... THE TURN OF THE SCREW by Henry James Prepared and Published by: Ebd E-BooksDirectory.com THE TURN OF THE SCREW The story had held us, round the fire, sufficiently breathless, but except the ... saw it, and she saw I saw it; but neither of us spoke of it I remember the time and the place? ?the corner of the lawn, the shade of the great beeches and the long, hot summer afternoon It wasn't ... particular sent them down to his other house, the proper place for them being of course the country, and kept them there, from the first, with the best people he could find to look after them, parting
Ngày tải lên: 29/04/2016, 21:59
... sequence, then any condition of weak dependence of the a-algebras SJJ1k J , Jnn+k can, in principle, be expressed in terms of the autocovariance function of the sequence, or of the spectral ... condition of and only if the a-algebras 9JIk ~, sufficiently large n k+n are independent for all Proof The sufficiency of the. .. If (2)-T(2)I E If the order of T (A) is then for N, ... representation of the form (17 1 3) In this representation the variables C; are limits in mean square of linear combinations of the X X , so that the vector (~ I , , ~„) is Gaussian Since the ~;
Ngày tải lên: 02/07/2014, 20:20
Radio Propagation and Remote Sensing of the Environment - Chapter 1 docx
... strength of various effects and demonstrate the importance of media parameters on the appearance of these effects, the possibility of detection of that or other effects against a background of noise ... into either the details of device construction or the algorithms of their data process- ing, as it is very difficult to do so within the limited framework of this book; therefore, only the principal ... Sensing of the Environment The essence of Kirchhoff’s approximation is that the field is equal to zero on the reverse side of the screen (reverse according to the incident...
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 2 pps
... relative to the components of an electric field, the conditions of the nontrivial solution require the determinant of the system to approach zero. The dispersion equation can be stated by the following ... Sensing of the Environment ω = ω′ 1+ β , 1− β (2. 93) which occurs when the frequency of the received wave is more than the frequency of the radiation In the opposite case of. ... The explanation of the plane wave concept provided above does not include all types of waves, as the form of a plane wave depends on the propagation media character- istics. The simplest is the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 3 ppsx
... wave vectors lie in the same plane as the vector of the incident wave. The wave vector of the reflected wave is: (3.4) and the wave vector of the refracted wave is: (3.5) The angle between vector ... assume for the sake of simplicity that the permittivity of the medium from where the wave originates is equal to unity. Air is an example of such a medium. The problem of a wave incident on the ground ... (3.37) is the reflection coefficient of the horizontally polarized waves from the interface of media 1 and 2, and (3.38) is the corresponding coefficient of the reflection from the interface of media
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 4 potx
... transparent from the physical point of view: Due to the law of energy conservation, the field amplitude changes together with changes in the cross section of the ray tube. The second condition of the geometrical ... are the coordinates of the initial ray point. The sign before the integral is chosen depending on the type of ray branch: the plus sign for the ascendant branch and the minus sign for the descendent ... Sensing of the Environment the equations of the zero-order approximation. Now we can easily show that the eikonal equation may be written down in the form: (4.4) The value: (4.5) represents the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 5 docx
... are the same Therefore, the average value of σ (t Σ ) is taken to be a measure of the scattering by the. .. scattering by the volume of particles in view of the body of the ... of the imaginary part of the permittivity is assumed; therefore, no sign of the module is seen in the formulae Nevertheless, the size of the sphere is set so large that the ... particular case of the second of these equations for small-sized particles Generally, the resonant members of these sums will be the largest, but the sum of the other members will
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 6 pps
... particularly, on the ratio of the roughness scales and the wavelength. The nature of the roughness varies depending on the type of surface. Sea surface roughness is a result of the interaction of the wind ... analyze the structure function of properties of the surface: (6.14) assuming statistical isotropy of the surface. It is usual to suppose in the case of a smooth surface that the first derivative of the ... doing so, the incident plane wave (more exactly, the source of the radiated wave) is the source for the field of the zero approximation. The fields of subsequent approaches are excited by the preceding
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 7 docx
... we have already shown, the integral in the last formula is estimated by the value of the order l z. It follows, then, that the scale of the mean field change along the wave propagation direction ... changes to the variables: (the first of these two equations is the equation of characteristics). As a result of these changes, the ordinary differential equation now can be written as: with the solution: ... by the value Consequently, the scale of the functional derivative change is the same. This scale is much larger than the turbulence scale as it is assumed that the phase fluctuation shift in the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 8 pdf
... (8.7) So, the intensity of the fluctuation field is determined by the value of the thermal losses of the diffraction field excited in the body by a unit current applied at the point where the fluctuation ... (Fraunhofer) zone of the antenna, and the antenna itself is in the Fraunhofer zone of the emitting body; therefore, the field of auxiliary dipole in the area of this body coincides ... Radio Thermal Radiation 8.1 EXTENDED KIRCHHOFF’S LAW The background of the thermal radiation theory of heated bodies will be discussed in this chapter. This radiation appears as the result of
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 9 pdf
