搜索结果: 1-8 共查到“phased array”相关记录8条 . 查询时间(0.257 秒)
Integrated CMOS IQ Upconverter/Downconverter for an X-Band Phased-Array Radar Application
RF CMOS X-Band Quadrature Conversion Injection Locking Quadrature Coupling Inegrated Mixer
2014/12/8
This thesis describes the design and measurement of an X-band IQ up/down converter that has been fabricated on a 180nm RF CMOS process. This converter includes components for mixing, frequency doublin...
Bi-Directional Vector Variable Gain Amplifier for an X-Band Phased Array Radar Application
variable gain phased array complex gain bi-directional amplifier quadrature
2014/12/8
This thesis presents the design, layout, and measurements of a bi-directional amplifier with variable vector (in-phase / quadrature) gain control that will be part of an electronically steered phased ...
Deployment and Monitoring of an X-Band Dual-Polarization Phased Array Weather Radar
Phased array Weather radar
2014/12/8
This thesis describes the deployment of MIRSL's X-band dual-polarization Phase-Tilt Weather Radar (PTWR) at the University of Texas at Arlington during spring 2014. While this radar has been used to o...
Design of Non-Uniform Linear Array via Linear Programming and Particle Swarm Optimization and Studies on Phased Array Calibration
linear array linear programming particle swarm optimization side lobe level phased array calibration
2014/12/8
For a linear array, the excitation coefficients of each element and its geometry play an important role, because they will determine the radiation pattern of the given array. Side Lobe Level (SLL) is ...
BEAM STEERING CONTROL SYSTEM FOR LOW-COST PHASED ARRAY WEATHER RADARS: DESIGN AND CALIBRATION TECHNIQUES
Phased Arrays Electronically scanned antennas Radars T/R modules Phased array calibration Radar Calibration
2014/11/7
Phase array antennas are a promising technology for weather surveillance radars. Their fast beam steering capability offer the potential of improving weather observations and extending warning lead ti...
Spaced-Antenna Wind Estimation Using an X-Baand Phased-Array Weather Radar
Pure sciences Earth sciences Wind estimation Phased-array Weather radar Signal processing
2014/11/7
Over the past few decades, several single radar methods have been developed to probe the kinematic structure of storms. All these methods trade angular-resolution to retrieve the wind-field. To date, ...
A 63 element 1.75 dimensional ultrasound phased array for the treatment of benign prostatic hyperplasia
A 63 element 1.75 dimensional ultrasound phased array benign prostatic hyperplasia
2010/3/1
In this paper, the design, construction and evaluation of a 1.75 dimensional ultrasound phased array to be used for treating prostate cancer and benign prostatic hyperplasia is presented. With this ar...
Broadband Wireless Access With Optically Controlled Phased Array Antennas
Broadband Wireless Access Phased Array Antennas
2010/7/15
The rapid extension of communication requires systems having higher transmission capacity and lower infrastructure cost than is currently the case. For terrestrial communication, a very promising way ...