接取機 的英文怎麼說
中文拼音 [jiēqǔjī]
接取機
英文
compacting conveyor-
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。Considering the precision and cost of sea - route in our country, gps oem board was selected positioning for system in stand - alone model ( not dgps ). there is abundant time to processing and optimizing data for gps receiver because the reactive speed of pharos is on hour level contrast to strict real time
根據航道定位精度要求與成本承受能力，系統選取低成本的gpsoem板接收機進行單機定位，由於航標燈監控有一定實時性但又非嚴格意義上的實時性，其反應速度可到小時級，這為gps接收機定位提供了寬裕的時間作為數據處理與優化。It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules
概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現，利用該晶元的資源，實現各模塊的調度，完成對導航電文的提取，重新組幀，定位解算以及對外介面;在解算部分，把載波相位定位與碼測距定位相結合，利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試，以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。The if digital receiver based on software radio technology adopts the structure of fpga plus dsp, which is more powerful than other systems in signal processing, and is able to complete iq demodulation accurately and acquire characteristic of the signal. the following four aspects is included :
該中頻數字接收機以軟體無線電思想為核心，採用dsp + fpga的硬體結構，在信號處理能力方面比以往的系統有了很大的提高，能夠精確的完成信號正交解調和抽取濾波和特徵信息的提取。Channelized receiver with poly - phase filters is an appropriate solution. in this thesis, the design and implementation of channelization processing are studied systematically. meanwhile, we put forward a new implementation method and get some conclusions and achievements
本文結合具體的研究項目，對基於多相濾波的數字通道化接收機中的通道化處理進行了系統的研究，並提出了一種新的實現方法，取得了部分研究成果。The compact version of the plant is essentially composed of a 2 - stage plane - tary extruder, 3 - roll calender, embossing unit, take - off and cooling unit, automatic unwinder for the substrate, pull unit, thickness gauge and control system and automatic winder
該生產線的緊湊型主要由一個2段行星螺桿擠出機、三輥壓延機、壓花機構、接取和冷卻機構、基材自動退卷機、牽引機構、厚度測量計和控制系統及自動卷取機組成。As the advancement of tv technology, the receiver of digital television ( digital tv set - top box ) will face to a wide developing space. at the mean time, the digital video recorder will substitute the analog video recorder with the people ' s increasing demand of the recording quality
隨著數字電視技術的發展，數字電視接收機? ?數字電視機頂盒將面對一個廣闊的發展空間；同時，數字錄放機隨著人們對節目存儲要求的逐步提高也漸漸呈現出取代模擬錄放機的勢頭。Now, we have various series ultrasonic products, respectively ultrasonic cell disruptor, ultrasonic cleaning machine, ultrasonic plastic welding machine, ultrasonic nano materials manufacturing machine, ultrasonic extractor, ultrasonic auto drilling machine, ultrasonic reaction vessel
公司擁有各大超聲系列產品，分別有超聲波細胞粉碎機超聲波清洗機超聲波塑料焊接機超聲波納米材料制備機超聲波提取機超聲波自動打孔機超聲波反應釜等。It sounds like something straight out of a futuristic film : house hunters, driving past a for - sale sign, stop and point their cellphone at the sign
聽起來象直接取材於未來電影：尋房人，駕車經過」出售中「的牌子，停車把手機指向標牌。The results of computer simulation and fpga simulation indicate that the technique is feasible and the experiment ' s results show that the performance of the system is excellent. in this paper, it summarize the basic principles of the if ( intermediate frequency ) digitization technology and detail the design and fpga realization of the digital if receiver system
