By Topic

Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144)

8-11 Aug. 2000

Go

Filter Results

Displaying Results 1 - 25 of 99
  • Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems [front matter]

    Publication Year: 2000, Page(s):i - xlix
    Request permission for commercial reuse | PDF file iconPDF (1937 KB)
    Freely Available from IEEE
  • Topical index

    Publication Year: 2000, Page(s): A
    Request permission for commercial reuse | PDF file iconPDF (66 KB)
    Freely Available from IEEE
  • Author index

    Publication Year: 2000, Page(s):B - H
    Request permission for commercial reuse | PDF file iconPDF (349 KB)
    Freely Available from IEEE
  • General FFT pruning algorithm

    Publication Year: 2000, Page(s):1192 - 1195 vol.3
    Cited by:  Papers (23)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    The efficiency of the fast Fourier transform may be increased by removing operations on input values which are zero, and on output values which are not required; this procedure is known as FFT pruning algorithm. Up to now some algorithms have been proposed considering decimation-in-time (DIT) or decimation-in-frequency (DIF) procedures, and considering that for a N = 2M input points of ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • ARMA lattice modeling for isolated word speech recognition

    Publication Year: 2000, Page(s):1186 - 1190 vol.3
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    In this paper, we introduce an auto-regressive moving average (ARMA) lattice model for speech modeling. The speech characteristics are modeled and expressed in the form of lattice reflection coefficients for classification. Self Organization Map (SOM) is used to build codebooks for classification and recognition of the lattice reflection coefficients. Experimental results based on an isolated word... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A comparison of different clustering algorithms for speech recognition

    Publication Year: 2000, Page(s):1222 - 1225 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    K-means and SOM have been frequently applied to clustering problems in speech recognition. Recently, new clustering algorithms have been introduced which present certain advantages over both of them. The present paper compares the performance of one of these, STVQ, to k-means and SOM on two well-known speech data sets View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • 1-D and 2-D real-valued discrete Gabor transforms

    Publication Year: 2000, Page(s):1182 - 1185 vol.3
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    By replacing the complex-valued Gabor basis functions of the complex-valued discrete Gabor transform (CDGT) with real-valued Gabor basis functions, we propose a real-valued discrete Gabor transform (RDGT) for finite discrete signal and image representations. The RDGT provides a simpler method than the CDGT to calculate the transform (or Gabor) coefficients from finite summations and to reconstruct... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A 1 MHz, 8-bit pipelined A/D converter using switched-current memory cells

    Publication Year: 2000, Page(s):1330 - 1333 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    An 8-bit pipelined analog-to-digital converter using the switched-current technique is shown. A novel MOSFET memory cell, which is the basic building block, is proposed and its components analyzed View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Ultra-fast noise immune CMOS threshold logic gates

    Publication Year: 2000, Page(s):1310 - 1313 vol.3
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    This paper details a systematic method for significantly improving the noise margins of very fast threshold gates. The method is based on adding nonlinear terms determined from the Boolean form of the threshold function to be implemented. Simulation results support the theoretical claims. Finally, two methods for drastically reducing the dissipated power of such threshold gates down to <50%, an... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Optimized speaker independent speech recognition system for low cost application

    Publication Year: 2000, Page(s):1218 - 1221 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    Describes an ASIC design and implementation of 15-isolated-word, speaker independent speech recognition system for low cost application. The input to the IC is a 12-bit sample with a sampling rate of 11.025 kHz. The delay between the end of a word and the response from the IC is approximately 0.24s. The IC runs at 10 MHz system clock and is targeted at 0.35 μm CMOS process. The whole chip, whic... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A 1-V 5 μW CMOS-opamp with bulk-driven input transistors

    Publication Year: 2000, Page(s):1038 - 1041 vol.3
    Cited by:  Papers (17)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    In this paper, a low-power CMOS operational amplifier for biomedical instrumentation operating with a 1-V supply is described. Large input common-mode range (CMR) is achieved utilizing bulk-driven PMOS-transistors as an input differential pair of the opamp. The opamp was fabricated in a 0.35 μm n-well double-poly CMOS process with threshold voltages of 0.5 V and 0.65 V. The open-loop gain (A View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Finite element analysis for simulating a hot thyroid nodule

    Publication Year: 2000, Page(s):1064 - 1067 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (504 KB)

    Presents the theory supporting a new diagnostic method for a thermographic system. A finite element analysis of a hot thyroid nodule is developed and used for diagnosis utilizing thermal imaging. The new non-invasive diagnostic technique was applied to patients having Graves' diseases at the Indiana University (IU) Hospital, and compared with the existing scheme that utilizes I Scan. The results o... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Real-time implementation of image encoding for DVR systems using TMS320C6201

    Publication Year: 2000, Page(s):1104 - 1107 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    Implemented real-time image encoder for digital video recording (DVR) system. TMS320C6201 DSP is used for image compression. The algorithm is based on JPEG and motion detection is added to remove temporal data redundancy. Fast algorithms and real-time techniques are used for optimization. We improve encoding speed with proper distribution of memories that have different speeds. The separation of d... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Multi resolution least squares SVM solver

