frequency coverage 中文意思是什麼

frequency coverage 解釋
頻率范圍
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • coverage : n. 范圍，規模，總額；〈美國〉保險額；保證金，現金準備；〈美國〉（新聞）報導（范圍）；【植物；植物學】優勢度。 coverage diagram 【航空】搜索范圍。
  1. Stressed are the elements of this insurance, the insurability, the common contents and the insurance coverage, and the kind of benefits. probability is used to give the greatness of risk, and mathematical statistics is utilized to calculate the insurance charge. a new method is proposed to settle the insurance charge rate by the claim frequency and claim quota

    著重對建築工程保險的基本要素、可保性、一般性內容和保險項目、承保方式的選擇進行了研究，運用概率論來確定建築工程風險程度，運用數理統計理論給出了建築工程保險費的計算方法，並提出以索賠次度等級釐定保險費率的一種新方法。
  2. Othr ( over - the - horizon radar ) is a kind of hf ( high frequency ) radar with great expectation, which has arisen great concern worldwide because of its large coverage, anti - stealth character and so on

    超視距雷達（ othr ）是一種具有較大發展前景的高頻雷達，以其覆蓋距離遠、覆蓋面積大和抗隱身等優良特點受到各國學者的廣泛關注。
  3. Static benefits are generated from peaking and valley - filling, which are further divided into capacity benefits and coal saving benefits. dynamic benefits come from its fast starting and flexible operation, including frequency regulation, synchronous condenser operation, fast coverage of steep load gradient and synchronous spinning reserve. as for the calculation of static benefits of pumped storage plant, the alternative coefficient method is normally adopted at present

    目前在抽水蓄能電站的靜態效益計算中，一般採用替代系數法，即用抽水蓄能電站的裝機容量乘以容量替代系數（ 1 . 05 1 . 1 ）計算抽水蓄能電站的替代容量；用抽水蓄能電站的發電量乘以電量替代系數（ 1 . 05 ）計算替代電站的發電量，再根據循環效率的大小計算抽水蓄能電站的燃料消耗。
  4. The paper produces noise reduction measurements and major frequency coverage that is 200 ~ 2khz to be used in selection of acoustical absorption and sound insulation materials. the measurement produces self - contained data to design lower noise railway vehicles in the future

    本次測試的車輛車內噪聲主頻帶為20 2khz ，可依據此頻段進行新型車的設計和車體內部隔聲吸聲材料的選擇。
  5. The channelized digital receiver based on srd is the electronic equipment, which can be used in communication and military affairs, because of its excellence on wide band frequency coverage, digital processing, software programming, high dynamic range, receiving signal with all probability, simultaneous signal detection and so on

    基於軟體無線電思想的通道化數字接收機是一種即可用在通信領域也可用在軍事領域的電子設備，具有大帶寬、數字化、軟體化、大動態范圍、全概率接收、多信號同時處理等優點。
  6. With the rising demand ever, the orbital resource and frequency spectrum resource for gso communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction

    隨著通信需求的增長，人們採用極化復用、空間復用和縮小軌位間距等手段，對靜止衛星軌位和無線電頻譜資源作了接近極限的開發利用。
  7. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  8. The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy

    不銹鋼電極上電積鎳的電化學阻抗行為表明氨絡合物體系鎳電沉積過程是二次放電過程，中頻感抗弧是由於中間吸附產物nioh _ （ ads ）的弛豫現象引起，低頻容抗弧可能是由於吸附氫原子對鎳結晶的阻滯作用引起，依據實驗結果提出了氨絡合物體系鎳電沉積的反應機理和等效電路模型。
  9. Using the cluster analysis method and studying 16 sampling plots of shrub grassland where bothriochloa ischaemum is the dominant species, and the plots ' grass frequency, grass coverage, density, height, and biomass, we graded the plots into five grazing stages : light, proper, moderate, serious, and extreme

    摘要在對放牧利用下的白羊草灌叢草地頻度、蓋度、密度、高度、生物量等數量特徵調查基礎上，運用系統聚類分析方法，可戒分為輕放、適牧、中牧、重牧和極牧五個階段。
  10. 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。
  11. First, the structure of the second generation ctdrs isl was discussed in this paper, the characteristic of coverage in the second generation ctdrs by the characteristic of orbit and the simulation model of isl was analyzed then the effect of the isl establishing process analyzed. second, the discussing and analyzing focus on the characteristic of signal during the establishing isl process, establishing the orbit model, the technology of doppler frequency shift capturing and tracking sequence and the effect of background noise, then the theory analyzing the parameters we have just mentioned, and this will support the reference for the implement of project. the simulation and test of the isl of ctdrs and analyzing from theoretical basis to implement of simulation were mainly focused in this paper

