調變碼 的英文怎麼說
中文拼音 [diàobiànmǎ]
調變碼
英文
modulation code-
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。Colour tv, colour tv with satellite channels, fax modem line, hair dryer, mini - bar in room, shampoo, tooth brush, broadband internet access, connecting room, electrical transformer on request, iron ironboard, safe deposit box - in room
彩色電視，彩色電視衛星電視，傳真資料調碼器，干發器，室內小型酒吧，洗發露，牙刷，寬頻上網，相連房間，租借變壓器，熨衣，室內保儉箱Alarm clock, audio visual equipment, colour tv, colour tv with satellite channels, electrical transformer on request, hair dryer, tea coffee making facilities, voice mail, broadband internet access, connecting room, extra bed, fax modem line, iron ironboard, mini - bar in room, safe deposit box - in room
鬧鐘，影音設備，彩色電視，彩色電視衛星電視，租借變壓器，干發器，咖啡茶機，留言服務，寬頻上網，相連房間，加床服務，傳真資料調碼器，熨衣，室內小型酒吧，室內保儉箱Audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, connecting room, electrical transformer on request, extra bed, fax modem line, hair dryer, in room data port, mini - bar in room, safe deposit box - in room, shampoo, shower cap, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, welcome tea, alarm clock, iron ironboard
影音設備，浴袍，寬頻上網，彩色電視，有線電視，彩色電視衛星電視，相連房間，租借變壓器，加床服務，傳真資料調碼器，干發器，室內資料輸人插口，室內小型酒吧，室內保儉箱，洗發露，浴帽，拖鞋，咖啡茶機，牙刷，留言服務，迎客果盤，迎客名茶，鬧鐘，熨衣Alarm clock, audio visual equipment, bathrobes, broadband internet access, colour tv with cable network, colour tv with satellite channels, extra bed, fax modem line, hair dryer, in room data port, mini - bar in room, safe deposit box - in room, shampoo, shower cap, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, welcome tea, connecting room, electrical transformer on request, infotainment with video on demand computer game
鬧鐘，影音設備，浴袍，寬頻上網，有線電視，彩色電視衛星電視，加床服務，傳真資料調碼器，干發器，室內資料輸人插口，室內小型酒吧，室內保儉箱，洗發露，浴帽，拖鞋，咖啡茶機，牙刷，留言服務，迎客果盤，迎客名茶，相連房間，租借變壓器，娛樂資訊收費電視電腦游戲Alarm clock, audio visual equipment, bathrobes, broadband internet access, colour tv, colour tv with cable network, colour tv with satellite channels, extra bed, fax modem line, hair dryer, in room data port, iron ironboard, mini - bar in room, safe deposit box - in room, shampoo, slippers, tea coffee making facilities, tooth brush, voice mail, welcome fruit, connecting room, electrical transformer on request, shower cap, infotainment with video on demand computer game
鬧鐘，影音設備，浴袍，寬頻上網，彩色電視，有線電視，彩色電視衛星電視，加床服務，傳真資料調碼器，干發器，室內資料輸人插口，熨衣，室內小型酒吧，室內保儉箱，洗發露，拖鞋，咖啡茶機，牙刷，留言服務，迎客果盤，相連房間，租借變壓器，浴帽，娛樂資訊收費電視電腦游戲Alarm clock, colour tv with satellite channels, fax modem line, hair dryer, mini - bar in room, safe deposit box - in room, shampoo, shower cap, tea coffee making facilities, tooth brush, welcome fruit, welcome tea, audio visual equipment, connecting room, broadband internet access, electrical transformer on request, extra bed, voice mail
鬧鐘，彩色電視衛星電視，傳真資料調碼器，干發器，室內小型酒吧，室內保儉箱，洗發露，浴帽，咖啡茶機，牙刷，迎客果盤，迎客名茶，影音設備，相連房間，寬頻上網，租借變壓器，加床服務，留言服務In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。Rosetta @ home updated to 5. 13. new version fixes some debugging code that was causing slowdowns in a small fraction of clients
計算程序升級到5 . 13版。新版本修正了一些可能導致少數機器變慢的調試代碼。In order to support multi - rate transmission in ds - cdma, many cdma techniques such as multi - code ( mc ) scheme, orthogonal variable spreading factor ( ovsf ) and variable modulation have been used
