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microwaves radio frequency and ultrasound

radio frequency and microwave communication circuits

radio frequency and microwave communication circuits

Kĩ thuật Viễn thông

... as radio and television, RF and microwaves are being used in cordless phones, cellular communication, local area networks (LANs), and personal communication systems (PCSs) Keyless door entry, radio ... chapters and seven appendices, using a topdown approach It begins with an introduction to frequency bands, RF and microwave devices, and applications in communication, radar, industrial, and biomedical ... next to synthesize Butterworth- and Chebyshev-type low-pass ®lters It includes impedance and frequency scaling techniques to realize high-pass, band-pass, and band-stop networks The chapter concludes...
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iec 60092-375 ship board telecommunication cables and radio-frequency cables - general instrumentation, control and communication cables

iec 60092-375 ship board telecommunication cables and radio-frequency cables - general instrumentation, control and communication cables

Điện - Điện tử

... telecommunication cables and radio- frequency cables GENERAL INSTRUMENTATION, CONTROL AND COMMUNICATION CABLES Scope and object This standard applies to shipboard general instrumentation, control and communication ... used in the meantime Radio- frequency Cables, Part 1: General Requirements and Measuring Methods 96- : 189- : 228: 332: 344: Low -frequency Cables and Wires with P.V.C Insulation and P.V.C Sheath, ... communications, commandes et mesures, d'usage gộnộral Electrical installations in ships Part 375: Shipboard telecomm unication cables and radio- frequency cables General instrumentation, control and communĂcation...
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Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system doc

Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system doc

Sức khỏe phụ nữ

... parameters, and wrote the manuscript; PAD, CMG, RCG, and TSG designed, performed or analyzed in vitro ultrasound experiments, MGO, PAD, GJM and DCS analyzed data and directed Pilot Studies and Study ... scrotum and allowed ultrasound to be efficiently transmitted from the transducer to the scrotum; ultrasound passed through the scrotum and was absorbed by the testes Pilot study 2: increased power and ... to the start of ultrasound treatment and continued for one minute after the conclusion of ultrasound treatment to record pre- and posttreatment baseline temperatures Sperm count and motility were...
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dye, n. (2000). radio frequency transistors - principles and practical applicat

dye, n. (2000). radio frequency transistors - principles and practical applicat

Điện - Điện tử

... of frequency and are plotted on a Smith Chart and/ or given in tabular form It should be noted that Zin and Zout apply only for a specified set of operating conditions, that is, Po, Vcc, and frequency ... difference in gain at the high and low end of the frequency band of the amplifier Flatness, on the other hand, is defined as the deviation (at any frequency in the band) from an ideal gain, which ... Reg46 Radio Frequency Transistors The frequency band requirements of a CATV amplifier are determined by the number of channels used in the CATV system Each channel requires MHz bandwidth (to handle...
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Advanced Radio Frequency Identification Design and Applications Part 1 ppt

Advanced Radio Frequency Identification Design and Applications Part 1 ppt

Kĩ thuật Viễn thông

... Nai-Wei Lo and Kuo-Hui Yeh Chapter 15 Design and Implementation of a Multi-protocol UHF RFID Tag Simulation Platform 269 Bo Zhang, Dongkai Yang and Qishan Zhang 259 207 Preface Radio Frequency ... focuses on new and advanced applications of radio frequency identification The second section starts with one of the most common applications of RFID – privacy and product maintenance and tracking ... data transmission and reception technique for applications including automatic identification, asset tracking and security surveillance As barcodes and other means of identification and asset tracking...
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Advanced Radio Frequency Identification Design and Applications Part 2 potx

Advanced Radio Frequency Identification Design and Applications Part 2 potx

Kĩ thuật Viễn thông

... wrap and Teflon sheet between the tag and the aluminum plate The Teflon sheet is hard and its thickness at 0.97mm is very close to the 1mm 26 Advanced Radio Frequency Identification Design and Applications ... the chip and the tag antenna is very + − − + short (its length is nearly zero), hence, V0 = V2 and V0 = V2 Then Equation 43 becomes 20 Advanced Radio Frequency Identification Design and Applications ... output impedance of the tag antenna (Dobkin and Weigand, 2005; Prothro et al., 2006) Nikitin and Rao (December 2006) introduced a new method in describing and measuring the backscattered power from...
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Advanced Radio Frequency Identification Design and Applications Part 3 pptx

Advanced Radio Frequency Identification Design and Applications Part 3 pptx

Kĩ thuật Viễn thông

... curve at a resonant frequency of 900 MHz and 50 Ω reference impedance port as shown in Fig Fig The proposed fractal dipole antenna (P3) (Salama and Quboa, 2008a) 36 Advanced Radio Frequency Identification ... resonant frequency of 900 MHz and simulated using IE3D software The simulated results concerning Return Loss (RL), impedance, gain and read range (r) are tabulated in Table 38 Advanced Radio Frequency ... RL of (-12.6) dB given in Table for (S3-60°) 42 Advanced Radio Frequency Identification Design and Applications (a) Frequency (MHz) (b) Frequency (MHz) Fig 20 Measured RL for the fabricated antenna:...
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Advanced Radio Frequency Identification Design and Applications Part 4 pot

