(New Book+CD edition,
"Microwave System Design Tools and EW Applications - Second Edition"
now available with
new and updated applets.)
(Some sample applet links in Table)
COMPONENTS |
Calculates the overall noise figure for up to four amplifying or attenuating components in cascade. |
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Converts between dBmi and dBW/m2 receiver system sensitivity definitions. |
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Accurate VSWR of two transmission-line components in cascade separated by a variable attenuator, and adjustable source and load VSWR. |
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Design and tolerances of a parabolic dish antenna. Gain, feed illumination, F/D ratio, and defocusing. |
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Design of a fifth-order line and stub lowpass microwave filter. Butterworth and Chebychev responses and tolerances to line impedance and insertion loss. |
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Limiting Amplifier Operation Demonstrates how a limiting amplifier affects signal, noise and signal-to-noise ratio in and through the limiting region. |
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Signal+Noise Vector Limiting Simulation Vector simulation using the frequency component representation of the limiting process. |
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Effect of amplifier compression slope and signal level on the generation of intermodulation components up to the seventh-order. |
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Compression Amplifier Design Design equations for logarithmic or power law, limiting-summation amplifiers. |
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Mixer Spurii Spurii generation up to the seventh-order in single diode, balanced and doubly balanced mixer types as a function of LO and signal drive levels. |
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RECEIVERS |
Receiver Sensitivity Sensitivity and SNR performance of eight types of common microwave receivers. |
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Wideband DV SNR Signal-to-noise ratio across the operating band with adjustable gain and noise figure variations. |
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RF Amplifier DLVA Cascading RF amplification and cascaded detector log-video amplifier output combining. |
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Digital FFT Receiver Performance Digital FFT receiver design: effect of window functions, pulse width, rise-time, relative delay, frequency offset, number of bits, ADC linearity, and clock jitter. |
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Compressive Receiver Performance Compressive receiver design and performance: effect of pulse width, relative delay and rise-time, RF offset, and DDL parameters on compression gain. |
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Threshold Triggering Probability Pulse triggering probability around threshold, for a variety of receiver types and designs. |
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Video Noise Rate Statistics Zero crossing rate and positive peak occurrence rate for various video band shapes and shape orders. |
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Signal Detection Probability Basic probability distribution of signal + Gaussian noise and threshold triggering probability. |
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Pulse Thresholding Oscilloscope-type representation of pulse triggering and hysteresis threshold fallback probability along a pulse, for a variety of receiver types. |
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Video-OR Threshold Triggering and signal-to-noise performance of the video-OR circuit used to trigger from the largest of multiple receiver channels with dominant signals in one or two channels. |
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Vector Thresholding Various vector receiver thresholding algorithms are compared. Performance as a function of threshold and signal signal-to-noise ratio. |
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Multisample Noncoherent Integration Optimising noncoherent integration SNR improvement using multiple samples along a video pulse for various video band shapes. |
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Pulse Filtering Distortion Effects of RF filter bandwidth, pulse width, and offsets on the transmitted pulse shape. |
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EW SYSTEMS |
IFM and Interferometer Design Detection and ambiguity probability of a pair of RF limited, IFM discriminators or interferometer baselines and design tolerances. |
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Circular Matrix DF Array Design tolerances of the phase modes generated by an N-port Butler matrix feeding an N-element circular DF array. |
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Deambiguity Design Deambiguity margin design of a four-discriminator phase encoding system for IFM and multibaseline interferometer DF systems. |
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Amplitude Comparison DF Amplitude comparison DF system design and evaluation of three common algorithms. DF error analysis for various real antenna patterns including those input by the user. |
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Amplitude Comparison Resolving Interferometer Ambiguities Ambiguity tolerance using amplitude comparison DF system to resolve shortest baseline ambiguities of an interferometer DF system. |
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FIELD PERFORMANCE |
Power density and power received by a defined antenna in the near field of a large aperture antenna. The receive antenna can be positioned off-axis. |
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Antenna Polarisation Coupling Power coupling loss and polarisation characteristics of a pair of arbitrarily polarised antennas. |
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Far-field received power levels from a transmitter over sea paths. |
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Radar Detection Range Far-field received power levels from a radar target over sea paths. |
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Bistatic Reflections Contours of constant time delay and reflected signal for separated transmitter and receiver with the same visible target. |
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ESM Clutter Modelling Received power time response from a complex modulated pulsed radar when both radar and receiver are immersed in a cluttered or littoral environment. |
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Passive Location Accuracy comparison of DF and TOA location systems having random errors. |
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ESM Sensitivity Advantage Sensitivity and range advantage probability of an ESM system located on a known RCS platform. |
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Jammer Protection Protection regions for jammers operating in self-defence or area defence modes. |
Links:
Contact email: pw1@y1pwe.co.uk
My ISP: PlusNet
Artech House Website: Artech House, Inc
Recommended RF Systems and Architecture Consultancy: RFSA Consulting