JPS573413A - Digital filter - Google Patents

Digital filter

Info

Publication number
JPS573413A
JPS573413A JP7649380A JP7649380A JPS573413A JP S573413 A JPS573413 A JP S573413A JP 7649380 A JP7649380 A JP 7649380A JP 7649380 A JP7649380 A JP 7649380A JP S573413 A JPS573413 A JP S573413A
Authority
JP
Japan
Prior art keywords
value
constant
value corresponding
sets
information
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP7649380A
Other languages
Japanese (ja)
Other versions
JPS6351412B2 (en
Inventor
Shigechika Kawarai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anritsu Corp
Original Assignee
Anritsu Corp
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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP7649380A priority Critical patent/JPS573413A/en
Publication of JPS573413A publication Critical patent/JPS573413A/en
Publication of JPS6351412B2 publication Critical patent/JPS6351412B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks

Abstract

PURPOSE:To enable filtering through the operation only with additions simple in the circuit constitution and control for a sample value of both positive and negative codes, by converting terms representing subtraction into a constant and storing the constant into a storage device and fetching it. CONSTITUTION:A binary code sample value Zi including both the polarities in N sets of M-bit is received and information Z0<j>-ZN-1<j> in N sample values in N-bit inverting the polarity bit are produced by M sets. Further, a strage MEM2 storing a value corresponding to 2N sets of function values f(j;Z0<j>-ZN-1<j>) possible for fetching with the address value by said information, and a value corresponding to a constant A is provided. Further, in obtaining SIGMAf, a value corresponding to the (f) is fetched from the storage device MEM2 by an address value by said information, and in obtaining the constant A, a value corresponding to the A by the specified address value or signal is fetched, and Y=A+SIGMAf is operated by an accumulator ACC2 for output.
JP7649380A 1980-06-06 1980-06-06 Digital filter Granted JPS573413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7649380A JPS573413A (en) 1980-06-06 1980-06-06 Digital filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7649380A JPS573413A (en) 1980-06-06 1980-06-06 Digital filter

Publications (2)

Publication Number Publication Date
JPS573413A true JPS573413A (en) 1982-01-08
JPS6351412B2 JPS6351412B2 (en) 1988-10-13

Family

ID=13606739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7649380A Granted JPS573413A (en) 1980-06-06 1980-06-06 Digital filter

Country Status (1)

Country Link
JP (1) JPS573413A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155034A (en) * 1976-06-18 1977-12-23 Nippon Telegr & Teleph Corp <Ntt> Digital filter
JPS5317242A (en) * 1976-08-02 1978-02-17 Rokuya Ishii Digital filter device
JPS5330972A (en) * 1976-09-03 1978-03-23 Mitsubishi Motors Corp Method of fabricating complex layer structural bodies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155034A (en) * 1976-06-18 1977-12-23 Nippon Telegr & Teleph Corp <Ntt> Digital filter
JPS5317242A (en) * 1976-08-02 1978-02-17 Rokuya Ishii Digital filter device
JPS5330972A (en) * 1976-09-03 1978-03-23 Mitsubishi Motors Corp Method of fabricating complex layer structural bodies

Also Published As

Publication number Publication date
JPS6351412B2 (en) 1988-10-13

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