Zero Frequency

Zero Frequency PDF Author: Mabel Katz
Publisher:
ISBN: 9781733331722
Category : Self-Help
Languages : en
Pages : 280

Book Description
We are living in a time when many people are feeling the weight of the world on their shoulders, in the form of global and personal stress--financial challenges, illness, loneliness, depression, and lack of purpose. "Zero Frequency", by Mabel Katz, is an illuminating book that offers all struggling citizens of this planet a path out of turmoil and towards a life of happiness, peace, and abundance. As a lifelong practitioner and leading authority on Ho'oponopono, the ancient Hawaiian art of problem-solving, Mabel Katz's new book presents wisdom in a more practical and modern way--one that simultaneously speaks to the mind and heart, while also cutting through many of the mind traps and illusions that prevent us from experiencing truth. In this book, you will come to understand that "Zero Frequency" is a direct pipeline back to who we are--to our true essence. "Zero Frequency" is also a suspension of mind and thought that would allow us to return to the fullness of the Present Moment. Mabel calls this a return to our natural state of Zero--the limitless state that comes when we live in the Now--present, conscious, free of judgment--allowing our hearts to open to the wisdom that already lives within each of us. This book will lay down a concrete path to help its readers wake up and realize their potential. It is a book that is written with the unwavering belief that the more we help (and heal) ourselves, the more we help (and heal) the planet. Living from who we are is at the core of "Zero Frequency", a combination of gratitude, letting go, and practicing peace. "Zero Frequency" is like returning to our childhood, and the joy and innocence we have lost as time and age have buried who we are. Rediscovering this part of ourselves--our true self--is the pathway back to opening our hearts to abundance, peace, and joy. It is where all the answers to life's problems will be found. It is the heart and soul of "Zero Frequency".--Publisher.

Introduction to Digital Filters

Introduction to Digital Filters PDF Author: Julius Orion Smith
Publisher: Julius Smith
ISBN: 0974560715
Category : Digital electronics
Languages : en
Pages : 481

Book Description
A digital filter can be pictured as a "black box" that accepts a sequence of numbers and emits a new sequence of numbers. In digital audio signal processing applications, such number sequences usually represent sounds. For example, digital filters are used to implement graphic equalizers and other digital audio effects. This book is a gentle introduction to digital filters, including mathematical theory, illustrative examples, some audio applications, and useful software starting points. The theory treatment begins at the high-school level, and covers fundamental concepts in linear systems theory and digital filter analysis. Various "small" digital filters are analyzed as examples, particularly those commonly used in audio applications. Matlab programming examples are emphasized for illustrating the use and development of digital filters in practice.

High Frequency Techniques

High Frequency Techniques PDF Author: Joseph F. White
Publisher: John Wiley & Sons
ISBN: 111933604X
Category : Technology & Engineering
Languages : en
Pages : 718

Book Description
This textbook is an introduction to microwave engineering. The scope of this book extends from topics for a first course in electrical engineering, in which impedances are analyzed using complex numbers, through the introduction of transmission lines that are analyzed using the Smith Chart, and on to graduate level subjects, such as equivalent circuits for obstacles in hollow waveguides, analyzed using Green’s Functions. This book is a virtual encyclopedia of circuit design methods. Despite the complexity, topics are presented in a conversational manner for ease of comprehension. The book is not only an excellent text at the undergraduate and graduate levels, but is as well a detailed reference for the practicing engineer. Consider how well informed an engineer will be who has become familiar with these topics as treated in High Frequency Techniques: (in order of presentation) Brief history of wireless (radio) and the Morse code U.S. Radio Frequency Allocations Introduction to vectors AC analysis and why complex numbers and impedance are used Circuit and antenna reciprocity Decibel measure Maximum power transfer Skin effect Computer simulation and optimization of networks LC matching of one impedance to another Coupled Resonators Uniform transmission lines for propagation VSWR, return Loss and mismatch error The Telegrapher Equations (derived) Phase and Group Velocities The Impedance Transformation Equation for lines (derived) Fano's and Bode's matching limits The Smith Chart (derived) Slotted Line impedance measurement Constant Q circles on the Smith Chart Approximating a transmission line with lumped L's and C's ABCD, Z, Y and Scattering matrix analysis methods for circuits Statistical Design and Yield Analysis of products Electromagnetic Fields Gauss's Law Vector Dot Product, Divergence and Curl Static Potential and Gradient Ampere's Law and Vector Curl Maxwell's Equations and their visualization The Laplacian Rectangular, cylindrical and spherical coordinates Skin Effect The Wave Equation The Helmholtz Equations Plane Propagating Waves Rayleigh Fading Circular (elliptic) Polarization Poynting's Theorem EM fields on Transmission Lines Calculating the impedance of coaxial lines Calculating and visualizing the fields in waveguides Propagation constants and waveguide modes The Taylor Series Expansion Fourier Series and Green's Functions Higher order modes and how to suppress them Vector Potential and Retarded Potentials Wire and aperture antennas Radio propagation and path loss Electromagnetic computer simulation of structures Directional couplers The Rat Race Hybrid Even and Odd Mode Analysis applied to the backward wave coupler Network analyzer impedance and transmission measurements Two-port Scattering Parameters (s matrix) The Hybrid Ring coupler The Wilkinson power divider Filter design: Butterworth, Maximally flat & Tchebyscheff responses Filter Q Diplexer, Bandpass and Elliptic filters Richard's Transformation & Kuroda’s Identities Mumford's transmission line stub filters Transistor Amplifier Design: gain, biasing, stability, and conjugate matching Noise in systems, noise figure of an amplifier cascade Amplifier non-linearity, and spurious free dynamic range Statistical Design and Yield Analysis

