Moments of the impulse response are widely used for interconnect delay analysis, from the explicit Elmore delay (the first moment of the impulse response) expression, to moment matching methods which creates reduced order trans-impedance and transfer function approximations. However, the Elmore delay is fast becoming ineffective for deep submicron technologies, and reduced order transfer functi...

We calculate the force operator for a charged particle in the field of an Aharonov-Bohm flux line. Formally this is the Lorentz force, with the magnetic field operator modified to include quantum corrections due to anomolous commutation relations. For stationary states, the magnitude of the force is proportional to the product of the wavenumber k with the amplitudes of the 'pinioned' components...

We calculate the force operator for a charged particle in the eld of an Aharonov-Bohm ux line. Formally this is the Lorentz force, with the magnetic eld operator modiied to include quantum corrections due to anomolous commutation relations. For stationary states, the magnitude of the force is proportional to the product of the wavenumber k with the amplitudes of thèpinioned' components, the two...

In this paper, we suggest a general model for the fixed-valued impulse noise and propose a two-stage method for high density noise suppression while preserving the image details. In the first stage, we apply an iterative impulse detector, exploiting the image entropy, to identify the corrupted pixels and then employ an Adaptive Iterative Mean filter to restore them. The filter is adaptive in te...

Active diffuse loudspeaker arrays can be implemented by incorporating a distribution of small radiating elements each characterized by processes that embed a unique diffuse impulse response. The properties of synthetic diffuse impulses are investigated both individually and collectively and algorithmic generation techniques presented. The diffuse properties of such synthetic arrays are confirme...

In this paper, we address the problem of designing time hopping codes for multiple access communication impulse radio systems. Time hopping techniques are first reviewed, and performance in terms of correlation properties and Power Spectral Density are given. A new family of time hopping codes is presented, and performance are derived. Finally, advantages and disadvantages of different time hop...

An impulse-based model is developed to represent a coupling between turbulent flow in the atmosphere and turbulent flow in the ocean. In particular, it is argued that the atmosphere flowing horizontally over the ocean surface generates a velocity fluctuation field in the latter’s near-surface flow. The mechanism for this can be understood kinematically in terms of an exchange of tangentially-or...

Fig. 1. Inter-chip wireless communication within computer chassis Impulse radio systems have received much attention as a possible architecture for UWB transceivers due to the large data bandwidth, low spectral interference with nearby channels, and simplicity of UWB transmitter/receiver architectures using mostly digital implementations. Due to the low emitted power spectral density of -41.3dB...

Here are the key ideas and results. • The output of linear time invariant system is the convolution of its impulse response and the input. The system is bounded iff its impulse response is summable. • The transfer function is the Fourier transform of the impulse response. • A system with rational transfer function is causal if the poles are inside the unit circle. It is causally invertible if t...

The X2 nested-channel Hall-effect thruster has been operated at constant discharge powers of 5 kW and 6 kW. Thrust measurements showed that improved performance over an extended range of specific impulse can be obtained by transitions between operating modes of the X2. The simultaneous operation of both channels provided the best performance at low specific impulse, where higher mass flow rates...