limiting frequency造句
例句與造句
- Limited frequency unannounced access
有限次數(shù)未預(yù)告接近 - Band limited frequency spectrum
限帶頻譜 - The difference , expressed in hertz , between the two limiting frequencies of a band
一個(gè)頻帶的上下界頻率之差,單位用赫茲表示。 - The difference , expressed in hertz , between the two limiting frequencies of a band
一個(gè)頻帶的上下界頻率之差，單位用赫茲表示。 - With the fast development of mobile communications and emerging services , the demands for the limited frequency resource are booming
移動(dòng)通信的飛速發(fā)展和新業(yè)務(wù)的不斷出現(xiàn)，對(duì)有限的頻帶資源的需求越來越大。 - It's difficult to find limiting frequency in a sentence. 用limiting frequency造句挺難的
- They rearranged your dna in order to have you broadcast within a certain limited frequency band whose frequency could feed them and keep them in power
他們重新排列你們的dna為了讓你們?cè)谝欢ǖ挠邢揞l帶內(nèi)播放，你們的頻率可以喂養(yǎng)他們，而使他們擁有力量。 - In order to increase the efficiency on using limited frequency resource , orthogonal polarization is normally adopted for frequency reuse , thus offering double bandwidth at the certain working band
為了充分利用有限的頻譜資源，衛(wèi)星通信采用正交極化頻率復(fù)用方式，在給定的工作頻段上提供雙倍的使用帶寬。 - With the rapid development of mobile communication systems , the existing gsm and narrowband cdma cellular system cannot solve the contradiction between the limited frequency source and the increased mobile users
隨著移動(dòng)通信的飛速發(fā)展，現(xiàn)有的gsm系統(tǒng)和窄帶cdma系統(tǒng)已無法緩解頻率資源有限與移動(dòng)用戶急速增加的尖銳矛盾。 - 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(duì)爐內(nèi)背景噪聲的時(shí)、頻域特性進(jìn)行了理論分析與實(shí)驗(yàn)研究，確定了爐內(nèi)背景噪聲的上限頻率，這對(duì)爐管泄漏的診斷和防止誤報(bào)警具有重要意義。 - It has been widely applied in personal communications , mobile communications and the field of broad band wireless access , and it has also been regarded as the main air access of the third generation mobile communications , because comparing with tdma and fdma , cdma has greater system capacity , higher frequency efficiency and stronger anti - interference ability , at the same time it still has the potential of solving the conflict of limited frequency resource and limitless user request
相對(duì)于tdma ， fdma等多址技術(shù)而言，它具有系統(tǒng)容量大，頻帶利用率高，抗干擾能力強(qiáng)，保密性能好等優(yōu)越性，同時(shí)還具有緩解有限頻帶與無線用戶需求之間矛盾的潛力，因而在個(gè)人通信，移動(dòng)通信，寬帶無限接入領(lǐng)域都得到了廣泛的應(yīng)用，也被普遍認(rèn)為是未來第三代移動(dòng)通信的主流空中接口技術(shù)。 - At last , in according to the experiment results , the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation . further more , the relationship among the limit frequency , the value of prepressing , excitation frequency , the amplitude of excitation and the materiel parameter was analyzed . base on the theory analysis the limit frequency formula was given , and the contact - slip condition for engineering application was concluded
最后根據(jù)理論研究與試驗(yàn)分析的結(jié)果，分析預(yù)緊接觸式彈簧阻尼系統(tǒng)產(chǎn)生滑移現(xiàn)象的機(jī)理以及共振峰值漂移現(xiàn)象的理論解釋，并通過定性分析接觸分離時(shí)的頻率與預(yù)緊量、激勵(lì)頻率、激勵(lì)力幅值以及墊層的材料參數(shù)之間的關(guān)系，提出能定量描述系統(tǒng)出現(xiàn)滑移現(xiàn)象的極限頻率公式，總結(jié)了預(yù)緊接觸式結(jié)構(gòu)始終保持接觸的條件。 - Cdma becomes the key technique to realize the 3rd generation mobile communication , and has been widely used . with the rapid increase of social information demand and the fast popularization of individual mobile communication , frequency has become more and more valuable . in order to hold more users in a limited frequency , many technique is proposed , among which smart antenna is the research hotspot
Cdma作為實(shí)現(xiàn)第三代移動(dòng)通信的關(guān)鍵技術(shù)，得到了廣泛的應(yīng)用。隨著社會(huì)信息需求的急劇增加、個(gè)人移動(dòng)通信的迅速普及，頻譜已成為越來越寶貴的資源。為了在有限的頻帶上容納更多的用戶，有許多技術(shù)被提了出來，其中的一個(gè)研究熱點(diǎn)就是智能天線。 - With the increasing of mobile users and the demands which are transforming from the pure voice service to multimedia service , the limited frequency spectrum resources are running short . in the future the transmission rate in wireless multimedia communications will reach 100mbit / s
隨著移動(dòng)用戶的增多以及人們對(duì)移動(dòng)通信業(yè)務(wù)的追求從單純的語音業(yè)務(wù)擴(kuò)展到多媒體業(yè)務(wù),有限的頻譜資源顯得日趨緊張。未來高速無線多媒體通信要求數(shù)據(jù)傳輸速率可達(dá)100mbit / s ,因此追求盡可能高的頻譜利用率以及增加通信系統(tǒng)容量已成為并且在今后仍然是一個(gè)充滿挑戰(zhàn)的問題。 - Thinning the crystal grain and increasing the center vent are effective approach to raise the limiting frequency of high permeability mnzn ferrite . through large quantities of experiments , we made progress in raising limiting frequency of high permeability mnzn ferrite . we prepared the broad band mnzn ferrite of which the initial permeability was 10000
通過采用上述實(shí)驗(yàn)中的優(yōu)化配方、添加劑組合以及制備工藝,我們?cè)诟叽艑?dǎo)率材料的寬頻特性方面取得了很大的進(jìn)展,研制出了起始磁導(dǎo)率磁導(dǎo)率為10000的寬頻mnzn鐵氧體材料,當(dāng)頻率達(dá)到300khz時(shí),起始磁導(dǎo)率下降不到20 % ,其性能相當(dāng)于epcos公司改進(jìn)的t38材料。 - The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media . time signal stacker receive signal by stacking and doing fft to measure the transfer function of media . " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window
精密可控震源用于產(chǎn)生頻率精確相位穩(wěn)定的正弦彈性波以照射地層內(nèi)部，信號(hào)疊加器通過對(duì)接收信號(hào)進(jìn)行疊加和進(jìn)行傅立葉變換的方式實(shí)現(xiàn)對(duì)介質(zhì)傳遞函數(shù)的精密測(cè)量， “存否”倒譜方法能夠根據(jù)一段窄帶頻域傳遞函數(shù)數(shù)據(jù)獲得時(shí)域上各個(gè)波成分的群速度傳播時(shí)間和介質(zhì)衰減因子。
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