Relevant bibliographies by topics / QZSS

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'QZSS'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 January 2023

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Journal articles on the topic "QZSS"

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Sekiguchi, N., M. Shikada, and T. Kanai. "ON THE EVALUATION OF GNSS COMPLEMENTARY BY USING QUASIZENITH SATELLITE OF JAPAN." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B1 (June 3, 2016): 495–502. http://dx.doi.org/10.5194/isprsarchives-xli-b1-495-2016.

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The positional information has an important role in our lifestyle. People need to get positional information by GNSS. The satellite positioning must receive a signal from four or more satellites, however, most of Japanese country is covered with mountain and urban area has a lot of tall buildings. Then Japanese government launched QZS (Quasi Zenith Satellite) which is the first satellite of QZSS (Quasi Zenith Satellite System) in 2010. QZSS including QZS can improve positioning accuracy and reliability. QZS has 6 signals by using four kinds of frequency. These signals are the same frequency of
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Sekiguchi, N., M. Shikada, and T. Kanai. "ON THE EVALUATION OF GNSS COMPLEMENTARY BY USING QUASIZENITH SATELLITE OF JAPAN." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B1 (June 3, 2016): 495–502. http://dx.doi.org/10.5194/isprs-archives-xli-b1-495-2016.

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The positional information has an important role in our lifestyle. People need to get positional information by GNSS. The satellite positioning must receive a signal from four or more satellites, however, most of Japanese country is covered with mountain and urban area has a lot of tall buildings. Then Japanese government launched QZS (Quasi Zenith Satellite) which is the first satellite of QZSS (Quasi Zenith Satellite System) in 2010. QZSS including QZS can improve positioning accuracy and reliability. QZS has 6 signals by using four kinds of frequency. These signals are the same frequency of
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Krasuski, Kamil. "CHARAKTERYSTYKA SYSTEMU WSPOMAGANIA POZYCJONOWANIA QZSS-ZENITH." Informatics Control Measurement in Economy and Environment Protection 6, no. 4 (2016): 58–62. http://dx.doi.org/10.5604/01.3001.0009.5191.

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W artykule przedstawiono charakterystykę japońskiego systemu nawigacyjnego QZSS-Zenith do wspomagania pozycjonowania satelitarnego. Scharakteryzowano poszczególne segmenty systemu QZSS-Zenith oraz opisano również skalę czasu i układ odniesienia w systemie QZSS. W części badawczej artykułu przedstawiono rezultaty pozycjonowania satelitarnego z użyciem obserwacji GPS i QZSS.
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Kitamura, Mitsunori, Taro Suzuki, Yoshiharu Amano, and Takumi Hashizume. "Evaluation for Vehicle Positioning in Urban Environment Using QZSS Enhancement Function." Journal of Robotics and Mechatronics 24, no. 5 (2012): 894–901. http://dx.doi.org/10.20965/jrm.2012.p0894.

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In this paper, we have evaluated the performance and availability enhancement of Quasi-Zenith Satellite System (QZSS) in urban environments. In urban environments, QZSS can be expected to be fairly effective because of the high elevation angle of satellite and enhancement functions. Therefore, we conducted performance and availability enhancement evaluation tests to verify thus. In performance enhancement evaluation test, in order to evaluate the improvement of GPS accuracy by L1 Submeter-class Augmentation with Integrity Function (L1-SAIF) broadcasted by QZSS satellite, we compared the positi
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Onanong, Narumol, Julongkorn Pattameak, Teerachet Mekpradab, Surachet Chinnapark, and Prasert Kenpankho. "QZSS L1 Bandwidth Frequency Filter Design for QZSS Receiver." ASEAN Journal of Science and Engineering 1, no. 1 (2021): 27–32. http://dx.doi.org/10.17509/ajse.v1i1.33764.

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We present the design of bandpass filter on the frequency of the QZSS satellite, by providing bandwidth at the cut-off frequency equally to the bandwidth of the QZSS L1 with selecting the response characteristic on Butterworth maximally flat amplitude. Bandpass filter design using frequency of the QZSS L1 with bandwidth is 24MHz. The design procedure involves two steps, the first step is to find the required order of the filter, which we use 3rd order, and the second step is to find the scale factor that must be applied to the normalized parameter values. The Band-Pass Butterworth filler is a
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Pattameak, Julongkorn, Narumon Onanong, Teerachet Makpradab, Surachet Chinnapark, and Prasert Kenpankho. "QZSS L5 Bandwidth Frequency Filter Design for QZSS Receiver." ASEAN Journal of Science and Engineering 2, no. 1 (2021): 95–100. http://dx.doi.org/10.17509/ajse.v2i1.37778.

