6 List Sequence Measurements
List Sequence Measurements
Equation 6
Standard Deviation of Data Point Values for Specified Region(s)
where Xi is a data point value, X is the arithmetic mean of the data point values for the specified region
(s), and n is the number of data points in the specified region(s).
where |Xi| is the magnitude of an I/Q pair, X is the mean of the magnitudes for the specified region(s), and
n is the number of data points in the specified region(s).
•
PPHase - returns the x,y pairs of both rms power (dBm) and arithmetic mean phase (radian) for every
specified region and frequency offset (Hz). The number of pairs is defined by the specified number of
regions. This parameter can be used for I/Q vector (n=0) in Waveform (time domain) measurement and
all parameters are specified by data point in PPHase.
The rms power of the specified region may be expressed as:
Power = 10 x log [10 x (RMS I/Q value)] + 10.
The RMS I/Q value (peak volts) is:
where Xi is the complex value representation of an I/Q pair, Xi* its conjugate complex number, and n is
the number of I/Q pairs in the specified region.
The arithmetic mean phase of the specified region may be expressed as:
where Yi is the unwrapped phase of I/Q pair with applying frequency correction and n is the number of
I/Q pairs in the specified region.
The frequency correction is made by the frequency offset calculated by the arithmetic mean of every
specified region’s frequency offset. Each frequency offset is calculated by the least square method
against the unwrapped phase of I/Q pair.
Sample Trace Data - Constant Envelope
276
Sequence Analyzer User's & Programmer's Reference
Содержание E6650A EXF
Страница 34: ...1 About the Test Set Mouse and Keyboard Control 34 Sequence Analyzer User s Programmer s Reference...
Страница 94: ...2 Programming the Test Set Common Commands 94 Sequence Analyzer User s Programmer s Reference...
Страница 129: ...4 Mode Functions Undefined variable Primary ProductName Sequence Analyzer User s Programmer s Reference 129...
Страница 145: ...5 System Functions Undefined variable Primary ProductName Sequence Analyzer User s Programmer s Reference 145...
Страница 206: ...5 System Functions System 206 Sequence Analyzer User s Programmer s Reference...
Страница 214: ...6 List Sequence Measurements File File See File on page 146 214 Sequence Analyzer User s Programmer s Reference...
Страница 474: ...6 List Sequence Measurements Mode Mode See Mode on page 130 474 Sequence Analyzer User s Programmer s Reference...
Страница 478: ...6 List Sequence Measurements Print Print See Print on page 151 478 Sequence Analyzer User s Programmer s Reference...
Страница 642: ...6 List Sequence Measurements System System See System on page 152 642 Sequence Analyzer User s Programmer s Reference...