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Journal articles on the topic 'Frequency'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Jarrah, Mu’tasem, and Naomie Salim. "Stock Market Prediction Based on Term Frequency-Inverse Document Frequency." Journal of Economics, Business and Management 4, no. 3 (2016): 183–87. http://dx.doi.org/10.7763/joebm.2016.v4.388.

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2

Rana, Shilpesh C., Gaurang I. Joshi, and Dr N. J. Shrimali Dr. N. J. Shrimali. "Flood Frequency Study For Kadana Reservoir Projectby Gumbel’s Frequency Distribution Method." Indian Journal of Applied Research 4, no. 1 (2011): 213–16. http://dx.doi.org/10.15373/2249555x/jan2014/63.

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3

Chao Zhang, Chao Zhang, Dongning Sun Dongning Sun, Weilin Xie Weilin Xie, et al. "Stable multi-frequency generator based on phase-locked optical frequency combs." Chinese Optics Letters 12, no. 2 (2014): 020602–20605. http://dx.doi.org/10.3788/col201412.020602.

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4

Siswanto, Shantosa Yudha, Rangga Wianggadana, Rachmat Harryanto, Ade Setiawan, and Marenda Ishak Sonjaya Sule. "Pengaruh Dosis dan Frekuensi Pemberian Pupuk Tunggal (N,P,K) dan Pupuk Majemuk NPK Terhadap N-Total, P-tersedia dan K-dd Padi Sawah (Oryza sativa L.) pada Inceptisols." soilrens 22, no. 2 (2025): 115–21. https://doi.org/10.24198/soilrens.v22i2.61738.

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The study was conducted to determine the effects of dosage and frequency of applying single fertilizers (N,P, K) and compound NPK fertilizers on total nitrogen (N-total) using lowland rice (Oryza sativa L.) grownin Inceptisols. The research was carried out in rice fields located in Ciparay, Jelekong Subdistrict, BaleendahDistrict, Bandung Regency. A Randomized Complete Block Design (RCBD) was employed, consisting of seventreatments with three replications: (1) Control, (2) Single NPK fertilizer (grade 123,75-36-50), Frequency3, (3) Compound NPK Pelangi fertilizer (grade 80-40-40), Frequency 3,

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5

MARIN, Bebe-Bucur, Adrian NĂSUI, and Sebastian SPRINCEANĂ. "ASPECTS ABOUT FREQUENCY SYNTHESIZERS." SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE 18, no. 1 (2016): 273–80. http://dx.doi.org/10.19062/2247-3173.2016.18.1.37.

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6

Bintrim, Sylvia J., and Timothy C. Berkelbach. "Full-frequency GW without frequency." Journal of Chemical Physics 154, no. 4 (2021): 041101. http://dx.doi.org/10.1063/5.0035141.

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7

Bauch, A., and H. R. Telle. "Frequency standards and frequency measurement." Reports on Progress in Physics 65, no. 5 (2002): 789–843. http://dx.doi.org/10.1088/0034-4885/65/5/203.

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8

Chen, Chaoyong, Chunqing Gao, Huixing Dai, and Qing Wang. "Single-frequency Er:YAG ceramic pulsed laser with frequency stability close to 100 kHz." Chinese Optics Letters 20, no. 4 (2022): 041402. http://dx.doi.org/10.3788/col202220.041402.

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9

Yukun Luo, Yukun Luo, Shuhua Yan Shuhua Yan, Aiai Jia Aiai Jia, et al. "Revisiting the laser frequency locking method using acousto-optic frequency modulation transfer spectroscopy." Chinese Optics Letters 14, no. 12 (2016): 121401–5. http://dx.doi.org/10.3788/col201614.121401.

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10

Zhou, Yuewen, Fangzheng Zhang, and Shilong Pan. "Instantaneous frequency analysis of broadband LFM signals by photonics-assisted equivalent frequency sampling." Chinese Optics Letters 19, no. 1 (2021): 013901. http://dx.doi.org/10.3788/col202119.013901.

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11

Gans, T., J. Schulze, D. O’Connell, et al. "Frequency coupling in dual frequency capacitively coupled radio-frequency plasmas." Applied Physics Letters 89, no. 26 (2006): 261502. http://dx.doi.org/10.1063/1.2425044.

