power line造句
61, In this paper the development of power line harmonic analyzer based on ind us-trial PC is introduced , and the working principle and design method are given.
62, Instantaneous reactive power calculated in the measuring circuit is based on instantaneous voltage and instantaneous current value of the supply power line.
63, The power line communication real-time channel simulator is constructed with FPGA to meet the requirements of system for real-time performance and low cost.
64, According to the actuality and characteristics of power line communication currently, an automatic routing method based on ant colony algorithm was presented, which could achieve remote meter reading.
65, An EMI Power Line Filter is a multiple port network of passive components arraged as a low pass filter.
66, The one or more inductive coupling elements are configured to couple a power line signal from the analog front end to one or one coax connectors.
67, Introduces a remote data collection system based on power line carrier ( PLC ) and GPRS network communication.
68, Unreeling and setting the leading string by the aid of dynamic parachute is an effective approach to important power line crossing in the construction of overhead transmission lines.
69, Signal attenuation in the power line environment is often great, and unpredictable.
70, Distribution power line power to users directly. Its reliability is very important.
71, This paper recounts the principles of the accuracy time transmission method by means of power line.
72, In Gaussian noise channel and power line channel,[www.] this emulational system calculate out relationship between bit error rates and signal to noise ratios.
73, A power line testing vehicle at Su - Ao Station.
74, There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
75, Inconstant surges in power on an electrical power line causing interference with sensitive electronic equipment.
76, Due to many advantages of Orthogonal Frequency Division Multiplexing technique, it becomes the best choice for low-voltage power line broadband communication.
77, It can reach more than l. 5Mbps data transmission speed in the available frequency band of existing power line carrier communication system by academic calculate and simulation.
78, Put the power line through the frame to the terminal, then fasten the glow starter tightly.
79, The transmission characteristics are investigated that includes the impendence, attenuation and noise performance of the low-voltage power line carrier channel.
80, The un - satisfied power grid environment becomes the biggest challenge to the power line carrier technology.
81, The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
82, While dealing with the main principle of trellis code, this paper presents a new scheme to implement the digital power line carrier transmission system with TCM technology.
83, Adds them into the power line, and then retrieves data by decoding.
84, Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor is given.
85, Physical topology of low - voltage networks is unpredictable, and its Power Line Communication ( PLC ) channel is changeable.
86, The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network.
87, A section of this road would traverse Sequoia National Park, as would a proposed high-voltage power line needed to provide electricity for the resort.
88, In this dissertation, the author does the research of the transmission characteristics and the power line noise.
89, Overhead power line is one of design items commonly meeting with.
90, Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
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