local oscillation 中文意思是什麼

local oscillation 解釋
【物理學】本機振蕩。

  • local : adj 1 地方的，當地的，本地的。2 局部的。3 鄉土的，狹隘的，片面的。4 【郵政】本市的，本地的；【鐵...
  • oscillation : n. 1. 【物理學】振蕩，擺動，振動；振幅。2. 動搖，猶豫，仿徨。3. 蹣跚。4. 【無線電】發雜音。
  1. Firstly, oscillation between events of imperial and of local interest, the anticipated diamond jubilee of queen victoria born 1820, acceded 1837 and the posticipated opening of the new municipal fish market : secondly, apprehension of opposition from extreme circles on the questions of the respective visits of their royal highnesses, the duke and duchess of york real, and of his majesty king brian boru imaginary ; thirdly, a conflict between professional etiquette and professional emulation concerning the recent erections of the grand lyric hall on burgh quay and the theatre royal in hawkins street : fourthly, distraction resultant from compassion for nelly bouverist s non - intellectual, non - political, nontopical expression of countenance and concupiscence caused by nelly bouverist s revelations of white articles of nonintellectual, non - political, non - topical underclothing while she nelly bouverist was in the articles : fifthly, the difficulties of the selection of appropriate music and humorous allusions from everybody s book of jokes 1, 000 pages and a laugh in every one ; sixthly, the rhymes homophonous and cacophonous, associated with the names of the new lord mayor, daniel tallon, the new high sheriff, thomas pile and the new solicitorgeneral, dunbar plunket barton

    第二，深恐皇族約克公爵和公爵夫人58實有其人以及布賴恩勃魯國王陛下虛構的人物分別前來訪問一事，會招致來自左右兩方面的反對。第三，新峻工的伯格碼頭區的大歌劇廳和霍金斯街的皇家劇場59 ，存在著職業的禮儀與職業的競爭之間的矛盾。第四，由於內莉布弗里斯特的那種非理性非政治不時興的容貌會引起觀眾的同情內莉布弗里斯特身穿非理性非政治不時興的白色襯衣，當她內莉布弗里斯特表演時一旦將襯衣袒露出來，會撩撥觀眾的情慾，令人擔心會使觀眾神魂顛倒。
  2. By using irm, heterodyne receiver with good image rejection and mmw - to - if once frequency conversion can be realized, which simplified receiver constitution prominently. the number of local oscillation ( lo ) sources is reduces and electromagnetic compatibility ( emc ) of mmw system is improved. also, the size, weight, power consume and cost of mmw receiver is reduced

    採用毫米波鏡頻抑制混頻器，可在保證鏡頻抑制性能的前提下，採用1次變頻接收機，從而大大簡化接收構成，減少本振數量，改善毫米波系統電磁兼容性，減小接收機體積、重量、功耗，並降低成本。
  3. The authors also indicate that the local oscillation is worthy of consideration too

    風應力異常的局地振蕩對elnino lanina現象的影響也不應忽視。
  4. The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明，倍頻放大組件能夠為lmds毫米波前端提供很好的本振源，並且具有成本低、體積小、可靠性高等優點。
  5. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻接收機的體制和靈敏度、動態范圍、瞬時工作帶寬、測頻精度等設計參數，通過改變預選器組成、本振頻率和本振帶寬，分析接收通道的中頻選取原則，以實現跳頻接收機的互調抑制設計。
  6. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。
  7. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  8. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  9. Local - oscillation phase noise

    本振相位噪聲
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