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12

Albittar, Ihsan F. I., and Hakan Dogan. "A frequency multiplier for reference frequency in frequency synthesizer systems." Analog Integrated Circuits and Signal Processing 94, no. 1 (2017): 147–54. http://dx.doi.org/10.1007/s10470-017-1075-3.

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13

Kwang-Hoon Ko, Kwang-Hoon Ko, Kyung-Hyun Lee Kyung-Hyun Lee, Hyunmin Park Hyunmin Park, et al. "Frequency stabilization of the frequency doubled DOFA to the 127I2 line for calcium spectroscopy." Chinese Optics Letters 10, s2 (2012): S21903–321906. http://dx.doi.org/10.3788/col201210.s21903.

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14

Swift, P. G. F. "Frequency." Current Paediatrics 1, no. 2 (1991): 96–97. http://dx.doi.org/10.1016/s0957-5839(06)80057-6.

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15

Kayahara, Takuro, and Takao Sato. "Frequency discrimination following linear frequency glide." Journal of the Acoustical Society of America 105, no. 2 (1999): 1152. http://dx.doi.org/10.1121/1.425480.

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16

COHEN, LEON. "Time-Frequency Spatial-Spatial Frequency Representations." Annals of the New York Academy of Sciences 808, no. 1 Nonlinear Sig (1997): 97–115. http://dx.doi.org/10.1111/j.1749-6632.1997.tb51655.x.

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17

Sorrentino, T., O. Di Lorenzo, L. C. de Oliveira, M. Chevrollier, and M. Oriá. "All-optical frequency-controlled frequency switch." Journal of the Optical Society of America B 27, no. 7 (2010): 1458. http://dx.doi.org/10.1364/josab.27.001458.

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18

Hinchberger, James L. "Billing Frequency and Meter Reading Frequency." Opflow 11, no. 1 (1985): 3. http://dx.doi.org/10.1002/j.1551-8701.1985.tb00373.x.

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19

Xiang Jingfeng, 项静峰, 王利国 Wang Liguo, 任伟 Ren Wei, 李唐 Li Tang, 吕德胜 Lü Desheng, and 刘亮 Liu Liang. "Frequency Noise Suppression of Single-Frequency Laser with Radio-Frequency Modulation." Chinese Journal of Lasers 44, no. 5 (2017): 0501009. http://dx.doi.org/10.3788/cjl201744.0501009.

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20

Largo-Izquierdo, Pedro, and Pedro Martín-Mateos. "Frequency-tunable photonic frequency synthesis from an optical frequency comb reference." Optics Letters 42, no. 19 (2017): 3777. http://dx.doi.org/10.1364/ol.42.003777.

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21

Kim, H. C., and J. K. Lee. "Dual radio-frequency discharges: Effective frequency concept and effective frequency transition." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 23, no. 4 (2005): 651–57. http://dx.doi.org/10.1116/1.1931683.

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22

NECHIBVUTE, Action, Albert CHAWANDA, Nicholas TARUVINGA, and Pearson LUHANGA. "Radio Frequency Energy Harvesting Sources." Acta Electrotechnica et Informatica 17, no. 4 (2017): 19–27. http://dx.doi.org/10.15546/aeei-2017-0030.

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23

Chang, Yawei, Tongxiao Jiang, Zhigang Zhang, and Aimin Wang. "All-fiber Yb:fiber frequency comb." Chinese Optics Letters 17, no. 5 (2019): 053201. http://dx.doi.org/10.3788/col201917.053201.

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24

Yaskiv, Volodymyr, and Anna Yaskiv. "High-frequency magamp power inverter." Computational Problems of Electrical Engineering 7, no. 2 (2017): 124–30. https://doi.org/10.23939/jcpee2017.02.124.

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Design of a high-frequency inverter with high quality of output parameters along with reduction of its circuit complexity and cost is a topical task. In the paper, the main methods of the design of high-frequency inverters are analyzed. The principle of a magnetic switch operation based on high-frequency magnetic amplifiers, whose magnetic core is made of amorphous alloy with rectangular hysteresis loop, is described. The paper suggests a new method of the design of the power inverter based on high-frequency magnetic amplifiers. The proposed circuitry allows obtaining the higher quality of out

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25

Idubor, S.O., K.O. Ogbeide, and O. Okosun. "Development of a Radio Frequency Rectifier Circuit for Radio Frequency Energy Harvesting." Nigerian Research Journal of Engineering and Environmental Sciences 9, no. 2 (2024): 922–29. https://doi.org/10.5281/zenodo.14581970.