在ds - cdma系統中多速率傳輸的方法有很多種，例如多碼方案（ mc - cdma ） ，正交可變擴頻增益方案（ ovsf ）和多調制方案等。It showed that activated inhibition by weak noise could be gabaergic inhibition. from above the findings, we could give a hypothesis that the input of random oscillation induced by noise in the cochlea to central auditory system could be integrated in the central auditory nucleus and the response of sound - sensitive neuron to sound stimuli could be adjusted to an optimum state for signal intensity coding
根據這些變化可以推測，這種背景噪聲的生物學作用可能是通過弱噪聲所引起的耳蝸隨機共振的輸入，在上行過程中經各級聽覺核團的整合，將中樞聲敏感神經元調定在一種準備狀態，並定型放電率函數和調制神經元對聲馨碩士學位論文master 』 st砰iesis強的編碼。In the fourth chapter, firstly, the fsk / psk signal function is presented, then, the signal which frequency and phase are modulated by costas code and barker code for each are analyzed at the same time. after that, the target returns and clutter returns are analyzed and modeled. at last, both of the time correlation characteristics and space correlation characteristics are theoretically analyzed
在第四章中，首先給出fsk / psk信號的表達式，並對一種分別採用costas碼和barker碼進行頻率和相位調制的fsk / psk信號進行分析，然後對fsk / psk信號的目標回波和雜亂回波進行分析與建模，接著，對雜波信號的時間相關性和空間相關性進行理論分析，由分析結果可知， fsk / psk雷達雜波的時間相關性不變、空間相關性增強。We obtained the full length gene of hbfgf coding sequence with pcr, and adjusted the g + c content according the software dnasisv2. 5, and replaced the cys78 and cys96 with serines by site - directed mutagenesis. 2. sequence result suggested one of the recombinant is correctly synthezied and cloned
用pcr方法合成了hbfgf編碼區全長，其中前20個氨基酸的g + c含量按暨南大學碩士學位論文：大腸桿菌表達重組hbfgf結構和功能優化摘要照計算機軟體計算的結果進行了調整，第78和96位上的半瞇氨酸被突變為絲氨酸。According need to gate valvechange the valve installed state, stressed the need to code, so that hand valve and valve - round connection, the realization of the valve rod rotation
根據需要改變閥門設置狀態時，需經調碼后，使閥門手輪與閥門桿聯接，實現閥門桿的轉動。The anchor district " s function should be adjusted to enhance food unload and swallow to vomit ability and adapt the change of domestic market and international market. the use of anchor district should be perfected and the port efficiency of loading should be enhanced
同時，為提高糧食裝卸吞吐能力和適應國內外市場變化，可在適當時機調整碼頭泊位使用功能，將泊位使用進一步專業化，提高碼頭裝船效率，並進行碼頭卸船功能改造，完善碼頭功能。Pulse - code modulation, pcm
脈沖碼調變Pulse - code modulation
脈沖碼調變36 covers the fundamentals of digital communications and networking, including the basics of information theory, sampling and quantization, coding, modulation, signal detection and system performance in the presence of noise
36包含數位通訊和網路基礎，其中計有基本的資訊理論、取樣及量化、編碼、調變、訊號偵測及有雜訊時的系統效能。Aiming at realizing an all - digital programmable qpsk modulator with data rates covering 2k ~ 2. 048mbps, this thesis puts research on modulator architecture, base - band signal shaping, programmable interpolation algorithm, and digital signal processing algorithms with fpga. we have completed the program design and the timing simulation, the pcb board has been fabricated. the similation result is given to verify the design
本文以實現2k ~ 2 . 048mbps傳輸速率的變碼速率全數字qpsk調制器為目標，對全數字調制器結構、基帶成形濾波、高倍可變內插以及基於fpga的信號處理演算法等問題進行了研究，編寫了調制模塊的vhdl程序，完成了軟體環境下的驗證調試，並設計實現了板級調試系統。Then produce the frequency complement algorithms and detemine the funcion x / sinx as the complement frequency response. with the combination of their different merit, we put forward the multistage interpolation algorithm. based on the efforts above, we determined the overall architecture of the variable - rate modelation and each unit design, and the emphasis is the 3 - stages algorithm for the variable - rate interplation. the simulation results of the modulator are also given and verified by matlab signal procesing toolboxes
在以上研究的基礎上，採用變碼速率調制模塊的結構與各模塊的具體實現方案，著重討論了變速率內插的多級實現問題，簡要分析了此方案的優點，給出了rtl級的模擬結果，並將結果導入matlab中，利用信號處理工具箱進行分析驗證。分享友人