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等效带宽     
相关语句
  equivalent bandwidth
     Application of Equivalent Bandwidth in MAC Protocol for Wireless ATM Networks
     等效带宽在无线ATM网络的MAC协议中的应用
短句来源
     And the equivalent bandwidth of interferogram is suggested to determine whether the fixed-band filter for spatial decorrelation is needed by the InSAR images.
     提出了采用InSAR图像对干涉图的距离向频谱的等效带宽,来判断是否需要对InSAR图像对作固定带宽的距离向预滤波处理。
短句来源
     The theoretical results show the transmission characteristics of the filter are relatively insensitive to the laser pump power and magnetic strength. The laser pump powers require range from 0 8 to 6 mW·cm -2 .Our model predicts a peak transmission of 50% and an equivalent bandwidth of 4 GHz for the filter operating on the 4 P 1/2 ←8 S 1/2 transition in potassium.
     结果表明 :这种工作在钾 4P1/ 2 ← 8S1/ 2 跃迁谱线的滤波器的峰值透过率为 5 0 % ,等效带宽为 4GHz。 同时滤波器的传输特性跟激光泵浦功率以及外加磁场强度并不是线性相关 ;
短句来源
     A NOVEL EQUIVALENT BANDWIDTH ESTIMATION METHOD
     一种新的等效带宽估计方法
短句来源
     Equivalent bandwidth estimation with delay constrain
     时延约束下的等效带宽估计
短句来源
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  effective bandwidth
     A Cross-layer Resource Allocation Scheme Based on Effective Bandwidth for OFDM Systems
     一种基于等效带宽的OFDM系统跨层资源分配方案(英文)
短句来源
     Effective bandwidth calculating of self-similar real-time traffic
     自相似实时业务的等效带宽计算
短句来源
     This paper presents a virtual effeCtive bandwidth allocation algorithm used for calladmission control in ATM network. The algorithm is based on the concepts of virtual cell loss proba-bility and effective bandwidth allocation.
     根据虚信元丢失率和等效带宽分配的概念,提出了一种用于ATM网络中的呼叫允许接入控制的虚拟等效带宽分配算法。
短句来源
     The effective bandwidth which considering the QoS requirements is introduced in the scheduling process. The scheduling depends on the users' effective bandwidth and channel gains.
     在调度过程中,引入了考虑QoS要求的“等效带宽”,以用户的等效带宽和信道增益为依据进行调度;
短句来源
     Aimed at the quality of service required by real-time service,an effective bandwidth calculating method for self-similar traffic is presented to provide guaranteed packet loss probability and maximum delay.
     针对多媒体实时业务需要提供特定服务质量的情况,给出了一种能够同时保证分组丢失概率和最大延时的自相似业务等效带宽计算方法。
短句来源
  equivalent capacity
     An ATM routing problem is converted to a common communication network routing by taking advantage of the concept of equivalent capacity. Hopfield network is employed in optimal routing. Further more, this thesis proposes dual routing algorithm to reduce complexity of optimal routing algorithm with Hopfield network only.
     本文研究人工神经网络用于ATM网络路由选择问题.通过引入等效带宽的概念,利用Hopfield网络求解一般通信网路由选择的原理,求解ATM网络最优选路问题.本文以降低呼损率和运算复杂度为目标,提出双重选路算法,在运算复杂度和路由最优化之间取得折衷.计算机仿真结果表明,ATM双重选路算法有效降低了呼损率.
短句来源
  “等效带宽”译为未确定词的双语例句
     An extrapolation algorithm is used to expand the 2-D bandwidth of the detailed image to enhance the resolution and the implementation steps are discussed in detail in this paper.
     本文通过对图像的二维频谱进行外推 ,扩展了SAR系统的等效带宽以达到提高图像分辨率的目的 .
短句来源
     The system efficiency was improved by charging each user a suitable price.
     在此价格函数中 ,利用等效带宽来反映系统当前的资源消耗情况 ,通过动态地对各个用户施加价格使系统的运行效率大为提高。
短句来源
     A medium access control(MAC) protocol with effective spectral bandwidth distribution was proposed for the CDMA network carrying multi-service traffics. Based on the “BER limited” characteristics of the CDMA system,the protocol maps the diverse BER requirements of multimedia services into the effective spectral bandwidth.
     提出了一种基于等效带宽分配的媒质接入控制(MAC)方法,它针对CDMA系统是“误码率受限”型系统这一特点,将多媒体业务不同的误码率要求映射为等效带宽
短句来源
     The ef-fective bandwidth was dynamically distributed to different services according to the traffic of the system.
     系统根据流量动态地将等效带宽分配给不同业务。
短句来源
     So the effect of fixed bandwidth filtering upon the coherence of the InSAR images could be quantitatively analyzed.
     据此给出了在不同等效带宽情况下(相当于不同地形起伏条件下),固定带宽滤波对InSAR图像对相关性的影响。
短句来源
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  equivalent bandwidth
CBR/VBR calls (characterized by their equivalent bandwidth) are blocked and leave the system if the available link capacity is less than required at the time of arrival.
      
