選用選擇號碼 的英文怎麼說
中文拼音 [xuǎnyòngxuǎnzháiháomǎ]
選用選擇號碼
英文
option select number- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 擇 : 擇動詞(挑選) select; pick; choose
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 碼 : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
- 選用 : select and use [apply]
- 選擇 : select; choose; opt; election; choice; culling; alternative
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On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。So some numbers dialed will be redialed by the mcu through the gsm modem according to customers " will, also the ip number can be added automatically, which not only reduce call fees but also make convenience and improve efficiency for customers : we design the hardware circuits first
撥號時,在不改變使用習慣的前提下按用戶意願將部分所撥號碼從無線系統中旁路出去,在用戶端即可完成電信網路的自動路由選擇。並可在撥號過程中自動加入網路標識碼,既節約費用,還方便用戶,提高效率。According to the setting of the user, the called user may choose the real or short number of the calling user of the same group as the calling number to be displayed, and may call back by dialing the number chosen
根據用戶的設置,被叫用戶對可以選擇同屬於一個集團(網內呼叫)時來電顯示方式:可以是主叫的短號碼,也可以是主叫的真實號碼。You may be asked to choose a password and a user name, and you are entirely responsible for maintaining the confidentiality of your password and account. your login name may not include any racist, profane, crude or otherwise be offensive
系統會要求你選擇一個密碼和一個用戶名,用戶對該帳號和密碼的安全保密負完全責任,並對以此用戶帳號進行的所有活動和事件負完全責任。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown
本文認為,色度dc系數是魯棒性非常好的參數,因而選擇色度dc系數作為水印信息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案,由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和密碼,利用本文構造的混沌系統產生的混沌序列對水印信息進行變換,同時,對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。The mssr mode s technology, which was introduced firstly for the purpose of air tranfic control ( atc ) system, is based on the individually addressing and selective interrogation technology. the mode s can overcome many problems exist in mode a / c, such as signal interference, limited aircraft identification, garble and fruit, and provides the ability to build digital data link. many countries and organizations do them best to support researches about the communication, navigation and surveillance technology, which are all based on the mode s, and many productions have been adopted step by step by the international civil aviation organization ( icao ). so, to research the key technologies of mode s will contribute a lot to the development of domestic aviation system, especially for the air control system, identification friend foe and navigation system
它建立在獨立編址、選擇性詢問的基礎之上,能夠解決在模式a / c中存在的信號干擾、有限的信息編碼、幻影( garble )和異步應答( fruit )等問題,同時在數據鏈路方面有著巨大的潛力。國際上,模式s的數據鏈技術得到了廣泛的關注,許多國家和組織大力支持基於模式s的通信、導航和監視技術以及航空管理新技術的研究,許多成果正逐步被國際民用航空組織( icao )所採用。因此,對模式s核心技術的深入研究對於我國在航空管理、敵我識別、導航等方面的發展有著重大的意義。At this point, the new user can log in to the portal with the username and password chosen during the account request and activation process
現在,這個新用戶就可以使用在帳號請求和激活過程中選擇的用戶名和密碼登錄到門戶中了。The selection of the pn sequence is very important because it influences the quality of the channel measurement directly. so it is discussed in this paper. because this system is a set of software radio, that is to say that the system is based on the pc platform and all other function is implemented by programming, so the selection of correlation fast algorithm, which is used in receiver frequently, is also very important
本文對直序擴頻技術進行了系統地研究,對其中偽隨機碼的選擇直接影響到通道測量的質量的問題進行了討論,因為本系統是一套軟體無線電,即以pc機為平臺,其他的功能都由軟體編程完成,所以對信號接收中大量使用的相關的快速演算法的選擇也至關重要。Such method divides the whole image into a series of image layers including different signal characteristics, such as low - freq & edge layer and texture layer. for the first, we adopt wavelet image algorithm ; for the latter, matching pursuit based on redundant dictionary is utilized
它將圖像劃分為一組包含不同信號特徵的圖像層,如低頻邊緣層和紋理層等等,對於前者可以選擇採用小波零樹編碼方案,而對後者則採用基於冗餘字典的匹配分解演算法。Type the phone number " 8989888 " in the telephone number box for 56k dial - up service. unclick the " use area code and dialing rules ". click " next "
