bit error rate造句
例句与造句
- Based on the detail of traditional tcp , the reason of the low throughput and impaired performance of tcp in wireless networks is given , then some solutions are proposed based on the transmission control principle . moreover the impactions of protocols in the lower layers including mac and routing protocol on tcp in ad hoc network are discussed in detail , and the interaction between tcp and mac layer protocols , the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first investigated . in this environment an integrated wireless tcp , called iwtcp , is presented to solve the problem about higher bit error rates and disconnection , which emphasizes on the analysis and simulation , the results show that the scheme can greatly improve the performance of tcp , and the realization of iwtcp is given at last
文中主要针对分布式adhoc网络，由于其独特的网络结构，所以我们在分析tcp基本原理的基础上，讨论了传统tcp在无线环境中吞吐量较低、性能恶化的原因，并阐述了无线环境对拥塞控制机制提出的要求，同时就adhoc网络中低层网络协议( mac层和网络层协议)对tcp的影响进行了详细的分析，强调tcp和mac层机制间的相互作用、路由协议中造成adhoc网络中tcp性能降低的原因，并针对现有无线tcp方案不能有效应用于有线无线网络的问题，提出了应用在adhoc网络和internet网络互联环境下的一种综合性tcp解决方案? ? iwtcp ，重点对该方案的性能进行仿真，从理论上分析了性能提高的主要原因，并证明此机制可在很大程度上提高adhoc网络中tcp的性能，最后给出了iwtcp具体软件实现方案。 - Supposing chaotic ds - spread spectrum signal bandwidth is equal to the fh slot spacing , the bit error rate formula is derived , and its performance is evaluated and simulated assuming the worst case of jamming strategy . the results show that , in some cases , the addition of chaotic ds spreading to fh system , without increasing total system bandwidth , can improve significantly the system ' s resistance to partial band multitone jamming
对最恶劣条件下系统的抗干扰性能进行了仿真研究，结果表明，在某些情况下，在慢跳频系统中，加入混饨直扩成分，即使不增加系统带宽也能有效地改善系统对抗部分频带多频干扰的能力。 - Comparing with si ( sin ( x ) / x ) interpolator , cubic interpolator with low pass filter , and winner interpolator in 16qam ofdm system both in mean square error and bit error rate without encoding , the results of the method proposed by this thesis show that the performance is better than si interpolator and cubic interpolator with low pass filter , and close to the winner interpolator but the complexity is much lower than the latter
在16qamofdm系统中，将其与带低通滤波器的si ( sin ( x ) / x )插值法、 cubic插值法和winner插值法进行了信道估计的均方误差和无编码的误比特率的仿真结果进行了比较。结果表明，本方法的估计性能优于si和cubic插值法，接近优化的winner插值法，但其计算复杂度与winner插值法相比却大大降低。 - Finally , the technique of vibration suppression is discussed . the passive isolation that is simple is adopted for high frequency part and the effort of high frequency suppression is obvious . the bandwidth adaptive that doesn ’ t need new plants is adopted for low frequency part and simulation results indicate that the scheme is valid for the suppression of bit error rate increasing produced by satellite platform vibration
最后对振动的抑制方法进行了研究,对高频振动采用被动隔离方式,该方法操作简单,对高频振动抑制效果显著;对低频振动采用了自适应带宽抑制方式,该方法无需添加新器件,对抑制低频振动带来的误码率增加作用明显,并进行了仿真验证。 - It's difficult to find bit error rate in a sentence. 用bit error rate造句挺难的
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