JPH0241515U - - Google Patents
Info
- Publication number
- JPH0241515U JPH0241515U JP11972588U JP11972588U JPH0241515U JP H0241515 U JPH0241515 U JP H0241515U JP 11972588 U JP11972588 U JP 11972588U JP 11972588 U JP11972588 U JP 11972588U JP H0241515 U JPH0241515 U JP H0241515U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- output
- performs
- time series
- series data
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 1
Landscapes
- Complex Calculations (AREA)
Description
第１図は本考案に係るデジタルフイルタの一実
施例を示すブロツク図、第２図はその動作を説明
する為の図、第３図及び第４図は第１、第２のフ
イルタ部の一構成を示すブロツク図、第５図は本
考案の他の実施例を示すブロツク図、第６図はベ
ースバンドと周波数シフト方式の帯域を示す図、
第７図はデジタルフイルタの基本構成図である。
１０……第１のフイルタ部、１１，２４……第
２のフイルタ部、１２……ＦＦＴ演算部、２３，
２５……マルチプレクサ。
FIG. 1 is a block diagram showing one embodiment of the digital filter according to the present invention, FIG. 2 is a diagram for explaining its operation, and FIGS. 3 and 4 are diagrams showing the first and second filter parts. FIG. 5 is a block diagram showing another embodiment of the present invention; FIG. 6 is a diagram showing the baseband and frequency shift method bands;
FIG. 7 is a basic configuration diagram of a digital filter. 10...First filter unit, 11, 24...Second filter unit, 12...FFT calculation unit, 23,
25...Multiplexer.
Claims (1)
らの時系列データをフイルタ演算した後２の間引
きを行う比較的緩やかなフイルタ特性を有する第
１のフイルタ部と、この第１のフイルタ部の出力
が入力され、この出力をフイルタ演算した後２ま
たは２ｎの間引きを行う第２のフイルタ部とを有
することを特徴とするデジタルフイルタ。 A first filter section that receives the real part and imaginary part of time series data, performs a filter operation on these time series data, and then thins out the data by two. 1. A digital filter comprising: a second filter section into which an output is input, performs a filter operation on the output, and then thins out the output by 2 or 2 n .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11972588U JPH0241515U (en) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11972588U JPH0241515U (en) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241515U true JPH0241515U (en) | 1990-03-22 |
Family
ID=31365208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11972588U Pending JPH0241515U (en) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241515U (en) |
-
1988
- 1988-09-12 JP JP11972588U patent/JPH0241515U/ja active Pending
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