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In this paper, a corrugated substrate integrated waveguide (CSIW) with no metallic vias is proposed, and its propagation characteristics are investigated via our numerical SOC de-embedding method. In our analysis, dominant operating modes in this CSIW at different frequencies are extensively discussed. In final, its complex propagation constant, i.e., phase and attenuation constants, is derived to...
Perception of the environment is an important task for intelligent vehicles, and to effectively perceive the environment, multiple sensors are often employed. In this paper, we propose to integrate the perceived data from 3D LIDAR and stereo camera using particle swarm optimization algorithm, without the aid of any external calibration aids. The proposed optimisation algorithm automatically calibrates...
In this letter, a numerical short-open-calibration (SOC) technique is developed to be integrated with the electromagnetic (EM) software for direct de-embedding of propagation constant of substrate integrated waveguide (SIW). The two calibration standards, i.e., short- and open-end circuits can be perfectly built up by means of perfectly electric and magnetic walls in numerical algorithm. After three...
In this letter, a numerical short-open-calibration (SOC) technique is developed to be directly integrated with the commercial electromagnetic software for accurate extraction of propagation constant of substrate integrated waveguide (SIW) with longitudinally periodic metallic posts. Short- and open-end circuits can be exactly realized by means of electric and magnetic wall in software respectively...
A 15 b power-efficient pipeline A/D converter using capacitance-coupling non-slewing amplifiers is presented. A modified 1.5b/stage transfer curve combined with the non-slewing amplifier is useful for the error corrections of incomplete settling error. The relationship between the input signal and the incomplete settling errors can be linearized and the errors can be corrected in digital domain with...
A sampling clock skew calibration method with a new calibration signal addition circuit is presented in this paper. The clock skew is detected using a calibration signal, and the calibration is done by adjustment of sample clock delay. The new calibration signal addition circuit consisting of small capacitors and a few switches has little interference to the input signal, and makes it possible for...
Timing error between sampling and holding (SZH) channels for Time-interleaved analog-to-digital converts (TiADCs) is caused by clock skew and RC (sampling resistance and capacitance) mismatch. This paper presents the measurement results of a prototype chip based on our previous work (Z. Liu et al., 2006), in which we showed timing error due to clock skew and RC mismatch can be calibrated simultaneously...
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