KR960009545B1 - Method for decimating signal - Google Patents

Method for decimating signal Download PDF

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Publication number
KR960009545B1
KR960009545B1 KR93029401A KR930029401A KR960009545B1 KR 960009545 B1 KR960009545 B1 KR 960009545B1 KR 93029401 A KR93029401 A KR 93029401A KR 930029401 A KR930029401 A KR 930029401A KR 960009545 B1 KR960009545 B1 KR 960009545B1
Authority
KR
South Korea
Prior art keywords
signal
frequency
decimating
voice band
band signal
Prior art date
Application number
KR93029401A
Other languages
Korean (ko)
Other versions
KR950022509A (en
Inventor
Kyung-Min Ha
Dong-Sik Ahn
Young-Kwon Ham
Hyuk-Jae Lee
Original Assignee
Kora Electronics & Telecommuni
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kora Electronics & Telecommuni filed Critical Kora Electronics & Telecommuni
Priority to KR93029401A priority Critical patent/KR960009545B1/en
Publication of KR950022509A publication Critical patent/KR950022509A/en
Application granted granted Critical
Publication of KR960009545B1 publication Critical patent/KR960009545B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0021—Decimation, i.e. data rate reduction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

transforming a complex frequency when a signal frequency is 1/4 of a reference frequency(31); filtering by using a 4 dimensional MA(Moving Average) filter(32); and decimating a filtered signal with a ratio of 4 to 1; thereby simplifying calculation(33) Signal from an antenna(11) is CW demodulated by a receiver(12) to be converted into a voice band signal. The method covert the voice band signal into digital signal and process with a personal computer(14).
KR93029401A 1993-12-23 1993-12-23 Method for decimating signal KR960009545B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR93029401A KR960009545B1 (en) 1993-12-23 1993-12-23 Method for decimating signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93029401A KR960009545B1 (en) 1993-12-23 1993-12-23 Method for decimating signal

Publications (2)

Publication Number Publication Date
KR950022509A KR950022509A (en) 1995-07-28
KR960009545B1 true KR960009545B1 (en) 1996-07-20

Family

ID=19372457

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93029401A KR960009545B1 (en) 1993-12-23 1993-12-23 Method for decimating signal

Country Status (1)

Country Link
KR (1) KR960009545B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100772847B1 (en) * 1999-05-11 2007-11-02 코닌클리케 필립스 일렉트로닉스 엔.브이. Transmission system, and receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100772847B1 (en) * 1999-05-11 2007-11-02 코닌클리케 필립스 일렉트로닉스 엔.브이. Transmission system, and receiver

Also Published As

Publication number Publication date
KR950022509A (en) 1995-07-28

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