擾天電 的英文怎麼說
中文拼音 [rǎotiāndiàn]
擾天電
英文
disturbed weather electricity-
Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas
道上車輛船舶和設備上用接收機保護的無線電干擾特性.限值和測量方法.有源天線規范Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism
超聲波電機（ ultrasonicmotor ）是近二十年來發展起來的一種新原理電機，其原理不同於傳統的電磁型電機，它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動，通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比，具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點，因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。1933 for unique film company of shanghai and took hong kong, macau, southeast asia and even the america market by storm, cantonese was here to stay on the screen. even the controversial attempt to ban cantonese filmmaking in the 1930s failed to stifle it. it was once reported that ruan lingyu was going to part with united photoplay service and join unique to star in a film recorded with the movietone system guangzhou
二十及三十年代之初，我們只有國產片，沒有港產片，但自從薛覺先為上海天一影片公司拍了中國第一部粵語片白金1932后，親切的哩啦哦之粵聲就透過菲林響徹港澳兩廣東南亞甚至美洲等地，幾乎沒有間斷過，就連三十年代中期擾攘一時的禁粵語電影運動，最終也只能不了了之。Interference to radio astronomy observatory service and protection of electromagnetic environment
射電天文業務干擾評價和電磁環境保護探討上As the vital development of the millimeter wave guidance technology, phased array antennas use electrical control scanning beam, which results to faster scanning velocity, more flexible beam control and higher anti - interference ability. thus it can realize target seeking, tracing, guidance at the same time, and can work in the complex and worsening condition
作為毫米波制導技術的一個重要發展方向，相控陣制導技術中的相控陣天線是採用電控方式掃描波束，掃描速度快、波束控制靈活、抗干擾能力強等，可以同時完成目標搜索、跟蹤、引導等多項功能，能工作在日益復雜和惡化的工作環境中。Nowadays with the booming development of microelectronic technique, the functions of the components of machinery, electricity, magnetism, optics, acoustics and thermotics have been improved rapidly. and the micromation of components, the integration of electronic equipments, the worse working environment, the increasing requirement and emi, all of these make the structural design of electronic equipments more and more important
在微電子學高度發展的今天，促使機、電、磁、光、聲和熱等元器件功能飛速提高，隨著元器件微型化，電子設備趨向集成化，再加上一些日趨惡劣的工作環境，各種使用要求的提高，空間電磁環境的干擾，以及由於裝填密度高，產生的內在干擾等，使得電子設備的結構設計變得越來越重要。Interference. gps signals are received by the antenna, amplified within the antenna assembly, and then relayed via cable to the oncore receiver module for processing
這種天線的設計反映了motorola對高標追的追求，即使再有電磁干擾的情況下操作， gps信號通過天線接收，在天線內置放大通過線纜傳輸到oncore接收器上進行數據處理。To add " there are many loopholes in the operation and sales practices of telecommunications service providers, " after " that, as " ; to add " and such complaints from the public are often not followed up effectively by government departments, " after " in recent years, " ; to add " stipulate corresponding penalties " after " to cover pay television, " ; and to add " ; furthermore, as the hong kong housing authority has signed agreements with pay television operators, these operators can enter the buildings to set up and maintain communal aerial systems and can deploy front - line promoters to approach the residents to sell other various commercial services, using the provision of exclusive maintenance and supply services as a selling point and adopting unscrupulous means to entice or mislead the residents into signing an agreement with them, causing great disturbance to the residents ; in this connection, the government must adopt measures to combat such sales malpractices, take the initiative to inform public rental housing tenants of the rights and responsibilities of the operators and, when the operators resort to malpractices or malpractices are reported by residents, take immediate action to investigate the matter and issue warning to and penalize the operators concerned ; the government must also review the problem of inequity in accessing system information by consumers and the telecommunications service providers, whereby consumers have no means or right to obtain true and accurate information about the systems that they are using and can only pay the fees according to the volume, system and time slots of their calls shown on the records provided unilaterally by the service providers, and in case of queries about such information, the decision of the service providers prevails and there is no channel for the consumers to dispute or verify ; to this end, the government should expeditiously study how to ensure that consumers have the rights to know, choose, verify, appeal and claim for compensation in the provision of telecommunications services including pay television, local and cross - boundary telecommunications and internet services " after " in the contracts "
