Digital Demod:Pulse Shaping Filter:Type Property

RFmx Demod 19.1 Help

Edition Date: October 2019

Part Number: 374641M-01

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Short Name: DDemod Pulse Shaping Filter Type

Property of RFmxDemod

Specifies the pulse-shaping filter used to transmit the signal. This property determines the measurement filter to be used for analysis when you set the DDemod Meas Filter Type property to Auto.

You do not need to use a selector string to configure or read this property for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals.

The default value is Root Raised Cosine.

Rectangular (0)

The transmitted waveform is filtered using a rectangular filter.

Raised Cosine (1)

The transmitted waveform is filtered using a raised cosine filter. Specify the filter Alpha in the DDemod Pulse Shaping Filter Parameter property.

Root Raised Cosine (2)

The transmitted waveform is filtered using a root raised cosine filter. Specify the filter Alpha in the DDemod Pulse Shaping Filter Parameter property.

Gaussian (3)

The transmitted waveform is filtered using a Gaussian filter. Specify the filter bandwidth * sample duration in the DDemod Pulse Shaping Filter Parameter property. This filter is applicable only to FSK and MSK modulation types.

Custom (4)

The transmitted waveform is filtered using the coefficients that you specify in the RFmxDemod DDemod Configure Pulse Shaping Filter Custom Coefficients VI.

Half Sine (5)

The transmitted waveform is filtered using a half sine filter.

Linearized GMSK - EDGE (6)

The transmitted waveform is filtered using an EDGE-specific linearized GMSK filter.

Remarks

The following table lists the characteristics of this property.

Datatype /images/reference/en-XX/help/374641M-01/ci32.gif
PermissionsRead/Write
High-level VIs RFmxDemod DDemod Configure Pulse Shaping Filter
ResettableYes

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