模頻譜 的英文怎麼說

中文拼音 [bīn]
模頻譜 英文
mode spectrum
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished

    本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原理,擬了傳動誤差曲線及其空域圖,詳細闡述了轉子測量的電路設計、下位機程序設計和上位機的軟體設計。
  2. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光掃描塊,傳給功率控制塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制塊的控制中心去調節電可調節衰減器。
  3. Our factory is established in 2004, the existing staff 80 people, workshop area 2000m2, has the production assembly line 3 and thespectrometer, the oscilloscope, the high frequency signal generator, leaks the reflectoscope reflector, the pressure resistancereflectoscope reflector, the overflow welding machine, production, thecheck - out facility and so on led lamps and lanterns simulationreflectoscope reflector

    我們廠成立於2004年,現有員工80餘人,廠房面積2000m2 ,擁有生產流水線3條及儀、示波器、高信號發生器、漏電測試儀、耐壓測試儀、溢流焊機、 led燈具擬測試儀等生產、檢測設備。
  4. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子擬計算機陰極射線管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其計算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏分析方法,實驗證明了其有效性; 3
  5. To obtain the statistical boilerplate of lst according to the asymmetry distribution of cloud, we compared the images of the averaged temperature, which were respectively imaged by using satellite remote sensing and by using the general weather data, and analyzed the frequency of real - time lst figures by employing appropriate templets

    針對雲系的空間分佈不均勻性,採用適當板對lst實況圖進行分析,找出lst的統計樣區,繼而對這些區域的lst數值進行平均,得到多年lst平均圖的參照標準。
  6. The spectrum analysis showed that only the balance signals require processing by digital filter, and only inherent frequency components of balance, bracket and model system of the balance signals will require filtering, but the resonance components of test force oscillatory are. saved as more as possible

    數據的分析結果表明只須對天平測量信號做數字濾波處理;濾波原則是僅需濾掉天平、支架、型系統的固有振動率分量,同時盡可能多地保留實驗強迫振動的各階諧振信號。
  7. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣率轉換的數字濾波器的特點,即多相濾波實現數字上下變計算負擔的減小,之後進一步將多相濾波器與搬移部分結合,通過公式的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理型。
  8. A method and system are disclosed for constructing a power spectrum based connection admission control table and using such a table in a communications network, such as an atm network

    本發明揭示一種建立允諾控製表的方法以及系統架構,並將這個控製表應用在通訊網路如非同步傳輸式網路中。
  9. Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis

    摘要運用經驗式分解演算法對數值擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解,從而得到若干個基本式分量,對每個式分量進行了分析。
  10. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap,選取光易型方向函數(含三個參數) 、 donelan方向函數以及文氏方向函數等不同的方向函數進行擬,對得到的波峰形式進行比較,分析了方向函數對波峰長度統計值的影響。
  11. In order to avoid spectrum error due to energy leakage, the thesis research on identification of parameters of two close frequency components in discrete spectrum analysis, and simulation result shows the validity of the method

    針對由於能量泄漏造成的誤差,深入研究了密集域參數識別法,從理論上加以推導,並通過擬證明了該方法的有效性,可以識別1個率解析度以內的兩臨近率分量。
  12. Propagation of spectra affected by third - order dispersion in dispersion - decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation

    摘要為探討三階色散對脈沖傳播的意義,用數值擬的方法討論了在色散緩變光纖中零色散波長附近三階色散對脈沖演變的影響。
  13. Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit

    通常指一種內裝數字分網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流,在用數字信號處理的方法將音分割后,便分別將這些信號變換為擬信號,然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。
  14. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信擬軟體systemview對dsss技術的通信和抗干擾原理進行擬分析,分別對時域和域下採用dsss技術前後接收信號的進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  15. The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument

    本文採用塊化設計方法,詳細描述了典型信號生成塊、數據處理塊、數據讀取和存儲塊、顯示塊等軟體開發的全過程,分析、解決了設計及實現過程中出現的問題,並給出了已實現的虛擬信號分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。
  16. Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis

    對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究,分析水泥?水玻璃加固土的疲勞壽命及其影響因素,以及固結土的動量特徵,並對水泥土在動、靜荷載作用下的變形特徵進行比較,分析對比不同振幅與率的動荷載作用下的水泥加固土的應變響應及其特性。
  17. Based on the spectrum of mean sea level ( msl ) and the relation model between two tidal stations, the mathematical model for hydrographic datum transfer are studied

    基於平均海面的結構和兩驗潮站潮位之間的關系型,對基準面傳遞的方法原理進行了理論研究。
  18. This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic

    本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究,主要體現在以下幾個方面:首先,從脈沖壓縮基本理論出發,分別給出了線性調、二相編碼和率步進信號的糊函數、脈沖壓縮以及特性,對多普勒性能進行了簡要分析。
  19. The characteristics of each rainbow for an inhomogeneous particle are studied here using lorenz - mie theory. the relation of the positions of airy peaks to each order rainbow with the profile of refractive index is simulated and discussed, which is compared with the results simulated by ray tracing theory

    本文還利用lorenz mie理論分析了非均勻球粒子各階彩虹的強度和分佈特點,利用ifft方法重建了各階彩虹的強度分佈;分析研究了各階彩虹的airy峰角位置與折射率分佈的關系,並與非均勻粒子射線追跡理論的擬結果進行比較。
  20. An improved ar model spectral estimation for carrier frequency

    估計法提取載波
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