于電話號碼鍵入56k上網服務的電話號碼: 8989888 ,並不要選擇使用區碼及撥號規則,按下一步。It is thus understandable that the general public and the businesses would prefer using simpler authentication methods such as one - time password or pin
因此,一般市民及企業選擇使用如一次性密碼或個人辨認號碼等較簡單的認證方法,這點是可以理解的。The use of mpeg - 2 aac compression and multiplex technologies makes it possible to transmit signals through satellite, terrestrial and mobile means. as a unique feature, isdb permits user to receive a low - resolution edition in favour of better mobile reception. in an interference - free environment, viewers may choose to receive a high - resolution edition for better picture and sound quality
它使用以mpeg - 2aac壓縮編碼與多工技術,可以透過衛星、有線與地面無線等不同傳輸媒體播送; isdb有一個較其它系統獨特的功能,就是聽眾可以選擇接收低解像度的訊號,來換取良好的流動接收效果,而在無干擾情況下,又可以選擇接收高解像度的訊號,來享受高質的視聽效果。In the part of platform designing, proper peripheral chips are chosen according to the audio signal format. and how to achieve channel synchronization in the receiving part is an important aspect of wireless transmission system. in order to solve this problem, three algorithms are used ; those are scramble / descramble, improved over - sampling, and frame synchronization protocol
在硬體驗證平臺的設計部分,文章根據音頻信號的特點選擇了適當的外圍晶元,並且針對無線傳輸接收端的同步問題,採用了三種演算法來減少失步現象,即擾碼/解擾演算法,改進型的過采樣演算法,以及幀同步協議。Simple manipulator may do not outer connect signal or connect one - way measure signal namely can direct control operation signal output by keystroke operate, apply to differential kinds of a variety of valve manual locating control, display screen indicates measured value or output percentage, which can be self - set by customer
Wp - ks805系列智能雙迴路串級pid調節控制儀採用先進的微處理器進行智能控制。具有多種輸入信號切換功能和雙屏數碼雙光柱顯示型式。可選擇rs232 rs485串列通訊介面,並可實現多機通訊。8. in the group level box, type or select the number that corresponds to the outline code level by which you want to group, and then click ok
8 。在「分組級別」框中鍵入或選擇與用於分組的大綱代碼級別相對應的編號,然後單擊「確定」按鈕。Distortion and gauss white noise distortion. the simulation of ideal system aims at absolutely clean channel, and the nonideal systems respectively set their channels as ricean channel ( multipath distortion channel ) and awgn ( gauss white noise distortion channel ). at the end of simulation, it use examining means of communication system as ber ( bit error rate ) analysis and eye diagrams analysis, then gives a summarize and a comment to the system
模擬中的系統結構、模塊和傳輸速率的選擇符合標準的dvb1規范en300744 ,理想系統的模擬是針對完全乾凈的通道,而非理想系統分別將通道設置為hcean通道哆徑干擾通道)和awgn (高斯白噪聲通道) ,模擬最後用通信系統的檢測手段進行誤碼率分析和眼圖分析,並對該系統作了總結和評價,加深對了dvb1系統的信號處理過程的理解,明確了目前面臨的問題。The sidelobes characters of the pn codes modulated by signals are discussed taken m - sequence and kasami sequence as examples in this dissertation. it can raise the mainlobe - sidelobes ratio when the initial phase is properly chosen. the mainlobe - sidelobes ratio can even be further improved when mismatched filters are adopted
本文第二章從國防重點型號裝備研製項目「北斗一號」用戶機的應用需求,以m序列和kasami碼為例,研究了有符號調制的偽隨機序列的旁瓣特性,指出通過選擇合適的偽隨機序列的調制初相,可以明顯的改善主旁瓣比;失配接收可以進一步提高主旁瓣比。The system adopts an advanced specific speech compression chip based on ambe algorithm. it can achieve high compression rate at 4 kb / s. the system first performs a / d conversion on analog speech input to obtain pcm signal and the pcm signal was encoded by the main compression chip
它採用了比較先進的基於ambe演算法的專用語音壓縮編/解碼晶元,壓縮率高,可以將數字語音信號碼率壓縮至4kb / s ,且編碼速率可通過修改控製程序選擇。The reseach work focused on the time delay estimation of the common practical radar singnals, including harmonics signal, chirp signal, polynomial phase signal, and phase - shift keying signal. the new algorithm for different radar signals are deduced in detail respectively, and simulation results are presented. the results proved that the new method is efficient for time delay and some other parameters estimation
正弦信號、線性調頻信號、多項式相位信號、相位編碼信號是雷達信號中常用的幾種信號,對這幾種信號的研究是雷達信號處理中非常重要的內容,也是實際工程的需要。因此,本文選擇上述幾種信號作為研究對象,對這幾種信號的時延估計演算法進行了建模和理論推導,給出了時延估計演算法的具體表達式,並進行了計算機模擬。分享友人