decrease of frequency 中文意思是什麼
decrease of frequency
解釋
頻率下降-
On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。 -
The frequency and intensity of yawning began to decrease 5 days after fluoxetine discontinuation
百憂解停藥5天後呵欠的頻率和強度開始減少。 -
In this paper, we design a new film stack by use of multi - frequency design idea, which decrease the film thickness of high refraction layers greatly, and the damage threshold of it will be improved hopefully. and at the base of this film stack, by optimizing the film thickness of several outmost layers, we design the hr film at 45 incidence for 632. 8nm and 1315nm with 180 ? or 90 phase retardance at 1315nm
隨著高功率coil輸出功率的進一步提高，傳統的設計膜系已逐漸不能滿足需要，為此我們利用倍頻的沒計思想，設計出了一種新的高反射膜系，與傳統的設計膜系相比，此膜系大大降低了高折射率層的厚度，使得膜系的損傷閩值有望得到極大提高。 -
The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions.
所觀察到的晚熟球果的頻率梯度變異可描述如下：向四周相當有規律地漸次減少。 -
It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak
結果表明：隨著值的增加，光子統計演化曲線的rabi振蕩的幅度減小，振蕩頻率變快，系統的反聚束效應增強；隨著初始場強（ ? ）的增大，場與原子的相互作用逐漸減弱，而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大，光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短，同時，系統的反聚束效應減弱。 -
A randomized, controlled trial of antibiotic therapy or no therapy for diabetic women with asymptomatic bacteriuria and continued screening for bacteriuria eery 3 months reported, after a maximum of 3 years of followup, that antimicrobial therapy did not delay or decrease the frequency of symptomatic urinary infection, nor did it decrease the number of hospitalizations for urinary infection or other causes [ 72 ]
一個隨機、對照試驗：抗菌治療或不治療無癥狀性菌尿的糖尿病婦女每3個月報告持續篩選菌尿，持續最長的3年，抗菌治療不能延續或減少癥狀性尿路感染的發生，也不能減少尿感的住院次數或同其他原因住院的次數。 -
The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最後，採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下，取得以下結論：升溫導致的材料機械性能下降都會降低結構固有頻率，而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率；金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。 -
In the distribution system, many capacitor banks are applied to decrease the loss of the network. the harmonic resonance may be incurred between the network and the capacitor banks in the harmonic frequency, thus the security of the system may be destroyed because of the high harmonic distortion level
配電網中裝設了大量的電容器進行無功優化來降低網損，但在諧波頻率下，容易產生系統與電容器之間的諧波諧振或諧波放大，從而使系統的諧波畸變率變大，破壞了系統的安全運行。 -
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。 -
This thesis mainly discusses the techniques of channel estimation in frequency domain, which utilizes the optimized leading sequence. an enhanced method for searching optimized leading sequences is introduced based on existing documents. this method can decrease the errors and make the searching and caculating easier
本論文主要討論用最佳前導序列在頻域中進行通道估計的問題，在前人的基礎上提出一種改進型的搜索最佳前導序列的方法，可使得估計誤差減小且便於搜索計算，模擬驗證了演算法的有效性。 -
To reduce the harmonics in the line current, the random pwm mode is adapt. related to the typically constant pwm carrier frequency and its high harmonics, modulation of this frequency can be used to decrease emi and cost no more gain
為了抑制輸入電流中一些幅值較大的諧波成分，利用dsp控制的特點，電路採用了隨機pwm方式，在不增加系統成本的前提下，有效地抑制了輸入電流的高次諧波含量。 -
Firstly, we find that both the quoted bid - ask spreads and depths decline dramatically in all twenty - five closed - end funds following the reduction in minimum tick size. we also find trade frequency increase. secondly, our analysis shows the reduction in minimum tick size cause an decrease in the variance of rice. finaly, we find that the minimum tick size influence the market efficency and the reduction in minimum tick size increase the market information efficency
