Search Results - "Muha, M. S."

Validation of power amplifier nonlinear block models by Muha, M.S., Clark, C.J., Moulthrop, A.A., Silva, C.P.

“…This paper presents a method of assessing the fidelity of nonlinear amplifier models for communications applications. The simulation predictions for BPSK and…”
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Optimal-filter approach for nonlinear power amplifier modeling and equalization by Silva, C.P., Clark, C.J., Moulthrop, A.A., Muha, M.S.

“…This paper presents an optimal-filter method for application to the equalization and modeling of nonlinear power amplifiers. The method uses auto-spectral and…”
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Time-domain envelope measurement technique with application to wideband power amplifier modeling by Clark, C.J., Chrisikos, G., Muha, M.S., Moulthrop, A.A., Silva, C.P.

“…This paper presents a new time-domain measurement technique for repetitive microwave signals that is applied to modeling wideband power amplifiers. The…”
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Power-amplifier characterization using a two-tone measurement technique by Clark, C.J., Silva, C.P., Moulthrop, A.A., Muha, M.S.

“…An accurate nonlinear model is necessary to optimize the tradeoff between efficiency and linearity in power amplifiers. Gain compression (AM/AM) and…”
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Acoustic microscopy at 15.3 GHz in pressurized superfluid helium by MUHA, M. S, MOULTHROP, A. A, KOZLOWSKI, G. C, HADIMIOGLU, B

“…An acoustic microscope operating at 15.3 GHz and using superfluid 4He as the coupling medium has been developed. The helium is colder than 0.9 K to achieve low…”
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Accurate measurement of signals close to the noise floor on a spectrum analyzer by Moulthrop, A.A., Muha, M.S.

“…Because most spectrum analyzers are calibrated to read the true power of a sinusoidal signal, a correction factor is necessary to read the true power of a…”
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On the frequency response symmetry of diode mixers by Moulthrop, A.A., Muha, M.S., Silva, C.P.

“…A mixing process is symmetrical when the conversion loss and group delay are equal between a downconversion and the corresponding upconversion. It is shown…”
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Acoustic microscopy and nonlinear effects in pressurized superfluid helium by Moulthrop, A.A., Muha, M.S., Hadimioglu, B., Silva, C.P., Kozlowski, G.C.

“…The operation of an acoustic microscope having a resolution of 15 mm has been demonstrated. It uses as a coupling medium superfluid /sup 4/He colder than 0.9 K…”
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Measurement accuracy enhancements for wideband modulated signals by Moulthrop, A. A., Muha, M. S.

“…Time‐domain waveform measurements of wideband modulated signals, although attractive for communication systems modeling applications, have until now lacked the…”
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Transmission response measurements of frequency-translating devices using a vector network analyzer by Clark, C.J., Moulthrop, A.A., Muha, M.S., Silva, C.P.

“…A new method for accurately determining the transmission response of frequency-translating devices (FTDs) is presented. The absolute amplitude and phase of the…”
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Imaging antenna arrays by Rutledge, D., Muha, M.

“…Many millimeter and far-infrared imaging systems are limited in sensitivity and speed because they depend on a single scanned element. Because of recent…”
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Transmission response measurements of frequency translating devices by Clark, C.J., Moulthrop, A.A., Muha, M.S., Silva, C.P.

“…This paper presents two methods for accurately determining the transmission response of frequency translating devices: an inferred response technique using a…”
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Far-infrared imaging antenna arrays by Neikirk, Dean P., Rutledge, David B., Muha, Michael S., Park, Hyeon, Yu, Chang-Xuan

“…A far-infrared imaging antenna array has been demonstrated for the first time. The array is a line of evaporated silver bow-tie antennas on a fused-quartz…”
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A dynamic AM/AM and AM/PM measurement technique by Moulthrop, A.A., Clark, C.J., Silva, C.P., Muha, M.S.

“…The AM/AM and AM/PM characteristics of a power amplifier are typically measured in a static manner using a CW signal. For communications signals, the amplitude…”
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A new time-domain measurement technique for microwave devices by Moulthrop, A.A., Muha, M.S., Silva, C.P., Clark, C.J.

“…A new time-domain measurement technique for repetitive microwave signals is described. The microwave signal is converted to baseband before measurement,…”
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A nonlinear ARMA model for simulating power amplifiers by Chrisikos, G., Clark, C.J., Moulthrop, A.A., Muha, M.S., Silva, C.P.

“…This paper presents an improved model for wideband simulation of nonlinear power amplifiers. The commonly used memoryless envelope model is limited to use on…”
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Nonlinear Noise Measurement on a High Power Amplifier by Muha, M. S., Moulthrop, A. A., Silva, C. P.

“…The common measurements of noise in a communications channel, such as noise figure, are linear measurements. Yet many communications channels are nonlinear…”
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Polyspectral techniques for nonlinear system modeling and distortion compensation by Silva, C.P., Moulthrop, A.A., Muha, M.S.

“…The major approach used to address the power issue in communication equipment is to nonlinearly operate transmitter and transponder high-power amplifiers…”
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Application of polyspectral techniques to nonlinear modeling and compensation by Silva, C.P., Moulthrop, A.A., Muha, M.S., Clark, C.J.

“…This paper introduces polyspectral techniques to the microwave community by describing their application to nonlinear component and system modeling, as well as…”
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Transmission Response Measurements of Frequency Translating Devices by Clark, C. J., Moulthrop, A. A., Muha, M. S., Silva, C. P.

“…This paper presents two methods for accurately determining the transmission response of frequency translating devices: an inferred response technique using a…”
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