Detection of amplitude modulation and discrimination of interaural differences in modulation phase for high‐frequency carriers

2001 ◽  
Vol 109 (5) ◽  
pp. 2485-2485 ◽  
Author(s):  
Mark A. Stellmack ◽  
Neal F. Viemeister
Keyword(s):  
Amplitude Modulation ◽  
High Frequency ◽  
Interaural Differences ◽  
Modulation Phase

The Response of Nonlinear Systems to Modulated High-Frequency Input

1993 ◽  
Author(s):  
S. A. Nayfeh ◽  
A. H. Nayfeh
Keyword(s):  
Nonlinear Systems ◽  
Natural Frequency ◽  
Amplitude Modulation ◽  
Carrier Frequency ◽  
High Frequency ◽  
Degree Of Freedom ◽  
Resonant Excitation ◽  
Single Degree Of Freedom ◽  
Single Degree ◽  
Different Types

Abstract We study the response of a single-degree-of-freedom system with cubic nonlinearities to an amplitude-modulated excitation whose carrier frequency is much higher than the natural frequency of the system. The only restriction on the amplitude modulation is that it contain frequencies much lower than the carrier frequency of the excitation. We apply the theory to different types of amplitude modulation and find that resonant excitation of the system may occur under some conditions.

A role for amplitude modulation phase relationships in speech rhythm perception

2014 ◽  
Vol 136 (1) ◽  
pp. 366-381 ◽  
Author(s):  
Victoria Leong ◽  
Michael A. Stone ◽  
Richard E. Turner ◽  
Usha Goswami
Keyword(s):  
Amplitude Modulation ◽  
Rhythm Perception ◽  
Speech Rhythm ◽  
Phase Relationships ◽  
Modulation Phase

Amplitude Shift Keyed Radio Communications for Hostile Environments

2010 ◽  
Vol 645-648 ◽  
pp. 953-956 ◽  
Author(s):  
Daniel Brennan ◽  
Bing Miao ◽  
Konstantin Vassilevski ◽  
Nicolas G. Wright ◽  
Alton B. Horsfall
Keyword(s):  
Wireless Networks ◽  
High Temperature ◽  
Amplitude Modulation ◽  
High Frequency ◽  
Communication Systems ◽  
Transmission System ◽  
Sensor Data ◽  
Radio Communications ◽  
Mobile Telephones ◽  
Hostile Environments

This work presents the amplitude modulation radio transmission system for communications in hostile environments. The commissioning of a high temperature oscillator and AM mixer system for the purpose of Amplitude Shift Keyed modulation is presented. While previous work has demonstrated oscillators in the Ultra High Frequency (UHF) band, these have been targeted at applications such as radar and mobile telephones. In this paper we have concentrated on the shortwave bands to maximize the range between a sensor unit and the receiver within wireless networks. The work demonstrates that simple communication systems are already possible for hostile environments and allow for simple sensor data to be wirelessly transmitted to safer working areas.

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