189020 ⎘
Details not covered by groups - and; Digital function generators working, at least partly, by table look-up; Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
IQ to phase conversion method and apparatus
#2Data processing apparatus and method for reducing the size of a lookup table
#3High accuracy sin-cos wave and frequency generators, and related systems and methods
#4System and method of operating a computing device to perform memoization including transforming input/output parameters to reduce redundancies and efficiently cache data
#5Efficient function generator using case detection and output selection
#6Digital Signal Processing Systems
#7Function Generator
#8Apparatus and program for arctangent calculation
#9Sine/cosine value generation apparatus
#10NUMERICALLY-CONTROLLED OSCILLATOR CAPABLE OF GENERATING COSINE SIGNAL AND SINE SIGNAL ONLY USING COSINE LOOK UP TABLE AND OPERATING METHOD OF THE NUMERICALLY-CONTROLLED OSCILLATOR
#11Direct digital frequency synthesizer with phase error correction, method therefor, and receiver using same
#12Sine wave generator with dual port look-up table
#13Modulation device using frequency-shift keying
#14Determining a table output of a table representing a hierarchical tree for an integer valued function
#15Method for composing lookup table and searching index thereof
#16Automatic frequency control for a wireless communication system with multiple subcarriers
#17Method and apparatus for improved direct digital frequency synthesizer
#18Numerically controlled oscillator and method of operation