Very Low Frequency (VLF) Phenomena

Very Low Frequency (VLF) Phenomena PDF Author: A. R. W. Hughes
Publisher: Alpha Science Int'l Ltd.
ISBN: 9788173194856
Category : Science
Languages : en
Pages : 390

Book Description
Contributed articles presented at the Workshop.

Physical Review

Physical Review PDF Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 604

Book Description
Vols. for 1903- include Proceedings of the American Physical Society.

The Estimation and Tracking of Frequency

The Estimation and Tracking of Frequency PDF Author: B. G. Quinn
Publisher: Cambridge University Press
ISBN: 1316584062
Category : Mathematics
Languages : en
Pages : 280

Book Description
Many electronic and acoustic signals can be modelled as sums of sinusoids and noise. However, the amplitudes, phases and frequencies of the sinusoids are often unknown and must be estimated in order to characterise the periodicity or near-periodicity of a signal and consequently to identify its source. This book presents and analyses several practical techniques used for such estimation. The problem of tracking slow frequency changes over time of a very noisy sinusoid is also considered. Rigorous analyses are presented via asymptotic or large sample theory, together with physical insight. The book focuses on achieving extremely accurate estimates when the signal to noise ratio is low but the sample size is large. Each chapter begins with a detailed overview, and many applications are given. Matlab code for the estimation techniques is also included. The book will thus serve as an excellent introduction and reference for researchers analysing such signals.

Radio Frequency Integrated Circuits and Systems

Radio Frequency Integrated Circuits and Systems PDF Author: Hooman Darabi
Publisher: Cambridge University Press
ISBN: 110719475X
Category : Technology & Engineering
Languages : en
Pages : 783

Book Description
Equips students with essential industry-relevant knowledge through in-depth explanations, practical applications, examples, and exercises.

Frequency Modulation Theory

Frequency Modulation Theory PDF Author: Jacques Fagot
Publisher: Elsevier
ISBN: 1483221814
Category : Technology & Engineering
Languages : en
Pages : 525

Book Description
Electronic and Instrumentation, Volume 11: Frequency Modulation Theory: Application to Microwave Links covers the theoretical principles of microwave beam technique. This five-chapter text particularly discusses the propagation of the waves used, frequency modulation, and noise and sundry distortions liable to arise either in the course of propagation, in the equipment, and in the methods used for the transmission of the information. Chapter 1 examines the transfer of the radio-frequency energy over a given path. This chapter describes the properties of propagation of radio waves, including metric, decimetric and centimetric, through the troposphere. Chapter 2 concerns all the general problems of frequency modulation, while chapter 3 deals with the propagation distortion, which is apparent in a variable-velocity guided transmission channel, and, which appears on an echoing path either in free space, or over a badly matched feeder. Chapter 4 discusses the complete problem of telephony and television transmissions over radio links. This chapter also considers in detail the requisite conditions for meeting the international standards. Chapter 5 deals with all the applied techniques, with an emphasis on radio link equipment. This book will be of great value to students and non-specialized and specialized engineers who wish to become familiar with microwave beam technique.
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