Advanced Radio Frequency Identification Design and Applications Part 4 pot

Kĩ thuật Viễn thông

... Advanced Radio Frequency Identification Design and Applications Salama A M A., (2010) Antennas of RFID Tags, Radio Frequency Identification Fundamentals and Applications Design Methods and Solutions, ... intersystem and intra-system interference, as 52 Advanced Radio Frequency Identification Design and Applications it operates in the ISM bands (Industrial Scientific and Medical), free bands Many ... radiation patterns and polarization are studied and presented 64 Advanced Radio Frequency Identification Design and Applications Antenna configuration and basis 2.1 UFH RFID meander-line antenna...
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Advanced Radio Frequency Identification Design and Applications Part 5 pptx

Advanced Radio Frequency Identification Design and Applications Part 5 pptx

Kĩ thuật Viễn thông

... D)2 (3.15) To clarify the frequency dependence, we divide the numerator and denominator of Eq (3.15) by λ2 and obtain 88 Advanced Radio Frequency Identification Design and Applications 600π D 19.7 ... parameters (N, D, and H) is explained by taking into account Eq (3.6) The relation between XL and H is determined on the basis of 84 Advanced Radio Frequency Identification Design and Applications ... by (2) As EIRPR =1W, Pchip= -13dBm and G = 1.62dBi, d max =33 m is obtained by (1) Fig 13 Impedance locus 72 Advanced Radio Frequency Identification Design and Applications PART NUMBER RI-UHF-STRAP-08...
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Advanced Radio Frequency Identification Design and Applications Part 6 potx

Advanced Radio Frequency Identification Design and Applications Part 6 potx

Kĩ thuật Viễn thông

... thickness is T, and the size of the metal plate is M The spacing between the antenna and the metal plate is S The equivalent electric and magnetic currents are I and J, respectively Eθ and Eφ correspond ... Antenna input impedance 94 Advanced Radio Frequency Identification Design and Applications 3.0 VSWR 2.5 0.30 MHz 2.0 0.30 MHz 1.5 Simu Meas 1.0 314.6 314.8 315.0 315.2 Frequency [MHz] 315.4 Fig 3.19 ... the capacitive and inductive elements are commercialized as small circuit units These units have appreciable ohmic resistances 96 Advanced Radio Frequency Identification Design and Applications...
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Advanced Radio Frequency Identification Design and Applications Part 7 pdf

Advanced Radio Frequency Identification Design and Applications Part 7 pdf

Kĩ thuật Viễn thông

... Advanced Radio Frequency Identification Design and Applications 20% A scaling factor of 0.7 then reduces the size of the particle by 30% and so on The equivalent circuit and resonant frequency ... reader The IC collects power 116 Advanced Radio Frequency Identification Design and Applications and timing information from the electromagnetic field and sends proper backscattered messages to ... except the ring slots take a meander route between ports a and b and not a circular route as in the OCSRR particle This meander route results in a much lower resonant frequency for over all dimensions...
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Advanced Radio Frequency Identification Design and Applications Part 9 pot

Advanced Radio Frequency Identification Design and Applications Part 9 pot

Kĩ thuật Viễn thông

... interference and thus increase the reading range (Hartmann et al, 2004) 152 Advanced Radio Frequency Identification Design and Applications Conclusion In this chapter we have presented the development and ... Kaklamani, A A Alexandridis, F Lazarakis, K Dangakis (2006), “Circular and elliptical CPW-Fed slot and microstri-fed antennas for ultrawideband applications”, IEEE Antennas and Wireless Propagation ... only the power supply and the transmitting section of the RFID IC is exposed to the outside world and potential ESD damage 160 Advanced Radio Frequency Identification Design and Applications Explicit...
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Advanced Radio Frequency Identification Design and Applications Part 10 pdf

Advanced Radio Frequency Identification Design and Applications Part 10 pdf

Kĩ thuật Viễn thông

... k = M( seed T ∗ ), x = P ( k) and seed Ti = M( k) x ← −−−− − send x else choose random number rand calculate s = M( seed Ti ) and m = P ( s ) rand ← −−−− − send rand with probability λ if m = ... the IDs of readers And Protocol and Protocol not provide forward secrecy for such a reason as mentioned in section 4.1 184 Advanced Radio Frequency Identification Design and Applications Tag ... Hwang2 and Dong Hoon Lee3 Graduate School of Information Management and Security,Korea University Electronics and Telecommunications Research Institute (ETRI) Republic of Korea Introduction Radio frequency...
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Advanced Radio Frequency Identification Design and Applications Part 11 docx

