接受到信號 的英文怎麼說
中文拼音 [jiēshòudàoxìnháo]
接受到信號
英文
pick-
Both mechanical damage and insect herbivory make plants emit damage - induced volatiles which not only have the functions of indirect and direct defenses but also can server as interplant. alarming signal
摘要植物在遭受到機械損傷或昆蟲取食后釋放出的傷誘導揮發物,除了具有間接防禦和直接防禦功能外,還具有作為報警信號在植株間傳遞傷害信息的作用。In the digital mobile communication, with the effect of modulation, transmission channels and demodulation, the received signal ineluctably has some distortion. frequncy offset is one of them
在移動通信系統中,信號經過調制發射、通道傳輸和接收解調的過程中,不可避免的會引入一些干擾,使得有用信號受到影響。The human nose uses a complex system of interconnected receptors and neurons, which conduct signals to the brain for interpretation
人的鼻子使用一個接受器和神經元相互連接的復雜系統,這個系統將信號傳導到大腦進行解釋。Fixed camera fastening its interior is loaded with an electric motor, on installs the good camera after the level to be possible to adjust the angle which the camera deals with, after achieved the best surveillance effect may accept the automatic control regulator by the electric motor the signal precisely to move the localization in under the control signal function, the camera already may automatically carry on the horizontal scanning to monitor the region, also may in under the monitoring center attendant s operation the moving surveillance object input voltage : ac 24v 50 60hz, 110v 60hz, 220v 50 60hz external dimensions : 119mm 115mm is high the weight : 0. 9kg material : abs high strength casts takes shape the degrees rotation : level biggest : 350, vertical 90 may adjust the velocity of whirl : 5 second 4 seconds revolve the spacing : exterior spacing card tunable load : 7kg function input plug : 1
Kl - 306室內水平雲臺是安裝,固定攝像機的支撐設備.它內部裝有一電動機,在水平雲臺上安裝好攝像機后可調整攝像機俯仰的角度,達到最好的監視效果后可由電動機接受來自控制器的信號精確地運行定位.在控制信號的作用下,雲臺攝像機既可自動進行水平掃描監視區域,也可在監控中心值班人員的操縱下跟蹤監視對象Its concrete method is : firstly, precondition the program code. secondly, collect information which will be put use to simulate. lastly, make use of the information collected to simulate to compute, and associate with the controlled object ’ s program module to carry out the multi - cyclical closed - loop simulation
它的實現過程是:先對控制計算程序代碼進行預處理,接著提取程序代碼的結構信息和變量信息,最後利用提取的信息模擬代碼做控制計算,並調用受控對象程序模塊,得到反饋信號變量的實時值,實現多周期閉環的控制計算模擬。The buyer shall hae the coering letter of credit reach the seller ( or notify the import license number ) before failing which the seller reseres the right to rescind without further notice
買方須于年月日前開到本批交易的信用證(或通知售方進口許可證號碼) ,並須售方有權;不經通知取消本確認書,或接受買方對本約未執行的全部或一部分,或對因此遭受的損失提出索賠。The buyer shall have the covering letter of credit reach the seller ( or notify the import license number ) before failing which the seller reserves the right to rescind without further notice
買方須于年月日前開到本批交易的信用證(或通知售方進口許可證號碼) ,並須售方有權;不經通知取消本確認書,或接受買方對本約未執行的全部或一部分,或對因此遭受的損失提出索賠。The industry cannot prevent widespread infringing activities on its own. we strongly believe protection of broadcast signal whether free or encrypted should be effectively given throughout the delivery and reception chain
我們深深相信,無論電視廣播信號是免費或是鎖碼的,其信號播放以至信號接收的整個過程都必需受到最有效的防護及保護。The theory of digital receiver working with software radio is fully developed, however, limited by the current technical level, it is difficult to realize rf signal digitalization. thus, the prevalent choice is if signal digitalization
基於軟體無線電思想的數字化接收機理論已經相當成熟,但由於受到硬體器件發展的約束,直接對射頻信號采樣處理面臨著很大困難,因此目前通常採用中頻數字化接收方案。Tarter strongly believes in the search for extraterrestrial intelligence, although unlike ellie arroway, she seems to accept that a momentous signal may not come in her lifetime
