軟調頻 的英文怎麼說

中文拼音 [ruǎndiàobīn]
軟調頻 英文
tamed frequency modulation tfm
  • 軟 : Ⅰ形容詞1 （質地不硬） soft; flexible; supple; pliable 2 （柔和） soft; mild; gentle 3 （軟弱） we...
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 調頻 : frequency modulation （fm）; frequency adjustment調頻磁帶錄音機 f m magnetic tape recorder; 調頻...
  1. In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail

    全文分析了線性調頻信號（ lfm ） ，非線性調頻信號（ nlfm ）的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化，詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。
  2. Special function will be implemented by downloading special software into the hardware platform, and the system can be constantly upgraded by continually upgrading the software. the author programs all the software which defines all the functions of if digital receiver taking fm receiving as example, which makes it the if digital unit of ultrashort fm transceiver

    通過向這個通用硬體平臺上加載相應的軟體完成特定的通信功能，通過對軟體的升級可以對這個系統不斷升級，作者設計了使這個硬體平臺完成調頻信號數字接收機功能的全部軟體，使這個硬體平臺可以作為軟體無線電超短波調頻電臺的中頻數字化模塊，承擔調頻信號的數字解調。
  3. By the means of downloading software into the if digital hardware platform, some satisfying results have gotten and shown in this dissertation with help of circuit board and measuring devices, which fully testifies the feasibility of theory and realization of if digital technology in software radio and the feasibility of this project as if digital unit of ultrashort transceiver

    最後，將軟體加載到中頻數字化硬體平臺上，藉助電路板和測量設備，得到了滿意的試驗結果，充分證實了軟體無線電中頻數字化技術的理論和實現的可行性以及本系統作為軟體無線電超短波調頻電臺的中頻數字化模塊的可行性。
  4. Microsoft cars would have a special radio / cassette player which would only be able to listen to microsoft fm, and play microsoft cassettes

    微軟式汽車會配有專門的收/放音機，但它只能收聽微軟調頻臺，只能播放微軟磁帶。
  5. This method offers more precise geometry for spaceborne sar system design and simulation. 3. in the analyzing on the radar doppler properties, under the ellipsoid earth model and ellipse orbit model, considering the earth rotation, the radar doppler properties with different orbit eccentricity are compared, and the fact that orbit eccentricity affects doppler frequency rate is found

    在雷達多普勒特性分析中，論文採用橢球地球模型和橢圓軌道模型，結合地球的自轉，通過不同偏心率下雷達多普勒特性的比較，研究了軌道偏心率對合成孔徑雷達系統設計與模擬軟體研究雷達多普勒調頻斜率的影響。
  6. Information technology - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - gb type 303

    信息技術數據交換用90mm改進調頻制記錄的位密度為31831磁通翻轉弧度每面80磁軌的軟磁盤gb 303型
  7. Information processing - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side - part 2 : track format

    信息處理數據交換用95mm改進調頻制記錄的密度為15916磁通翻轉弧度每面80條磁軌的軟磁盤第二部分:磁通格式
  8. 77 information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad, on 80 tracks on each side - part 2 : track format a for 77 tracks

    信息處理數據交換用130mm改進調頻制記錄的位密度為13262磁通翻轉弧度每面80條磁軌的軟磁盤第二部分:磁軌格式a
  9. 80 information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad, on 80 tracks on each side. part 3 : track format b for 80 tracks

    信息處理數據交換用130mm改進調頻制記錄的位密度為13262磁通翻轉弧度每面80條磁軌的軟磁盤第三部分:磁軌格式b
  10. Information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad, on 80 tracks on each side - part 1 : dimensional, physical and magnetic characteristics

    信息處理數據交換用130mm改進調頻制記錄的位密度為13262磁通翻轉弧度每面80條磁軌的軟磁盤第一部分:尺寸物理性能和磁性能
  11. Information processing systems - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side - part 1 : dimensional, physical and magnetic characteristics

    信息處理數據交換用90mm改進調頻制記錄的位密度為15916磁通翻轉弧度每面80條磁軌的軟磁盤第一部分:尺寸物理性能和磁性能
  12. In the thesis, based on design and implementation of the two signal processing system of different requirement, multi - dsp processor structure, dsp - pci interface, system control logic, pci device driver program, user application program are researched. the main content is list as follows : 1 ) according to the lfmcw radar signal processing algorithm, a signal processing system based on pc104 - plus bus is developed

