planning with a focus on the coastal zone

... Libertad: Tayabamba: Pias (Laguna) Peru: Region La Libertad: Bambamarca: Calemar Jamaica: Kingston AY359478 AY359498 Ameiva exsul SBH 190726 Puerto Rico: Guánica AY359480 AY359500 Ameiva fuscata ... (Duellman & Pramuk 1999, Brack 2004) The Huancabamba Depression in the Piura, Cajamarca, Amazonas and San Martin Regions is the major structural and physiographic break of the Andes consisting ... Tabaconas Located on both sides of the Rio Chamaya at about 6 km of the junction with the Rio Huancabamba Located about 7 km left of the Rio Mara on and about... Amazonas...

Ngày tải lên: 19/11/2015, 15:51

... viewed as a benefit to a couple who are desperate to have a boy but who are also desperate not to have a large family Nevertheless, at the national level, both the 2006 population change survey and ... complete enumeration, graphical analysis of the sex ratios at birth in the urban and rural sectors of each province show considerable variation, with some sectors having very low ratios and others very ... Reasons for this include pressure to adhere to the two-child policy coupled with a preference for sons and the ready availability of ultrasound and abortion The national sex ratio at birth as...

Ngày tải lên: 04/07/2023, 05:58

... varies and each has advantages and disadvantages Non-ionic surfactants are biodegradable, whilst paraffin and polyethylene waxes are nonbiodegradable Cationic surfactants have high aquatic toxicity ... Peninsular Malaysia 135 Mahyar Sakari VI Contents Chapter The Mass Distribution of Particle-Bound PAH Among Aerosol Fractions: A Case-Study of an Urban Area in Poland 163 Wioletta Rogula-Kozłowska, ... are characterised by higher acidity than the others The lower values of the saturation of adsorption complex by basic ions (S value) and the values of the rate of adsorption complex saturation...

Ngày tải lên: 28/06/2014, 08:20

... CCC AG-3¢) and hsbact -A5 -1046 (5¢-CAT CTG CTG GAA GGT GGA CA-3¢); b-galactosidase – b_Gal_F (5¢AAT CGT CTG ACC GAT GAT CC-3¢) and b_Gal_R (5¢-CGG ATA AAC GGA ACT GGA AA-3¢); and luciferase – Luci_F ... decreases the stability of the N-glycosidic bond in DNA This leads to an increased hydrolysis rate and to depurination in vitro [9] The resulting destabilization of the DNA may also incapacitate the ... transitions The detection limit for CEdGA,B was about 0.5 ngÆmL)1 in the solution that was injected into the HPLC The relative glycation rate was determined by the ratio of the peak area of CEdGA,B and...

Ngày tải lên: 30/03/2014, 04:20

... realizable [Nagatsuma et al (2004)] On the other hand, atmospheric attenuation has an advantage in the reduction of coverage range of the signal in military applications to avoid communication ... comparison with Si and GaAs are common, because of the importance of these common materials So, in general a WBG semiconductor is classified as a material with a bandgap at least twice the bandgap ... and other weapons in a manner that is noninvasive and fast Terahertz sensing provides advantages to short-range radar sensing, as they can penetrate through fog further than optical radiation The...

Ngày tải lên: 21/06/2014, 06:20

... Linearization Based On Digital Predistortion In Mobile Wimax Application 175 x DEMONSTRATION OF A POWER AMPLIFIER LINEARIZATION BASED ON DIGITAL PREDISTORTION IN MOBILE WIMAX APPLICATION Pooria Varahram, ... that with applying this method all the memory contents of the power amplifier especially the one that cause dynamic AM/AM and AM/PM are compensated Simulation and results are examined based on ... a feedback path consisting of a demodulator, analog to digital converter (ADC) and adaptation circuit for updating the LUT The block diagram assumes that all components of the system except the...

