頻率分配方案 的英文怎麼說

中文拼音 [bīnlǜfēnpèifāngàn]
頻率分配方案 英文
frequency allocation plan
  • 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 配 : Ⅰ動詞1 （兩性結合） join in marriage 2 （使動物交配） mate （animals） 3 （按適當的標準或比例加以...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 案 : 名詞1 （長桌） table; desk 2 （案件） case; law [legal] case 3 （案卷; 記錄）record; file 4 （提...
  • 頻率 : frequency; rate
  • 方案 : scheme; plan; programme; project; proposal; suggestion; formula; scenario; outline
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。
  2. In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned

    摘要針對枯水年枯水季，因河道徑流量較少，鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全，文中結合長江口地區水資源利用和水環境現狀，以大通以下長江幹流地區在枯水季水量分配為實例，在初步預測未來河口地區水資源需求的基礎上，提出長江口地區水資源配置的思路、方法及方案框架。
  3. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。
  4. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  5. This paper introduces a mount of line deploy models, after analyzes and induces them, this paper make up the shortcomings of the former models and build a new one, accounting for the demand of frequency of liners and the same kind of ships in a single line. combining the present condition of a certain shipping company, optimizes the sheet and draws a new project

    本文介紹了大量的班輪航線配船模型，在對其進行分析、總結后，彌補了原有模型的不足，考慮了班輪的發船頻率要求和同一航線配備同型船的實際需要，建立了新的模型，並結合某公司的現狀，進行了優化計算，得出了新的航線配船方案。
  6. Following the principle of reuse partitioning, two new frequency planning schemes are proposed, the coverage - oriented scheme and the efficiency - oriented scheme, for the cellular system with two - hop fixed relay nodes ( frns )

    摘要根據復用分割原則，提出2種新的兩跳固定中繼蜂窩網的頻譜分配方案，即：側重於覆蓋面積的頻譜分配方案和側重於頻譜效率的頻譜分配方案。
  7. In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research

    在基本理論方面，通過對自適應光學，靜電力驅動，彈性梁理論和擠壓薄膜阻尼的研究，確定了微變形鏡的配置方案；在加工方面對體加工工藝， mumps工藝和summit工藝進行了研究與比較，並選用殘余應力小，表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計；在分析方面主要對微變形鏡單元的靜態特性，模態特性，瞬態響應，頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究，確定了微變形鏡的性能參數。
  8. Taking uplink as an example, both simplified analysis and intensive computer simulations are presented to offer comparisons among frn enhanced systems with the proposed schemes, with a known channel - borrowing based frequency planning scheme and the conventional cellular system without relaying

    同時，相對于側重覆蓋面積的頻譜分配方案，側重於頻譜效率的頻譜分配方案的頻譜復用距離較小，從而有更高的頻譜利用率，其重點在於解決頻譜效率問題。
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