Axel Clausen

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Modern life increasingly depends on faster Internet access for applications such as email, voice, information search, and a variety of social interconnections, while IPTV is increasing Internet video use. Growing wireless connectivity will substantially increase access bandwidth demand over the next decade. Figure 1 shows digital subscriber line (DSL)(More)
| The distribution of the M-channel generalized coherence estimate is shown not to depend on the statistical behavior of the data on one channel provided that the other M ? 1 channels contain only white gaussian noise and all channels are independent. This connrms a recently published conjecture and extends the utility of the GC estimate as a detection(More)
In this paper, a program to simulate discrete time linear systems is presented. The software is written as a Java 1 applet and can be accessed on the internet. Object oriented programming allows the user to construct and simulate a variety of systems. The program uses a graphical user interface which is easy to learn and it provides a visualization of the(More)
In this paper, we describe an internet-based signal processing laboratory that provides hands-on learning experiences in distributed learning environments. The laboratory is based on an object-oriented Java tool called Java Digital Signal Processing (JDSP). J-DSP has been developed at Arizona State University (ASU) and is being used for a virtual(More)
This paper considers a class of detection/localization problems in which the detector ooers multiple operating modes. The modes diier in their detection performance and geographical coverage: \focused" modes ooer higher detection performance but less coverage area than \broad search" modes. It is assumed that a signal source is to be detected and localized(More)
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