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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Probes >
   Cumulative Distribution Function Probe (CDFP)       

Cumulative Distribution Function Probe (CDFP)

 

 


Property

Description

Units

Default

Range

Name

Probe name

None

Required

String

nbin

Number of histogram bins

None

64

[1, Inf)/Integer

nsamp

Number of samples used for histogram

None

1024

[1, Inf)/Integer

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)

 

Notes

1. The Cumulative Distribution Function (CDF) probe is similar to the Histogram probe. After determining the histogram function, it is normalized by the total number of samples. After the normalization is performed, a running sum is created to build the CDF.

2. The maximum and minimum values for the input signal waveform are determined for histo­gram bin calculations. The histogram bins exist at intervals of dx = (Max_Input - Min_Input) / nbin. The bin centers are located at x[n] = (n + 0.5)*dx + Min_Input.

3. The total number of input samples per bin are determined and displayed versus the x-axis. If the user specifies a nsamp value larger than the total number received from the source, the actual number of samples received will be used for the histogram calculation.

Netlist Form

CDFP:NAME n1 nbin=val nsamp=val [Initsamp=val] [Rin=val]

Netlist Example

CDFP:1 1 nbin=64 nsamp=65536



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