    Publication Year: 2000, Page(s):1178 - 1181 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    Discusses the use of multi resolution analysis (MRA) for fast approximate solution of large linear sets of equations arising in least squares support vector machine (LS-SVM) problems. When LS-SVMs are used on a low dimensional input space, the matrix of the linear set exhibits a structure that leads to a sparse approximation in the wavelet domain. The amount of structure decreases with increasing ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Minimum variance and LQG control for active noise cancellation - a comparison

    Publication Year: 2000, Page(s):1358 - 1361 vol.3
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB)

    Some active noise cancellation (ANC) researchers have proposed generalized minimum variance control as a viable scheme for active noise cancellation. Other early minimum variance researchers have proposed a variant of minimum variance for non-minimum-phase systems which guarantees closed-loop stability. This paper demonstrates that closed-loop stability is an insufficient condition for stable mini... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Impact of model errors on predicting performance of matching-critical circuits

    Publication Year: 2000, Page(s):1324 - 1328 vol.3
    Cited by:  Papers (4)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    Existing approaches to modeling mismatch effects in matching-critical circuits are based upon models derived under the widely accepted premise that distributed parameter devices can be modeled with lumped parameter models. It is shown in this paper that the lumped parameter models do not consistently reflect device performance and introduce substantial errors in matching-critical circuits if eithe... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • CMOS RF low-noise amplifier design for wireless communication

    Publication Year: 2000, Page(s):1306 - 1309 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    Design and optimization of a CMOS low-noise amplifier have been presented. Typical noise parameters such as minimum noise figure,, equivalent noise resistance, and optimum source conductance using deep submicron CMOS technology including effect of bias-dependent gate resistance of the MOSFET are derived. Noise parameters, gain, and power consumption are simultaneously optimized using closed-form a... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Harmonic interference removal using a fractional delay filter

    Publication Year: 2000, Page(s):1214 - 1217 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    Treats the harmonic interference removal where the frequency of the interference is a rational number and known in advance. In order to remove the interference from the corrupted signal without distortion we propose a structure, which uses a comb filter with a fractional delay. The polyphase structure with two output branches approximates a fractional delay. The proposed structure is convenient fo... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Flat CORDIC: a unified architecture for high-speed generation of trigonometric and hyperbolic functions

    Publication Year: 2000, Page(s):1414 - 1417 vol.3
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    Advances in VLSI technology provided the impetus for porting algorithms into architectures. The CORDIC algorithm reigned supreme in this regard due to its canny ability to decimate trigonometric and hyperbolic functions with simple shift and add operations. Despite further refinements of the algorithm with the introduction of redundant arithmetic and higher radix CORDIC techniques, in terms of cir... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Design of CMOS composite transistors with improved operating region

    Publication Year: 2000, Page(s):1034 - 1037 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    Proposes two new CMOS composite transistors with an improved operating region by reducing a threshold voltage. The proposed composite transistors 1 and 2 employ a p-type folded composite transistor and an electronic Zener diode in order to decrease the threshold voltage, respectively. The simulation has been carried out using 0.25μm n-well process with 2.5V supply voltage View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Truncation DC-error elimination in FIR filters

    Publication Year: 2000, Page(s):1292 - 1295 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The truncation of binary numbers can be modeled as noise and a DC-error if certain conditions are fulfilled. These truncation effects in finite impulse response (FIR) digital filters that are realized with canonic signed-digit (CSD) representation are reviewed. Three different techniques to reduce or eliminate the DC-error are presented and compared with respect to hardware and power consumption r... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Microwave circuit parameters classification according to their influence on circuit performance

    Publication Year: 2000, Page(s):1240 - 1243 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    This paper shows how by means of a complete sensitivity analysis restricted to order six, it is possible to perform a classification of all circuit parameters according to their influence on the circuit response and also to detect correlation, that may exist between various parameters View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A continuously-adapting analog node using floating-gate synapses

    Publication Year: 2000, Page(s):1058 - 1061 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    Demonstrates that a network of pFET single-transistor learning synapses implements a multi-input adaptive node. These floating-gate synapses are capable of four-quadrant multiplications between an input and a weight, as well as adapting to a four-quadrant correlation between the input and a learning signal applied as a drain voltage. Our adaptive floating-gate node structure converges to the corre... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Fully integrated neural stimulation system (FINESS)

    Publication Year: 2000, Page(s):1082 - 1085 vol.3
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    Presents a fully integrated telemetrically powered functional nerve stimulation system consisting of a BiCMOS integrated circuit and an external Class E transmitter. The integrated circuit chip can deliver a biphasic waveform up to 2 mA of current to 8 sets of bipolar stimulating electrodes of 1.5 kΩ impedance. The output current is programmable in 65 μA steps and it can stimulate up to 2... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Development of a real time chat application on intelligent network based on fuzzy logic

    Publication Year: 2000, Page(s):1376 - 1380 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    This paper describes the implementation of an intelligent chat group based on fuzzy logic. The chat group is based on client server model. The expert system based on fuzzy logic is developed in Java and monitors parameters, like number of clients, the idle time of each client etc., and then determines the priority of each client View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.