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The purpose of this study was to design QZSS L5 Bandwidth Frequency Filter for QZSS Receiver. We presented the configuration of the Butterworth bandpass filter by using PSpice as the tool for the simulation. Bandpass filter frequency of the QZSS L5 with bandwidth is designed in 25 MHz using the Butterworth filter which is presented in this article. These designed circuits are composed of the 3rd order. Moreover, the combination between low pass filter and high pass filter is performed as a bandpass filter. In conclusion, this designed filter on the frequency of QZSS L5 is to be useful by using
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Xie, Wei, Guanwen Huang, Bobin Cui, et al. "Characteristics and Performance Evaluation of QZSS Onboard Satellite Clocks." Sensors 19, no. 23 (2019): 5147. http://dx.doi.org/10.3390/s19235147.

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In the Global Navigation Satellite System (GNSS) community, the Quasi-Zenith Satellite System (QZSS) is an augmentation system for users in the Asia-Pacific region. However, the characteristics and performance of four QZSS satellite clocks in a long-term scale are unknown at present. However, it is crucial to the positioning, navigation and timing (PNT) services of users, especially in Asia-Pacific region. In this study, the characteristics and performance variation of four QZSS satellite clocks, which including the phase, frequency, frequency drift, fitting residuals, frequency accuracy, peri
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Ye, Hongjun, Xiaojun Jing, Liang Liu, et al. "Analysis of Quasi-Zenith Satellite System Signal Acquisition and Multiplexing Characteristics in China Area." Sensors 20, no. 6 (2020): 1547. http://dx.doi.org/10.3390/s20061547.

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On the basis of realizing regional navigation, the Quasi-Zenith Satellite System (QZSS) has advanced navigation function, which leads to the broadcasting of more signals in a single frequency of QZSS signals. Current signal transmission technology cannot solve this problem, so it is necessary to design a signal multiplexing method. The current QZSS satellite interface document does not disclose the multiplexing modulation method of the signal transmission, which has a certain impact on the acquisition of high-precision observation data and further data processing. The iGMAS (International GNSS
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Lau, Lawrence, Hiroaki Tateshita, and Kazutoshi Sato. "Impact of Multi-GNSS on Positioning Accuracy and Multipath Errors in High-Precision Single-Epoch Solutions – A Case Study in Ningbo China." Journal of Navigation 68, no. 5 (2015): 999–1017. http://dx.doi.org/10.1017/s0373463315000168.

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Real-Time Kinematic (RTK) Global Positioning System (GPS) carrier phase-based precise positioning has been widely using in geodesy and surveying applications, and other high accuracy positioning and navigation applications in the last two decades. More Global Navigation Satellite Systems (GNSS) are being developed and it is usually expected that combining GNSS will have a positive impact on positioning accuracy. This paper describes a case study carried out at Ningbo in China on the impact of multi-GNSS on RTK single epoch solutions. Both GPS and GLONASS are fully operational now. Moreover, th
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Huo, Xiang, Xue Wang, Sen Wang, Xiaofei Chen, Ganghua Zhou, and Xiaochun Lu. "Receiving and Assessing L1C Signal for In-Orbit GPS III and QZSS Transmissions Using a Software-Defined Receiver." Electronics 9, no. 1 (2019): 11. http://dx.doi.org/10.3390/electronics9010011.

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To avoid signal interference in L1 frequency and provide various services, GPS has updated a modern signal, called L1C, which has been tested with three QZSS satellites launched in 2017. In December 2018, the first GPS III satellite was launched, which implies improved joint positioning using GPS and QZSS L1C signal. The L1C signal offers a series of advanced designs in signal modulation, message structure and coding. We present complete methodologies for joint L1C signal receiving and processing. For the transmitted signals, we present a methodology and results from collecting and assessing B
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Dissertations / Theses on the topic "QZSS"

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Tappero, Fabrizio Surveying &amp Spatial Information Systems Faculty of Engineering UNSW. "Remote synchronization method for the quasi-zenith satellite system." Publisher:University of New South Wales. Surveying & Spatial Information Systems, 2008. http://handle.unsw.edu.au/1959.4/41467.

