集合併 的英文怎麼說
中文拼音 [jígěbìng]
集合併
英文
set union-
Collect ， consolidate ， and validate all sales and marketing reporting requirement ； and provide sales data based on the requests from aspac team and china team
收集合併所有的銷售市場需求報告，並根據亞太及中國地區的需求提供銷售數據。Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath
在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。Clear method empties the collection and resets its count
方法清空集合併將集合的In chapter 4, a simulation approach is presented, which combines the outdoor radio propagation model, the eigen - driven patterns of handset diversity antenna with two feed ports and combining schemes of receiving signals, to investigate the performance of a dual antenna handset under co - channel interference ( cci ) and multi - path fading environment
第四章首先用本徵激勵方向圖的概念來產生手機雙埠分集天線的接收信號矢量，然後將其與城市室外電波傳播模型、分集合併方式相結合，建立了分析在具有共道干擾和多徑衰落環境中手機雙天線系統的性能模型。The gaussian approximation method used in single traffic cdma system is introduced, at the same time the improved gaussian method also discussed for greater accuracy, when the active user load is small. however, the improved gaussian method needs more complicated calculations
研究gsc的結構以及其輸入端信號的統計分佈，為我們後面研究多速率擴頻系統分集合併的gsc接收機作一些必要的數學準備。It has good computational cost because of avoiding any inverse operation and optimal ordering. it also utilizes double - directional detection and diversity combine technology to migrate the error propagation, and then improve the ber performance
它不需要進行任何形式的矩陣求逆運算和最優信號排序操作，因此具有良好的演算法復雜度，同時它利用雙向檢測策略與分集合併技術來抑制誤差傳遞，提高了演算法的檢測性能。Is the most common type of code group ; the policy statement of all matching child code groups and by extension their child code groups are combined with the permission set of the matching parent code group
是最常見的代碼組類型；所有匹配子代碼組的策略聲明（以及在擴展后它們的子代碼組的策略聲明）與匹配的父代碼組的權限集合併在一起。Merges the specified evidence set into the current evidence set
將指定的證據集合併到當前證據集。Collection and select all the listed columns
集合併選擇列出的所有列。Will enumerate the collection and serialize each element
將枚舉該集合併序列化每個元素。Property of each item in the collection
集合併測試該集合中每一項的Research of diversity combination in spread ofdm system
擴頻正交頻分復用系統中的分集合併技術Provides a strongly typed collection for
對象的強類型集合併實現Define the collection of files and call the
定義文件集合併調用For each loop to traverse the collection and display its elements
循環來遍歷集合併顯示集合的元素。Collection and select the first column
集合併選擇第一列。That collects and organizes your topics
集合併組織主題。Object to the node collection that is maintained by the site map provider and specifies the parent
對象添加到由站點地圖提供程序維護的節點集合併指定父Errors and ber performances with various system parameters are analyzed and compared, so the validity of the amendment is proved. after channel estimations, various diversity combinations are discussed with various user numbers and snr. and some useful conclusions are achieved
在通道估計的基礎上，分析和比較了各種分集合併演算法在不同的用戶數和信噪比下的實現復雜度和誤碼率性能，得出了有益的結論。As we all know, the capability of wireless communication system is constrained by radio propagation channel, especially for future wideband communication system. so it needs more signal processing techniques to withstand bad radio propagation environment, such as diversity combination, coherent detection and channel encoding and decoding etc. for mimo physical layer approaches, channel state information is a prerequisite, thus comes many channel estimation approaches and algorithms
無線通信系統的性能主要受到移動無線通道的制約，特別對未來的寬帶移動通信系統更需要採用很多信號處理技術來對抗惡劣的無線傳播環境以提高系統性能，比如常見的分集合併、相關檢測和通道編解碼技術等，而採用這些技術的前提就是要知道通道的狀態信息（ csi ） 。分享友人