Browsing by Issue Date, starting with "2015-02-19"

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Luminous efficiency enhancement of white light-emitting diodes by using a hybrid phosphor structure
(2015-02-19)
Lin, Bing-Cheng
;
Huang, Jhih-Kai
;
Chen, Kuo-Ju
;
Chiu, Sheng-Huan
;
Tu, Zong-Yi
This paper presents a "hybrid" structure for the coating of yellow YAG: Ce3(+) phosphor on blue GaN-based light-emitting diodes (LEDs). The luminous efficiency of the hybrid phosphor structure improved by 5.9% and 11.7%, compared with the conventional remote and conformal phosphor structures, respectively, because of the increased intensity of the yellow component. The hybrid structure also has an advantage in the phosphor usage reduction for the LEDs. Furthermore, the electric intensity of the hybrid phosphor structure was calculated for various thicknesses by conducting TFCalc32 simulation, and the enhanced utilization of blue rays was verified. Finally, the experimental results were consistent with the simulation results performed using the Monte-Carlo method. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Discovery of prognostic biomarkers for predicting lung cancer metastasis using microarray and survival data
(2015-02-21)
Huang, Hui-Ling
;
Wu, Yu-Chung
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Su, Li-Jen
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Huang, Yun-Ju
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Charoenkwan, Phasit
Background: Few studies have investigated prognostic biomarkers of distant metastases of lung cancer. One of the central difficulties in identifying biomarkers from microarray data is the availability of only a small number of samples, which results overtraining. Recently obtained evidence reveals that epithelial-mesenchymal transition (EMT) of tumor cells causes metastasis, which is detrimental to patients' survival. Results: This work proposes a novel optimization approach to discovering EMT-related prognostic biomarkers to predict the distant metastasis of lung cancer using both microarray and survival data. This weighted objective function maximizes both the accuracy of prediction of distant metastasis and the area between the disease-free survival curves of the non-distant and distant metastases. Seventy-eight patients with lung cancer and a follow-up time of 120 months are used to identify a set of gene markers and an independent cohort of 26 patients is used to evaluate the identified biomarkers. The medical records of the 78 patients show a significant difference between the disease-free survival times of the 37 non-distant-and the 41 distant-metastasis patients. The experimental results thus obtained are as follows. 1) The use of disease-free survival curves can compensate for the shortcoming of insufficient samples and greatly increase the test accuracy by 11.10%; and 2) the support vector machine with a set of 17 transcripts, such as CCL16 and CDKN2AIP, can yield a leave-one-out cross-validation accuracy of 93.59%, a test accuracy of 76.92%, a large disease-free survival area of 74.81%, and a mean survival prediction error of 3.99 months. The identified putative biomarkers are examined using related studies and signaling pathways to reveal the potential effectiveness of the biomarkers in prospective confirmatory studies. Conclusions: The proposed new optimization approach to identifying prognostic biomarkers by combining multiple sources of data (microarray and survival) can facilitate the accurate selection of biomarkers that are most relevant to the disease while solving the problem of insufficient samples.
單端多埠之儲存裝置
(2015-02-21)
楊皓義
;
黃威
本發明係有關於一種單端多埠之儲存裝置，其藉由一第一反相器之第一輸入端耦接於一第二反相器之第二輸出端，第一反相器之第一輸出端耦接於第二反相器之第二輸入端，一均衡器，耦接該第一反相器與該第二反相器，以控制該第一反相器與該第二相器之電位，使耦接於第一反相器與於第二反相器之複數存取埠可存取資料。如此，可降低資料寫入儲存裝置所消耗的功率，並加快資料寫入儲存裝置的速度。
雙視角膠囊內視鏡之鏡頭系統
(2015-02-21)
吳重雨
;
潘瑞文
;
蘇昱中
;
王志中
;
林育民
本發明提供一種雙視角膠囊內視鏡之鏡頭系統，其鏡頭中係包括一前視場光學系統，包含一第一鏡片組及一第三鏡片組，透過第一鏡片組及第三鏡片組取得一前方視場之影像訊號；以及一後視場光學系統，包含第二鏡片組及第三鏡片組，透過第二鏡片組及第三鏡片組取得一後方視場之影像訊號。藉由前後二個視場的光學系統，可擴大膠囊內視鏡的視場範圍。
碼相位擷取裝置及方法
(2015-02-21)
高銘盛
;
張介福
;
謝萬信
一種碼相位擷取方法，包含以下步驟：(S)基於一輸入序列的N個位元{x0,x1,x2...,xN-1}轉換出一輸入轉換信號，基於一參考序列的N個位元{y0,y1,y2...,yN-1}轉換出一參考轉換信號；(T)使輸入轉換信號相比於參考轉換信號而得到一相對信號；及(U)當相對信號的相位落於　，判斷兩序列間的相位位移=q，0≦q<N。另一方法則以序列分群概念，分別從輸入序列和參考序列中取出M1個位元進行轉換，並根據轉換結果的幅值和相位推導出該相位位移。
Bidirectional scanning driving circuit
(2015-02-24)
Liu Po-Tsun
;
Chu Li-Wei
;
Zheng Guang-Ting
;
Chen Chun-Yen
;
Kuo Yi-Chun
The invention provides a bidirectional scanning driving circuit, which comprises N stages of driving modules. Driving module comprises an output unit, a forward input unit, and a reverse input unit. For the n-th stage driving module, the forward input unit receives a first input voltage and a front forward scan signal of any of the driving modules lower than or equal to (n−2)th stage for charging or discharging a control node of the output unit. The reverse input unit receives a second input voltage and a back reverse scan signal of any of the driving modules higher than or equal to (n+2)th stage for charging or discharging the control node of the output unit. When the forward input unit is charging the output unit, the output unit outputs a forward scan signal; when the reverse input unit is charging the output unit, the output unit outputs a reverse scan signal.