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This dissertation presents a novel satellite timekeeping system which does not require on-board atomic clocks as used by existing navigation satellite systems such as GPS, GLONASS or the planned GALILEO system. This concept is differentiated by the employment of a synchronization framework combined with lightweight steerable on-board clocks which act as transponders re-broadcasting the precise time remotely provided by the time synchronization network located on the ground. This allows the system to operate optimally when satellites are in direct contact with the ground station, making it suita
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Zhang, Huiben. "Architectures and signal processing methods for a single-frequency LEX receiver." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/99497/1/Huiben_Zhang_Thesis.pdf.

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This thesis makes a valuable contribution to the design of low-cost Global Navigation Satellite System receivers. The research builds a software defined radio that can acquire, track and decode the data messages from Japanese navigation satellites to improve the accuracy of GPS receivers from several meters down to several decimeters. This improvement can benefit automotive vehicle users, driverless vehicles and industry robots.
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Vikberg, Simon. "Utvärdering Thermisol QZS 20G : Ovako Induktionslinje." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75230.

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Ovakos induktionslinje i Hällefors består av induktionshärdning följt av induktionsanlöpning.  Släckningen vid härdningen sker med hjälp av duschar. Tidigare har Ovako använt sig av polymermedlet Aqua Tensid som släckningskoncentrat. I samband med användning av Aqua Tensid har kund upplevt förbättring i skärande bearbetning.  Användningen av Aqua Tensid har dock upphört p.g.a. arbetsmiljöproblem. Ovako har istället införskaffat Thermisol, ett annat polymermedel till släckningsprocessen. Detta arbete innehåller en utvärdering av Thermisol i Ovakos produktion då det tidigare inte gjorts. Test ha
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Al-Egli, Fares, and Moumin Hassan Mohamed. "Control, Design, and Implementation of Quasi Z-source Cascaded H-Bridge Inverter." Thesis, Linköpings universitet, Elektroniska Kretsar och System, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-152711.

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This report is about control, design and implementation of a low voltage-fed quasi Z-source three-level inverter. The topology has been interesting for photovoltaic-systems due to its ability to boost the incoming voltage without needing an extra switching control. The topology was first simulated in Simulink and later implemented on a full-bridge module to measure the harmonic distortion and estimating the power losses of the inverter. An appropriate control scheme was used to set up a shootthrough and design a three-level inverter. The conclusion for the report is that the quasi Z-source inv
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I-PingSun and 孫逸平. "Investigation of GPS/QZSS L1/L5 Dual Frequency Signal Reception and its Application in Ionosphere Effect Assessment." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/43956993825993686019.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>101<br>Over time, the modernized Global Navigation Satellite System (GNSS) with the improved signal structure arose and was realized at the last decade. In 2010, a Block IIF GPS satellite was launched and started to broadcast the signal on L5 band. The higher chipping rate and longer spreading code is used in this new satellite for the better accuracy. This thesis presents a dual frequency software procedure for post processing real data of the GPS L1 and new L5 signal. The detail algorithm from acquisition, tracking and combined positioning is realized. Due to th
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Pina, Manuel António de. "Sistema Fotovoltaico Ligado à Rede Usando um Conversor Multinível Quasi-Z do Tipo T." Master's thesis, 2021. http://hdl.handle.net/10400.26/35682.

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Os inversores quasi-Z de três níveis (qZS) baseados na topologia tipo T são especialmente indicados para uso em sistemas fotovoltaicos conectados à rede. Na verdade, apresentam uma característica importante para este tipo de aplicação, pois apresentam a característica redutor/elevador. Além disso, também é caracterizado por alta confiabilidade e operação multinível. Porém, associados a este conversor, devem ser utilizados controladores que garantam seu melhor desempenho. Neste contexto, esta dissertação irá propor um sistema de controlo global para o inversor trifásico tipo T qZS em um sistema
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Book chapters on the topic "QZSS"

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Yan, Chao, Qing Wang, Fuyang Ke, Yuan Yang, and Fen Liu. "Code Multipath Analysis of QZSS by Time-Frequency Representation." In Communications in Computer and Information Science. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6113-9_47.

