搜索结果: 1-12 共查到“工学 tone”相关记录12条 . 查询时间(0.093 秒)
Study on the Basic Tone of Thematic Map Color
Cartography Thematic Design Analysis Color Basic tone of color
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2015/12/3
Color is a vivid factor among map visual variables. Map color has information value and aesthetic value. Because of the complexity of color design, color using becomes one of the most interesting and ...
An implementation of discrete multi-tone over slowly time-varying multiple-input/multiple-output channels
Communication system antenna number linear data transmission
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2015/8/11
Recent analysis of Multiple-Input Multiple-Output (MIMO) communication systems, for example those involving antenna arrays, has shown that channel capacity increases linearly with the number of antenn...
Generation of 1500-tone, 120nm-wide Ultraflat Frequency Comb by Single CW Source
Generation of 1500-tone 120 nm-wide Ultraflat Frequency Comb Single CW Source
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2014/11/6
Dense 1500-tone frequency comb is derived from a single CW laser. Sub-2dB flatness was measured over 120 nm, with 40 dB optical signal-to-noise-ratio. The new generator uses regenerative shock formati...
Microlens Array Fabricated by Excimer Laser Micromachining with Gray-tone Photolithography
excimer laser gray-tone photolithography SIL
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2011/11/28
We demonstrate the fabrication of a refractive microlens array by using 248 nm excimer laser micromachining with coded gray-tone mask photolithography. With pre-corrections to the nonlinear exposure p...
A Cost-effective Pilot-Tone-based Monitoring Technique for Power Saving in RSOA-based WDM-PON
Cost-effective Pilot-Tone-based Monitoring Technique Power Saving RSOA-based WDM-PON
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2015/5/21
We propose and experimentally demonstrate a simple and novel monitoring technique with the modulation of RSOA’s ASE by the pilot-tone monitoring signal at the ONU, to provide power saving in RSOA-base...
An Optimal Tone Reservation Method for IM/DD Optical OFDM Transmission in Multimode Fiber
Optimal Tone Reservation Method IM/DD Optical OFDM Transmission Multimode Fiber
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2015/5/20
We propose an optimal, yet efficient tone reservation method which enables distortion-free IM/DD optical OFDM transmission with no additional bias. Compared to previous approaches, both spectral and p...
High Bit Rate Transmission for NG-PON by Direct Modulation of DFB Laser using Discrete Multi-Tone
Transmission NG-PON Direct Modulation DFB Discrete Multi-Tone
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2015/7/16
A bit rate as high as 19Gbit/s transmission was experimentally demonstrated for NG-PON without chromatic dispersion compensation by direct modulation of DFB laser using DMT signal combined with adapti...
A Novel Half-Tone Screening for Anti-counterfeiting
Half-Tone Screening Anti-counterfeiting
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2009/3/12
With now increasing more widespread usage of high-resolution scanners, the feasibility of imitating original security documents is becoming inevitable. In this situation, to propose a novel anticounte...
Impact of Impregnation with Imersol-Aqua on the Yellow Color Tone of Some Woods and Varnishes
Oriental beech oak Imersol-Aqua yellow color tone varnish
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2009/1/12
This study was performed to determine the effects of impregnation on the yellow color tone (YCT) of some woods and varnishes. For this purpose, the test specimens prepared from Oriental beech (Fagus ...
Experimental Demonstration of Compensating the I/Q Imbalance and Bias Deviation of the Mach-Zehnder Modulator for an RF-Tone Assisted Optical OFDM System
Compensating I/Q Imbalance Bias Deviation Mach-Zehnder Modulator RF-Tone Assisted Optical OFDM System
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2015/7/30
We demonstrate an equalization technique to compensate for impairments induced by dispersion as well as I/Q imbalance and bias deviation in the MZM. The proposed scheme has a 2 dB improvement in back ...
Iran leader softens his tone on Iraq（图）
nuclear program
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2007/2/13
February 13, 2007，TEHRAN, Iran - Iran's hard-line president, who has berated the United States and refused to compromise on his nuclear program, is now softening his tone, saying Monday he wants dialo...
TONE RECOGNITION OF CHINESE CONTINUOUS SPEECH
TONE RECOGNITION CHINESE CONTINUOUS SPEECH
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2013/6/27
In this paper our approach to the lexical tone recognition of Chinese continuous speech is presented. The Mixed Gaussian Continuous Probability Model (MGCPM) [1] is used for the tone modeling, and the...