研究結果表明：一，最小報價單位「分改厘」使上海證券交易所交易的25支封閉基金的買賣價差和報價深度明顯減小，而交易頻數增加：二，最小報價單位的減小降低了封閉式基金的價格波動性；三，最小報價單位的大小會影響市場效率， 「分改厘」提高了封閉式基金市場的信息效率。 -
Since commercial pll ic came out, phase - locked - loop frequency synthesis has become widely accepted. but when narrow frequency - step is required, the loop bandwidth has to decrease while cannot meet the demand of frequency - hopping speed
數字鎖相集成器件出現以來，鎖相式頻率合成器得到迅速發展，但是當需要窄頻率步進時，環路帶寬需要降低，致使鎖定時間變長，不能滿足快速跳頻的要求。 -
It is showed in buffeting analysis that the analysis results in time domain agree well with those in frequency domain. effect of pylon wind field can increase the lateral buffeting response of pylon. nonlinear factor can decrease the nature frequency of cable - stayed bridge, and can increase the vertical and torsional buffeting response
時域抖振分析結果表明：大跨度斜拉橋抖振的時域和頻域分析方法具有較好的一致性；考慮橋塔風效應會顯著增大橋塔的橫橋向抖振響應；非線性因素會降低斜拉橋的自振頻率，會增大斜拉橋的豎向及扭轉抖振響應。 -
Traditional feedback exterminating means include improving rooms ’ acoustic property, cascading equalizers or frequency - shifters in the sound amplifying link, etc. nevertheless, these means are inconvenient to operate and cause unnecessary decrease of gain and sound fidelity
傳統的聲反饋抑制方法，包括改善房間聲學環境、在系統中串聯均衡器或移頻器等。但這些方法操作不便，對音質損傷大，而且傳聲增益提高甚微。 -
Second, the burst packet loss reduction algorithm is designated to decrease the frequency of continuous packet loss
其二，封包遺失減少演演算法乃為減少連續封包遺失之發生頻率而設計。 -
4. to decrease the usage of network resources by network management systems even more, combined with the fact that the performance of network management is affected by the scheme to collect management information, a new algorithm - gpa ( group - prefetching algorithm ) has been put forward used for retrieving management information from the element level in heterogeneous wan ( wide area network ). gpa can adjust many little retrieving objects into one prefetching group to access by using the schemes of group prefetching, objects of group changed self - adaptively, fault tolerance etc., and thus can decrease the frequency of retrieval, use fewer network resources and decrease the network overhead without alteration of iiop, snmp or cmip too
4 .為進一步減少網路管理系統對網路帶寬的佔用，結合被管對象信息的收集策略直接影響網管系統性能的特點，針對異構大型網路環境下多管理對象的信息收集問題，提出了一種提取多管理對象信息的新演算法?組預取演算法gpa （ group一prefetehingalgorithim ） ，該演算法同樣能在不改變管理協議，如iiop 、 snmp或cmip的情況下，採用組預取策略、組對象自適應擴充策略、組對象自適應收縮策略、容錯策略等，將多個分散的、處于相同或不同被管設備上的、在未來一段時間內的管理對象的訪問組合在一個預取組中進行訪問，減少對管理對象的訪問頻度，從而可以較少佔用網路資源，減小整個網路開銷。 -
Increasing the fft ’ s points can decrease the frequency interval, but it will increase the complexity of computation at large extent
如採用增大fft運算的點數來減小頻率采樣的間隔，將大大增加數字信號處理的運算量，從而影響到雷達工作的實時性。 -
This will decrease the frequency of the local oscillator and simplify the local oscillator design, and increase the performance and the reliability of the mixer. in this article, the input diplexer method was firstly presented in the mixer design
在設計過程中，本文首次提出了基於合路雙工注入原理實現次諧波混頻器設計的方案，設計思路簡單，適于工程使用。 -
Using subdivided control method in the system can markedly decrease low frequency vibration of the motor, and can enhance motor ' s accuracy
步進電機細分控制策略能夠有效地克服電機低頻振動的問題，提高了電機在中、低速運行時的性能。
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