نتایج جستجو برای: passive detection
تعداد نتایج: 632461 فیلتر نتایج به سال:
We propose a detection mechanism that takes the advantage of virtualized environment and combines both passive and active detection approaches for detecting bot malware. Our proposed passive detection agent lies in the virtual machine monitor to profile the bot behavior and check against it with other hosts. The proposed active detection agent that performs active bot fingerprinting can send sp...
Islanding detection and prevention are involved in tandem with the rise of large- small-scale distribution grids. To detect islanded buses, either voltage or frequency variation has been considered literature. A modified passive islanding strategy that coordinates V-F (voltage–frequency) index was developed to reduce non-detection zones (NDZs), an operation is proposed this article. Voltage wer...
This paper presents a passive islanding detection method based on means of a neuro-fuzzy approach for wind turbines. Several methods based on passive and active detection scheme have been proposed. While passive schemes have a large Non detection zone (NDZ), concern has been raised on active method due to its degrading power quality effect. Reliably detecting this condition is regarded by many ...
A GaInAsP photonic crystal slab microlaser with an integrated passive waveguide was fabricated by a MOCVD butt-joint regrowth process. The boundary between the active and passive regions was optimized for high light transmission. In addition, the edge of the waveguide was designed to output a narrow beam, and the light detection was improved. Consequently, a maximum output power of 0.17 mW was ...
P300, a positive event-related potential (ERP) evoked at around 300 ms after stimulus, can be elicited using an active or passive oddball paradigm. Active P300 requires a person's intentional response, whereas passive P300 does not require an intentional response. Passive P300 has been used in incommunicative patients for consciousness detection and brain computer interface. Active and passive ...
The classic MIMO wiretap channel comprises a passive eavesdropper that attempts to intercept communications between an authorized transmitter-receiver pair, each node being equipped with multiple antennas. In a dynamic network, it is imperative that the presence of an eavesdropper be determined before the transmitter can deploy robust secrecyencoding schemes as a countermeasure. This is a diffi...
Radio Frequency Identification (RFID) system uses the principle of radiative power transfer between the reader and the tag antenna. The main performance metric for RFID system is the reliable reading coverage, where the tag can be read with higher detection probability. Most of current researches consider the reader coverage to be determined only by its read range assuming monostatic configurat...
Extended Finite State Machine (EFSM)-based passive fault detection involves modeling the system under test (SUT) as an EFSM M, monitoring the input/output behaviors of the SUT, and determining whether these behaviors relate to faults within the SUT. We propose a new approach for EFSM-based passive fault detection which randomly selects a state in M and checks whether there is a trace in M start...
Active management of distribution networks and different controllable resources will play a key role in future Smart Grids. This paper proposes that centralized active network management functionalities at MV level could also include an algorithm which in real time confirms reliable islanding detection with local measurements based passive method. The proposed algorithm continuously ensures tha...
An open-circuit scuba diver’s acoustic signature (radiated sound) consists predominately of a sequence of regularly spaced wideband pulses each corresponding to the inhaling phase of the diver’s breathing cycle. A cyclic frequency analysis of the output signal from a single hydrophone leads to the automated detection of the diver and an estimate of the diver’s breathing rate. Measurement of the...
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