Ngày tải lên: 21/06/2014, 06:20

... Reflector Antenna Design and Analysis Software (SRADAS) based on MATLAB applied for two practical Radar antennas shows that SRADAS can be used for all shaped reflector antennas with large dimensions ... variables u and v The main equations are prepared to analyze a paraboloidal reflector and to compute the radiation characteristics Moreover, SRADAS can be applied to all shaped reflector antennas with ... integrated over the aperture plane by FFT to yield the far-field radiation pattern and to calculate other antenna parameters Shaped Reflector Antenna Design and Analysis Software (SRADAS) based on this...

Ngày tải lên: 21/06/2014, 06:20

... feed the metamaterial transmission line by coaxial lines Since the metamaterial transmission line has a good performance and may tolerance the amplitude and phase variation, the requirement on the ... available The interdigital capacitors are replaced by lumped capacitors, e.g ATC chip capacitors With chip capacitors, a higher series capacitance is easier to reach, and the metamaterial transmission ... antenna based on metamaterial transmission lines The novel leaky-wave antenna is designed on the metamaterial transmission line The antenna comprises 30 elements, and the total size with the integrated...

Ngày tải lên: 21/06/2014, 06:20

... levels In fact, considering the active device as the parallel connection of a perfect switch and the parasitic capacitance Cds, the higher voltage harmonics are practically shorted by Cds and only ... implementation based on the use of a quarterwavelength transmission line (/4-TL) and a parallel resonating L0-C0 tank to control the harmonic impedances The optimum matching at fundamental frequency ... for the current waveform a truncated sinusoidal wave shaping, with a conduction angle (CCA)  larger than  (Class AB), while maintaining a square voltage waveform In this case the corresponding...

Ngày tải lên: 21/06/2014, 06:20

... in antenna measurements and/or calibrations However, there are also several problems that are associated with these approximations First, approximations (7) and (8) are based on the shape of the ... ratio of the maximum antenna radiation intensity, i e A, to the radiation intensity averaged over all directions, i e Aomni: Gmax  A Aomni  4 A  A  Gmax 4 (4) Based on (2) and (4) one can ... i and j stand for any of aperture illuminations (12) – (14) For example, the rectangular aperture illumination that is the “Polynomial -on- Pedestal” along the X-axis and is the Gaussian one along...

Ngày tải lên: 21/06/2014, 06:20

... to fabricate than the holographic axicon Fig 15 The design process of a binary axicon (a) A bulk axicon (b) An axicon removed the unwanted material (red part) (c) An equivalent binary axicon with ... that the propagation distance of the J beam is greater than that of the Gaussian beam, under the condition of the same initial total power and central peak intensity on the same initial aperture ... is the scalar Green’s function Let us assume that on the incident plane ( z '  ) we have a J beam and a Gaussian beam, polarized in the x direction and propagating in the z direction They are...

Ngày tải lên: 21/06/2014, 06:20

... of the airborne weather radar are detection and visualization of runways at approach landing as well as visualization of taxiways and obstacles on the taxiway at taxiing Certainly, not all of the ... some altitude H above the mean sea surface, the antenna have the same beamwidth a in both the vertical and horizontal planes, forming a glistening zone on the sea surface, and then transmit a short ... superimposed on large gravity waves on the sea surface Smallscale sea waves of a length approximately one half the radar wavelength are in Bragg resonance with an incident electromagnetic wave At incidence...

Ngày tải lên: 21/06/2014, 06:20

... from Satellite Sensors 555 2.2 The Radiative Transfer Equation The radiative transfer equation is a mathematical description of the spatial-angular distribution of monochromatic radiation intensity ... radiation I0 and an exponential decreasing law of incoming radiation into the medium; the integral term expresses the radiation variation emitted from the surface at the temperature T along the ... which, at a certain instant t and at the frequency band ν, propagates into a medium across cross section A, in the observation direction Ω along the path s The intensity of radiation varies while...