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<em>The aim of this work is to develop a radio frequency rectifier circuit for radio frequency energy harvesting that can produce voltage from ambient radio frequency (RF) signal to energize low powered sensor devices or Internet of Things networks. </em><em>The radio frequency rectifier was first designed and simulated in Proteus CAD software environment in other to assess the circuits theoretical performance. The designed circuit was then developed on a vero board and the power conversion efficiency of the circuit was evaluated. The rectifier circuit was simulated, and its performance evalua

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26

Mu, Tong, and Yaoliang Song. "Time reversal imaging based on joint space–frequency and frequency–frequency data." International Journal of Microwave and Wireless Technologies 11, no. 3 (2019): 207–14. http://dx.doi.org/10.1017/s1759078718001691.

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AbstractA new time reversal (TR) method for target imaging is proposed in this paper. Through single measurement by the antenna array, the received signals are utilized to form the space–frequency–frequency multistatic data matrix (MDM). Singular value decomposition is applied to the matrix to obtain the left singular vectors which span the signal subspace. The obtained vectors are divided into multiple subvectors by two different schemes and used to provide target signatures in the form of coarse frequency dependence and relative phase shifts that can be exploited to construct the imaging fun

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27

Yang, Guang, Haosen Shi, Yuan Yao, et al. "Long-term frequency-stabilized optical frequency comb based on a turnkey Ti:sapphire mode-locked laser." Chinese Optics Letters 19, no. 12 (2021): 121405. http://dx.doi.org/10.3788/col202119.121405.

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28

Anqi Wang, Anqi Wang, Zhixin Meng Zhixin Meng, and Yanying Feng Yanying Feng. "Widely tunable laser frequency offset locking to the atomic resonance line with frequency modulation spectroscopy." Chinese Optics Letters 16, no. 5 (2018): 050201. http://dx.doi.org/10.3788/col201816.050201.

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29

Shim, Ho-Seok, Jin-Seong Roh, Seo-Yeong Mun, and Kyung-Whan Yeom. "Frequency Synthesizer Using a Frequency-Locked Loop." Journal of Korean Institute of Electromagnetic Engineering and Science 31, no. 6 (2020): 517–25. http://dx.doi.org/10.5515/kjkiees.2020.31.6.517.

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30

Murrieta-Rico, Fabian N., Vitalii Petranovskii, Oleg Yu Sergiyenko, Daniel Hernandez-Balbuena, Alexey Pestryakov, and Vyra Tyrsa. "Frequency Domain Sensors and Frequency Measurement Techniques." Applied Mechanics and Materials 756 (April 2015): 575–84. http://dx.doi.org/10.4028/www.scientific.net/amm.756.575.

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Getting fast and accurate information is of paramount importance for most monitoring, data acquisition, and monitoring systems; there are sensors that transform their input into a frequency domain output, this kind of sensors are known as Frequency Domain Sensors (FDS); when the value of the output frequency is measured in a FDS, the value of the sensor’s input (measurand) can be calculated, that is why the frequency measurement in the output of FDS is critical for using such sensors. In this work different kinds of resonant sensors (FDS) are reviewed; also frequency measurement techniques are

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31

Tomac, Mehmet N., and Elias Sundström. "Adjustable Frequency Fluidic Oscillator with Supermode Frequency." AIAA Journal 57, no. 8 (2019): 3349–59. http://dx.doi.org/10.2514/1.j058301.

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32

AKIMOTO, Yoshiaki. "Frequency Stabilized Laser for Optical Frequency Standards." Review of Laser Engineering 21, no. 12 (1993): 1226–33. http://dx.doi.org/10.2184/lsj.21.12_1226.

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33

Dutta Roy, S. C. "Triple Frequency Impedance Matching by Frequency Transformation." IETE Journal of Education 55, no. 1 (2014): 47–51. http://dx.doi.org/10.1080/09747338.2014.943583.

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34

HONG, Feng-Lei. "Optical Frequency Combs and Frequency-Stabilized Lasers." Review of Laser Engineering 46, no. 7 (2018): 379. http://dx.doi.org/10.2184/lsj.46.7_379.

