碼片率 的英文怎麼說

中文拼音 [mǎpiānlǜ]
碼片率 英文
chipping rate
  • 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...
  • 片 : 片構詞成分。
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中編碼視頻信息在進行打包封裝前，首先根據當前通道狀態信息自適應地確定其在nal層中的工作模式，在無丟包通道中採用單數據片模式以降低編碼視頻流的打包開銷，提高編碼效率；而在丟包通道中採用數據分區模式以提高編碼視頻流對通道誤碼的魯棒性能，同時基於人眼視覺特性，提出了一種改進的uep策略。
  2. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對計算機輸出的控制信號加密處理，將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號，送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號，送入cpu單元后，解出不授權信號，然後向關斷部分送入信號，關斷部分利用pin二極體的寬帶工作能力以及關斷特性，實現對非授權用戶或者非法用戶的信號關斷，使之不能正常收視，繳費用戶進行開通正常收視，達到控制用戶通道的管理。
  3. The nonlinear filtering for nbi estimate - subtract assumes that the prediction error is dominated by spread spectrum signal and the background noise power is far below spread spectrum chip power, this assumption promises the low error ratio of chip decision but may not be attainable to digitalized dsss receiver in military communication environment, and does not coincide with the principle of dsss communication that decreases bit error ratio ( ber ) depending on spread spectrum gain, not on chip power

    在干擾估計抵消濾波中，以往的非線性濾波要求干擾抵消濾波后擴頻信號功率遠大於殘余噪聲功率，進而假設碼片判決的誤碼片率基本為零，這一要求對軍用擴頻通信是不利的，而且也不符合擴頻通信利用擴頻增益降低誤碼率的原則。
  4. Cryptogrammic chip introduced in this paper has been tested on the altera ' s apex20ke fpga. the main clock frequency reached 40mhz. the chip includes 30, 000 les. in order to utilize esb resource in altera ' s chip, we adopted embedded rom and ram and can realize the function of whole system with only one chip. lt is the embodiment of methodology and notion of sopc ( system on a programmable chip ). the simulation of this cryptogrammic chip proves the correctness of function of the chip, which shows that the important ideology based reconfigurable architecture has special significance in designing of cryptogrammic chip

    本文所闡述的密碼晶元在altera公司的apex20kefpga上進行了測試。工作頻率達到了40mhz ，佔用了3萬個le . ，利用altera器件的esb資源，採用內置ram和內置rom設計方法，用一片晶元即可實現整個系統的功能，充分體現了sopc的設計方法和理念，對晶元的模擬和測試均證明晶元功能正確，表明基於可重組體系結構這一重要思想在密碼晶元設計中具有特殊的意義。該晶元的設計遵循hdl設計方法學的一般方法。
  5. With the rapid development of digital era, c & i （ beijing ） digital technology co., ltd. has gathered the experiences of research and production in the field of dye - sublimation for more than ten years, offered various kinds of dye - sublimation printer for meeting the needs of speed and convenience in the modern society, supplied high - quality and low - cost ribbon to strengthen the competition and popularity of dye - sublimation printer through the dye - sublimation technology and production line

    迎著數碼時代的飛躍發展，希恩艾（北京）數碼科技有限公司在熱升華領域里積累了十幾年的研發及生產經驗，推出了數款迎合現代社會快速便利特點的數碼照片快印設備，並採用熱升華彩印技術及生產線，提供高質量、低成本的色帶，帶動數碼熱升華彩印系統相片成本的降低，增強數碼熱升華彩印系統的競爭力和普及率。
  6. The cloning cdna fragment was extracted from positive clones and sequenced. the results showed that the cdna fragment was 816bp in size, encoding a protein which included 272 amino acids. the sequence homology analysis was carried out via the software blast 2. 0 network service in the four large databases - genbank, embl, ddbj, pdb, which had recorded 1 337 978 nucleotide and protein sequences. the results of the analysis indicated that the nucleotide homologous rates between the rubber tree etr and 15 recorded etrl of other plants ( mango, passion fruit, persia plum, strawberry, grape. . etc ) were 75 % - 80 % ; the protein homologous rates between the rubber tree etrl and these recorded etrl genes were 90 % - 95 %. from the results mentioned above, we could confirm that the cdna of rubber tree etrl had been cloned

    從陽性克隆子中提取克隆片段，經序列測定分析，結果表明，克隆片段的cdna大小為816bp ，編碼的蛋白質包含272個氨基酸。基因序列通過blast2 . 0networkservice軟體對genbank ， embl ， ddbj ， pdb四個大型數據庫中記錄的1337978條核酸和蛋白質序列進行序列相似性檢索，結果表明與芒果、一西番蓮、波斯梅、草毒、葡萄、西洋梨等15種已報道的植物的etrl基因cdnag的同源率為75 88 ；蛋白質氨基酸序列的同源率為90 95 ，表明本研究確實克隆到了橡膠樹etri基因的cdna序列。 4
  7. This product fits for testing the even degree of one - metre - length ( 1 / 2m, 1 / 3m ) lap and the actual length of lap at the same time

    測定棉卷一米（或碼）長度片段的均勻情況，實際長度，核算棉卷的伸長率。
  8. Determine cotton roll - the uniform of meter ( yard ) sectional length and practical length. check and calculate the specific elongation of cotton roll

