power-line filter 中文意思是什麼

power-line filter 解釋
電源濾波器
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • filter : n 1 濾器,濾紙,過濾用料[砂、炭等]。2 【無線電】濾波器;【物理學】濾光鏡,濾色器。vt 過濾,用過濾...
  1. A new design and simulation for analogue forepart filter in low voltage power line communication

    低壓電力線通信模擬前端濾波器的設計與模擬
  2. Experiments show that, when use msp430f149 audio sensor to identify vehicles that contain plane, tank, truck and so on by time domain features and two - level f - ratio, the recognition rate is 82. 1 % ; when use both msp430f149 audio sensor and arm9 sensor to identify vehicles, and the recognition rate is much better than the original system and msp430f149 audio sensor. line spectrum of power spectra and 3 / 2 spectrum is used as frequency features on arm9 sensor, and it is caught by narrow - band bandpass filter

    實驗證明,在主頻為8mhz的msp430f149感知器上,採用基於時域特徵和二階f比的識別演算法,能夠實時地完成對飛機、坦克、卡車等交通工具的識別;將msp430f149感知器與基於arm9的高端感知器配合使用,且高端感知器採用功率譜線譜或3 / 2維譜線譜作為頻域識別特徵,能夠實時的對各類交通工具做更高性能的識別。
  3. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有: ( 1 )分析電力系統在發生故障時的運行狀態,尤其對三相傳輸線上的故障行波進行了分析和研究,推導了考慮相間耦合的三相傳輸線電壓方程,並將傳輸線上任一點的電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處的奇異性,並以此作為構造新的故障檢測演算法的理論基礎; ( 2 )將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究的不足,提出了電力系統故障檢測判據的補充判據,通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析,給出了一個可行的解決方案;模擬研究表明:這是一個快速、準確、有效的故障檢測演算法。
  4. Hydraulic fluid power. tank top return - line filter. fitting dimensions

    液壓流體動力.箱頂式迴路過濾器.裝配尺寸
  5. Fluid power ; hydraulic filter elements for tank top return - line filters ; envelope dimensions

    流體動力:罐頂回油過濾用液壓過濾器元件.包洛面尺寸
  6. Moreover, computer - aided design for power - line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced, results show that the discrimination network based on splitter / combiner has better hf performance with low insertion loss and good rejection capability, however, it is more expensive

    結果表明,基於分相器混和器的噪聲分離網路具有更好的高頻特性,且網路插損和噪聲模態抑制特性能夠滿足工程精度要求,但網路製造成本較高。
  7. The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made

    第三,對速調管同軸線濾波器寬帶輸出迴路進行研究和探索,設計出了一個適合用於l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路,並對其穩定性和峰值功率容限做了一些分析。
  8. Viewed from the power line side the lisn is a low pass filter that isolates disturbance from the power line by up to 40db

    從電源輸入一邊看, lisn是一個低通濾波器,它隔離市電干擾高達40db 。
  9. After compared lots of literatures and methods, we offer the norm for selecting different filters. that is to say, in arrhythmia analysis, the integer coefficient lowpass filter is adopted, while in heart rate variability analysis, the high pass filter designed by all - pass minus low - pass filter or filter which can remove both baseline wander and 50hz power - line frequency at one time is used

    在對大量文獻進行比較、研究的基礎上,針對不同的臨床應用目的,提出了各種濾波器的選用準則:在心律失常分析中選用整系數低通數字濾波器對原始心電信號進行濾波;在對心率變異信號進行分析時需先用低通濾波器濾波然後再採用全通減低通方法設計的高通濾波器或者一次性濾波器進行濾波。
  10. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾波器( apf ) ,是為了解決系統線路無功功率因數過低以及負載線路諧波過多,從而出現線路損耗大、電源電壓的瞬態波動過陡等一系列相關問題而產生的一種新型電力電子裝置。
  11. Fluid power ; hydraulic filters ; tank top return - line filter fitting dimensions

    流體動力:液壓過濾器:懸掛式回油過濾器安裝尺寸
  12. Standard for methods of measurement of radio frequency power line interference filter in the range of 100 hz to 10 ghz

    100赫茲到10千兆赫范圍內射頻電力線路抗干擾濾波器的測量方法標準
  13. Adaptive filter technique is used to filter 50hz power line interference and baseline shift. the feasibility of adaptive filter is demonstrated through simulation. the parameters of the algorithm are decided by the hardware and the algorithm itself

    運用自適應濾波技術主要是濾除50hz工頻干擾和去基線漂移,自適應濾波的可行性通過軟體模擬來論證,並結合硬體特點來確定各參數。
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