A distinguishing feature of this book is its comprehensive treatment of "Wave Propagation." While many texts focus heavily on the hardware design of the antenna itself, Prasad dedicates substantial sections to the journey of the electromagnetic wave through various media. The detailed chapters on ground wave propagation, sky wave propagation, and space wave propagation are critical for understanding real-world communication challenges. The author’s explanation of the ionosphere and its influence on signal transmission—including concepts like Critical Frequency, Maximum Usable Frequency (MUF), and Skip Distance—is presented with a clarity that makes abstract phenomena tangible. This dual focus ensures that the reader understands not just how to build an antenna, but how the environment affects the signal it transmits.
Log-periodic antennas and Helical antennas (Normal and Axial modes).
The part of an antenna's impedance caused by the radiation of electromagnetic waves. antenna and wave propagation k.d. prasad pdf
A notable difference between the editions is the reduction in page count from the 3rd to the 4th edition, suggesting a more streamlined and potentially updated presentation of the material.
Elements are fed in phase, creating a radiation pattern perpendicular to the axis of the array. A distinguishing feature of this book is its
Balanis and Kraus are mathematically heavier than Prasad. If you struggled with electromagnetics, stick with Prasad.
"Antenna and Wave Propagation" by K.D. Prasad is a foundational engineering textbook covering electromagnetic theory, antenna design, and wave propagation mechanisms. It is known for its procedural clarity, offering detailed derivations of antenna parameters and in-depth analysis of antenna arrays, ground waves, and ionospheric propagation. For legitimate access, students are advised to utilize university libraries, e-book platforms, or authorized retailers. This dual focus ensures that the reader understands
Antenna Input Impedance and Polarization (Linear, Circular, Elliptical). Antenna Temperature and Signal-to-Noise Ratio (SNR). Array of two isotropic point sources. Broadside Array and End-Fire Array. Principle of Pattern Multiplication.
Antennas and Propagation - Khoury College of Computer Sciences