在具體實現中，提出了一種基於多相濾波結構來進行抽取濾波的中頻接收機方案，通過計算機模擬，證明了它的可行性，並圍繞此方案完成了數字下變頻硬體系統的設計和調試工作。The morninglords fury ( su ) : the chosen of lathander can maximize any turning attempts he makes up to twice per day
晨曦之主的憤怒（超自然） ：洛山達的選民每天有兩次機會在嘗試驅散不死生物時直接取最大值。As the holder of bills can ' t obtain protest of proof directly, the files of certain organs are also playing the substituting function as the protest proof
在持票人直接取得拒絕證明困難時，一些機關的文件也起著拒絕證明的替代作用。Degassed furnace, sealing furnace, stabilizing oven, mask annealing lehr, blackening furnace, bulb roaster, primary annealing lehr for colour tube funnel, secondary annealing lehr for colour tube funnel, annealing lehr of single - press, annealing lehr of double - press, funnel annealing lehr, colour tube panel annealing lehr, tube - neck sealing and annealing lehr, cut - off machine, necking machine, funnel - loader, lehr preheating unit, neck - loader, funnel auto - pickup, auto - pickup conveyor, funnel auto - loader, neck seal loader, neck - delivery conveyor, rough grinder, fine grinder, fine - polish grinder, panel pickup, button sealing machine, pin sealing machine, funnel annealer loader
彩管、彩玻設備系列：排氣爐、封接爐、穩定爐、蔭罩退火爐、黑化爐、焙燒爐、彩色玻錐一次退火爐、彩色玻錐二次退火爐、雙壓機退火爐、單壓機退火爐、彩色玻屏退火爐、管頸封接退火爐、割頭機、接頸機、錐裝載裝置、退火爐預熱裝置、管頸裝載機、屏自動取出裝置、自動取出傳送帶、錐自動裝載機、管頸封接裝載機、管頸供給傳送帶、粗研磨機、細研磨機、精拋光研磨機、取屏機、陽極帽封接機、銷釘封接機、錐退火爐裝載機。Lastly, the dissertation designs a rank - reduced blind space - time 2 - d rake receiver using time extraction which has not only the capability of space - time equilibrium but also reduces the convergence time of adaptive array and the rank of correlated matrix of the received data
最後，設計了一種時間抽取降秩盲空時2 - drake接收機。分析了其性能和參考信號的提取方法。該接收機不但具有空時均衡的能力，而且降低了陣列的收斂時間和接收數據相關矩陣的秩。In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization
針對檢定點高程問題，分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點，得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究，內容涉及：數碼相機及相機鏡頭的選型，相機畸變差產生原因及測定的基本原理，像片坐標獲取以及時間同步實現，得出結論：利用gpsoem板的秒脈沖（ 1pps ）輸出特性，能夠實現兩臺數碼相機與gps接收機時間同步，滿足動態檢定指標要求。Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility
Qpsk數字電視調制器採用了先進的數字信號處理技術，完全符合dvb - s標準，接收端可直接用數字衛星接收機進行接收。它不但能取得較高的頻譜利用率，具有很強的抗干擾性和較高的性能價格比，而且和模擬fm微波設備也能很好的兼容。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。The principle and structure of pll ( phase - locked loop ), including fll and loop filter, are analyzed and described. the module of carrier synchronization in the all - digit ds - qpsk receiver was carried out in the fpga chip. the problem about the estimation and track of the correlative carrier frequency under high dynamic circumstances was resolved very well
針對某遙測遙控全數字接收機的研製，對相干載波同步中的鎖相環、鎖頻環、 dpll 、本地nco等進行了詳細的分析和優化設計，在fpga上實現了高動態全數字ds - qpsk接收機中的載波同步模塊，解決了大范圍和動態多普勒頻移下接收機的相干載波提取與跟蹤問題。Poultry breeders and owners should take all necessary measures to minimize the chances of contact between captive poultry and wild birds
家禽養殖人和養殖場負責人應盡採取一切措施，盡量減少家禽與野鳥之間的接觸機會。One way of directly assessing how theory of mind capabilities may be acquired in the course of development is through the implementation of training studies
訓練研究法是一種直接評估心理理論能力獲取機制的方法，不少研究者試圖通過各種訓練來提高與兒童心理理論相關的能力。分享友人