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We employ a strip connected between the metallic patch and an ACPW ground plane to introduce another frequency.
The present work, in Section 2, reformulates the Galerkin's method based spectral domain analysis (SDA) for a lossy anisotropic multilayer ACPW with finite strip thickness and finite conductivity.
The corresponding characteristics of resonant frequency, input impedance and bandwidth are a function of the geometrical parameters of the top-loading and ACPW structure, the configuration and dimensions of the proposed antenna are shown in Figure 1(c).
The geometry of the proposed ENG-TL unit cell based on ACPW structure is shown in Figure 1(b), where the epsilon negative characteristic of ENG-TL is induced by a shunt inductance of the meander line shorted to ground patch.
Rather than computing [[Psi].sub.E] for the ACPW, the ACPW structure is mapped into a simpler line for which it is easy to calculate [Mathematical Expression Omitted] using a conformal transform of the ACPW cross section (CS), that is, the CS can be mapped into a structure that has been readily modeled.
A strip on the upper side of the substrate, where the rest of the microstrip circuitry lies, is coupled to an asymmetrical coplanar waveguide (ACPW) on the bottom.
Active Power (NASDAQ: ACPW), a manufacturer of continuous power and infrastructure solutions, has announced its financial results for the fourth quarter of 2011.
Tickers featured: ACPW, APWR, BLDP, CAT, CESI, CVX, ENER, FCEL, GM, HMC, HYGS, IMGC, PLUG, PPL, SI, TM, UTX, VZ.
The asymmetrical coplanar waveguide (ACPW), shown in Figure 1, has been known as an alternative to the coplanar waveguide (CPW). Unlike the CPW, the ACPW has only one groundplane, thus saving space, and increasing the impedances that can be attained.
Active Power Incorporated (Active Power) (NASDAQ: ACPW), a company that deals with green critical power solutions and uninterruptible power supply (UPS) systems, has announced that its CleanSource(R) UPS product has met relevant energy saving criteria.
Active Power Inc (NASDAQ: ACPW), a manufacturer of critical backup power systems, reported on 23 March the receipt of an order for nearly two megawatts of its CleanSource UPS (uninterruptible power supply) systems from an unnamed blue chip manufacturer.
Each half behaves qualitatively similar to the transition shown in Figure 2b, where the CPW is replaced by an asymmetrical CPW (ACPW).
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