CA1035025A - Second difference function generator - Google Patents

Second difference function generator

Info

Publication number
CA1035025A
CA1035025A CA217,556A CA217556A CA1035025A CA 1035025 A CA1035025 A CA 1035025A CA 217556 A CA217556 A CA 217556A CA 1035025 A CA1035025 A CA 1035025A
Authority
CA
Canada
Prior art keywords
function generator
difference function
difference
generator
function
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.)
Expired
Application number
CA217,556A
Other languages
English (en)
French (fr)
Other versions
CA217556S (en
Inventor
Gerald P. Richards
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Priority to CA301,424A priority Critical patent/CA1046614A/en
Application granted granted Critical
Publication of CA1035025A publication Critical patent/CA1035025A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G06F7/548—Trigonometric functions; Co-ordinate transformations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA217,556A 1974-02-25 1975-01-08 Second difference function generator Expired CA1035025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA301,424A CA1046614A (en) 1974-02-25 1978-04-19 Radar and display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44517974A 1974-02-25 1974-02-25

Publications (1)

Publication Number Publication Date
CA1035025A true CA1035025A (en) 1978-07-18

Family

ID=23767892

Family Applications (1)

Application Number Title Priority Date Filing Date
CA217,556A Expired CA1035025A (en) 1974-02-25 1975-01-08 Second difference function generator

Country Status (5)

Country Link
JP (1) JPS5524137B2 (US06168776-20010102-C00041.png)
CA (1) CA1035025A (US06168776-20010102-C00041.png)
DE (1) DE2508131A1 (US06168776-20010102-C00041.png)
GB (1) GB1486138A (US06168776-20010102-C00041.png)
IT (1) IT1026445B (US06168776-20010102-C00041.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159139A (en) * 1978-06-05 1979-12-15 Arekuseeeuna Zoorina Nadezuda Digital computer
US4241412A (en) * 1979-03-16 1980-12-23 Diasonics, Inc. Polar to cartesian mapping apparatus and method

Also Published As

Publication number Publication date
AU7743775A (en) 1976-07-22
JPS50116295A (US06168776-20010102-C00041.png) 1975-09-11
JPS5524137B2 (US06168776-20010102-C00041.png) 1980-06-27
GB1486138A (en) 1977-09-21
IT1026445B (it) 1978-09-20
DE2508131A1 (de) 1975-08-28

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