Design of broadband vector sum phase shifters and a phased array demonstrator
Design of broadband vector sum phase shifters and a phased array demonstrator
... types of phased arrays: passive and active phased arrays In passive phased arrays, antenna elements have a central transmitter/receiver (T/R) and a power distribution network There is generally ... diagram of phased array demonstrator and the 360º VSPS .48 Figure 5-3: Photo of the phased array demonstrator .49 Figure 5-4: Photo of the DAC AD5390 control of...
Vector sum phase shifter using a quadrature magic t for application in polarization control
... substrate in the coupled line area of the quadrature Magic- T A thinner substrate will result in a width of the coupled line in the magic- T being too thin to be fabricated; a thicker substrate ... between the two outputs The key component in part A is the novel Quadrature Magic- T The unique feature of this Quadrature Magic- T is its capability to perform v...
QUASILINEAR CONTROL: Performance Analysis and Design of Feedback Systems with Nonlinear Sensors and Actuators pot
... the subtitle Performance Analysis and Design of Feedback Systems with Nonlinear Actuators and Sensors In view of the above, one may ask a question: If all feedback systems include nonlinear instrumentation, ... Quasilinear Control Performance Analysis and Design of Feedback Systems with Nonlinear Sensors and Actuators ShiNung Ching Mas...
Báo cáo hóa học: " Optimal Design of Noisy Transmultiplexer Systems Huan Zhou1 and Lihua Xie2" docx
... International Journal of Control, Automation and Systems, and Journal of Control Theory and Applications He is also a Member of the Editorial Board of IEE Proceedings on Control Theory and Applications ... and noise filtering design in transmultiplexer systems, ” Signal Processing, vol 43, no 1, pp 65–78, 1995 [16] Y.-M Cheng, B.-S Chen, and L.-M Chen, “Minimax deconv...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 2 potx
... point O2 on line B[B2 extended Bisect line segment B [B2 , and draw a circle of that radius about 02 Label the two intersections of the circle and B[B2 extended, A[ and A2 Measure the length of the ... seen that the designer will have little direct control over the location of the fixed pivots since they are one of the results of the synthesis process It...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 3 pot
... are then solved to find links and 3, and the appropriate vector components are added together to get the locations of fixed pivots Oz and 04 The link lengths are returned to the main part of program ... by the angles of the position vectors Zl and Zz The angle corresponds to the Equations 5 .31 can be solved using the approach of equations 5.27 and...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 4 pptx
... example link is the driver, and 8z and OOz are given for the "freeze frame" position shown We wish to solve for 0 04, the angular velocity of link 4, and also for the velocity of slip at the joint labeled ... 6-18 the axis of slip is shown to be tangent to the slider motion and is the line along which all sliding occurs between links and The axis of...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 5 pps
... the direction of motion (velocity) of the follower and the direction of the axis oftransmission.* When = 0, all the transmitted force goes into motion of the follower and none into slip velocity ... defined as the smallest circle which can be drawn tangent to the locus of the centerline of the follower as shown in Figure 8-39 The locus of the cente...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 6 potx
... stage of the design to accurately determine the best sizes and shapes of the parts We must estimate the masses of the links and other parts of the design in order to make a first pass at the calculation ... golf club In the case of our mallet example, a center of percussion at the head corresponds to a center of rotation near the end of the...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 7 potx
... by the driver (motor) and stored temporarily in the moving links, and the negative pulses of torque as energy attempting to return from the links to the driver Unfortunately most motors are designed ... than the peak torque We would like to provide some means to smooth out these oscillations in torque during the cycle This will allow us to size the motor to d...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 8 ppsx
... allow us to size the motor to deliver the average torque rather than the peak torque One convenient and relatively inexpensive means to this end is the addition of a flywheel to the system TORQUE ... by the driver (motor) and stored temporarily in the moving links, and the negative pulses of torque as energy attempting to return from the links to the...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 9 docx
... program These are noted in the text The student is encouraged to investigate these examples with program ENGINE in order to develop an understanding of and insight to the subtleties of this topic ... one to the other, in order to stagger the motions of the pistons in time It should be apparent from the discussion of shaking forces and balancing in the pre...
DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 10 docx
... diligently attempts to interpret the program's results and relate them to the relevant theory, a more thorough understanding of the kinematics and dynamics can result On the other hand, there is a great ... well as the magnitude and angle of the vector are displayed The programs also allow alternate presentations of polar plots, showing just the vectors, just...
Design of computationally efficient digital FIR filters and filter banks
... implementation of sharp filters and filter banks Section 1.1 and 1.2 give a brief review of these work CHAPTER Introduction 1.1 Literature Review I - Approaches of Designing Sharp FIR Filters Let a lowpass FIR ... viii List of Figures x List of Tables xv Introduction 1.1 1.1.1 Interpolated Finite Impulse Response (IFIR) Filters 1.1.2 1.2 Literature Review I - Approaches...
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- product of a vector and a scalar
- the product of a vector and a scalar is always a vector
- cross product of a scalar and a vector proof
- curl of product of a scalar and a vector proof
- product of a scalar and a vector proof
- product of a vector quantity and a scalar quantity
- dot product of a vector and a scalar