Electroluminescent device including moisture barrier layer
(2015-02-24)
Leu Jihperng
;
Syu Shu-Hao
;
Tu Hung-En
;
Wang Chih
An electroluminescent device includes: a substrate; an electroluminescent layered structure disposed over the substrate and including first and second electrode layers and an electroluminescent material layer disposed between the first and second electrode layers; and a moisture barrier layer in contact with the electroluminescent layered structure for preventing moisture from diffusing into the electroluminescent layered structure. The moisture barrier layer includes at least two inorganic films of a silicon-nitrogen-containing compound and at least one polymer film interposed between the inorganic films.
Ligand and metal complex having the same
(2015-02-24)
Wang Yun-Ming
;
Liu Gin-Chung
;
Chen Chiao-Yun
;
Li Teng-Wen
A ligand and a metal complex having the ligand are provided. The ligand and a paramagnetic metal ion form a metal complex with high stability, high relaxivity and high biocompatibility. The metal complex of the present invention is applicable to the preparation of MRI contrast agents for detecting atherosclerosis. The MRI contrast agent includes a peptide sequence specific to a matrix metalloprotease, and can be recognized by a pathological thrombocyte to target a specific site, so as to enhance the imaging contrast.
Triplet superconductivity in 3D Dirac semi-metal due to exchange interaction (vol 27, 025701, 2015)
(2015-02-25)
Rosenstein, Baruch
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Shapiro, B. Ya
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Li, Dingping
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Shapiro, I.
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電子物理學系
Experimental and Theoretical Study on the Thermal Decomposition of C3H6 (Propene)
(2015-02-26)
Hung, Wei-Chung
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Tsai, Chieh-Ying
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Matsui, Hiroyuki
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Wang, Niann-Shiah
;
Miyoshi, Akira
交大e-News第181期-交通大學與滑鐵盧大學簽訂校級雙聯博士學位
(2015-02-26)
Secretariat
;
國立交通大學秘書室
RESOURCE ALLOCATION SERVER AND COMMUNICATION SYSTEM
(2015-02-26)
Wu Sau-Hsuan
;
Chao Hsi-Lu
;
Ko Chun-Hsien
A resource allocation server and a communication system are provided. The server receives location data of the access points (APs) and channel request data of the APs corresponding to the location data of the APs. The server groups the channel request data of the APs into clusters according to available physical channels of the APs and the channel request data of the APs. The server allocates the available physical channels of the APs for the channel request data of the APs and transmission power configurations on each of the allocated physical channels of the APs according to the channel request data and the location data of the APs in each of the clusters. The server transmits allocated results of the allocated physical channels of the APs for the channel request data of the APs and the transmission power configurations on each of the allocated physical channels of the APs.
ACCESS POINT AND COMMUNICATION SYSTEM FOR RESOURCE ALLOCATION
(2015-02-26)
Wu Sau-Hsuan
;
Chao Hsi-Lu
;
Ko Chun-Hsien
An access point (AP) and a communication system are provided. The access point comprises at least but not limited to a transceiver, a network connection unit, and a processing circuit. The processing circuit is configured for the following steps. The AP receives channel access requests of the user equipments (UEs) from the UEs. Next, the AP transmits a channel request data according to QoS requirements of plurality of channel access requests of the UEs to the server. Afterward, the AP receives resource allocation information associated with the channel request data from the server, wherein the resource allocation information comprises an allocated result of physical channels and transmission power configurations. Subsequently, the AP allocates the physical channels to the UEs according to the QoS requirements of the channel access requests of the UEs and the resource allocation information.