Admission control here refers to computing the aggregate equivalent bandwidth.
      
For example, if a signal's rise time is 2 ns, the equivalent bandwidth is 175 MHz.
      
Finally, the use of equivalent bandwidth allocation gives better results when traffic burstiness is high.
      
Given that there are alternatives that provide the equivalent bandwidth, the networks may not reach this level.
      
更多          
  effective bandwidth
The best windows for the purpose of localized spectral analysis have their energy concentrated in the region of interest while possessing the smallest effective bandwidth as possible.
      
The required time resolution of the signals produced by moving targets is achieved by processing the spectrum of the received echo signals so as to broaden its effective bandwidth.
      
Coherence-time and effective bandwidth of blackbody radiation
      
The coherence-time and the effective bandwidth of blackbody radiation are calculated on the basis of definitions proposed for these quantities byWolf(5) andMandel(6).
      
To improve the axial resolution, a broadband synthesized light source with an effective bandwidth of 50 nm is used, and the group dispersion of the ocular media is compensated.
      
更多          
  equivalent capacity
A pushover analysis procedure based on the capacity spectrum method for buildings with SSI effects (PASSI) is then established based on the equivalent SDOF system, and the modified response spectrum and equivalent capacity spectrum are obtained.
      
The units are all the same and have an equivalent capacity, so that any of them can replace any other unit.
      
A more complete information is deduced from the non linear approach as variations of equivalent capacity and permeability during a test are significant in most cases.
      
Additionally, RAID 6 requires the equivalent capacity of two drives in the array to be dedicated to only storing parity information.
      
Both species had an equivalent capacity to conduct water that was not altered with nutrient enrichment.
      
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Proceeding from the analysis of the alignment error, the author study the conditional relationship between the "equivalent line width''' of the dispersion for the step function edge and the "equivalent bandwidth" of the system, known as the uncertainty relationship for the optical systems. The measurement results are given. The equivalent line width and the equivalent bandwidth beq can be considered as the assessment critia of the imaging quality for the optical systems with small aberrations.

本文从光学测量系统对准误差的分析入手,研究了直边像弥散的“等效线宽”δ和系统的“等效带宽”B_(eq)间的相互制约关系——光学系统的测不准关系式,并给出了显微物镜的测量结果.δ和B_(eq).可以作为小像差光学系统的像质评价指标.

A narrow-band tracking phase-locked loop is proposed. Its noise band is designed to be very narrow and the desired amplitude of demodu lator output is the same as that in the wide-band loop while the noise of demodulator output is much lower. Therefore the output signal-to-noise ratio of the demodulator and the communication reliability of the system are greatly improved. The demodulator proposed is simple in circuit configuration and high in transmission rate.

本文提出一种新的设计窄带跟踪环的方法,由此设计的窄带跟踪环路解调器,电路简单,等效带宽较窄,用它解调FSK信号,传输可靠性高。

In this paper,the effect of noise on oscillators is taken into account,the internal noise of the active device of oscillators can be considered as an external input signal of the oscillator, no matter what kinds of operating states are,the oscillator may be considered as a noise amplifier with deep positive feed back and the sine wave signal of the oscillator output is taken as a narrow band Gaussian noise signal .According to above-metioned ideas,oscillators are analyzed and studied. The main spectrum of the...

In this paper,the effect of noise on oscillators is taken into account,the internal noise of the active device of oscillators can be considered as an external input signal of the oscillator, no matter what kinds of operating states are,the oscillator may be considered as a noise amplifier with deep positive feed back and the sine wave signal of the oscillator output is taken as a narrow band Gaussian noise signal .According to above-metioned ideas,oscillators are analyzed and studied. The main spectrum of the sine wave signals of oscillators outputs,its equivalent bandwidth and the relation between spectrum and operation parameters of the active device are presented. Meanwhile,some new concepts,such as,the formation mechanism of the random walk noise in oscillators,the limit of the lowest frequency of the signal being able to cause modulation phenomenons and the variance of fractional frequency fluctuation which is convergent are put forward.Finally,the experimental circuit and the measured phase noise spectrum of a 200MHz crystal oscillator are given. Results of the experiment are in agreement with the practice of oscillators.

本文将高频振荡器视为具有深度正反馈噪声放大器。对它分析,给出正弦波信号的谱、等效带宽及相位噪声谱;同时还提出诸如高频振荡器内部产生的随机游走噪声形成机理等新看法。

 
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