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35

Richman, M. S., T. W. Parks, and R. G. Shenoy. "Discrete-time, discrete-frequency, time-frequency analysis." IEEE Transactions on Signal Processing 46, no. 6 (1998): 1517–27. http://dx.doi.org/10.1109/78.678465.

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36

Pedersen, Anders Tegtmeier, and Karsten Rottwitt. "Frequency noise in frequency swept fiber laser." Optics Letters 38, no. 7 (2013): 1089. http://dx.doi.org/10.1364/ol.38.001089.

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37

Yasui, Takeshi, Shuko Yokoyama, Hajime Inaba, Kaoru Minoshima, Tadao Nagatsuma, and Tsutomu Araki. "Terahertz Frequency Metrology Based on Frequency Comb." IEEE Journal of Selected Topics in Quantum Electronics 17, no. 1 (2011): 191–201. http://dx.doi.org/10.1109/jstqe.2010.2047099.

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38

Bauer, Harold R. "Frequency Code: Orofacial Correlates of Fundamental Frequency." Phonetica 44, no. 3 (1987): 173–91. http://dx.doi.org/10.1159/000261793.

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39

Olsho, Lynne Werner, and Elizabeth G. Koch. "Frequency and practice interactions in frequency discrimination." Journal of the Acoustical Society of America 79, S1 (1986): S79. http://dx.doi.org/10.1121/1.2023395.

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40

Moore, P. J., J. H. Allmeling, and A. T. Johns. "Frequency Relaying Based on Instantaneous Frequency Measurement." IEEE Power Engineering Review 16, no. 10 (1996): 48. http://dx.doi.org/10.1109/mper.1996.4311012.

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41

Mallinger-Dogan, Mickaël, and Mark C. Szigety. "Higher-Frequency Analysis of Low-Frequency Data." Journal of Portfolio Management 41, no. 1 (2014): 121–38. http://dx.doi.org/10.3905/jpm.2014.41.1.121.

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42

Southwood, David J., and Margaret G. Kivelson. "Frequency doubling in ultralow frequency wave signals." Journal of Geophysical Research: Space Physics 102, A12 (1997): 27151–58. http://dx.doi.org/10.1029/97ja02534.

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43

Raspopoulos, Marios, and Stavros Stavrou. "Frequency Selective Buildings Through Frequency Selective Surfaces." IEEE Transactions on Antennas and Propagation 59, no. 8 (2011): 2998–3005. http://dx.doi.org/10.1109/tap.2011.2158779.

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44

Ralbovsky, Marian, Stefan Deix, and Rainer Flesch. "Frequency changes in frequency-based damage identification." Structure and Infrastructure Engineering 6, no. 5 (2009): 611–19. http://dx.doi.org/10.1080/15732470903068854.

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45

Lee, Chris, Sai Tak Chu, Brent E. Little, Joss Bland-Hawthorn, and Sergio Leon-Saval. "Portable frequency combs for optical frequency metrology." Optics Express 20, no. 15 (2012): 16671. http://dx.doi.org/10.1364/oe.20.016671.

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46

Franklin, R. N. "The dual frequency radio-frequency sheath revisited." Journal of Physics D: Applied Physics 36, no. 21 (2003): 2660–61. http://dx.doi.org/10.1088/0022-3727/36/21/010.

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47

Radjabi, Bahman. "Frequency switching speed measurement of frequency synthesizers." IEEE Transactions on Instrumentation and Measurement IM-35, no. 4 (1986): 503–7. http://dx.doi.org/10.1109/tim.1986.6499124.

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48

Chung, Y. C., and T. M. Shay. "Frequency offsets in frequency-locked semiconductor lasers." Fiber and Integrated Optics 13, no. 4 (1994): 357–63. http://dx.doi.org/10.1080/01468039408202244.

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49

Dalianis, S. A., and J. K. Hammond. "TIME–FREQUENCY SPECTRA FOR FREQUENCY-MODULATED PROCESSES." Mechanical Systems and Signal Processing 11, no. 4 (1997): 621–35. http://dx.doi.org/10.1006/mssp.1997.0100.

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50

Miao, Yannan N., Chirn Chye Boon, Manh Anh Do, Kiat Seng Yeo, and Wei Meng Lim. "High-frequency low-power fractional frequency multiplier." Microwave and Optical Technology Letters 55, no. 1 (2012): 146–49. http://dx.doi.org/10.1002/mop.27236.

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