upper frequency 中文意思是什麼

upper frequency 解釋
較高頻率
  • upper : adj 1 (更)上面的,上方的,上部的;較高的;上級的;(議會)上院的;(衣服)穿在外面的。2 上流的...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. The brief name ring, measures a device right high, inside, low and each segment scope for ability for even emersion of signal, pointing lowestly validity returning putting the frequency with tallestly validity returning put of the frequencying. request towards device rang contain both side, on is a scoping as far as possible breadth, can be namely frequency bottom that replay the is as far as possible low, and the upper limit is as far as possible high ; two is a frequency scope the inside is at all point to respond to as far as possible flat, avoided to appeared the big motion

    簡稱頻響,衡量一件器材對高中低各頻段信號均勻再現的能力,指最低有效回放頻率與最高有效回放頻率之間的范圍。對器材頻響的要求有兩方面,一是范圍盡量寬,即能夠重播的頻率下限盡量低,上限盡量高二是頻率范圍內各點的響應盡量平坦,避免出現過大的波動。
  2. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?
  3. The upper yingshan formation in tahe oil field is analyzed in the light of the theory of high - frequency sequence stratigraphy ; it comprise of 4 fourth - order sequences, including two progradation parasequence sets and two retrogradation parasequence sets, and 28 fifth - order sequences

    由於四級層序、五級層序是受米蘭科維奇天文周期控制的異旋同成因層序,橫向變化不大,能夠在大范圍內追蹤對比。
  4. Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph

    其原理是具有脫層的層合材料構件(梁或板)包含脫層區域及未脫層區域,脫層區域分為上下兩部分,若對層合材料構件施加小振幅、高頻率的振動激勵,當激勵頻率恰好接近其中一部分的固有頻率時,該部分就會產生共振響應,部分機械能將轉化為熱能,使脫層區域的溫度遠高於未脫層區域,藉助紅外熱像儀即可顯示出脫層的位置。
  5. When we have come into high enough resonance with the frequency patterns of the divine names within our very own beingness, the pathway is then opened for the angelic beings holding these patterns, to project their image directly into your holistic body / mind / soul template, thereby bringing you the last distance across the upper threshold into your divine heritage : full expression of the adam kadmon template

    當我們擁有了浸淫非常自我化屬性的神性名稱頻率模式進入到足夠高的共振時候,於是持有這些特質的天使生命這樣的道路就開啟了,就可以投射天使的圖像進入你全部的身體/思想/靈魂模板內去,因此把你最終的越過上面的道路帶進到神性傳承里來:這就是亞當卡德蒙模板的完整解釋。
  6. Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state

    由於光子晶體具有不同於真空中的光子態密度,原子和光子帶隙材料便發生相互作用,這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
  7. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  8. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動力作用引起橋樑上部結構的振動可能使結構構件產生疲勞,降低其強度和穩定性;橋梁振動過大可能會對橋上車輛的運行安全和穩定性產生影響;當列車的動力變化頻率與橋跨結構自振頻率相等或接近時,引起的共振可能會使車橋動力響應加劇。
  9. An upper arm artery ' s ability to relax and expand to accommodate increased blood flow - - known as flow mediated dilation ( fmd ) - - was measured using high - frequency ultrasound before and after daily cocoa or placebo consumption

    在每日攝食可可或安慰劑前後, (研究人員)利用高頻超音波,對肱動脈因應增加之血流的舒張能力;亦即流量介導擴張( fmd )進行測量。
  10. The transmitter adopt qam modulation mode, which is a directly modulation upper frequency conversion mode, which could afford more high bit rate transmission in the same bandwidth compared to other modulation mode

    發射機採用數字式調制方式,即qam直接調制上變頻方式,相對于其它調制方式可以實現在相同帶寬下的高碼率傳輸。
  11. This system employed a new concept for measuring upper winds, viz. use of vlf very low frequency in the range of 10 - 13 khz signals from a global navigational network, omega, for computing the wind

