[PDF][PDF] Compact and Efficient Generation of Trigonometric Functions using a CORDIC algorithm

S Ginsberg - Cape Town, South Africa, 2002 - xiaolaba.wordpress.com
… If true floating-point operations are used then the shift operations must be modified to divide
… No_irq: ;This interrupt handler catches interrupts that happened when no ;interrupt should …

Barycentric formulas for interpolating trigonometric polynomials and their conjugates

P Henrici - Numerische Mathematik, 1979 - Springer
… Inasmuch as the evaluation of (*) requires a mere O(n) operations, our formulas are more …
Numerically, in order not to interrupt the flow of the program, it is recommended to replace …

[PDF][PDF] Cordic Algorithm Implementation for Trigonometric Function Evaluation in Hp21mx

PT Hu - 1978 - openresearch.okstate.edu
… two computing modes in Cordie for the trigonometric operations: … I/0 interrupt) in the interrupt
holder his set (line 27). The interrupt service ~equence is initiated if at least one interrupt is …

DSP-based control of grid-connected power converters operating under grid distortions

MP Kazmierkowski, M Jasinski… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Interrupt is called when the PWM counter is reset (Fig. 10). The PWM counter operate in
up-… tions was increased to 24, eg, trigonometric operations. Code based on the IQmath library …

A digital control strategy with simple transfer matrix for three-phase buck rectifier under unbalanced AC input conditions

Q Chen, J Xu, R Huang, W Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
… unbalance, interrupt 2 can be placed with lower priority and control frequency of interrupt 2
… it requires a lot of trigonometric operations and square-root operations, which is difficult to …

[PDF][PDF] MACSYMA usage at Langley

JDL Sandra - NASA contractor report NASA-CR, 1987 - Citeseer
… , logarithmic, trigonometric, and inverse trigonometric operations. … method (for example,
trigonometric substitution) can be used. … between two users continues until an interrupt is sent. …

An 8-Bit Scientific Calculator Based Intel 8086 Virtual Machine Emulator

QA Al-Haija, S Al-Abdulatif, M Al-Ghofaily - Procedia Computer Science, 2013 - Elsevier
… Several arithmetic and logic operations as well as trigonometric functions were implemented
in this paper. Also, a plot function and integration of function tools are to be implemented …

Real-time control in single-phase power inverters

K Górecki - IFAC-PapersOnLine, 2019 - Elsevier
… through a crossbar connection system and an interrupt triggering system. The set of central
… accelerate trigonometrical operations, fast Fourier transform (FFT) and many other operations

Extending MIPSfpga instruction set for navigation data processing

E Liventsev, A Silantiev, E Primakov… - 2017 IEEE Conference …, 2017 - ieeexplore.ieee.org
… besides calculation of trigonometric functions multiplication operation is excessively used. …
further we could calculate all three trigonometric functions pairs simultaneously. Unfortunately …

Arduino: A low-cost multipurpose lab equipment

A D'Ausilio - Behavior research methods, 2012 - Springer
… milliseconds, perform basic mathematical and trigonometry operations (min/max, absolute …
; Pins 2 and 3 can be configured to trigger an interrupt on a low value, a rising or falling edge, …