noise factor 中文意思是什麼

noise factor 解釋
噪聲系數噪聲指數
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. Relations between the signal - to - noise, sensibility, demagnetizing factor, output of fluxgate sensor with its diameter, thickness and turns of core are discussed in this paper. the author of this paper also concluded some basic principle for the designing of fluxgate sensor. the author designed and produced two dimension sensors to prove the possibility of the miniaturization of fluxgate sensor

    本文還分析了小型化傳感器的實現可行性,分析了磁通門傳感器的信噪比、靈敏度、退磁系數、感應輸出與傳感器磁芯直徑、厚度和磁芯匝數的關系,論證了傳感器小型化的可行性,總結了在設計磁通門傳感器時所應遵循的基本原則,並且設計製作了兩種尺寸的傳感器,從實驗角度論證了傳感器小型化的可行性。
  2. ~ ( 252 ) c _ f - source - driven neutron noise analysis method is a way of measuring and analyzing the reactivity of reactor or subcritical reactor, which detects subcritical neutron multiplication factor, prompt neutron decay constant, and so on

    ~ ( 252 ) c _ f源驅動噪聲分析法是一種測量、分析反應堆和次臨界系統的快速反應性的方法,可作為臨界安全的瞬時檢測方法。
  3. Thereafter, the applications of go sequences in single - cell s - cdma systems are discussed in this thesis. in additive white gaussion noise ( awgn ) channel, interference components in s - cdma systems accommodating more users than the spreading factor is analyzed based on the theoretical bound of the periodic correlation mean square property. then two interference - suppressed s - cdma system models of augmented capacity are proposed, along with the analysis and simulation results

    在加性白高斯噪聲( awgn )通道條件下,以序列集周期相關均方特性理論界為基礎,對序列個數大於系統擴頻因子的s - cdma系統干擾組成進行了分析,並基於截短wh序列提出了兩種高容量低干擾s - cdma系統模型,給出了分析和模擬結果。
  4. While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance

    此外,文中還對w頻段微帶結構直流偏置網路、微帶波導過渡等外圍電路進行了模擬優化,設計方法和結論對毫米波微帶電路設計具有通用的參考價值。
  5. Abstract : in this paper, the reason arisen from the noise of the bx1 ac arc welder is analysed. for the main factor, moving core viberating, the measure to reduce the noise is advanced from three hands, inside and outside slide. the other measure is also advanced for the second factor

    文摘:對bx1系列交流弧焊機噪聲產生的原因進行了分析,針對產生噪聲的主要原因? ?動鐵芯的振動,從三個方面、內外滑道分別提出了具體的降低措施,並對次要原因也提出了具體降低措施。
  6. Based on the principle of the ultrasonic cross - correlation flowmeter, the key factor of the development of cross - correlation flowmeter, namely the design of cross - correlator, is analyzed in the paper. digital signal processing is introduced to design the flowmeter, the cross - correlation operation of random noise signal is dealt with inside the frequency field, and the digital cross - correlator is designed

    本文從超聲相關流量計的工作原理出發,分析了超聲相關流量計研製的關鍵因素,即相關器的設計,並將數字信號處理技術引入了超聲相關流量計的設計,在頻域內對流動隨機噪聲信號進行相關處理,構造了數字相關器。
  7. But this is not a problem for ship structure which is thin and good ductibility. the basic equation of statistical energy analysis is deduced in this paper, the shipboard noise of 295, ooodwt vlcc is calculated based on sea, the factor effect on the noise of shipboard is discussed and some measurement to reduce the noise level is suggested

    根據統計能量分析方法的基本原理,以實船為例進行了船舶機械設備等噪聲聲壓水平的估算和船舶艙室噪聲預示,並對影響船舶艙室噪聲水平的各種因素進行了分析,提出了減小船舶艙室噪聲水平的方法。
  8. Its basic principle is to regard selecting or do not selecting a feature as a two - level independent factor ; the parameters of svm as continuous noise factors ; the accuracy of the svm model as the dependent variable ; to employ a fractional factorial experiment design to form the experiment which combines the two - level factors and the noise factors ; after the experiment is finished, to analyze the effect of each factor to determine the effective independent factor combination, namely the best feature combination for the svm model

    其基本原?為:將一個輸入變?的選取與否視為一個二水準的實驗因子;將一個? ?視為一個?續的噪音因子;將模型的準確?視為因變? ; ?用部分因子實驗設計得到實驗因子與噪音因子的組合;實驗完畢后,進?因子的效果分析,以決定最佳的實驗因子組合,即最佳的輸入變?組合。
  9. It is recognized that light noise levels can be a health problem, a safety factor, and that excessive noise can decrease the efficiency of the work force and have a general negative effect on the environment

    一個安靜的環境不僅有益於健康,而且能夠提高工作效率和增加安全系數。許多船東,特別是歐美國家的船東,在設計任務書中對船舶艙室噪聲水平提出了嚴格的要求。
  10. In various high performance, wide dynamic range frequency convertings, phase noise is a main limiting factor

    在各種高性能、寬動態范圍的頻率變換中,相位噪聲是一個主要的限制因素。
  11. Then by the method of computer simulation, the following jamming patterns are made quantitative analysis, radio - frequency noise jamming, continuous single tune jamming, continuous noise amplitude - modulated jamming, relayed frequency shift jamming, and the key factor which affect the quality of these jamming patterns

    然後在此基礎上,通過計算機模擬分析,定量地討論了射頻噪聲干擾、連續正弦波干擾、轉發移頻脈沖干擾以及影響它們干擾品質的因素,並以壓制系數為衡量標準,進行了干擾效能分析。
  12. In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise

    本文以光學陀螺為研究對象,開展了以下幾方面的研究工作:本文對光學陀螺性能的兩個重要指標?標度因數和零偏穩定性進行了較為詳細的研究,其中包括陀螺的零偏b _ 0 、零偏重復性b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系數rwc和標度因數k 、標度因數的非線性k _ n 、標度因數不對稱性k _ h 、標度因數重復性k _ r等等。
  13. A controller is key factor for determining acoustic performances and price for an adaptive active noise control system applied to practical engineering

    摘要在自適應有源噪聲控制的實際應用中,控制器是決定整個系統性能和價格的關鍵因素。
  14. The main influence factor of seismic vertical resolution is very complex, manufacture and scientific research is main care the vertical resolution. besides of the noise, the vertical resolution is depend on the wavelength, we can enhance it through improve the shot condition and deconverlution

    而影響縱向解析度的因素比較復雜,也是生產和科研比較關心的問題,除去干擾等因素,縱向解析度主要取決于波長,可以通過改善野外激發條件和反褶積來解決。
  15. Noise factor, noise figure

    躁聲系數
  16. Noise factor noise figure

    躁聲系數
  17. Excess noise factor

    過量噪聲因數
  18. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  19. Measurements of the electrical properties of electronic tubes. part 4 : methods of measuring noise factor

    電子管電性能的測量.第4部分:噪聲系數的測量方法
  20. Measurement of the electrical properties of electronic tubes and valves ; methods of measuring noise factor

    電子管電氣性能測試.第6部分:噪聲系數的測量方法
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