JP2001508264A - 正弦・余弦振動を作るための方法および回路装置 - Google Patents
正弦・余弦振動を作るための方法および回路装置Info
- Publication number
- JP2001508264A JP2001508264A JP53349898A JP53349898A JP2001508264A JP 2001508264 A JP2001508264 A JP 2001508264A JP 53349898 A JP53349898 A JP 53349898A JP 53349898 A JP53349898 A JP 53349898A JP 2001508264 A JP2001508264 A JP 2001508264A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- sine
- vibration
- cosine
- chebyshev
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Power Engineering (AREA)
- Pure & Applied Mathematics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Integrated Circuits (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.電気的回路によって正弦・余弦振動を作るための方法であって、 三角振動が、チェビシェフの多項式Tn(x)を実現するため、ないしは実行 するためのプログラム可能な、または固定プログラムになっている回路モジュー ルの入力部に与えられ、 チェビシェフの多項式によって回路モジュールにおいて正弦・余弦振動が生 成され、 数値nの大きさに応じて、回路モジュールの出力側で一定の周波数の正弦・ 余弦振動を、入力側の三角振動に依存して、使用できるようになることを特徴と する方法。 2.三角振動の振幅は、a=sin(π/2n)(ただし、π=3.141. ...)であり、 正弦・余弦振動はnの数値の関数として回路モジュールの出力部にて入手可 能であることを特徴とする、請求項1に記載の方法。 3.チェビシェフ多項式Tn(x)を実現するための回路モジュールは、半導 体チップとして作られており、その入力導線には、正弦・余弦振動生成のために 三角振動などの振動が入手可能であり、その出力部では生成された正弦・余弦振 動を使用できることを特徴とする、請求項1および請求項2に記載の方法を実行 するための回路装置。 4.チェビシェフ多項式Tn(x)を実現するための回路モジュールが、プロ グラム可能なメモリーチップとして作られていることを特徴とする、請求項1お よび請求項2に記載の方法を実行するための回路装置。 5.回路モジュールがデジタルまたはアナログの半導体チップとして作られて おり、相互接続が可能であるように、ないし、共に切り替わるように具体化され ていることを特徴とする、請求項1および請求項2に記載の方法を実行するため の回路装置。 6.回路モジュールが集積された半導体チップ、または集積された回路として 具体化されていることを特徴とする、請求項3から請求項5の何れか1項に記載 の回路装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19701068.7 | 1997-01-15 | ||
DE19701068A DE19701068A1 (de) | 1997-01-15 | 1997-01-15 | Verfahren und Schaltungsanordnung zur Erzeugung von Sinus-/Cosinusschwingungen |
PCT/DE1997/002922 WO1998032219A1 (de) | 1997-01-15 | 1997-12-17 | Verfahren und schaltungsanordnung zur erzeugung von sinus-/cosinusschwingungen |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001508264A true JP2001508264A (ja) | 2001-06-19 |
JP2001508264A5 JP2001508264A5 (ja) | 2005-07-14 |
Family
ID=7817381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53349898A Ceased JP2001508264A (ja) | 1997-01-15 | 1997-12-17 | 正弦・余弦振動を作るための方法および回路装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6446244B1 (ja) |
EP (1) | EP0951750B1 (ja) |
JP (1) | JP2001508264A (ja) |
AT (1) | ATE207672T1 (ja) |
DE (2) | DE19701068A1 (ja) |
WO (1) | WO1998032219A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3852746B2 (ja) * | 2001-03-08 | 2006-12-06 | インターナショナル・ビジネス・マシーンズ・コーポレーション | データ補正装置及びデータ補正方法 |
DE10129628A1 (de) * | 2001-06-20 | 2003-01-02 | Juergen Kaesser | Verfahren und Schaltung zur Erzeugung von sinusartigen Signalen und Taktsignalen für Frequenzen eines Rasters und ihre Anwendung in Funkgeräten |
US7072925B2 (en) * | 2003-01-21 | 2006-07-04 | Analog Devices, Inc. | Generator structures and methods that provide low-harmonic curvilinear waveforms |
JP2010073137A (ja) * | 2008-09-22 | 2010-04-02 | Nec Electronics Corp | 半導体集積回路設計方法及び設計プログラム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688098A (en) * | 1971-01-21 | 1972-08-29 | Singer General Precision | Sine-cosine function generator using a power series |
DE3303133A1 (de) * | 1983-01-31 | 1984-08-02 | Siemens AG, 1000 Berlin und 8000 München | Generator zur erzeugung einer sinusfoermigen spannung mit einer unter zwei festwerten waehlbaren frequenz |
US4672568A (en) * | 1984-06-15 | 1987-06-09 | Advanced Micro Devices, Inc. | Method for digital voltage controlled oscillator |
US4893316A (en) * | 1985-04-04 | 1990-01-09 | Motorola, Inc. | Digital radio frequency receiver |
JPH02253704A (ja) * | 1989-03-28 | 1990-10-12 | Inter Nitsukusu Kk | 正弦波発生器 |
JPH03220907A (ja) * | 1990-01-26 | 1991-09-30 | Inter Nitsukusu Kk | 正弦波発生器 |
US5361036A (en) * | 1993-08-12 | 1994-11-01 | Rockwell International Corporation | Complex digital demodulator employing Chebychev-approximation derived synthetic sinusoid generation |
-
1997
- 1997-01-15 DE DE19701068A patent/DE19701068A1/de not_active Ceased
- 1997-12-17 AT AT97953628T patent/ATE207672T1/de not_active IP Right Cessation
- 1997-12-17 EP EP97953628A patent/EP0951750B1/de not_active Expired - Lifetime
- 1997-12-17 JP JP53349898A patent/JP2001508264A/ja not_active Ceased
- 1997-12-17 DE DE59705113T patent/DE59705113D1/de not_active Expired - Lifetime
- 1997-12-17 US US09/341,887 patent/US6446244B1/en not_active Expired - Lifetime
- 1997-12-17 WO PCT/DE1997/002922 patent/WO1998032219A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE59705113D1 (de) | 2001-11-29 |
DE19701068A1 (de) | 1998-07-16 |
EP0951750B1 (de) | 2001-10-24 |
ATE207672T1 (de) | 2001-11-15 |
WO1998032219A1 (de) | 1998-07-23 |
US6446244B1 (en) | 2002-09-03 |
EP0951750A1 (de) | 1999-10-27 |
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