設計帶寬 的英文怎麼說
中文拼音 [shèjìdàikuān]
設計帶寬
英文
dbw design bandwidth-
Based on the real situation of submarine and antisubmarine warfare ( asw ), according to the classical design theory of transducer or transducer array, a sonar will be researched and made, which has the feature of more wider bandwidth, more lower operating frequency, more lager radiation acoustic power, more farther operating distance, more higher researching efficiency and more higher directive accuracy
本文根據現代潛戰和反潛戰（ asw ）的實際情況，按照經典的換能器和基陣的設計理論，研製聲吶，旨在擴展其頻帶寬度、降低其工作頻率、增大其發射功率、擴大其作用距離以及提高其搜索效率和定向準確度。Broad band salary : a new sight of salary system
寬帶薪酬的基本理論及初步設計Design of microwave ultra - broad band low noise amplifier
微波超寬帶低噪聲放大器的設計The rehabilitation center is equipped with a complete and perfect intellectualized system : telephone, broadband access, cable tv, and emergency call bell system are installed for each nursing bed
康復中心內智能化系統設計完善，電話、寬帶、有線電視、緊急呼叫等設施配備到床。A wideband digital channelized receiver design
一種寬帶數字通道化接收機的設計This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal
首次採用平板顯示專用控制晶元al300 ，設計並製作了相關配套電路，支持的最高解析度是1280 1024 ，實現解隔行和多種視頻格式轉換的功能，滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面，可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號，實現亮度信號和色差信號的分離，提高了亮度信號的帶寬。Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre
5 .根據tsmc0 . 35 msigebicmos工藝模型，利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬，模擬結果顯示，在1 . 5v電源電壓下，頻率為200mhz的參考輸入信號，輸出中心頻率為800mhz ，分頻電路採用4分頻，環路帶寬為10mhz ，捕獲時間大約為0 . 92 s ，功耗大約為15mw ，達到了設計指標。Mattias lampe, ronghong jin, junping geng, xianguang guo : invention patent “ one kind of directional / omni - directional antenna ” ( submitted )
丁敏，金榮洪，楊熹，耿軍平，勞佳，吳琦：發明專利「甚高頻超寬帶天線設計」 （已提交） 。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion
計算結果表明，零均值流量脈動流順流向作用力誘發反對稱角鋪設層合板的時域響應近似於具有一定帶寬的諧波運動，而這一帶寬又是由一定周期運動形成的。Secondly, in this paper, the four typical uwb antennas of tem horn antenna, log - periodic antenna, biconical antenna and helical antenna are theoretically analyzed and the uwb antenna design methods are generalized and discussed
其次，本文對tem喇叭天線、對數周期天線、雙錐形天線和螺旋天線四種典型的超寬帶天線進行了理論分析，總結並討論超寬帶天線的設計方法和手段。Inhomogeneity of the breast tissue was taken into account in the breast model
收發分離的天線陣方案降低了超寬帶成像對天線設計的苛刻要求。Key looks that will hit stores in february include puff - sleeved blouses in crisp embroidered white cotton with a victorian - era feel. fringed tunics, tie - dye patterns, suede boots and even kaftans are set to make a comeback as designers hark back to the peace - loving 1969 summer of love.
服裝設計師們力求將人們帶回到1969年以和平為主題的"愛之夏"的服裝潮流中，於是帶穗的短上衣，扎染圖案，仿麂皮靴子，甚至寬松的長袍都將再次閃亮登場。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。With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。For packet loss result from network congestion, rab adopts the same recovery mechanisms as the original tcp ; for packet loss result from link error, it adopts a recovery mechanism which is called immediate recovery, and the value of congestion window of the source is set to a value that corresponds to the available bandwidth
對于擁塞導致丟包，則採取與傳統tcp協議相同的恢復機制（即窗口減半，並進入擁塞避免階段的線性增加） ，而對于鏈路錯誤導致丟包，則採取立即恢復策略，將tcp源端的擁塞窗口設置為與其估計帶寬相應的數值。Ultra - wideband - synthetic - aperture - radar ( uwb sar ) has been proven to be a significant contribution in the battlefield reconnaissance because of it ' s ability to penetrate the foliage and ground to detect the concealed targets. the purpose of this thesis is to present system designing framework for high resolution uwb sar, which is detailed as following : 1
本文以超寬帶合成孔徑雷達（ uwbsar ）系統總體設計與實現技術為核心，重點研究了uwbsar總體設計、超寬帶雷達（ uwbr ）系統誤差補償、 uwbsar成像技術以及uwbsar運動補償四個方面的內容。This dissertation is devoted to the study of several aspects of the broadband signal processing, concerning broadband coherent interference suppression, design of broadband array and doa ( direction of arrival ) estimation of broadband source
本文將致力於研究寬帶陣列信號處理中關于寬帶相干干擾的抵消、寬帶基陣設計和寬帶方位估計等問題。First, by implementing the strategy of allying both content and application internet service providers, gdtc forge a comparatively complete broadband service value chain, and form its core competitiveness in the field of broadband internet service ; second, gdtc will win its competitive advantage on the base of mutual improvement, complementary development and mutual benefit together with its partners as expection
通過對廣東電信寬帶運營價值鏈現狀的優劣勢分析，為廣東電信設計了寬帶運營全價值鏈：即通過外部尋源戰略與寬帶運營價值鏈上相關企業進行合作同盟，以優勢互補、資源互換的合作模式打造以運營商為核心的寬帶運營全價值鏈。分享友人