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Ansoft Designer / Ansys Designer 在线帮助文档:
System Simulator >
Discrete Time Analysis > Functions
Functions
A variety of functions are available to operate on real
and complex arguments. The arguments are indicated in parentheses and
are separated by commas. The arguments are specified by r
for a real argument and z for a complex argument. The
return type is indicated by the first word of the description. If the
return type depends on the argument, then it is listed as Argument.
Complex
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Mag(z)
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Real, Magnitude
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Real(z),
Imag(z)
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Real, Real component, Imaginary
component
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Ang(z),
Ang_Rad(z)
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Real, Angle in degrees, radians
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Log
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dB(r)
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Real, Converts the quantity to
dB based on the unit. If the argument is V, S, etc., then 20*Log10(r)
is used. If the argument is a power unit such as NF, then 10*Log10(r)
is used. If the unit of the argument is not known, 20*Log10(r) is used.
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dBm(r)
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Real, 10*Log10(1000*r),
Logarithm of ratio of power to 1 mWatt
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dBW(r)
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Real, 10*Log10(r), Logarithm
of ratio of power to 1 Watt
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Exp(r)
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Real, Exponential
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Ln(r),
Log10(r)
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Real, Logarithm Base e, 10
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Trig
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Cos(r),
sin(r), tan(r)
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Real, Trigonometric functions
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Acos(r),
asin(r), atan(r)
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Real, Inverse trigonometric functions
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Cosh(r),
sinh(r), tanh(r)
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Real, Hyperbolic function
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Acosh(r),
asinh(r), atanh(r)
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Real, Inverse hyperbolic functions
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Special
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jo(r),
j1(r)
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Real, Bessel functions of 0th
and 1st order
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yo(r),
y1(r)
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Real, Modified Bessel functions
of 0th and 1st order
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Misc
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Abs(r)
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Real, Absolute value
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Sqrt(r)
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Real, Square root
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Sgn(r)
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Real, Signum (-1 for r<0, 0
for r=0, 1 for r>0)
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Sgn(r1,r2)
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Real, (abs(r1) for r2>=0, -abs(r1)
for r2<0)
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Rem(r,r)
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Real, Remainder
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Int(r)
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Real, truncated integer value
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Indices
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string, mixer spurs indices for
table reports only.
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