Cover -- Half-title -- Title -- Copyright -- Contents -- Preface -- Preface to first edition -- 1 Introduction -- 1.1 Linear antennas -- 1.2 Maxwell's equations and the potential functions -- 1.3 Power and the Poynting vector -- 1.4 The field of thin linear antennas: general equations -- 1.5 The field of the electrically short antenna -- directivity -- 1.6 The field of antennas with sinusoidally distributed currents -- radiation resistance -- 1.7 Impedance of antenna: EMF method -- 1.8 Integral equations for the current distribution -- 1.9 Direct numerical methods -- 2 An approximate analysis of the cylindrical antenna -- 2.1 The sinusoidal current -- 2.2 The equation for the current -- 2.3 Properties of integrals -- 2.4 Rearranged equation for the current -- 2.5 Reduction of integral equation to algebraic equation -- 2.6 Evaluation of coefficients -- 2.7 The approximate current and admittance -- 2.8 Numerical examples -- comparison with experiment -- 2.9 The radiation field -- 2.10 An approximate two-term theory -- 2.11 The receiving antenna -- 3 The two-element array -- 3.1 The method of symmetrical components -- 3.2 Properties of integrals -- 3.3 Reduction of integral equations for phase sequences to algebraic equations -- 3.4 The phase-sequence currents and admittances -- 3.5 Currents for arbitrarily driven antennas -- self- and mutual admittances and impedances -- 3.6 Currents for one driven, one parasitic antenna -- 3.7 The couplet -- 3.8 Field patterns -- 3.9 The two-term approximation -- 4 The circular array -- 4.1 Integral equations for the sequence currents -- 4.2 Sequence functions and array properties -- 4.3 Self- and mutual admittances -- 4.4 Currents and fields -- arrays with one driven element -- 4.5 Matrix notation and the method of symmetrical components -- 4.6 General formulation and solution.

5 The circuit and radiating properties of curtain arrays -- 5.1 Comparison of conventional and two-term theories -- 5.2 Two-term theory of curtain arrays -- 5.3 Example: the three-element array -- 5.4 Electronically scanned arrays -- 5.5 Examples of the general theory for large arrays -- 5.6 The special case when… -- 5.7 Summary -- 6 Arrays with unequal elements: parasitic and log-periodic antennas -- 6.1 Application of the two-term theory to a simple parasitic array -- 6.2 The problem of arrays with parasitic elements of unequal lengths -- 6.3 Application to the Yagi-Uda array -- 6.4 Evaluation of coefficients for the Yagi-Uda array -- 6.5 Arrays with half-wave elements -- 6.6 The far field of the Yagi-Uda array -- gain -- 6.7 Simple applications of the modified theory -- comparison with experiment -- 6.8 The three-element Yagi-Uda array -- 6.9 The four and eight director Yagi-Uda arrays -- 6.10 Receiving arrays -- 6.11 Driven arrays of elements that differ greatly in length -- 6.12 The log-periodic dipole array -- 6.13 Analysis of the log-periodic dipole array -- 6.14 Characteristics of a typical log-periodic dipole array -- 6.15 Frequency-independent properties of the log-periodic dipole array -- 6.16 Experimental verification of the theory for arrays of unequal dipoles -- 7 Planar and three-dimensional arrays -- 7.1 Vector potentials and integral equations for the currents -- 7.2 Vector potential differences and integral equations -- 7.3 Approximate distribution of current -- 7.4 Evaluation of coefficients -- 7.5 The field patterns -- 7.6 The general two-element array -- 7.7 A simple planar array -- 7.8 A three-dimensional array of twenty-seven elements -- 7.9 Electrical beam scanning -- 7.10 Problems with practical arrays -- 8 Vertical dipoles on and over the earth or sea -- 8.1 Introduction.