... sources. One of them is the process of rescattering due to particles of radiation coming upon the considered volume from other (side) directions. The density of the flow incident within the solid ... itself in the inclusion of the dependence of all parameters on the only coordinate counted over the ray, in the inclusion of the propagation medium permittivity, and in the label itself — the ray ... within the angle given by the antenna directivity pattern. Because A e has the dimensionality of a square, another definition of ray intensity, as the spectral density of the power flow at the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 10 pptx
... of Remote Sensing The second part of this book is dedicated to the background of remote sensing by radio methods. The notion of remote sensing of the environment is usually understood as the ... polarization of the wave in the receiving antenna input, is the effective area of the receiving antenna at the j- th polarization, is the transmitter power at the i- th polarization, is the ... the numerical estimation of parameters of studied objects (e.g., not a question of what we see during a flight above the ocean, but rather determining the surface temperature of the water or the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 11 ppsx
... assume the absence of wave attenuation in the environment. In the future, we will generally restrict ourselves to the case of clouds as the subject of the study. They are distributed targets; therefore, ... where G is the main value of the. .. Tb (Ω) is the brightness temperature of the observed scene as a function of the solid body, T0 is the averaged temperature of the antenna ... equal to the mean value of the intensity itself due to the Gaussian character of the thermal fluctuations Hence, the radiometer must have a unit to determine the average of the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 12 ppt
... change of phase, polarization, and other radiowave parameters. Thermal microwave radiation is also the result of this interaction. The main focus of this chapter is on the neutral part of the atmosphere ... footprint of the spaceborne radiometer antenna is of the order of tens of kilometers The horizontal size of the rain can... Radio Propagation and Remote Sensing of the ... from the lower boundary to the upper one. Cumulus clouds have maximal reflectivity in the middle. The extent of the reflected signal and its change in shape depend on the type of cloud. All of these
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 13 ppsx
... possible. One of the simplest ways of overcoming these difficulties is based on determi- nation of the difference of the plane polarization angle turn by the change in the zenith angle of the satellite ... on the curve of the foreshortened cone crossing the surface of Earth, is applicable. Determination of the frequency shift of the scattered waves (due to Doppler effect) and the velocities of the ... reasonable due to the smallness of the total cross section. It is easy to define the theoretical possibility of a backscattering cross section, determined by the use of radar data, and then of the electron
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 15 (end) pot
... of the surface which is possible due to the high coherency of the radar system itself. The intensity of the summarized signals will depend on their phase difference, which occurs because of the ... condition, especially in the case of observation from space. This explains the great interest in soil moisture estimation on the basis of SAR data. The complexity of the radar signal returning from a rough ... L-band The universality of these parameters and their dependence on the incident angle is the subject of future investigation... Here, η is the degree to which vegetation covers the
Ngày tải lên: 11/08/2014, 21:21
Modeling phosphorus in the environment - Chapter 17 (end) pptx
... Georgia, Athens, GA CONTENTS 17. 1 Introduction 405 17. 2 Runoff 406 17. 3 Soil Phosphorus Pools and Model Parameters 406 17. 4 Leaching of Phosphorus 408 17. 5 Best Management Practices 409 17. 6 In-Stream ... that the correct amount of runoff from a watershed be estimated but also that the area where runoff is generated be identified. Combined with the areas that are sources of high concen- trations of ... al. (1995), the SCS curve number approach for estimating the amount of runoff is consistent with the VSA concept. Schneiderman (Chapter 12, this volume) describes a new version of the Groundwater
Ngày tải lên: 12/08/2014, 00:22
The turn of the screw
... me - at the tower. So there was another person out there, on the roof of the tower. But the person in the garden was not the ghost of the woman. It was little Miles. ... stood on the roof of the towetThere were two towers, one at each end of the roof. Each tower had a room inside, and you could climb out onto the roof from them; Flora ... strange or dangerous places - the roof of the tower, the other side of the lake. It's dangerous but exciting, for Flora and Miles. They'll try to get to those...
Ngày tải lên: 20/03/2014, 15:45
Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-THE ADVENTURES OF HUCKLEBERRY FINN CHAPTER 17 doc
... and they all went in a big parlor that had a new rag carpet on the floor, and got together in a corner that was out of the range of the front windows there warn't none on the side. They ... them tributes. The neighbors said it was the doctor first, then Emmeline, then the undertaker the undertaker never got in ahead of Emmeline but once, and then she hung fire on a rhyme for the ... out of the Presbyterian Observer, and write poetry after them out of her own head. It and nobody ever slept there. The old lady took care of the room herself, though there was plenty of niggers,...
Ngày tải lên: 24/12/2013, 16:15
A Companion to the History of Economic Thought - Chapter 17 pptx
... back to roots of Austrian marginalism found in Menger. 17. 2.4 The flow of value Another crucial component of Austrian marginalism is the discussion of the flow of value and the concept of “imputation.” ... determining the value of the outputs (the same direction as production), it was the value that human beings ascribed to the outputs that determined the value of the inputs. The value of the inputs ... Hence the value to this person of any portion of the whole available quantity of the good is equal to the importance to him of the satisfactions of the least importance among those assured by the...
Ngày tải lên: 06/07/2014, 02:20