機碼 的英文怎麼說

中文拼音 [jīmǎ]
機碼 英文
key
  • 機 : machineengine
  • 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...
  1. As a result, pseudorandom code acquisition and tracking, carrier recovering, error correction and decoding functions are needed in the if digital receiver

    因此，其中頻數字接收機需要完成偽隨機碼捕獲跟蹤、載波恢復、糾錯譯碼等功能。
  2. Usage : it is used for the products measuring, speed indicating, self - stopping of textile fabric equipments for plastic leather, capet, papermaking etc

    用途：用於紡織驗布機，卷布機、碼布機及塑革、地毯、造紙等設備的在制品計長測速及自停。
  3. In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed

    第五章對雷達干擾進行了闡述，主要的干擾信號有連續噪聲調相干擾、偽隨機碼噪聲干擾、多假目標干擾。
  4. And a few module of quasi random code modulation signal and a radar signal processing module which can extract the information of velocity and range are carried on. the result can be applied on radar systems

    接下來實現了幾種偽隨機碼調制信號的模塊以及提取速度距離信息的雷達信號處理模塊，成果可用於實際的雷達系統。
  5. This paper discusses a algorithm of file encryption based on random factor

    本文提出一種基於隨機碼數列的文件加密演算法。
  6. The project fulfills two of very important funcitons in a fh communication system - the generation of pn code and the synthesizing of hopping frequencies, and unites them together efficiently

    該方案完成了跳頻通信系統中極為重要的兩個功能：偽隨機碼的產生和跳變頻率的合成，並將它們有機地結合在一起。
  7. This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits

    本文採用了一種基於fpga的通用數字調制解調方案，該方案在調制端採用了正交平衡調制技術，在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術，直接在中頻上進行數字信號處理，不需要進行下變頻，也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。
  8. The catching time of pn code for ds - cdma

    偽隨機碼的捕捉時間
  9. These steps will generate keys, or unique identifiers, which will provide you access to ups systems

    這些步驟將會產生機碼或專屬的識別碼，以讓您存取ups系統。
  10. Finalizers fail on rtf objects because com bindings are already disposed vs crashes on trying to attach without setting the attach enabled registry key

    嘗試以不設定附加啟用的登錄機碼方式進行附加時， vs發生當機
  11. If you are running sql server 2000 service pack 2 or msde 2000 sp2 and have already applied sql critical update, you must also run the servpriv. exe utility that is included in this package to set the appropriate user rights on the corresponding service registry keys. this utility was first released in the microsoft security bulletin ms02 - 043

    如果您執行的是sql server 2000 sp2版本，除了套用包含在critical update公用程式的修補程式外，您也必須執行包含在此封裝的servpriv . exe公用程式，才能在對應的服務登錄機碼設定適當的使用者權限。
  12. Firstly, the effects of short - delay multipath to the dll, pll, and snr of receive signal are discussed. then the effects of multipath to multiple closely spaced antennas are presented. and solve the problem by promote a new method based on extended kalman filtering, which utilize the correlation of measure data of dll, pll and snr of each antenna

    最後，利用小范圍多天線系統中多徑信號對接收機碼環、載波環及信噪比影響的相關性，提出了基於擴展卡爾曼濾波器的多徑干擾抑制技術，解決了近距多徑信號的抑制問題。
  13. 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。
  14. The software synchronization method, which can be used to recovery the eye diagram of asynchronous sampling data, was analyzed

    分析了利用異步取樣數據實現軟體同步恢復從而獲得隨機碼信號眼圖的演算法，為今後的應用研究打下基礎。
  15. Survey on timing recovery method in digital receivers

    接收機碼元同步演算法的研究
  16. Then we introduce pulse position modulation ( ppm ) using pn code and analysis its multi - access performance, system capacity and power spectrum density. on the basis of those analyses, we study the pulse shape and the anti - jamming ability of the system. at last, multiple access with pseudochaotic time hopping is introduce

    本文首先闡述了uwb脈沖通信系統的基本原理，重點介紹了用偽隨機碼跳時的ppm （脈沖位置調制）調制，分析了他的多址性能、系統容量和功率譜密度，在此基礎上研究了改進性能的發射信號形狀和系統抗干擾能力，最後介紹了偽混沌碼跳時的多址方式。
  17. 2, studying the character of the output of the laser used on the practical qkd system, and design and made a photo - electronic detection circuit to accomplish the necessary photo ? electronic conversion for the practical qkd system. 3, designed two balance true random codes generators for qkd system, they are based on physical random source. and analyzed randomicity of the generators

    三、設計製作了量子保密通信用的真隨機碼發生器，先後製成了兩臺樣機，一臺採用窄帶隨機信號源，一臺採用寬帶隨機源，並研究了隨機源對隨機碼的隨機性的影響，最後進行了隨機性的分析。
  18. Video terminal codes

    視頻終端機碼
  19. Pseudon - random code of direct - sequence spread - spectrum commnunication system

    直接系列擴頻通信中的偽隨機碼
  20. The pseudorandom codes have a good autocorrelation of double - values. in recent years, to solve the problems of anti - interference and the ambiguity of range and velocity, a lot of countries do much research to change the waveform of radar signal. the most important improve is to use symmetrical pulses to interrupt frequency modulated continuous wave ( fmpcw )

    早期的fmicw採用偽碼序列截斷，偽隨機碼具有良好的雙值自相關特性，其中最常用的是m序列截斷的fmicw 。近年來，為了解決抗干擾和測距、測速模糊問題，許多國家已對雷達信號波形的改進進行了研究。
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