衰減電阻 的英文怎麼說
中文拼音 [shuāijiǎndiànzǔ]
衰減電阻
英文
damping resistance- 衰 : 衰動詞(衰弱) decline; wane
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
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Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line
但是,電力線通信通道存在間歇性噪聲大、阻抗隨負載變化大、信號衰減大等缺點,嚴重製約了它的有效利用。Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals
純金屬電阻率與剩餘電阻比渦流衰減測量方法The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system
該系統有效地克服了電力線噪聲和阻抗變化等干擾因素,提高了抗干擾能力和通信成功率,同時提出軟體中繼的思想和演算法並加以實現,進一步抑制了線路衰減快的問題,使載波通信的距離增加,滿足了遠程抄表系統的要求。Sub - c mh - ni power batteries were prepared with excellent electrochemical performance based on the research of the high rate performance at different temperature. the change of temperature, impedance and weight loss was investigated in the process of recycle at high rate. it showed that the discharge time is 5. 9min at 10c and the middle voltage is 1. 05v
三、根據對電池大電流和溫度性能的研究,研製了具有較好電化學性能的動力型鎳氫電池,並分別測試了電池在大電流循環過程中的溫度、內阻、重量和正負極板等的變化情況,以此分析引起電池性能衰減的原因。We think increase of the internal resistance of battery is the main problem to the recycle life deteriorating at high rate, besides the influence of the materials. decomposition occurred on positive and negative electrode at high rate current and the interspaces increased. the restrains of swelling and the increase of an oxygen overvoltage can improve the performance of recycle life
對于電池性能衰減的原因,認為除了所使用的材料是影響電池性能的重要因素之外,在溫度和大電流作用下,電池的正負極材料發生裂解,極片內空隙增大,電池內阻性能惡化是引起電池高倍率循環性能惡化的關鍵;通過抑制正極析氧和膨脹,並降低負極合金材料的粉化過程,將有望緩解電池內阻特性的惡化,從而提高電池高倍率充放電循環性能。A system scheme of digital image collection plus spread spectrum communication ( abbreviated as ssc ) is presented in this paper after a full analysis of noise characteristics, attenuating characteristics and impedance characteristics of low - voltage power lines
本文首先介紹了低壓電力線的噪聲特性、衰減特性和阻抗特性,然後提出一種數字圖像採集+擴頻傳輸的系統總體方案。In order to avoid light degradation, low interstitial oxygen content and low boron concentration b - doped p - type cz - si material should be used, for example, the resistivity can be from 5 - 10. cm, the efficiency has reached to 22. 0 %
上述研究工作表明:為了避免光衰減,提高矽片少子壽命,應該選擇低氧濃度的矽片,並降低硼的摻雜濃度,即:使用高阻材料製作太陽電池。The mechanism of storing lithium - ions was to store lithium ions in the micropores of the samples. since the micropores which formed in the process of liquid phase carbonization had different sizes, the smaller the micropores, the lower the potential to overcome the resistance for inserting lithium ions. the charging - discharging curves looked like the letter " v " and had no flat plateaus, the charging - discharging capacities were high but faded rapidly
Htt _ ( max ) = 2000以前,石墨微晶尚未出現,貯鋰機制為「微孔貯鋰」 ;由於微孔的大小不同,插鋰時克服阻力所需的電位也不同,微孔愈小,所需電位愈低,因此充、放電曲線為「 v 」字形,無充、放電電位平臺,充、放電容量高,但容量衰減快;隨著htt _ ( max )的增大,液相炭化過程中所形成的微孔逐漸變小、變少,因此充、放電容量也逐漸變小。A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory
考慮靜電驅動力、張力和空氣阻尼衰減對變形鏡回復過程的影響,建立一種復合參數模型來預測變形鏡的瞬態行為。System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding
在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上,本文提出一種語音編碼+擴頻傳輸的系統總體方案,採用擴頻載波( spreadspectrumcarrier ,縮寫為ssc )技術克服電力線傳輸信號存在的問題,採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。While testing ofeis at different depth of dischargeand charge - discharge at different charge - discharge rate reveale that, these material indicate lower conductivity at highcharge - discharge rate, resulting in bad electrochemical perforemence. melting - cooling and inorganic sol - gel were adopted, which facility - simpleand operating - easy, to prepare v _ 2o _ 5 xeroxes as positive material of li - ion battery. the comparision of structual and electrochemical performance between thesecathode materials were investigated for the first time. their electrochemicalbehaviorswerestudiedbygalvanostaticcharge - discharge, cyclicvoltammetry ( cv ), and electrochemical impedance spectroscopy ( eis ) techniques. the results indicte the sample that prepared by melting - cooling revealed moreexcellent performance at low charge - discharge rate, which achieved a high initialdischarge specific capacity of approximate 320 mah ? g - 1
通過各種充放電測試,循環伏安( cv )曲線以及電化學阻抗譜( eis )等測試手段對材料的電化學性能進行表徵,結果發現,在低倍率放電下,熔融淬冷法合成的材料具有更好的電化學性能, 0 . 1c恆流放電至1 . 8v時首次放電容量達320mah ? g - 1 ,並且發現, v _ 2o _ 5作為正極材料組裝成的鋰離子二次電池,除首次循環具有較大的不可逆容量外,其餘循環可逆且容量保持能力較好, 20次循環后,容量只衰減了6 . 40 % 。Real - time characteristics of data transmission, remarkable transmission, error - detection and automatic retransmission built in can protocol make it a good option for power line carrier communication, which has some obvious drawbacks such as wide - range variant input impedance, interference and signal attenuation
Can協議中數據的實時傳輸、卓越的錯誤檢出及自動重發功能為建立高效的基於電力線載波(電力線介質存在著大范圍變化的輸入阻抗,較強的干擾和信號衰減)的can通信系統提供了方便。In this paper based on the test and simulation of different power networks, the reliability and practicability of carrier communications are discussed and the impedance characteristic, transmission characteristic, the effect of noise on the low - voltage are also analyzed
本文基於對不同電網環境下的載波傳輸情況進行系統綜合測試和模擬的基礎上,針對載波通信的可靠性、實用性進行了探討。分析了低壓電力網的阻抗特性、傳輸衰減特性以及噪聲特性影響。The fuctions of impedance matching, over voltage protection, ac / dc coupling and amplification / attenuation in the analog circuit are designed to enhance the reliability and testing precision of the module
設計了具有阻抗匹配、過電壓保護、 ac / dc耦合、放大/衰減功能的前端信號處理電路,提高了模塊的可靠性和總體測試精度。But because of the disadvantages of noise, attenuation and rapid impedance changing, it will greatly affect the reliability of communication
不過由於中壓電力線具有噪聲大、信號衰減快、線路阻抗變化大等不利因素,在很大程度上影響了通信的可靠性。We probed into the most source - drain resistance and its temperature behavior particularly. the result of calculation indicated that the attenuation of source - drain current caused by the source - drain resistance increased when temperature increased
對寄生的漏源串聯電阻及其溫度特性進行了詳細探討,計算結果表明,漏源串聯電阻給漏源電流造成的衰減在溫度升高后變得很大。分享友人