    其中討論了二代中繼星捕獲跟蹤系統星間鏈路的模擬方案的組成結構，利用軌道特性對二代中繼衛星系統的覆蓋特性進行分析，搭建了星間鏈路的模擬模型，其中包括中繼衛星和用戶衛星在內的軌道模型、星間鏈路模型、用戶星信號調制模型等，並對星間鏈路建立過程的影響進行分析;重點針對星間鏈路建立過程的信號特性，軌道模塊的建立、多普勒頻移技術、背景噪聲影響、載波的捕獲與跟蹤技術等進行了實際參數的設計與理論分析。
  12. The coverage of feeder bus route 659 will be extended from the north to the south of tin shui wai. it will run as a circular route and the frequency will be enhanced from 9 - 20 minutes to 6 - 12 minutes

    659線的服務范圍由現時的天水圍北擴大至天水圍南，並會改以循環線行駛，班次將由九至二十分鐘加強至六至十二分鐘。
  13. Owloon - canton railway corporation ( kcrc ) will strengthen the service of two light rail bus routes in tin shui wai from 18 august ( sunday ) by enhancing service frequency and coverage

    由八月十八日（星期日）起，九廣鐵路公司（九鐵）將加強兩條天水圍區輕鐵巴士線的服務，擴大服務范圍及增強班次。
  14. This paper studies the least redundant solutions of two - dimensional array system by using the simulated annealing algorithm. two ideal thinning solutions for the two - dimensional circle array were discussed intensively in this paper. one solution uses half - circle configuration with very much reduced number of elements and taking an image by rotating the array ; the other selects element positions around the full circle to provide a roughly uniform coverage in the spatial frequency domain

    在一維天線陣設計的基礎上，本文利用模擬退火演算法給出了兩種最小冗餘二維圓環天線陣的結構設計方案，一種方案利用天線旋轉，在半圓周內稀疏天線；另一種方案通過將空間頻率采樣點的均勻分佈作為優化的約束條件，在全圓周上使天線單元分佈達到最優。
  15. Some excellent methods for optimizing the coverage of sfn are reviewed in this paper. a method for constructing single frequency network with low - power transmitters is proposed

    摘要介紹了國際上流行的一些單頻網覆蓋優化方法，並提出了採用對人體輻射影響較小的小功率發射機進行信號覆蓋的方案。
  16. According to the statistical characteristic of noun phrases, we used an iterative re - evaluation algorithm for high - frequency noun phrases, and our metdhod for low - frequence noun phrases is similar to the algorithm for low - frequence content word. this method can take into account the alignment information on the whole, and acquire the result with high coverage rate

    名詞短語的對應。本文根據名詞短語的統計特徵，對高頻名詞短語採用迭代重估演算法；對低頻短語，則採用類似於低頻實詞的對應方法。這樣就能夠從整體上把握對應信息，並使結果具有很高的覆蓋率。
  17. If a single - frequency network is used to provide gprs service, the concern is the issue of coverage and in particular continuous coverage in urban areas

    由單頻網提供gprs業務，首先是覆蓋問題，特別是市區的連續覆蓋。
  18. As more gsm 1800 networks are deployed and their coverage is improved in quality, gprs service can be supported by both the gsm 1800 and dual - frequency networks step by step

    Gsm1800主要承擔語音業務，隨著gsm1800網路建設力度的加大，網路覆蓋質量的提高，可以逐步在gsm1800或雙頻網上同時支持gprs業務。
  19. The main contents and creative results of the paper are given as follows : ( 1 ) introduced the special requirement of output power for tv transmitter, on condition that the wireless coverage of tv signal is achieved at uhf, analyzed the important meaning of the research in high frequency linear power amplifiers of uhf transmitter

    本文的主要研究內容和創造性成果如下： （ 1 ）介紹了在uhf波段實現電視信號無線覆蓋，對電視發射機輸出功率的特殊要求，分析了對uhf電視發射機高頻線性功率放大器進行研究的重要意義。
  20. The use of radio frequency beacons can also improve the position accuracy of vehicles in areas with bad gps coverage - for example inside underground car parks and multi - storey buildings

    在全球定位系統接收欠佳的地方，如地下停車場和多層建築物內，使用無線電信標亦有助更準確地計算車輛的位置。
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