware and / or software. [0003] In some contexts, there may be a mismatch between the sampling rate of the ADC and the processing capabilities of the digital electronics. For example, in a traditional real-time spectrum analyzer (RTSA), the ADC may sample the analog input signal at a rate higher than the bandwidth of the RTSA engine used to generate the RTSA output signal. Therefore, RTSA may not be able to process ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M1/12
CPCG01R23/16G01R13/0272H03M1/12
Inventor R.A.博多
Owner KEYSIGHT TECH