塔特對于搜尋外星智慧堅具信念,不過她跟艾伊莉?亞羅威不太一樣,她似乎能接受也許一輩子都不會偵測到重大訊號的事實。Addressable - able to signal from the headend or hub site in such a way that only the desired subscriber ' s receiving equipment is affected, making it possible to send a signal to a subscriber to change their level of service ( e. g. adding a new premium channel )
有選址功能的- -有選址功能的有線電視設備,能從有線電視設備前端或電線插孔發出節目信號,只有那些有需求的用戶的接受設備才能收到此信號,這就能做到向用戶發出信號來改變他們的服務水平,比如增加一個新的付費頻道等。The reasons of the signal distortion are analyzed, and the relations of receiving bandwidth with distortion degree is discussed, for the more a steady point in the amplitude modulation signal is given by the method of the statistics. looking at the point as the timing reference point of the receiver, the stability of the receiver is less than 100us
分析了接收信號失真和受干擾的原因所在,論述了接收帶寬和失真程度的關系,並在此基礎上,利用統計的方法在調幅信號的下降沿上找到了一個較為穩定的特徵點,將其作為接收機的定時參考點,定時不確定度可以達到數十微秒量級。Prior to its submission, other scientists had verified that a very unusual signal had been received by some very special device they employed to monitor this victim ' s tv set
在這個記錄被提交之前,另一些科學家已經證實了一個非常不尋常的信號,它是通過一些非常特別的設備接收到的,他們被僱用去監測受害者的電視機。Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method
傳統檢測器(單用戶匹配濾波)利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中,通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應,使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機,有效控制接收信號的能量,從而極大地提高了接收機的抗遠近性能,同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user
本文工作的主要成果是: 1 )將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術,研製成功較為實用的小型智能超聲波硬度檢測儀2 )採用lcd ( liquidcrystaldisplay )液晶顯示,使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 )在理論上建立了該系統的頻率信號與硬度值的數學模型,具有非常重要的實踐意義4 )對各元器件進行優選,達到低能耗、體積小、重量輕、價格便宜等目的5 )採取措施降低整個系統的能耗並對系統的供電進行了合理的管理,使其進一步達到低能耗,延長了電池的使用壽命。 6 )利用rs - 232標準介面,討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel. a primary advantage of psi is its high precision. with careful control of environmental conditions, measurement precision to the nanometer scale or below is possible with psi
它的基本測量原理是,通過攝像系統( ccd )接受到的干涉圖中空間坐標已知的各個像素點的光強信號,在壓電晶體驅動參考光程有序變化時,採集到多幅干涉圖的光強信號,由移相干涉法,由光強值得到被測光程差值(位相值) 。The distorted portion of a received signal
接受到的信號被扭曲的部分There are a lot of ways to realize the alarm when the train approach, and sound alarm is used in this device, when the sensor receives the train - approaching signal, the controller will analyze and handle the signal of coming train by the direction of coming train, and make an alarm signal of up or down traveling train approaching
列車接近報警的實現有很多方法,本儀器採用聲報警器的工作方式,傳感器接受到列車接近信號,控制器對來車信號進行分析處理,並按來車方向,通過聲報警裝置發出上行或下行列車接近報警信號。For radar is a complicated electronic system, the implementation of uwb will be subject to the level of electronic hardware. the large instantaneous bandwidth of uwb return causes great trouble to receiver
由於雷達是綜合性很強的電子系統,超寬帶雷達的具體實現要受到實際硬體水平的限制,其中視頻回波信號瞬時大帶寬給接收機數據採集造成了很大的困難。Recent studies indicated that the marine macroalgae will produce elevated level of active oxygen species ( aos ) after treated with elicitors, such as oligosaccharides, which means the existence of the first step of chemical signal similar reaction system in higher plants. what are the followed reactions process occurred after the marine alga host receiving the aos signals, it is very interested and attracted to many researchers, therefore either this is the main contents of this thesis study
近年來的研究結果已經初步表明:大型藻類在受到寡糖等刺激因素作用下能夠產生活性氧水平的迅速升高,這意味著類似於高等植物化學信號響應體系的第一步是存在的,那麼藻類在接受到活性氧信號后會產生怎樣的后續反應呢?分享友人