Ngày tải lên: 21/06/2014, 06:20

... terrestrial path causes the rain attenuation as a result of the absorption and scattering of electromagnetic waves by rain particles The rain attenuation depends on the frequency and polarisation, the ... into parts international and national portions with different quality/availability criteria The national portion is further subdivided into long haul, short haul and access portions, again with ... between outages Mo The availability ratio AR is the proportion of time that a path is in an available state during an observation period The AR is calculated by dividing the total available time...

Ngày tải lên: 21/06/2014, 06:20

... 6.2 Monthly and annual statistics of rain attenuation The obtained monthly and yearly CDs of attenuation due to rain only at 38 319.75 MHz with V polarization on a path length of about 9.3 km are ... calculated yearly CDs of attenuation due to rain only The values of the measured attenuation due to rain only at 38 GHz are smaller than the calculated ones up to about dB These differences can ... of the CDs of attenuation due to rain only caused by the large month-to-month variability of rain intensities can be observed once again The CDs of attenuation due to rain only at the 58 GHz path...

Ngày tải lên: 21/06/2014, 06:20

... oscillation radiation are shown to be much weaker than the dipole oscillation radiation and surface wave radiation The same investigations of a plasma dielectric antenna with other design was also ... in a wide range up to 105 GHz The energy of the plasma radiation such as electron cyclotron radiation, pulse oscillation radiation, sequence dipole oscillation radiation, and surface wave radiation ... phased array antennas for radars and electronic warfare applications GaAs based hybrid and MMIC amplifiers are used The early applications of millimeter-wave MMICs were in military, space and astronomy...

Ngày tải lên: 21/06/2014, 10:20

... RFmicrowave applications 49 bandwidth decrease and even disappearance of the attenuation band (Fig 13 b when all the resonators are activated) This concept was already applied (Givernaud et al., ... resonators dimensions etc.) was done in such a way that the absorption band of the activated resonator would be then shifted far away from the operation frequency band of the filter The response ... Pechacek, R.E., and Raleigh, M (1984) On the Feasibility of Using an Atmospheric Discharge Plasma as an RF Antenna IEEE Transactions on Antennas and Propagation, Vol AP-32 No.2, pp.78-83 Alexeff,...

Ngày tải lên: 21/06/2014, 10:20

... realizable [Nagatsuma et al (2004)] On the other hand, atmospheric attenuation has an advantage in the reduction of coverage range of the signal in military applications to avoid communication ... comparison with Si and GaAs are common, because of the importance of these common materials So, in general a WBG semiconductor is classified as a material with a bandgap at least twice the bandgap ... and other weapons in a manner that is noninvasive and fast Terahertz sensing provides advantages to short-range radar sensing, as they can penetrate through fog further than optical radiation The...

Ngày tải lên: 21/06/2014, 10:20

... Linearization Based On Digital Predistortion In Mobile Wimax Application 175 x DEMONSTRATION OF A POWER AMPLIFIER LINEARIZATION BASED ON DIGITAL PREDISTORTION IN MOBILE WIMAX APPLICATION Pooria Varahram, ... that with applying this method all the memory contents of the power amplifier especially the one that cause dynamic AM/AM and AM/PM are compensated Simulation and results are examined based on ... a feedback path consisting of a demodulator, analog to digital converter (ADC) and adaptation circuit for updating the LUT The block diagram assumes that all components of the system except the...

Ngày tải lên: 21/06/2014, 10:20

... Reflector Antenna Design and Analysis Software (SRADAS) based on MATLAB applied for two practical Radar antennas shows that SRADAS can be used for all shaped reflector antennas with large dimensions ... variables u and v The main equations are prepared to analyze a paraboloidal reflector and to compute the radiation characteristics Moreover, SRADAS can be applied to all shaped reflector antennas with ... integrated over the aperture plane by FFT to yield the far-field radiation pattern and to calculate other antenna parameters Shaped Reflector Antenna Design and Analysis Software (SRADAS) based on this...

Ngày tải lên: 21/06/2014, 10:20