Advanced Radio Frequency Identification Design and Applications Part 11 docx

Kĩ thuật Viễn thông

... partitions, 204 Advanced Radio Frequency Identification Design and Applications Fig 14 The error variance and the minimum error variance of single power case Fig 15 The error variance and the minimum ... large work area and the many mobile robots When the numbers of fixed nodes and mobile robots are increased, the localization takes longer time due to the arbitration processes The radio- frequency- based ... the landmarks, and distortion of the terrestrial magnetism Vision-based localization systems suffer from illumination and color changes, bad focused images, image distortions, motion bluer and...
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Advanced Radio Frequency Identification Design and Applications Part 12 ppt

Advanced Radio Frequency Identification Design and Applications Part 12 ppt

Kĩ thuật Viễn thông

... pseudorandom tag arrangement exhibit randomness to some extent without increasing the difficulty in installation Fig Random tag arrangement: a) random pattern and b) random arrangement Pseudorandom ... Sensors and Methods for Mobile Robot Positioning, The University of Michigan 220 Advanced Radio Frequency Identification Design and Applications Finkenzeller, K (2000) RFID handbook: Fundamentals and ... arrangement 216 Advanced Radio Frequency Identification Design and Applications Fig shows one solution to the Sudoku puzzle and the corresponding tag arrangement Compared to the random tag arrangement...
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Advanced Radio Frequency Identification Design and Applications Part 13 docx

Advanced Radio Frequency Identification Design and Applications Part 13 docx

Kĩ thuật Viễn thông

... Example frequency- domain plots are shown in 242 Advanced Radio Frequency Identification Design and Applications Figure 16 The left and right vertical yellow cursors are positioned at 120 and 130 ... tag on a munition 240 Advanced Radio Frequency Identification Design and Applications Evaluation and testing Experimental efforts involved the design, fabrication, and tuning of the custom coil ... be on the “underneath” side of the tag and still, be detectable 232 Advanced Radio Frequency Identification Design and Applications The basic behavior and orientation of the magnetic fields...
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Advanced Radio Frequency Identification Design and Applications Part 14 ppt

Advanced Radio Frequency Identification Design and Applications Part 14 ppt

Kĩ thuật Viễn thông

... schemes Reference [1] 860 MHz – 930 MHz Class Radio Frequency Identification Tag Radio Frequency and Logical Communication Interface Specification Candidate Recommdation Version 1.0.1, Auto-ID ... 2005 [11] K Finkenzeller, RFID Handbook: Radio- Frequency Identification, Fundamentals and Applications, John Wiley & Sons Ltd, 1999 [12] Information Technology -Radio Frequency Identification for ... structure) In Fig 6, BS-CM (0.5q) and BS-CM (q) both show performance improvement by eliminating 264 Advanced Radio Frequency Identification Design and Applications 4.8%-6.2% and 6%-10% of total transmitted...
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Advanced Radio Frequency Identification Design and Applications Part 15 pdf

Advanced Radio Frequency Identification Design and Applications Part 15 pdf

Kĩ thuật Viễn thông

... as follows, 278 Advanced Radio Frequency Identification Design and Applications 1st 32bit are protocol control and tags number; 2nd and 3rd 32 bit are command data; And the last 3*32bit are reserved ... cos(ωt ) (1) 276 Advanced Radio Frequency Identification Design and Applications The local in-phase and quadrature carrier are cos(ωt + ϕ ) and sin(ωt + ϕ ) out _ I and out _ Q are as follows ... Advanced Radio Frequency Identification Design and Applications In this chapter, a tag simulator which can emulate the ISO/IEC 18000-6 type B and type C tags is introduced, and the parameters and...
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Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 1 potx

Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 1 potx

Kĩ thuật Viễn thông

... of low frequency systems, and reduce the effective radiated power for systems operating in the range of ultra-short waves and microwaves 4 Radio Frequency Identification Fundamentals and Applications, ... placed in a group of radio equipment devices and they use allocated band in respective frequency range (Fig 2) ETSI EN 300 330 -1 V1.5.1:2006 Electromagnetic compatibility and Radio spectrum Matters ... Kachouri Abdennaceur, Andrieux Laurent and Samet Mounir MAC Protocols for RFID Systems 073 Marco Baldi and Ennio Gambi Stochastical Model and Performance Analysis of Frequency Radio Identification...
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Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 2 potx

Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 2 potx

Kĩ thuật Viễn thông

... Electromagnetic compatibility and Radio spectrum Matters (ERM); Short Range Devices (SRD); Radio equipment in the frequency range kHz to 25 MHz and inductive loop systems in the frequency range kHz to ... characteristics and test methods V1.5.1 ETSI EN 300 330-2 (2006) Electromagnetic compatibility and Radio spectrum Matters (ERM); Short Range Devices (SRD); Radio equipment in the frequency range ... article surveillance, radio frequency identification and similar systems, IEC Jankowski-Mihułowicz, P.; Kalita, W (2009) Efficiency of Tag Antenna Unit in Anticollision Radio Frequency Identification...
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