    與以往無線電相比,該系統在測風方面則採用了一種新的概念,利用世界性奧米茄導航站網的甚低頻信號10 - 13khz來計算出高空風向和風速,無需用雷達追蹤探空儀位置。
  12. Dds ( direct digital frequency synthesis ) can just solve this problem, yet the output has an upper bound and high wideband spurs

    Dds (直接數字頻率合成)的出現恰好可以彌補這一缺陷,但是它輸出頻率上限太低,寬帶雜散大。
  13. Focusing on a 64 - bit high - performance general purpose microprocessor with fully independent intellectual property, the thesis investigates a 128 - word 65 - bit general register file with 12 - read and 8 - write ports which is a representational one for its large - scale and multi - port characteristics in that microprocessor, and realizes its full custom design with high speed in read and write access. from the layout simulation result, under the 0. 18um process, the upper limit working frequency for the register file is 900mhz

    本文面向一款具有完全自主知識產權的64位高性能通用處理器,對其中具有代表性的128字65位12讀埠和8寫埠的通用寄存器文件進行研究,實現了它的高速讀寫全定製設計,版圖模擬結果表明,在0 . 18um工藝下,設計可以工作的時鐘頻率上限為900mhz 。
  14. In testing upper frequency, lower frequency, and modulating frequency, the method of directly testing upper frequency and lower frequency then calculating carrier frequency is adopted

    在測量移頻信號的上、下邊頻及載波頻率時,採用直接測量上、下邊頻,然後由上、下邊頻求中頻載波的方法。
  15. Because frequency - shift signal is a kind of modulation signal, it ' s waveform is two ac sine signal of alternating i. e. upper frequency and lower frequency which was generated by low frequency modulating middle frequency

    由於移頻信號是一種調頻信號,其波形為低頻信號調制中心載頻信號后產生的低端載頻(下邊頻)和高端載頻(上邊頻)兩個交替變化的正弦交流信號。
  16. The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency

    本課題研究內容:在不要點,不開天窗,不中斷行車,不中斷被測區段牽引電流的情況下,在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓,移頻信號(調頻信號)的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。
  17. Theoretical analysis and simulation results demonstrate that asymmetries in lower and upper sidebands and imd magnitude variation depending on envelope frequency and junction temperature can appear, these results are in accordance with measurement results, and show that electrical and thermal memory effects exist

    理論分析和模擬結果表明功率放大器上下邊帶不平衡和互調失真幅度依賴于包絡頻率和結溫,結果和測量的結果是一致的,說明存在電和熱記憶效應。
  18. Ultrasonic is a kind of mechanical wave that frequency is upper 20khz. ultrasonic may be generated by many ultrasonic transducers

    超聲波是頻率高於20khz的機械波,它可由多種能量轉換器轉變而成。
  19. These are the main contents : the characters in time domain and frequency domain of the background noise inside boiler are analyzed theoretically and studied by experiments, and the upper limit frequency of it is confirmed, these are very important to the diagnosis of boiler tube leak and avoid wrong alarms

    對爐內背景噪聲的時、頻域特性進行了理論分析與實驗研究,確定了爐內背景噪聲的上限頻率,這對爐管泄漏的診斷和防止誤報警具有重要意義。
  20. Since the energy of 18 - information track signal is concentrated around upper frequency and lower frequency, the frequency of the modulation signal is low, and it must have high resolution, we use zfft to detect it. as the energy of um - 71 signal is more concentrated, we use extreme value method to detect the frequency of modulation signal in frequency domain, which can satisfy the frequency resolution

    針對18信息軌道信號能量集中在上、下邊頻附近且低頻信息頻率低的情況,提出了用zoom - fft ( zoom指頻率擴展或細化,簡稱zfft )演算法進行信號的局部放大檢測低頻信息,以提高信號的頻率解析度,而um - 71軌道信號能量集中在載頻附近,在頻域上採用極值法檢測低頻信息,即可滿足信號頻率解析度的要求。
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