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Hao, Maosen, Wenhai Jiao, Xiaolin Jia, and Qingrui Tao. "Precise Point Positioning Performance Evaluation of QZSS Centimeter Level Augmentation Service." In China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume III. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3715-8_8.

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Sasakawa, Tadashi, and Takashi Ikeda. "Current Status of QZSS and Pilot Experiments in South East Asia." In Lecture Notes in Civil Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-2184-3_156.

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Nie, Xin, Fu Zheng, Yidong Lou, Jinjun Zheng, and Zuhong Li. "An Analysis of the QZSS Signal Based on the Data of IGS." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46635-3_27.

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Odolinski, Robert, Peter J. G. Teunissen, and Dennis Odijk. "Combined GPS, BeiDou, Galileo, and QZSS Single-Epoch, Single-Frequency RTK Performance Analysis." In International Association of Geodesy Symposia. Springer International Publishing, 2015. http://dx.doi.org/10.1007/1345_2015_123.

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Zhang, Yize, Nobuaki Kubo, Junping Chen, Hu Wang, and Jiexian Wang. "Assessment of the Contribution of QZSS Combined GPS/BeiDou Positioning in Asia-Pacific Areas." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0005-9_37.

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Huo, Xiang, Xue Wang, Sen Wang, Xiaofei Chen, and Jing Ke. "Verification of GPS III and QZSS L1C Signal Joint Positioning Performance with Software-Defined Receiver." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1773-0_24.

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Yadav, Arvind, and Subhash Chandra. "Trans-QZS Inverter for PV-Based Energy Conversion System." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4975-3_7.

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Sundaram, A., and G. P. Ramesh. "Investigation of Solar Based SL-QZSI Fed Sensorless Control of BLDC Motor." In Intelligent Computing in Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2780-7_84.

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Matiushkin, Oleksandr, Oleksandr Husev, Kostiantyn Tytelmaier, Kaspars Kroics, Oleksandr Veligorskyi, and Janis Zakis. "Comparative Analysis of qZS-Based Bidirectional DC-DC Converter for Storage Energy Application." In IFIP Advances in Information and Communication Technology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56077-9_40.

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Conference papers on the topic "QZSS"

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Kogure, Satoshi. "QZSS Update." In 30th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017). Institute of Navigation, 2017. http://dx.doi.org/10.33012/2017.15399.

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Sakai, Takeyasu, and Satoshi Kogure. "QZSS Update." In 31st International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2018). Institute of Navigation, 2018. http://dx.doi.org/10.33012/2018.15837.

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Kogure, Satoshi. "Update of QZSS." In 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021). Institute of Navigation, 2021. http://dx.doi.org/10.33012/2021.17897.

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Kogure, Satoshi. "Update of QZSS." In 35th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2022). Institute of Navigation, 2022. http://dx.doi.org/10.33012/2022.18578.

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Kogure, Satoshi. "Latest Status of QZSS." In 33rd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2020). Institute of Navigation, 2020. http://dx.doi.org/10.33012/2020.17556.

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Chino, Koichi, Dinesh Manandhar, and Ryosuke Shibasaki. "Authentication technology using QZSS." In 2014 IEEE/ION Position, Location and Navigation Symposium - PLANS 2014. IEEE, 2014. http://dx.doi.org/10.1109/plans.2014.6851394.

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Narita, Hideki, Jun Amagai, Masanori Aida, et al. "Development of QZSS-mobile station." In 2012 European Frequency and Time Forum (EFTF). IEEE, 2012. http://dx.doi.org/10.1109/eftf.2012.6502401.

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Yamaguchi, Rintaro, Akihiro Komiyama, Koichi Yamada, et al. "Flexible Planar Antenna for QZSS." In 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE). IEEE, 2022. http://dx.doi.org/10.1109/gcce56475.2022.10014173.

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Leppakoski, Helena, Sakari Rautalin, Xiaolong Zhang, Simo Ali-Loytty, and Robert Piche. "Extended prediction of QZSS orbit and clock." In 2016 International Conference on Localization and GNSS (ICL-GNSS). IEEE, 2016. http://dx.doi.org/10.1109/icl-gnss.2016.7533689.

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Asari, Kori, Shigeru Matsuoka, and Hisao Amitani. "QZSS RTK-PPP Application to Autonomous Cars." In 29th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2016). Institute of Navigation, 2016. http://dx.doi.org/10.33012/2016.14840.

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