    測定棉卷一米（或碼）長度片段的均勻情況、實際長度，核算棉卷的伸長率。
  9. However, the speed of the storage memory and the data transform between memory and processing units is not as high as the processing units. it becomes the bottlenneck of the system

    Mpeg - 4asp規定的圖像大小為720x576 ，幀率為25fps ，解碼過程中的數據量是非常大的，幀存只可能放在片外ram中。
  10. Based on output wave of hs2260 encoding chip, this paper analyzes the encoding features of this chip and come up with the specific method of auto - adapted baud rate decoding of this chip by mcu and the method that was used in the long - click and double - click events recognition that was applied in remote controllor by this chip

    從hs2260編碼晶元的輸出波形入手，分析了該晶元的編碼特徵，提出了使用單片機對其進行自適應波特率解碼的方法，同時也提出了該晶元在遙控器應用中的長鍵及雙擊動作的識別方法。
  11. Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency

    Ds信號是經過高速偽隨機序列和正弦載波二次調制的寬帶信號，因此具有周期平穩特性，它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率信息特徵，在譜頻率等於載頻截面切片上包含了偽碼速率信息特徵;相頻特性在循環頻率等於兩倍載頻截面切片上包含了載波初相信息特徵。
  12. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象，在詳細分析原設備的系統結構和功能實現方式的基礎上，指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題，同時結合系統的低功耗需求和優化人機介面設計，本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案：在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路； cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計；基於低功耗設計的器件選型方案和單片機待機模式設計；人機介面的lcd菜單操作方式。
  13. The 3rd generation ( 3g ) mobile communications system and part of the 2nd generation ( 2g ) mobile communications use pn sequences or walsh codes as spread codes, and their system capacities are limited by the multiple access interference ( mai ) from asynchronous transmitted signals

    採用pn序列和walsh碼進行直序列擴頻的第三代和部分第二代cdma移動通信系統，其容量受到異步傳輸時多址干擾的限制，其數據率因在n個碼片的時間內只能傳輸一個數據符號而受限。
  14. Weekly 1 hour of music charts from mtv asia 3 channels. pick out the hottest pop music, send out your blessing in time music video by request daily to music crazy friends, family and loved ones. broadcasting global high quality, and energetic music videos

    每周一期，每期60分鐘，以mtv亞洲叄個頻道的播放率為主，引用世界唱片工業協會排行榜和唱片公司銷量數碼做出最後排名，介紹港臺最新流行國語歌曲榜，並推薦最新的港臺國語流行歌曲。
  15. With the downlink simulation model constructed, performance of wideband cdma under different radio propagation environment and vehicular speed is simulated. based on system model of mc ds cdma under flat fading channel with relative shifts of spreading sequences within 1 chip and frequency selective fading channel with arbitrary relative chip shifts, performance of multicarrier cdma system with go sequences under different radio environment is investigated

    基於多載波直接序列碼分多址在乎坦衰落通道中序列偏移小於1個碼片及在頻率選擇性衰落通道中偏移任意個碼片的系統模型，本文還分析了採用廣義正交序列的多載波碼分多址系統在不同無線傳播環境下的性能。
  16. Because the detector based on the fourth - order cumulant 2 - d slice, which has better ability to suppress gaussian noise, possesses both characters of square detector and correlation detector, it can estimate not only the carrier frequency, but also the symbol period

    其中，基於四階累積量2 - d切片的檢測方法能夠很好地抑制高斯噪聲，並且兼顧了時域相關檢測和平方倍頻檢測兩種方法的特點，能夠同時估計出載波頻率和擴頻碼周期兩個參數。
  17. In enhanced fm - dcsk technique, instead of transmitting only one information - bearing signal after the reference signal, n bits will be transmitted using the same reference and the date rate is increased

    改進的fm - dcsk系統是在每一個參考信號的碼片后，連續傳輸兩個或多個信息比特，增加了傳輸速率，使得fm - dcsk系統的性能得到了進一步的改善。
  18. The theoretical results are evaluated by simulation. if the coherent bandwidth of channel doesn ’ t exceed the occupied bandwidth of two chips, with the increase of delay spread of the channel, mc - ss - cldd exhibits a better performance to make the system resistant to frequency - selective fading

    研究結果表明，多載波擴頻碼片級差分檢測在單用戶和多用戶情況下，均適合於時變頻率選擇性衰落通道，並具有抵抗頻率選擇性衰落的能力。
  19. Meanwhile, the synchronization algorithm in the ds - ss system can be used in 2d - ss system, and good synchronization performance can be obtained, with its algorithm simplified. the third part analyzed the ber performance of mc - ss - cldd in the presence of multi - user interference in time - varying multipath fading channels

    在論文的第三部分中，研究了多用戶多載波頻域擴頻碼片級差分檢測方案:從理論上分析了頻率選擇性衰落通道下該演算法的誤碼率性能，同時進行了模擬驗證。
  20. In order to enhance the performance of the chip equalizer, a new scheme of chip equalizer based on pilot cancellation is presented in this paper

    為了增強碼片均衡器的性能，本文提出了一種新的基於導頻抵消的碼片均衡器，給出了導頻抵消演算法及誤符號率的計算公式，導出了基於導頻抵消的碼片均衡演算法。
分享友人
分享到 Line

分享到臉書