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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Probes >
Signal Probe (SP)

Signal Probe (SP)

Properties	Description	Units	Default	Range/Type
Name	Probe name	None	Required	String
INITSAMP	Number of initial samples removed from waveform	None	0	[0, Inf)/Integer
RIN	Input impedance	Ohm	Inf	(0, Inf]/Real
Ports
Input	Input signal (real, complex)

Notes

1. This probe yields the voltage of the input signal V_in(t). This voltage signal may be viewed in the time or spectral domain.

2. For baseband signals (i.e., zero carrier frequency), this probe yields the input voltage signal in the time domain and its spectrum in the frequency domain.

The baseband frequency domain response Vin(f) is computed at a set of discrete frequency points according to:

where:
k = 0, 1, 2, . . . N-1
t_s = Input signal time step
N = The next power of 2 larger than the total number of samples available at the input port, and

3. For passband input signals of the form , this probe will

yield the complex input voltage in the time domain and its spectrum in the frequency domain.

4. The passband frequency domain response V_in(f) is computed at a set of discrete frequency points according to:

where:
k = 0, 1, 2, . . . N-1
t_s = Input complex envelope time step
N = The next power of 2 larger than the total number of samples available at the input port.
df = 1/Nt_s

Netlist Form

SP:Name n1 [Initsamp=val] [Rin=val]

Netlist Example

SP:My_sp 1

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