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Polarimetric SAR(PolSAR) has played more and more important roles in earth observation. Polarimetric SAR image classification is one of the key problems in the PolSAR image interpretation. In this paper, based on the scattering properties of fully polarimetric SAR data, combing the statistical characteristics and neighborhood information, an efficient method of fully polarimetric SAR image classification...
Creating market value is an important issue for companies. This study integrates financial and non-financial perspectives based on the framework of the Balanced Scorecard to explore the value drivers for banks. Empirical results show some similar value drivers and several interesting differences between the pre-financial crisis and post-financial crisis period. The disclosure of non-financial information...
Jiulong River has been polluted to varying degrees. The water environmental quality will decrease sharply when the quantity of pollutant and waste exceeds the consumption capacity. Thus, It is of great significance to evaluate the water environment consumption capacity. We put forward a consumption capacity assessment model and a new calculation unit so-called landscape watershed unit. The water environment...
Political relation refers to the interactive process between the political and economic markets and generally exists worldwide. Numerous people who engage in political relations obtain loans for large sums of money from financial institutions by exerting political power. When different political parties are in power, many enterprises obtain political and economic privileges through political investments...
Quasi-Delay insensitive (QDI) circuits are the most robust and practical circuits that can be built and are resilient to process, temperature and voltage variations. This paper proposes a novel energy and cost efficient synthesis scheme to translate any Boolean functions into 4-phase handshaking QDI circuits with hybrid dual-rail (DR) and 1-of-4 (OOF) encoding signals. Preliminary experimental results...
A numerical method to correlate the surface recombination velocity and the Fermi-level pinning is provided. This correlation was integrated into the simulation of the GaAs nano-scale solar cells, and the surface-dependent performance of the solar cells can be obtained. This method is also applied to the simulation of the radial-junction nanorod solar cells with sidewall contacts.
This paper proposes a multiple energy intelligent scheduling system that can carry on the unified dispatching of wind-light complementary system, according to the power grid load fluctuations to control grid power, it can make the power grid of the power supply quality more reliable. Firstly introduces the structure principle and photovoltaic generation in power system, then the working state of the...
The charge collection probability is one of the most important parameters of a solar cell. We derived two kinds of special functions to fit the external quantum efficiency and use then to reconstruct the charge collection probability. The simulation results of gallium arsenide and silicon solar cells are put into comparison.
The photoluminescence (PL) with CdTe quantum dots (QDs) -NaCl crystals, mixed with organic film on glass substrate, was measured. This organic film was made by Polydimethylsiloxane (PDMS). Under different overlapping manner, a better PL intensity can be found at multiple layers condition.
A dual band (2G/5G) IEEE 802.11b/g/n/ac wide-band AM-AM envelope feedback power amplifier with digital pre-distortion is demonstrated in 40nm CMOS. This architect effectively improves both EVM and spectrum mask up to 20.9dBm in 40MHz bandwidth at 2G and 17.2dBm in 80MHz bandwidth in 5G. In addition, comparing to the conventional class AB PA, the power consumption is significantly reduced by 33% at...
The focusing principle of curved phased array probe was investigated through experiment and acoustic simulation. Two sets of delay time, i.e. the linear and curved array mode, were applied to the curved phased array probe respectively, and the corresponding characteristics of ultrasound field were analyzed. Numerical results show that under the condition of linear array mode, the ultrasound of side...
The fast adaptation of WiFi 802.11ac 256-QAM mode requires RF clocks with very low integrated phase error to deliver good EVM performance. On the other hand, smaller area and lower power are always desired for lower cost and longer battery life. This work presents a 28nm CMOS LO design for dual-band 802.11abgn/ac radio with overall architecture shown in Fig. 9.4.1. It addresses the aforementioned...
State-of-the-art wireless systems implemented in low-cost, deep-submicron CMOS processes support a wide range of applications including 2/3/4G cellular and 802.11a/b/g/n/ac. This session includes a multiband GSM/EDGE/HSPA+/TDSCDMA/LTE transceiver, the first reported single-chip HSPA transceiver with fully-integrated 3G CMOS power amplifiers, a transmitter with 10b 128MS/S incremental-charge-based...
The aim of mobility management is to track the location of user equipment (UE). Many location management methods have been proposed and they could be classified into several categories: the distance based method, time based method, and movement based method. These methods only consider the mobility of UEs. When the telephonic traffic increases, the performance of these methods may decrease significantly...
Cyberspace is a complicated system of computer, network and other information environments. To evaluate its security defence ability, the offensive and defensive features in cyberspace were discussed in this paper, firstly. Then index system and evaluation model were proposed. Based on analytic hierarchy process method, cyberspace security defence system was decomposed from its ability aspect. Fuzzy...
Recent years have witnessed the rapid development of cloud computing, which leverages its unique services to cloud customers in a pay-as-you-go, anytime, anywhere manner. However, a significant barrier to the adoption of cloud services is that users fear data leakage and loss of privacy if their sensitive data is processed in the cloud. Hence, the cloud customer must be able to select appropriate...
The advent of low-cost, functional robots has promoted swarm robotics research. However, an area of research that is yet untouched is how these types of robots could aid in teaching STEM subjects. In particular, there is little work concerning mathematics at the elementary level. The Kilobot robot's size, cost, and functionality offers a good test-bed to explore its use as a pedagogical tool. This...
In this paper, a flexible in-vessel inspection robot for inspecting the first wall inside the vacuum vessel of Experimental Advanced Superconducting Tokamak (EAST) is modeled using the absolute nodal coordinate formulation. The robot is a macro-micro robot including three curved telescopic booms. When the curved telescopic booms are extracted and retracted during the operation process, its overall...
High-power high-frequency transformers will become important electrical components in future DC/DC converters of HVDC power transmission system. Flux density and working frequency are mainly the most two important parameters in transformer design process. According to the design method of transformers, the design size and weight of transformers will decrease significantly with the increase of the...
Pointing at objects on screen through cursor is a significant function for manipulating a personal computer. A prototypical robot CUBot1, which can perceive the content displayed on the PC's screen and control the PC's mouse to perform the interaction with PC like a computer user, is presented in this paper. A heuristic control algorithm is developed for the CUBot so that it possesses the ability...
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