Angebote zu "Elements" (217 Treffer)

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WD Elements 3TB HDD Usb3.0 8,9cm 3,5Zoll RTL ex...
111,52 € *
zzgl. 5,98 € Versand

WD Elements 3TB HDD Usb3.0 8,9cm 3,5Zoll RTL extern RoHS compliant Low cost schwarz (Wdbwlg0030Hbk-Eesn)

Anbieter: Rakuten
Stand: 22.01.2020
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Biometric authentication using elements of hair
35,90 € *
ggf. zzgl. Versand

Hair elements can be used as a Biometric authentication. This can be used in smart card and atm card and is also easy to test, because the cost of testing is very low and the hair can grow back fast. The hair elements composition and the percentage of elements may vary from one person to another. Biometric authentication using hair elements can be the best in Biometric.

Anbieter: Dodax
Stand: 22.01.2020
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Biometric authentication using elements of hair
37,00 € *
ggf. zzgl. Versand

Hair elements can be used as a Biometric authentication. This can be used in smart card and atm card and is also easy to test, because the cost of testing is very low and the hair can grow back fast. The hair elements composition and the percentage of elements may vary from one person to another. Biometric authentication using hair elements can be the best in Biometric.

Anbieter: Dodax AT
Stand: 22.01.2020
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Basic Principles of Fresnel Antenna Arrays
160,49 € *
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Antennas represent a critical technology in any of these wireless systems. Not only do they directly affect the received power of the system, they are also typically the largest and most visible part. Recently, the need for low-cost, low-profile, and lightweight antenna in the frequency range of the microwave/millimeter wave/THz band has regained momentum."Basic Principles of Fresnel Antenna Arrays" provides us a with the basics of the various Fresnel Antenna approaches, in order to achieve low-cost, low-profile, and lightweight antenna in the microwave/millimeter wave band. A potential solution of the antenna problem lies in using lens technology in an array. The Fresnel zone plate lens (FZPL) antenna is in particular an interesting candidate for the array element. The limiting focusing properties of FZPL including subwave length focus are described in detail. The book further presents a novel hexagonal FZPL antenna which can be more effectively packed in an array due to its shape.Before considering the hexagonal FZPL antenna in an array, the authors investigate two ideas, described as methods to potentially improve the radiation characteristics. The first idea is to change the reference phase of the Fresnel zone radii - a novel free parameter in the usual design of zone plate's lenses and antennas. To further improve the radiation characteristics of the hexagonal FZPL antenna, a technique involving Fresnel zone rotation is investigated.The book is of interest for designers of optical systems because, taking scaling effects into account, the characteristics of diffractive quasioptical elements are valid for diffractive focusing elements of integrated optics.

Anbieter: Dodax
Stand: 22.01.2020
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Basic Principles of Fresnel Antenna Arrays
164,99 € *
ggf. zzgl. Versand

Antennas represent a critical technology in any of these wireless systems. Not only do they directly affect the received power of the system, they are also typically the largest and most visible part. Recently, the need for low-cost, low-profile, and lightweight antenna in the frequency range of the microwave/millimeter wave/THz band has regained momentum."Basic Principles of Fresnel Antenna Arrays" provides us a with the basics of the various Fresnel Antenna approaches, in order to achieve low-cost, low-profile, and lightweight antenna in the microwave/millimeter wave band. A potential solution of the antenna problem lies in using lens technology in an array. The Fresnel zone plate lens (FZPL) antenna is in particular an interesting candidate for the array element. The limiting focusing properties of FZPL including subwave length focus are described in detail. The book further presents a novel hexagonal FZPL antenna which can be more effectively packed in an array due to its shape.Before considering the hexagonal FZPL antenna in an array, the authors investigate two ideas, described as methods to potentially improve the radiation characteristics. The first idea is to change the reference phase of the Fresnel zone radii - a novel free parameter in the usual design of zone plate's lenses and antennas. To further improve the radiation characteristics of the hexagonal FZPL antenna, a technique involving Fresnel zone rotation is investigated.The book is of interest for designers of optical systems because, taking scaling effects into account, the characteristics of diffractive quasioptical elements are valid for diffractive focusing elements of integrated optics.

Anbieter: Dodax AT
Stand: 22.01.2020
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Semantic Spectrum
29,90 € *
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High Quality Content by WIKIPEDIA articles! The semantic spectrum (sometimes referred to as the ontology spectrum or the smart data continuum or semantic precision) is a series of increasingly precise or rather semantically expressive definitions for data elements in knowledge representations, especially for machine use. At the low end of the spectrum is a simple binding of a single word or phrase and its definition. At the high end is a full ontology that specifies relationships between data elements using precise URIs for relationships and properties. With increased specificity comes increased precision and the ability to use tools to automatically integrate systems but also increased cost to build and maintain a metadata registry.

Anbieter: Dodax AT
Stand: 22.01.2020
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Fiber Optic Surface Modifications for Improved ...
36,90 € *
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Fiber optic - surface plasmon resonance (FO-SPR) instruments are powerful optical tools with great applicability in biosensing, mainly because they allow real-time quantification of biochemical interactions. Besides, they bring further advantages such as simplicity, portability and cost-effectiveness. These benefits came however with the price of a lower stability and sensitivity when compared to the bulky prism-based SPR platforms, motivating and fueling the general research framework captured in this book, i.e. to look for novel schemes of improving the innovative FO-SPR biosensing technology. In particular, this work connects technology-related elements with biochemical assays development, aiming the design of FO-SPR devices with improved performance and extended functionality, needed in the context of an increasing demand for low-cost, user-friendly and sensitive biosensors for various applications.

Anbieter: Dodax
Stand: 22.01.2020
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Fiber Optic Surface Modifications for Improved ...
38,00 € *
ggf. zzgl. Versand

Fiber optic - surface plasmon resonance (FO-SPR) instruments are powerful optical tools with great applicability in biosensing, mainly because they allow real-time quantification of biochemical interactions. Besides, they bring further advantages such as simplicity, portability and cost-effectiveness. These benefits came however with the price of a lower stability and sensitivity when compared to the bulky prism-based SPR platforms, motivating and fueling the general research framework captured in this book, i.e. to look for novel schemes of improving the innovative FO-SPR biosensing technology. In particular, this work connects technology-related elements with biochemical assays development, aiming the design of FO-SPR devices with improved performance and extended functionality, needed in the context of an increasing demand for low-cost, user-friendly and sensitive biosensors for various applications.

Anbieter: Dodax AT
Stand: 22.01.2020
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Autologous Platelet Concentrates in Dentistry
35,90 € *
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Regeneration of hard and soft tissue is mediated by a wide range of intra and extracellular events that are controlled by signaling molecules. In the past fewyears, the use of autologous platelet concentrates (PCs) has gained great popularity in a variety of fields such as dentistry, oral surgery, orthopedics, sports medicine, dermatology, ophthalmology, cosmetic and plastic surgery. Platelet concentrate preparations are now considered a life tissue with plenty of elements that could enhance regeneration. Owing to its easy ways of preparations and its low cost it is now a booming area of research and clinical applications. This book provide a simple explanation for different ways of its preparations and biological background behind each type.

Anbieter: Dodax
Stand: 22.01.2020
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