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This study investigates the moderating effect of analyst coverage on the relationship between internal pay gap and company performance. Based on a sample of 2993 Chinese stated-owned listed enterprises from 2010 to 2014, we find that both executive pay gap and pay gap between executives and employees are positively related to company performance, which support the tournament theory. In addition, our...
The algorithm of correlation detection of seismic pulses in grid nodes, which are located by the original method of hydraulic fracturing monitoring, is explored and applied in this work. The algorithm provides high quality of detection with a random initial phase of a seismic pulse.
In this paper, we propose Segugio, a novel defense system that allows for efficiently tracking the occurrence of new malware-control domain names in very large ISP networks. Segugio passively monitors the DNS traffic to build a machine-domain bipartite graph representing who is querying what. After labelling nodes in this query behavior graph that are known to be either benign or malware-related,...
Distribution transformer is an important asset in distribution network. Its operation and control are important aspects which determine the reliability and quality of power supply. A remote condition monitoring system for distribution transformer is discussed here. Different parameters are acquired and processed in remote terminal unit. This communicates the data to the operator end using internet...
Perspective method for the monitoring and on-line modulation analysis in the HF band is presented in this paper. The workplace for the on-line analysis of analog and digital modulations consists from the digital receiver IZ225 and a PC with adequate SW. The original program for the on-line modulation signal analysis was designed in the programming environment CipherCAD. The type of modulation, its...
To control and preventing volcanic risk, are used different devices where many parameters are monitored that provide insight into the state of a volcano. This paper presents the design of system for monitoring the volcano seismicity. This system is composed of the module of acquisition data, the power module, the peripherals for communicate remotely and GPS to get time synchronization. This system...
This paper reports charge induction phenomena caused by fluctuated static E-fields and multiple discharge phenomena at a small gap object triggered by the induced charge. A multiple discharge events were experimentally confirmed at the floating small gap, such as a 50µm gap width.
In this paper we show a stable glucose monitoring system for vertically aligned carbon nanofiber based biosensors. The system is comprised of a modified grounded working electrode potentiostat using a common gate transimpedance amplifier and a current starved voltage controlled oscillator. The system provides a low power solution for portable applications and facilitates wireless data transfer. The...
There is a rising concern about the environmental status of the seas of our planet. Such concern regards several kinds of anthropogenic activities and their impact on the marine ecosystems. Part of the adverse effects are recognised to be due to various forms of acoustic emissions generated by human activities related to the exploitation of sea resources and to shipping. The main regulatory bodies...
We describe using auralization to monitor process stack and netstat status on a server or small group of servers. Using the auditory channel is especially useful for monitoring because it can be done without taking much attention. Our contribution is to suggest generating noise-like sounds that more naturally fade into the background, and are less fatiguing over long monitoring sessions. Although...
The European AQUO project started in October 2012, in the scope of the FP7 European Research Framework, for three years duration. The final goal is to provide policy makers with practical guidelines and solutions, in order to mitigate underwater noise footprint due to noise radiation from ships. In the framework of the AQUO project, real-time monitoring of shipping noise has been implemented in three...
We address the problem of component fault detection and isolation in nonlinear dynamical systems. We consider parameterized nonlinear state-space models and, in the framework of the local approach we have developed, we investigate two possible solutions. The first one is based on state elimination and the use of an equivalent input-output model. The second one is based on state estimation and the...
Model predictive control (MPC) is the dominant control technology for constrained, multivariable chemical processes. Performance assessment of MPC controllers is an important problem that has received little attention. Most multivariable controller assessment techniques are based on comparing the actual performance to that achievable under minimum variance control (MVC). MVC measures not well suited...
Early diagnostics of cardiovascular disorders undoubtedly is a very crucial task. The heart arrhythmia is a disease, which can cause unexpected death. It is very difficult to control this disease outside the hospital. We can decrease the dearth rate if patients use a handheld device, which can register an electrocardiogram domiciliary. Using this portable device patient can register his electrocardiogram...
In this paper we study the estimation of changing trends in time-series using ℓ1 trend filtering. This method generalizes 1D Total Variation (TV) denoising for detection of step changes in means to detecting changes in trends, and it relies on a convex optimization problem for which there are very efficient numerical algorithms. It is known that TV denoising suffers from the so-called stair-case effect,...
Brain-computer interfaces (BCI) provide a way to monitor and treat neurological diseases. These interfaces contain an array of sensors that gather and transmit data. Given low-power and no-clock limitations, asynchronous sigma delta modulators (ASDMs) are considered as an alternative to synchronous analog to digital conversion. ASDMs are non-linear feedback systems that enable time-encoding of analog...
This paper describes a PSRR enhancing method for the all-digital phase-locked loop (ADPLL) by utilizing a self-regulated gated ring-oscillator (SR-GRO) time-to-digital converter (TDC) and a voltage regulator just for a digitally-controlled oscillator (DCO). The SR-GRO employs a replica supply noise monitoring circuit which tracks supply noise and enables feed-forward error cancellation over broad...
This paper presents an adaptive supply-resonance (SR) suppression scheme at a product testing stage. Dedicated to each product in different assembly forms, an on-chip power-delivery-network analyzer identifies SR frequency and autotunes notch filter for SR noise suppression. The feasibility has been silicon-proven by a prototype demonstration in 0.18µm CMOS successfully.
The the deformation of the building is regarded as the function of the time and excavation depth of the foundation ditch in the paper, and Taylor series is used to erect the functional relationship of the building deformation to the time and excavation depth, the remainder term of Taylor series and the variation of coefficients of second power of the variation of the time and second power of the variation...
This paper introduces a mechanism for testing multivariable models on which model-based controllers are designed. Although external excitation is not necessary, the data collection includes a stage where the controller is switched to open-loop operation (manual mode). The main idea is to measure a certain "distance" between closed-loop and open-loop signals, and then trigger a flag if this...
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