檢驗用接收機 的英文怎麼說
中文拼音 [jiǎnyànyòngjiēshōujī]
檢驗用接收機
英文
control receiver- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 機 : machineengine
- 檢驗 : checkout; test; examine; inspect; verify; survey; check;checking;testing;[英國]jerque(指檢查船舶...
- 接收機 : receiver; radio set; receiving set; receiving machine接收機保護設備 reprod; 接收機保護裝置 receiver protector
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
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Part one : this part introduces the summarization of the abs ( asset - backed securities ), which includes the conception, the basic theory, the features, the categories, the basic running process, and the circumstance of the research and development, etc. part two : the main contents of this part are the necessity and the analysis for the feasibility of the financing of securities depending on the charges of expressways, including the analysis for the feasibility of the financing of securities on the basis of the expressways " charges, the option between the two operation models, and the analysis for the feasibility of the operation of indigenization, etc. part three : this part mainly demonstrates how to design the plan of a company for the financing of securities and indigenization, which consists of the introduction of a company ' s background and the main problems to be confronted, the features of the basic assets and the analysis of the cash currency, the selection of spy, the design of trading structure, the product design of securities, etc. part four : this part discusses the financial evaluation about a company ' s design of the financing of securities and indigenization on the basis of the expressways " charges, the analysis of the risks and the analysis in general
本文的創新之處在於: ( 1 )通過對我國《信託法》 、 《公司法》等相關法律、法規的深入研究,提出在國內現行制度框架和市場環境下,以信託方式設立特設目的機構的基本思路,並構架了類附擔保公司債信託型和信託簽發企業銷售型兩種較為滿意的本土化交易結構方案,具有一定的理論創新性; ( 2 )將資產證券化這一金融創新工具應用到高速公路融資領域,論證了高速公路利用收費證券化融資的必要性和可行性,並提出了一個可供借鑒的操作性方案。本文可能的不足是在證券化產品設計方面由於筆者知識水平的欠缺,深感作得不是很深入,需進一步的完善和細化;另外對各種交易結構模式的設計和分析只是一種理論上的探討,到底是否有效和可行需接受實踐的進一步檢驗。論文分為四個部份:第一部份,資產證券化概述,包括資產證券化的概念、基本理論、特點、基本形式、基本運作流程、國內外研究和發展現狀等。On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed
本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應用單模光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。Traditional delay estimation based on ica requires the trail sequences to initialize the receiver, but the new algorithm based on ica does not need the trail sequences. it is based on the channel character of downlink, using the ica algorithm to estimate the multi - path mixture matrix, then, find the delay information which is embodied by the column vector of the mixture matrix. the simulation results show that it does enhance the performance of traditional detector without wasting the invaluable frequency resource
傳統的通道估計演算法需要訓練序列使接收端的參數調整到理想狀態,而本文提出的基於ica的通道估計的多用戶檢測演算法不需要訓練序列,它是利用下行通道的固有特點,用ica的盲源分離法估計出多徑通道的卷積矩陣,從而從中提取出通道的延遲信息,模擬實驗結果證明這種方法在節省了頻譜資源的同時取得較好的估計效果,使得傳統的接收機的誤碼性能得到了很大的提高。3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods
3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法,該演算法完全避免因約束而引進的矩陣求逆運算(相對于常規的遞歸最小二乘演算法) ,不但運算量比常規的要低,而且比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時接收機演算法還低,且收斂速度比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。( 3 ) the weld of pe pipe ca n ' t be proof - test by undestroyed probing. pe pipe must be welded by auto fusion equipment and reduce the man - made factor to the minimum at the same time. the operator must be well skilled and highly responsible, who performs upon weld quality control regulations, and check up the weld strictly after fusion
( 3 )聚乙烯管道連介面由於不能象鋼管焊口那樣通過無損檢測手段來驗證是否合格,所以一定要使用自動化程度高的連接機具,將人為因素降到最低,並要求焊工除了熟練的操作技術外還應具備高度責任心,嚴格執行連接施工工藝質量控制要點和有關操作要領,焊接完后採取必要的檢查驗收手段。According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum
摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統,採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量,克服了光源光強漂移所帶來的影響;實現了可見光區消光比的精確自動測量,而且可以測得近似的消光光譜。In view of requires of precision agriculture and specialties of farmers, it tentatively use visual c + + to devise a software without gis platform. the software is developed to process the fused data and use grid graph to express field information. in the software, users can transmit the fused data to computer via serial communication between gps receiver and computer, and users can choose longitude latitude and attribute information from the fused data, and store these data in a data file
在本論文中,通過對國內外獲取、表達基礎農田信息的研究現狀的分析,基於gps接收機獲取的定位信息與常規檢測儀表信息的融合,提出了gps接收機與常規檢測儀表結合,快速實時地獲取農田空間位置信息和屬性信息的方法;針對精細農業實踐的需要和農村用戶的特點,試驗研究脫離gis平臺以圖形的形式表達農田信息,應用visualc + +編程語言從底層開發具有gis功能的應用軟體。The self - correlation function of the m sequence is divided into the self - correlation between all same address users and the mutual - correlation between all different address users. a computer simulation experiment, which 100 users are communicating under our method, is given in this paper. the information of every user is known before the processing of s - cdma communication start
論文在提出地址碼設計方案后,通過計算機模擬實驗,模擬一個用戶數為100的小區,使用論文設計的地址碼方案進行s - cdma綜合業務通信,已預先知道每個用戶通信的信息,在計算機模擬通信處理完成後,檢驗在接收端的用戶信息。Then based on the practical test technique of emt, it checks up whether chinese securities market is at weak - form - market phase by analyzing that whether the price is random whether the yield can be forecasted by the characters of company, whether the information lingeringly or overly reacts and whether the technical analysis is efficient. the result expresses that the securities market has not reach weak - form - market, it still has low efficiency
接著根據證券市場效率理論的實證檢驗方法,通過價格是否隨機性、是否可用公司特徵來預測收益率、信息是否存在延遲與過度反應、技術分析是否有效等檢驗方法對我國證券市場是否處於弱式有效階段進行實證檢驗,結果表明我國的證券市場尚未達到弱式有效,依然處于低效率之中。Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network
然後,分析和闡明了傳統的運動目標檢測方法的不足,並在此基礎上結合研究中的實際實驗環境,提出了一系列解決方法,包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法,針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法,為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法;緊接著,概述了神經網路的發展歷史和幾種常用神經網路模型的特點,重點研究了前饋型神經網路在模式識別中的應用問題,詳細闡述了基本的bp演算法和學習過程中bp演算法的改進,從而使網路收斂速度更快,解決問題更有效,並在此基礎上,設計了一個基於bp神經網路的運動目標識別系統,給出了實驗結果。The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance
本文研究多徑頻率選擇性衰落通道下直接序列擴頻碼分多址( ds - cdma )信號的處理問題,提出了一種新型的盲接收機.該接收機不需預知多址干擾用戶的擴頻碼,不需預知通道參數,只需已知期望用戶的擴頻碼和粗略的定時,就可以完成用戶的盲檢測.同時,該接收機通過降維自適應去相關濾波和基於判決指導的自適應多徑合併,來獲得低成本和良好的抗衰落、抗遠近效應性能.模擬結果驗證了本文提出的接收機的優良性能分享友人