高波能 的英文怎麼說
中文拼音 [gāobōnéng]
高波能
英文
high wave energy-
In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail
摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源帶通濾波器的設計方法,詳細介紹了該濾波器的設計步驟及阻容元件的參數計算,並對設計出的電路用計算機進行模擬模擬和容差分析。Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。Finally, a chebyshev function bpf with siw resonator was designed and realized by ltcc with 12 - layer substrate. a high performance elliptic function bpf with siw resonator was designed
在分析ltcc集成高q濾波器實驗結果的基礎上,設計了一個基於siw技術的9層基片的高性能的橢圓函數濾波器。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。The paper is to design analogue lowpass filtering circuits with high performances. the circuits are used directly as anti - alias filters in an analogue front - end of video decoder ic ( integrated circuit )
=本文旨在設計高性能的模擬低通濾波電路,用作視頻解碼晶元模擬前端中的抗混疊濾波器。( 4 ) a high - speed communication module for ert was introduced in this system. the advantages of this communication module are rs422 / rs232 compatibility, high band rate of 921. 6kbps, noise - immunity and low cost. the module was successfully used in electrical resistance tomography
目前國內有文章報導的最高數據採集速度為50幅/秒( 3 )引入了一個適用於電阻層析成像系統的通用高速通訊模塊,該模塊支持rs422和rs232雙協議,最高波特率達到921 . 6kbps ,具有通訊波特率高、抗干擾性能好以及成本低廉等優點。The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film
本文設計的亞微米光柵型導光板為矩形狀的,導光板上表面的導光單元是由三套出射光主波長分別是紅光632 . 8nm ,綠光521nm ,藍光441 . 6nm的亞微米光柵組成,光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列,為了提高光能利用率,除入光面和出光面外,導光板其餘面都鍍上金屬膜。Then, the capacities of round - off method, two probable value method ( tpvm ), shift and compensate phase feeding method ( scpfm ) and shift compare and compensate phase feeding method ( sccpfm ), are compared in improving the accuracy of beam pointing
接著,通過模擬實例比較了舍尾法、二可能值法、遞推補償饋相法、遞推比較補償饋相法等幾種提高波束指向精度方法的優劣。It can reduce the harmonic or harmonic oscillation in public power net to take some effective measures by making use of this software, and finally reduce the power system accidents and cease time, improve power quality. it is wide application in the future
應用該軟體的分析結果採取有效防範措施,可以預防或減少諧波源進入公用電網,減少或降低諧波諧振,進而減少電力事故和停電時間,提高電能質量,應用前景十分廣闊。But an alternative simpler method is through the proton exchange ( pe ) process at lower temperature. pe waveguides exhibit larger increment of the index and lower waveguide loss than ti indiffusion waveguides. however, pe waveguide devices have n ' t been fully mature
質子交換與傳統的鈦擴散工藝相比製作十分簡單,制備的波導具有較高的折射率增量、較小的波導損耗、較強的抗光折變能力,不但能大大降低成本而且還可以提高性能,但是質子交換波導器件目前尚未成熟。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關,還與定、轉子齒極數、定子繞組連接方式等密切相關,從而使得sr電機磁場分析很復雜,復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升,因此高性能的sr電機的熱分析也成為目前的研究熱點。Research on the high capability virtual digital oscilloscope and its realization
高性能虛擬數字示波器的研究與實現Sopc brings another develop technology to it. the content of this dissertation is about one of solution of digital portable, dual channel, store oscilloscope which is based on sopc technology
與此同時,高性能、低功耗、微型化是現代數字示波器發展的一個方向, sopc技術的出現為數字示波器的這種發展方向帶來了一種新的開發技術。After the storm move in shandong area, the moist downdrafts appears, the mgws apart from the thunderstorm and move faster, the mgws weaken gradually because absence of wave duct and energy supply
成熟階段的對流風暴,由於中高層潛熱釋放和濕下沉氣流進一步加強,波動傳播加快; mgws和對流風暴分離后,因無「波道」機制和波能供給,波幅逐漸減小。The subjects under research include high - performance rubidium atomic frequency standard, microwave and optical trapped ion frequency standard and cold atom frequency standard, etc. the lab
目前正在開展的研究課題有高性能銣頻標、離子阱微波頻標和光頻標、冷原子頻標等。Under the guide of the matched filtering theory, the pulse compression system, based on fpga ep1k100qc208 - 1 and 4 pieces of high performance adsp21160m, was developed successfully
在匹配濾波理論的指導下,成功研製了基於fpgaep1k100qc208 - 1和4片高性能adsp21160m的多波形頻域數字脈沖壓縮系統。It point out the resolving methods of the high frequency communication characteristic and its attenuation of the distribution network are the new research field
指出電網的高頻通信特性及其抗干擾、抗衰耗對策是獨立於高性能載波晶元的研究領域。Above all, we introduce the development of millimeter - wave power combiner and the novel study production at home and abroad. taking circuit form into consideration in the design of millimeter - wave power combiner, the gauge of high reliability and high performance must be defined. we design two kinds of waveguide - to - microstrip transition, the first kind of transition based on the achievement of a matched impedance probe show excellent performance, the second transition can also have good performance on some conditions through numerical simulation
介紹了國內外毫米波功率合成的發展狀況和最新的研究成果。考慮擬以電路合成方式做毫米波功率合成器,必須解決與功率合成有關的相關組件的高可靠高性能指標問題,因此設計了兩種波導微帶過渡結構,其中探針式過渡測試達到了較好的效果,並對所提出的一種新型微帶波導過渡進行了模擬,在一定條件下具有較好的性能。Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment
對小電流接地系統電弧故障的選線模擬是本文的重點,也是一個創新點,本文從研究的角度,在深入分析電弧接地時故障電壓、電流的特點和變化情況的基礎上,進行了大量的選線模擬,模擬表明電弧故障時,小波分析方法也能準確地選出故障線路,這對研製高性能的接地保護裝置將起到重要的指導作用。Presents the development of modern signal processing techniques, a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where, the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing, the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp
針對近年來提出的通過直接中頻采樣來實現正交相干檢波的方法,分析了其基本實現原理,並用統一的觀點解釋了迄今為止國內外基於此提出的各種實現方法;對每一實現方法的基本原理和實現過程都作了分析,並給出了計算機模擬結果;在此基礎上比較了各方法的性能指標及適應條件.理論分析和模擬結果證明,這一方法完全可以滿足高性能信號處理的要求分享友人