8.2 The complete electromagnetic field of a vertical dipole over the earth or sea with or without a coating -- 8.3 The field in the air in the intermediate range -- 8.4 The far field in the air -- 8.5 Base-driven and grounded monopoles -- 8.6 Vertical antennas on the earth for communicating with submarines in the ocean -- 8.7 High-frequency dipoles over the earth -- cellular telephone -- 8.8 Vertical dipoles over a two-layered region -- Vertical dipoles over asphalt-coated earth -- Vertical dipoles over the Arctic ice -- Vertical dipoles on microstrip -- 8.9 Propagation over the spherical earth -- 8.10 Conclusion -- 9 Dipoles parallel to the plane boundaries of layered regions -- horizontal dipole over, on, and in the earth or sea -- 9.1 Introduction -- 9.2 Horizontal traveling-wave antennas over earth or sea -- Beverage antenna… -- 9.3 The terminated insulated antenna in earth or sea -- 9.4 Arrays of horizontal and vertical antennas over the earth -- 9.5 Horizontal antennas over the spherical earth -- 9.6 Horizontal electric dipoles for remote sensing on and in the earth, sea, or Arctic ice -- 9.7 Horizontal electric dipoles and patch antennas on microstrip -- The dipole -- Patch antennas -- 10 Application of the two-term theory to general arrays of parallel non-staggered elements -- 10.1 Brief derivation of the formulas -- 10.2 The complete two-term theory formulas -- 10.3 Remarks and programming considerations -- 10.4 Alternative form for the solution and the case kh = Pi/2 -- 11 Resonances in large circular arrays of perfectly conducting dipoles -- 11.1 Introduction -- 11.2 The two-term theory and the modified kernel -- 11.3 Phase-sequence resonances -- 11.4 Behavior near a phase-sequence resonance -- 11.5 Radiation field at or near a phase-sequence resonance -- 11.6 Refinements for numerical calculations.

11.7 Resonant array with two driven elements -- Excitation of a traveling wave with two driven elements -- Choice of the parameters -- Far field of array in free space -- The array over the earth or sea -- Field of the array over earth or sea -- 11.8 Appendix: the various kernels for the circular array -- Case 1 -- Case 2 -- 12 Resonances in large circular arrays of highly conducting dipoles -- 12.1 Introduction -- 12.2 Integral equations -- 12.3 Two-term theory -- 12.4 Qualitative behavior -- Fixed-N array -- Fixed-m/N array -- 12.5 Numerical results -- 12.6 Field pattern -- 12.7 The effect of a highly conducting ground plane -- Introduction -- Outline of the procedure -- The effective monopole conductivity and numerical results -- Comparison of theory and experiment -- 12.8 Appendix: formulas for the large circular array of highly conducting dipoles -- 13 Direct numerical methods: a detailed discussion -- 13.1 Introduction -- 13.2 Properties of the integral equations -- 13.3 On the application of numerical methods -- The case of the exact integral equation -- The case of the approximate integral equation -- 13.4 Additional remarks -- Roundoff errors -- Exact integral equation: improvements -- Approximate integral equation: application of other numerical methods -- 13.5 Notes on arrays of cylindrical dipoles -- Resonant circular arrays of perfectly conducting dipoles -- 13.6 Appendix: the infinite antenna -- Integral equation and its solution -- Numerical method -- Numerical method: the case of the approximate integral equation -- The infinite antenna: summary -- 14 Techniques and theory of measurements -- 14.1 Transmission lines with coupled loads -- 14.2 Equivalent lumped elements for terminal-zone networks -- Symmetrical dipole as a load on two-wire lines -- Monopole over a ground plane fed by a coaxial line.

Change in conductor radius or spacing of two-wire lines or coaxial lines -- 14.3 Voltages, currents, and impedances of uniform sections of lines -- 14.4 Theoretical basis of impedance measurements -- Multiple-probe method -- Directional-coupler method -- Distribution-curve method -- Resonance-curve method -- 14.5 The measurement of self-and mutual impedance or admittance -- 14.6 Theory and properties of probes -- Charge or electric-field probes -- Current or magnetic-field probes -- 14.7 Construction and use of field probes -- 14.8 The measurement of sharp resonances in circular arrays -- The measurement procedure -- The experimental model [32] -- Appendix I Tables of…and self- and mutual admittances for single elements and circular arrays -- Notation -- Appendix II Tables of matrix elements…for curtain arrays -- Appendix III Tables of admittance and impedance for curtain arrays -- References -- Preface -- Preface to first edition -- Chapter 1 -- Chapter 2 -- Chapter 3 -- Chapter 4 -- Chapter 5 -- Chapter 6 -- Chapter 7 -- Chapter 8 -- Chapter 9 -- Chapter 11 -- Chapter 12 -- Chapter 13 -- Chapter 14 -- List of symbols -- Index.