在"鑒于"之後加上"各電訊服務提供者的營運和銷售存在不少漏洞， "在"不斷增加， "之後加上"而市民的投訴又往往得不到政府部門的有效跟進處理， "在"收費電視， "之後加上"訂定相應的罰則， "及在"標準合約條款"之後加上"此外，由於香港房屋委員會與收費電視營辦商簽訂協議，該等營辦商可進入大廈鋪設及維修公共天線系統，並調派前線銷售人員，以獨家提供維修及供應服務作為招徠，向住戶推銷其他各種商業服務，以不當手法誘使或誤導住戶與他們簽約，對居民造成很大困擾就此，政府必須採取措施打擊上述違規營銷的手法，並主動告知公屋住戶該等營辦商的權責范圍，遇有營辦商作出違規的行為或居民舉報營辦商的違規行為時，須立即追查，並向有關營辦商發出警告及作出處分政府亦須檢討現時消費者與電訊服務供應商所獲系統資訊並不對等的問題，即消費者無從及無權得知他們所選用系統的真實資料，令他們只能按服務供應商單方面提供有關通話量通話系統及通話時段的記錄繳交費用，遇有消費者質疑上述資料時，往往只由服務供應商作最終決定，消費者無從申辯或查證就此，本會促請政府盡快研究如何就各類電訊服務包括收費電視本地及跨境電訊網際網路等的提供，確保消費者享有知情權選擇權覆核權投訴權及索償權" 。In chapter 4, a simulation approach is presented, which combines the outdoor radio propagation model, the eigen - driven patterns of handset diversity antenna with two feed ports and combining schemes of receiving signals, to investigate the performance of a dual antenna handset under co - channel interference ( cci ) and multi - path fading environment
第四章首先用本徵激勵方向圖的概念來產生手機雙埠分集天線的接收信號矢量，然後將其與城市室外電波傳播模型、分集合併方式相結合，建立了分析在具有共道干擾和多徑衰落環境中手機雙天線系統的性能模型。The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance
高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋，很好地解決了噪聲問題;接收機採用兩副天線切換工作，提高了音頻信號接收質量，有效地抑制干擾，提升了系統的性能。Consuming only minimal five - volt power, this new antenna design reflects motorola s
高性能、無干擾天線供電至少5v 。Telecommunications - fixed radio systems - point - to - point and multipoint systems - spurious emissions and receiver immunity limits at equipment antenna port of digital fixed radio systems v1. 2. 1
電信.固定無線電系統.點對點和多點系統.數字固定無線電系統的設備天線埠的雜散輻射和接收器抗干擾限值Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference
用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。Researches on the theory and practical application of ground equipments electrical - magnet compatibility and ground connection requirement are given in this paper, which based on the gjb1695 - 93 and theory of ground connection technology, aimed at the problems of ground connection of test equipments and bad electrical - magnet compatibility of power supply and distribution in aerospace experiments. 0
本文根據gjb1695 - 93航天系統地面設施電磁兼容性和接地要求，以接地、配電技術有關理論為依據，針對長期困擾航天試驗中試驗設施接地系統和供配電制式存在的電磁兼容性差問題，為滿足測試試驗要求進行了理論與實際應用研究。For missile, either strategical or tractical, the most important thing is to attack the target accurately. this depends upon the accurate location of the larget by the missile radar. for protecting radar antenna from external environment and for air - dynamical requirement, a radome is used to enclose the antenna. but the radome interferes in the orientation of the antenna, degradaties its perfor - mance, decreases the power reaching the target, and most importantly, it produces so called boresight error ( bse ) that is, makes the antenna shows a slightly different direction of the target from its true direction, the boresight error is define as the angle shifted, and the boresight error slope ( bses ) is defined as the ratio of angle shift to the tracing angle of the radar antenna. to predict the boresight error and boresight error slope is an unavoiding chief task in designing radome and in its operation
在戰略和戰術雷達制導導彈中，一項重要的工作就是對目標的準確跟蹤，這取決于導彈雷達對目標的準確定位。為了保護雷達天線不受外界環境的影響，天線罩被應用進來，但天線罩在保護天線不受外界惡劣環境影響的同時對天線電磁輻射產生某些干擾，使天線的電氣性能降低，影響天線的功率傳輸，更重要的是產生瞄準誤差。它使目標的視在位置與真實位置有一個角度差，這個角度差就是天線罩的瞄準誤差。Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close
線天線在移動通信系統中被廣泛地應用，它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠，最有可能成為輻射干擾的干擾源和敏感體，特別是當天線靠得很近的時候，必須考慮相互之間的互耦。As the test signals of the trial will be transmitted via channels 35 and 37 ( never been used before to transmit television signals ), thus the television antenna systems using the said channels or the adjacent channels 34, 36 and 38 for other usages, such as the video cassette recorder ( vcr ) channel or closed circuit channel, might encounter interference during the said period
是次測試使用的第35及37頻道，由於以往未有用作電視訊號發射，故任何電視天線系統如透過以上頻道或相鄰頻道（即34 、 36及38 ） ，作其他用途，例如用作錄影機播帶頻道，保安攝影機頻道等，將可能受到干擾。Above ground, several stations are equipped with a base station antenna to cover their areas. below ground, communication is via leaky coaxial cables driven by radio base stations located in each underground station. as a result, interference at entrances to underground stations happens frequently
3 .地面沿線部分由數個車站設置基地臺之天線電波涵蓋，地下車站每一車站皆有基地臺透過漏波電纜輻射涵蓋，因而地下車站出入口部分干擾常常很嚴重。Detecting a magnetic field surrounding an earth - like exoplanet would prove a promising sign for finding extraterrestrial life
此外，使射電望遠鏡遠離地球上用於通信的短波長無線電波的喧擾，可以讓天體物理學家們以前所未有的細致度觀測早期宇宙。Moreover by pointing the telescope away from the din of shorter - wavelength radio waves that are used for communication on earth, astrophysicists would be able to see the early universe in unprecedented detail
此外，使射電望遠鏡遠離地球上用於通信的短波長無線電波的喧擾，可以讓天體物理學家們以前所未有的細致度觀測早期宇宙。分享友人