نتایج جستجو برای: arbitrary switching signal
تعداد نتایج: 569548 فیلتر نتایج به سال:
Complex images, inscribed into the spatial profile of a laser beam or even a single photon, offer a highly efficient method of data encoding. Here we present a prototype system which can quickly modulate between arbitrary images. We display an array of holograms, each defined by its phase and intensity profile, on a spatial light modulator. The input beam is then steered by an acousto-optic mod...
We obtain an efficient parametrization that ensures stability of switched linear systems under arbitrary switching. Apart from stability analysis, our results are useful for addressing several important system theoretic problems, e.g. designing controllers that ensure robustness against arbitrary combinations of sensor or actuator failure. We illustrate our results by considering control of a d...
The ability to test the response of cells and proteins to a changing biochemical environment is of interest for studies of fundamental cell physiology and molecular interactions. In a common experimental scheme the cells or molecules of interest are attached to a surface and the composition of the surrounding fluid is changed. It is desirable to be able to switch several different biochemical r...
A switching signal for a switched system is said to be shuffled if all modes of the are activated infinitely often. In this paper, we develop tools analyze stability properties discrete-time linear systems driven by signals. We introduce new notion joint spectral radius (SJSR), which intuitively measures how much state contracts each time shuffles (i.e. have been activated). show relates associ...
The presence of mobile ions in perovskites is well known to influence the device electrostatics leading a wide variety anomalous characteristics related hysteresis, efficiency degradation, low frequency capacitance, large signal switching, etc. Accordingly, ion mobility understood have critical on associated time constants/delays. Quite contrary this broadly accepted thought, here we suggest th...
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
This paper studies the “intermittent” chaos and subharmonics observed in switching dc/dc converters using a simple circuit model that describes possible unintended coupling of some weak spurious signal to the converter. The study shows that the signal strength and frequency of the intruding signal are vital parameters that affect the type of intermittent behaviour and the period of intermittenc...
This paper studies the “intermittent” chaos and subharmonics observed in switching dc/dc converters using a simple circuit model that describes possible unintended coupling of some weak spurious signal to the converter. The study shows that the signal strength and frequency of the intruding signal are vital parameters that affect the type of intermittent behavior and the period of intermittency...
Minimal realization is discussed for linear switched systems with a given switching signal. We propose consecutive forward and backward approach the time-interval of interest. The refers to extending reachable subspace at each time by taking into account nonzero space from previous mode. Afterwards, extends observable current mode observability information next account. This results in an overa...
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