A 16-mW 8-Bit 1-GS/s Digital-Subranging ADC in 55-nm CMOS
(2015-03-01)
Chung, Yung-Hui
;
Wu, Jieh-Tsorng
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電機工程學系
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Department of Electrical and Computer Engineering
This paper presents a digital-subranging (sub-R) analog-to-digital conversion (ADC) architecture to improve the operation speed of sub-R ADCs. Long latency between coarse and fine conversions will slow down the conventional sub-R ADCs. The proposed digital-sub-R uses digital circuits to implement the sub-R function and shorten this latency, thus benefits the CMOS scaling. Furthermore, the dynamic comparators are used to save more ADC power consumption. Their accuracy is improved by the proposed pseudodifferential offset calibration loop. The digital-sub-R also helps to reduce the dynamic offset of the fine comparators caused by the input common-mode variation. Fabricated using a 55-nm CMOS technology, the reported 8-bit 1-GS/s ADC consumes only 16 mW from a 1.2 V supply. Measured signal-to-noise ratio (SNR) and spurious free dynamic range (SFDR) are 46 and 55 dB, respectively. Measured effective number of bits (ENOB) is seven bits at 10-MHz input frequency. At Nyquist input, the ENOB performance of 6.3 bits is still maintained. Its figure-of-merit is 197-fJ/conversion-step.
Job-Level Alpha-Beta Search
(2015-03-01)
Chen, Jr-Chang
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Wu, I-Chen
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Tseng, Wen-Jie
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Lin, Bo-Han
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Chang, Chia-Hui
An approach called generic job-level (JL) search was proposed to solve computer game applications by dispatching jobs to remote workers for parallel processing. This paper applies JL search to alpha-beta search, and proposes a JL alpha-beta search (JL-ABS) algorithm based on a best-first search version of MTD(f). The JL-ABS algorithm is demonstrated by using it in an opening book analysis for Chinese chess. The experimental results demonstrated that JL-ABS reached a speed-up of 10.69 when using 16 workers in the JL system.
A 10-Gb/s, 1.24 pJ/bit, Burst-Mode Clock and Data Recovery With Jitter Suppression
(2015-03-01)
Su, Ming-Chiuan
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Chen, Wei-Zen
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Wu, Pei-Si
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Chen, Yu-Hsiang
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Lee, Chao-Cheng
A burst mode clock and data recovery (BMCDR) circuit for 10 Gbps passive optical network (10G-PON) is presented. The proposed BMCDR is reconfigurable between data gating mode and phase tracking mode to achieve instantaneously phase-locked with jitter suppression capability. Incorporating selectively gating VCO (SGVCO), the BMCDR operates at 1/5-rate and accomplishes 1:5 demultiplexing with a high energy efficiency of 1.24 pJ/bit. With a 4 MHz, 0.22UI(pp) jitter stressed input data at 10 Gbps, the recovered clock jitter at 2 GHz is 2.94 ps(rms). The prototype is fabricated using 55 nm CMOS technology. The core area is 0.03 mm(2) only. It dissipates 12.4 mW from 1 V supply.
溼度感測器
(2015-03-01)
賴義澤
;
張錫嘉
;
李鎭宜
一種溼度感測器，包含接地電極、第一電極、第二電極、感濕層、計算模組及查表模組，其中接地電極耦接於接地端。第一電極相對於接地電極的第一端。第二電極相對於接地電極的第二端。感濕層至少填充於第一電極與第一端之間及第二電極與第二端之間。第一電極與接地電極的第一端之間具有第一電容值，第二電極與接地電極的第二端之間具有第二電容值。感濕層依據空氣溼度改變第一電容值與第二電容值。計算模組接收第一電容值及第二電容值，並計算第一電容值及第二電容值的差值。查表模組再依據差值，查找與差值對應的溼度值。
運動之後的思想：回應柄谷行人關於「超越民主」的問題－從《哲學的起源》出發
(國立陽明交通大學出版社, 2015-03-01)
劉紀蕙
單端靜態隨機存取記憶體
(2015-03-01)
周世傑
;
林志宇
;
莊景德
;
杜明賢
;
邱奕瑋
一種單端靜態隨機存取記憶體，包括至少一記憶胞以及第三開關。記憶胞包括資料拴鎖單元、第一開關、第二開關以及資料傳輸單元。資料拴鎖單元拴鎖所接收的輸入資料，並提供儲存資料及此儲存資料的反向資料。第一開關依據第一字元線信號使參考資料傳送至資料拴鎖單元。第二開關依據第二字元線信號使參考資料傳送至資料拴鎖單元。資料傳輸單元依據儲存資料以及控制信號以決定是否傳送參考資料至位元線。第三開關接收參考資料以及控制信號，依據控制信號以傳送參考資料至第一及第二開關以及資料傳輸單元。
Alex Around the World to Taiwan
(國立陽明大學, 2015-03)
Alexander Waits