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Multisensor data association is very important in multisensor information fusion, which will decide whether the data from different sensors is representative for the same target. Tradition data association uses the joint probabilistic data association (JPDA) algorithm as the priority means, which depends on the state measurement and has long computation time. So, in this paper, a new algorithm based...
IGBTs have the advantages of BJTs and MOSFETs, they are widely used in household appliances and industrial production. But thermal problem has affected the development of IGBT, so its accurate measurement of thermal resistance and temperature rise is very important. In this paper, we propose a new test system for thermal resistance of IGBT, in this test system, we use digital approach, choose the...
A scalable Gummel-Poon model for high-speed SiGe HBTs is developed based on Gummel-Poon model in this paper. This model is well applied to simulation software of ADS and Hspice. The scaling is mainly based on different physical dimension of individual devices, all the scaling parameters in the scaling equations are extracted directly from the measurement data of various dimension. The correctness...
A novel 3-D IGBT thermal model is implemented. The temperature distribution in different conditions was analyzed by using finite element thermal analysis software ANSYS. Simulation results under the conditions of different heat source spacing, respectively 5μm, 10μm and 15μm, show that increasing the heat source spacing appropriately can reduce the thermal coupling effect, thereby reducing the peak...
In this paper, we investigate the effect of depletion and doping variation in the poly-silicon gate on the direct tunneling current of an ultra thin oxide nanoscale n-MOSFET. The tunneling probability is estimated by Wentzel-Kramers-Brilliouin approximation. The results have also been compared with the numerically reported results and show good agreement.
It is generally accepted that, sooner or later, MOS-based circuits cannot be reduced further in (feature) size due to fundamental physical restrictions. Recently, many logic gates based on SET have emerged, representative SET/CMOS hybrid logic circuits are developed to avoid the disadvantage. The characteristics of SET are used to reduce the number of conventional devices. The tunable Coulomb oscillation...
In the CAN bus, mistakes in bit timing will lead to serious decline in bus performance. How to deal with the bit timing of CAN bus communication decided whether the CAN controller can receive or transmit data correctly. According to bus protocol, bit synchronization will fix bit errors resulting from improper setting in many cases. This paper illustrated the structure of nominal bit time and the principle...
Integrated Avionics System is a complex electronic system in advanced fighter that can collect, code, distribute, store air duty information and enable pilot fulfills the training and fighting mission. The Data traffic of the Integrated Avionics System depends on Military-Standard-1553B bus. Firstly, an architecture module of Integrated Avionics System in a fighter is put forward. Secondly, the Architecture,...
New tendencies envisage multi-core as a promising solution for embedded application. And the key challenge is how to improve the communication efficiency. In this paper, we propose improved on-chip communication architecture for multi-core embedded system The presented on-chip communication protocol is based on packet connected circuit (PCC), but we improve it to fit different frequency requirements...
Hardware implementation by Networks on Chip (NoC) for Artificial Neural Network (ANN) was proposed to improve. In this work, a new architecture of NoC which has a hardware implementation of routing algorithm is proposed for ANN design. This routing strategy could reduce the packet size of header. The NOXIM NoC simulator is used to simulate the proposed system in term of latency, throughput and power...
Flow control in Network on Chip (NoC) is critical because unbalanced transmission process and congestion in nodes can affect on-chip performance: communication latency, throughput and heat accumulation. To achieve the goal to balance on-chip communication load, we present a distributed routing scheme named RIPNoC (Router Information Piggybacking Routing Scheme for NoC). This routing scheme provides...
The potential utilization of memristor in future complex system draws worldwide attention. Since it can be used as an ultra-dense integrated component, many researchers make efforts to develop various applications of memristor. Here we present a modeling method based on nano-crossbar structure, with which the memristor behavioral model is constructed. At the same time, we analyze different methods...
A novel accurate and efficient modeling method based on Equivalent Circuit trained Artificial Neural Network (EC-ANN) technique is developed for a RF-MEMS extended tuning range varactor. The parameters are extracted directly from the equivalent circuit model and used as training and testing sets for the ANN. Experiments show that the proposed approach can be used to fast and accurately model the RF...
This paper reports a MEMS gyroscope that is driven by the rotating carrier's angular velocity. The structure and fabrication are introduced in the paper. The silicon processing and simulating of the sensing element are studied. We use coventor ware to simulate structure. In simulation, the first modal frequency we obtained is 200.49Hz, and the normal static capacitance is 18.7pf from electrode to...
In order to manufacture antenna integrated with RF-MEMS switch on the same substrate, a silicon wafer was used as substrate. As the high dielectric constant of silicon (ϵr=11.9) degrades an antenna efficiency and excites surface waves especially at high frequency, removing substrate under the antenna and giving birth to an air cavity is a general way to reduce the dielectric constant of silicon. In...
A direct coupling porous silicon waveguide biosensor structure utilizing propagation wave is proposed. The waveguide sensor has a porous silicon membrane as the core and two metal layers as cladding. Direct coupling of light is possible due to attenuated total reflection at the air-metal interface. Sensitivities of two interrogation methods using this sensor structure have been studied, the mode angle...
A high speed low power Soft-Output Viterbi decoder designed for the convolutional codes used in the ECMA-368 UWB standard is presented in this thesis. A novel hybrid SMU architecture using the trace-forward method is proposed. It can reduce the overall required memory and achieve high throughput without consuming much power. This thesis also proposes a way to concatenate the SOVA decoder and Reed-Solomon...
In this paper, we focus on the Dual-Carrier modulation (DCM) technology in the Ultra Wide Band (UWB) wireless communication system. A new demodulation algorithm-getting fully usage of frequency diversity in the UWB channel is proposed. System simulator result shows that the proposed method can get 1.5dB gain at the Per (Packet error) performance of 8% while the data rate is 480Mbps under IEEE CM1...
This paper proposes a finite-impulse response (FIR) based UWB transmitter. The pulse is optimized by genetic algorithm (GA) with the power spectral efficiency of 74%. The injection-locking technology for jitter reduction with loop filtering and phase filtering is discussed which significantly reduces the amount of jitter in high frequencies. By using the genetic algorithm, the optimal FIR pulse could...
An all-digital CMOS ultra-wideband (UWB) pulse generator with 3-5GHz frequency range is presented in this paper. The pulse generator is tunable in both amplitude and bandwidth to meet the FCC spectral mask requirement. The circuit is implemented in 0.13 μm CMOS process with a core area of 0.024 mm2 and achieving an energy efficiency of 2.5 pJ/pulse at 200M pulse/s.
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