    本文通過對以上兩種雷達信號處理機的設計開發過程，研究了採用多片dsp信號處理器組建并行處理模塊實現信號處理演算法的方法，利用pci總線實現處理機數據傳輸介面，設備驅動程序和控制界面軟體開發，實現信號處理機數據傳輸控制等幾個方面的內容，主要工作如下: 1 ）針對線性調頻連續波雷達信號處理演算法，完成了基於pc104 - plus總線的嵌入式信號處理板的設計、製作以及調試。
  13. At the same tune, the paper analyses and discusses the control projects of the above parts. as for the hardware of the control system, on principle of reliability and considering the badly working condition of the vibratory roller, the paper chooses the special controller sp ecializing in the realm of construction machinery ' s control system in order to insure the reliability of the control system and simplify it. about the control quality of the system, the paper establishes the mathematical modes of the frequency modulation system and the amplitude modulation system, analyses the irrationality of the amplitude modulation project, puts forward to apply proportional - integral - differential controller ( pid controller ) to the traveling system and frequency modulation system

    作為控制系統的方案設計的基礎，本文首先對影響壓實效果的振動參數進行了分析；然後針對智能振動壓路機的功能要求，將控制系統分為壓實參數的自動和手動控制、行走控制、轉向和蟹行控制以及智能灑水控制等幾個部分，對各部分的控制方案進行了分析對比和論證；在控制系統硬體設計方面，以可靠性為原則，考慮到振動壓路機的惡劣工況，選擇了專用於工程機械控制領域的專用控制器，使系統的硬體設計得以可靠性保障和簡化；針對控制系統控製品質問題，建立了調頻和調幅系統的控制模型，對調幅系統的控制不合理性進行了分析，提出採用pid控制器對行走和調頻系統進行校正；在軟體設計方面，對各個控制部分進行了軟體編程流程圖設計。
  14. Abstract : a software method of frequency - modulated signal demodulating based on wavelet packet is proposed in this paper. a variety of frequency - modulated signals are analyzed in time - frequency domain and the spectrograms are presented. this method can detect instantaneous frequency effectively and get frequency - modulated information, can be widely applied to dynamic testing and software radio

    文摘:提出了基於小波包的調頻波解調方法，通過對各種調頻信號進行時頻分析，給出了信號的時間?頻率譜圖，能有效地檢測到瞬時頻率和獲取調頻信息，該方法可廣泛應用於動態測試和軟體無線電等領域。
  15. Then, with considering the technical problem that existed in the applying process of the frequency modulation inductance sensor, the integration of the data acquisition circuitry and interface circuitry of this kind of sensor have been studied and the circuitry system with better performance using pld has been developed. at the end of this thesis, the measuring software and some experiments that tests the whole system are introduced

    然後，針對調頻式電感傳感器在過去使用中遇到的技術難題，對該類傳感器數據採集及微機介面電路進行了集成化研究，採用可編程邏輯器件技術設計出了高性能的儀器數據採集及控制系統的硬體電路系統，最後編制了測量軟體且進行了一系列驗證系統性能的測量實驗。
  16. Information technology. data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side. iso type 303

    信息技術.在每面80磁軌上以31 831 ftprad使用調頻調制記錄在90毫米盒式軟盤上進行的數據交換. iso 303型
  17. Information processing. data interchange on 90 mm 3, 5 in flexible disk cartridges using modified frequency modulation recording at 15 916 ftprad, on 80 tracks on each side. part 2 : track format

    信息處理.以每面80磁軌15916ftprad使用調頻調制記錄的90m毫米盒式軟盤上的數據交換.第2部分:磁軌格式
  18. On the basis of the third kind structure ( the modulator in simulative field ), the paper gave out a method to realize the software radio digital hardware modulator which can perform the function of ask, psk, dpsk, mask, qpsk, dqpsk, qam, oqpsk modulations, using the apparatus of dsp and cpld. the test showed that the modulator can meet the request of system design

    並以第三種結構的數學模型（模擬域的正交調制模型）為基礎，以dsp和cpld器件為核心，進行了硬體電路設計，實現了基於軟擴頻系統的軟體無線電數字硬體調制平臺，實現了多種數字調制方式，其中包括ask ， psk ， dpsk ， mask ， qpsk ， dqpsk ， qam ， oqpsk調制方式。
  19. This paper first introduces the fundamental principles of chirp technique, and then discusses the hardware and software development of amrs in detail

    首先就設計中採用的線性調頻技術的基本原理作了分析，隨后詳細論述了系統的硬體設計合軟體開發。
  20. Information technology - data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - iso type 303

    信息技術.在每面的80磁軌上以31831次磁通變換改制的調頻錄制的90mm柔軟盒式軟盤的數據交換. iso 303型
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