TDC-based pulse carrier frequency detecting device and method

A technology of frequency detection and pulse carrier, which is applied in the field of measurement and radar, can solve the problems of low pulse frequency detection accuracy and complex implementation, and achieve the effect of improving frequency measurement accuracy, reducing frequency test cost, and improving accuracy

Pending Publication Date: 2019-03-01
成都能通科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a pulse carrier frequency detection device and method based on TDC, which is a new pulse modulation radio frequency freque

Method used

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  • TDC-based pulse carrier frequency detecting device and method
  • TDC-based pulse carrier frequency detecting device and method

Examples

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Embodiment 1

[0049] The present invention is realized through the following technical solutions, as Figure 1-Figure 2 As shown, a TDC-based pulse carrier frequency detection device includes a signal conditioning unit, a band frequency division unit, a power and pulse envelope detection unit, a TDC unit, a power processing unit, and a signal processing unit. The signal conditioning unit, the band The frequency division unit, TDC unit, and signal processing unit are connected in sequence, the signal conditioning unit, power and pulse envelope detection unit, power processing unit, and signal processing unit are connected in sequence, and the band frequency division unit is connected to the signal processing unit.

[0050] It should be noted that, through the above improvements, the present invention proposes a TDC-based pulse carrier frequency detection device and method, the device includes a signal conditioning unit, a band frequency division unit, a power and pulse envelope detection unit...

Embodiment 2

[0054] This embodiment is further optimized on the basis of the above embodiments, such as figure 1 As shown, the frequency division unit of the band includes a frequency division unit of the low band and a frequency division unit of the high band, and the output ends of the signal conditioning unit are connected with the frequency division unit of the low band and the frequency division unit of the high band respectively, and the frequency division unit of the low band The output ends of the frequency unit are respectively connected to the TDC unit and the signal processing unit, and the output ends of the high-band frequency division unit are respectively connected to the TDC unit and the signal processing unit.

[0055] It should be noted that, through the above improvement, the frequency division unit of the band includes a frequency division unit of the high band and a frequency division unit of the low band, and the frequency division unit of the high band and the frequen...

Embodiment 3

[0059] This embodiment is further optimized on the basis of the above embodiments, such as figure 1 As shown, a comparator unit is also included, the output terminal of the power and pulse envelope detection unit is connected to the comparator unit, and the output terminal of the comparator unit is connected to the signal processing unit.

[0060] It should be noted that, through the above improvements, the power and pulse envelope detection unit performs accurate logarithmic detection on the measured signal coupled by the signal conditioning unit, and the detected signal is sent to the power processing unit and the comparator unit at the same time. The measured signal input to the signal conditioning unit is a pulse modulation signal or a continuous radio frequency signal, and the detection signal is sent to the power processing unit and the comparator unit at the same time. When the input signal to be tested is a continuous radio frequency signal, the detection signal is a d...

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Abstract

The invention discloses a TDC-based pulse carrier frequency detecting device and method. The system comprises a signal conditioning unit, a band frequency dividing unit, a power and pulse envelope detecting unit, a TDC unit, a power processing unit, and a signal processing unit. The signal conditioning unit, the band frequency dividing unit, the TDC unit, and the signal processing unit are sequentially connected; the signal conditioning unit, the power and pulse envelope detecting unit, the power processing unit, and the signal processing unit are sequentially connected; and the band frequencydividing unit and the e signal processing unit are connected. Therefore, the frequency test cost of the pulse modulation signal is lowered; and the accuracy of the frequency test is improved. The capability of measurement of the pulse parameters like the pulse width, the rising time, and the falling time of the pulse modulation signal and the frequency of the continuous radio-frequency signal isenhanced; and power measurement of the pulse modulated signal and the continuous radio-frequency signal is provided.

Description

technical field [0001] The invention relates to the technical fields of measurement and radar, in particular, a TDC-based pulse carrier frequency detection device and method. Background technique [0002] The most basic three test quantities in the field of radio frequency microwave measurement technology are field distribution (standing wave), power and frequency, and other parameters can be derived from these three basic quantities through calculation, so the accurate measurement of signal power and frequency Technology has become a key link in communication measurement. [0003] The existing common frequency measurement methods are as follows: direct counting method frequency measurement, analog interpolation counter and equal precision frequency measurement method. The core part of these frequency measurement methods is a general-purpose counter that can count input signals or reference clocks based on logic devices, but limited by the operating frequency of the device,...

Claims

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Application Information

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IPC IPC(8): G01R23/02G01S7/41
CPCG01R23/02G01S7/41
Inventor 董万明刘志军刘兴勇
Owner 成都能通科技股份有限公司
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