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This paper presents an eight-channel inverter transimpedance amplifier (INV-TIA) array realized in a standard 0.18μm CMOS technology for the applications of linear laser detection and ranging (LADAR) systems. For comparison purposes, a couple of multi-channel TIA arrays including a four-channel current-mirror transimpedance amplifier (CM-TIA) array, and a four-channel INV-TIA array are demonstrated...
A CMOS centric phase array radar architecture is proposed for long range detection with a high angular resolution and short range with a large field of view at once. And one channel transceiver is implemented in a 65nm CMOS technology and patch array antenna also fabricated on LTCC (Low Temperature Co-fired Ceramic) substrate for small form factor, low power radar. Measured 77GHz I/Q receiver showed...
A nitric oxide (NO) electrochemical sensor for hypoxic, tumor cell culture applications is developed. Qualitative analysis of the electrode has been studied by cyclic voltammetry. NO amperometric measurement methods have been extensively analyzed. Square wave voltammetry method is found to be one of the optimal methods for the measurement of NO in cell cultures. A hypoxic tumor cell culture measurement...
This paper addresses the multiplication of one data sample with multiple constants using addition/subtraction and shift operations, i.e., the multiple constant multiplications (MCM) problem. The MCM problem finds itself and its variants in many applications, such as digital finite impulse response (FIR) filters, linear signal transforms, and computer arithmetic. Although many efficient algorithms...
In this work, we characterize genes using an oligonucleotide affymetrix gene expression dataset and propose a novel gene selection method based on samples from the posterior distributions of class-specific gene expression measures. We construct a hierarchical Bayesian framework for a random effect ANOVA model that allows us to obtain the posterior distributions of the class-specific gene expressions...
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