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The paper presents an embedded system, designed for audio signal processing. It consists of a microphone array, the signal conditioning circuits, the AD converter, 2 DSP modules and the communication circuits, placed on a single board (excepting the microphone array). Up to 8 microphones receive the audio signals, which are recorded and processed, in order to provide information about the audio sources...
To meet the complex requirements of the miniature embedded integrated (INS/GPS) navigation system based on DSP, all peripheral circuits were integrated in single chip of FPGA, such as logic control module, serial/parallel data conversion and FIFO(First In First Out), etc. The multi-channel UART(Universal Asynchronous Receiver Transmitter) consists of the data conversion circuit and FIFO. In addition,...
Most existing approaches to targeting high-level software to FPGAs are based on extensions to C and do not map easily to the features and characteristics of modern FPGAs. These include massive parallelism and a variety of complex IP-blocks (eg. RAMs, DSPs). In this paper we discuss a hardware implementation of SR, a software language with first class concurrency and high-level IPC.We show that the...
Fuzzy controllers are used in many applications because of their rapid design by translating heuristic knowledge, robustness against perturbations, and smoothness in the control action. It is known that as the number of membership functions increases fuzzy control becomes smoother. However, since the number of rules is an exponential function of the number of inputs and number of membership function,...
This paper details the design and implementation of three uniform random number generators for use in massively parallel simulations in FPGAs. The three different generators are tailored to make use of three different types of hardware resource: logic, RAM, and DSP blocks. This allows the random number generator to be fitted into resources left-over after the main application has been written. The...
Commercial off the shell (COTS) software/hardware and standalone instruments were used to study the feasibility of the development of a QAM evaluation system to support developments of components/sub-systems for high data rate digital communication. Once the concept was proven it was transferred from a rack-and-stack configuration to a standalone test system including its own circuitry and embedded...
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