References in periodicals archive ?
Ralph, Gee-Kung Chang, (2013), Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 Km transmission based on optical comb in standard single-mode fiber Optical Engineering, 52(11).
It is a quite complicated task to analytically solve the problem of the influence of amplitude modulation on the IpDFT as it should use at least 5 bins since there are 4 factors to calculate (the signal frequency, the modulation index, the amplitude modulation phase and frequency).
For an m-level inverter, the amplitude modulation term [m.sub.a] and the frequency modulation term [m.sub.f] can be described as:
He said: "DECC has recognised that amplitude modulation (AM) noise produced by wind turbines can be a cause of concern for some residents.
In the following the basic structure is modified to obtain a wider selection for amplitude modulation or to achieve a flat band response without the use of grazing angles.
With the introduction of 256 quadrature amplitude modulation (QAM), which allows more bits to be encoded in a single symbol, an eventual 160 MHz channel bandwidth and a maximum of eight spatial streams, 802.11ac will immediately support gigabit Wi-Fi with the potential to more than quadruple speeds when next generation products become available.
In particular, the VAM technique involves monitoring of the amplitude modulation of a high-frequency ([f.sub.H]) vibration field transmitted through a cracked specimen undergoing an additional low-frequency ([f.sub.L]) structural vibration (typically one of the first structural modes).
There are two parameters/indices to describe the modulation: ma is the amplitude modulation index; and is the frequency ratio, also known as chopping ratio.
The PICC consumes the energy generated by the PCD in order to gather the energy needed to operate; this energy consumption has the same reactive effect on the PCD as a voltage amplitude modulation. This effect is used to transfer data from the PICC to the PCD by changing the resistive load in the PICC according to the transmitted data bit (0 or 1).
Claiming to have seen the auction, he said it was the only radio that had been broadcasting on Amplitude Modulation (AM) bandwidth in Paktika, informing residents of the situation across Afghanistan and the world.
By combining the iPASOLINK indoor unit with 2048 Quadrature Amplitude Modulation (QAM) technology, the new ODU can deliver up to 1Gbps long distance transmission without data compression.
Thus, like amplitude modulation, low frequency noise is never predicted to occur at any site.
Now Banks has applied to have the "amplitude modulation" planning condition - which would prevent excessive noise - removed.
Aktakom AWG-4151 universal generator can work not only with harmonic signals, but also has modulation opportunities and other special modes including: amplitude modulation (AM), frequency modulation (FM), phase modulation (FM), frequency-shift keying (FSK), and also operation in pulse width modulation (PWM), sweep mode, frequency and pulse bursts.
Full browser ?