Feeding antennas with proper signals can be difficult. The signal is often described as a voltage, and voltages are not well defined in electromagnetic wave formulations. There are several tricks to model voltage generators in such situations, and one is the magnetic frill. This model shows the basic steps of defining a magnetic frill voltage generator for a dipole antenna, and it also compares the resulting antenna impedance with known results.
标签： difficult described antennas Feeding
上传时间： 2013-12-25
上传用户：yulg
The Schumann resonance frequencies are a set of eigenmodes in the extremely low frequency (ELF) portion of the electromagnetic field spectrum. These frequencies are only present for planetary-like bodies with a substantial ionosphere acting as a perfect electric conductor, thus forming a resonance cavity with the surface. In this example, the Schumann resonance frequencies for the Earth are calculated.
标签： frequencies eigenmodes resonance extremely
上传时间： 2014-12-09
上传用户：stella2015
Feeding antennas with proper signals can be difficult. The signal is often described as a voltage, and voltages are not well defined in electromagnetic wave formulations. There are several tricks to model voltage generators in such situations, and one is the magnetic frill. This model shows the basic steps of defining a magnetic frill voltage generator for a dipole antenna, and it also compares the resulting antenna impedance with known results.
标签： difficult described antennas Feeding
上传时间： 2013-12-21
上传用户：GavinNeko
Image enhancement in frequency domain using Fourier center frequency, Gaussian lowpass filter, Low pass filter, high pass filter. Image restoration using medean filter, weiner filter with noise generator such as Gaussian noise, Salt and Pepper noise
标签： frequency enhancement Gaussian Fourier
上传时间： 2017-08-24
上传用户：xinzhch
zigbee协议栈中MAC层中LOW-LEVEL的部分源代码，实现数据部分的通信功能，也给出了其相关定义
上传时间： 2017-08-24
上传用户：agent
X-MAC, a low power MAC protocol for wireless sensor networks (WSNs). Standard MAC protocols developed for duty-cycled WSNs such as BMAC, which is the default MAC protocol for TinyOS, employ an extended preamble and preamble sampling.
标签： MAC protocols Standard networks
上传时间： 2014-01-13
上传用户：王楚楚
Electronic curcuit for Data Logging Receiver Supply Voltage Monitor
标签： Electronic Receiver curcuit Logging
上传时间： 2017-08-29
上传用户：evil
Low Power ISM-Transceiver of Chipcon/Texas-Instruments. Contents of the library are CC1000, CC1000-UCSP, CC1020, CC1050, CC1100, CC1110, CC1150, CC2430, CC2500, CC2510, CC2511 and CC2550. Eagle Cadsoft Library
标签： Texas-Instruments ISM-Transceiver Contents Chipcon
上传时间： 2017-09-11
上传用户：llandlu
AVR single-chip developed by a very low threshold, as long as the computer will be able to study the development of AVR microcontroller. Only a single-chip ISP download beginners line, the editing, debugging of software programs through a direct line into the AVR microcontroller, which can develop AVR Series Single-chip package of a variety of devices. AVR single-chip microcomputer in the industry known as "front-line struggle to seize state power."
标签： single-chip developed threshold the
上传时间： 2017-09-12
上传用户：shinesyh
AVR single-chip developed by a very low threshold, as long as the computer will be able to study the development of AVR microcontroller. Only a single-chip ISP download beginners line, the editing, debugging of software programs through a direct line into the AVR microcontroller, which can develop AVR Series Single-chip package of a variety of devices. AVR single-chip microcomputer in the industry known as "front-line struggle to seize state power."
标签： single-chip developed threshold the
上传时间： 2013-12-09
上传用户：invtnewer
