Results 1 to 10 of about 2,112,019 (160)
ANALYSIS RESEARCH METHOD OF RUN AUDIO FREQUENCY TRACK CIRCUIT
Nauka ta progres transportu, 2010 In this paper a comparative analysis of computation methods of railway track circuit of tonal frequency on trackside, using two current and one advanced techniques, is made.
I. O. Romantsev, V. I. Havryliuk
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Research and Design of a Transmission System for Time-Frequency-Domain Electromagnetic Method [PDF]
IEEE Access, 2019 In electromagnetic sounding, the detection areas of time-domain and frequency-domain electromagnetic detection methods cannot be effectively connected, and the detection processes for these two methods must be implemented separately.
Gang Li +3 more
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Research on Design Method of Digital Notch Filter When Notch Frequency Approaching Nyquist Frequency [PDF]
Hangkong bingqi, 2021 A modified pole-zero matched discretization method is peresented for overcoming performance degradation of the notch filter discreted by currently popular methods when the notch frequency approaching the Nyquist frequency.The frequency characteristic of ...
Zhao Yanhui,Zhang Yongjun,Li Haifeng,Zhao Xia
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Zhejiang dianli, 2022 Due to the long delay of their control chains， voltage source converters （VSCs） in the high frequency band tend to show negative damping， which may give rise to high-frequency resonance when VSCs are connected to power systems.
HUA Wen +6 more
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RESEARCH OF CLOCK FREQUENCY DISTRIBUTION METHODS
OF THE VIII INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE «INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION» («ITSE 2020» CONFERENCE), 2020 Digitalization of Russia is a necessary and relevant direction for the further development of the country. One of the elements of introducing the digital economy into everyday life is digital systems for transmitting and distributing information. The implementation of digital telecommunications systems is inextricably linked with the development of ...
I.Y. Byrnashev, T.E. Timirbulatova
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Research on the Time‐Domain Measurement Method of Low‐Frequency Splitting for Hemispherical Resonator [PDF]
Journal of Sensors, 2021 The measurement of resonator’s frequency splitting is a critical issue in vibratory gyroscopes, which would be elaborately treated in practical applications. The high‐precision measurement of frequency splitting plays a significant role in frequency tuning control.
Shaoliang Li +7 more
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Extraction method research on characteristic frequency band of underwater acoustic monitoring signal
Dianzi Jishu Yingyong, 2020 The underwater acoustic monitoring acquires a wide range of frequency bands, including multi-band feature information in the recording process, and doped with various kinds of noise.
Zhao Jie +4 more
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Research on karst cavity detection method based on multi-frequency borehole sonar
Rock and Soil Mechanics, 2020 The shape and size characteristics of underground cavity are of great significance to the stability calculation and evaluation of geological structure in the region.
WANG Jin-chao +5 more
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Research on optimization method of primary frequency modulation capability based on different ratios of hydropower [PDF]
E3S Web of Conferences, 2020 With the continuous development of China’s cross-regional interconnected power grid, large- capacity and long-distance transmission have become an important feature of China’s power grid.
Pan Xiaojie +4 more
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Applied Sciences, 2022 Frequency modulation continuous wave (FMCW) radio fuze is widely used in military equipment, due to its excellent range and anti-jamming ability. However, the widespread use of radio fuze jammers on modern battlefields poses a serious threat to fuzes. In
Bing Liu, Xinhong Hao
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