衰落

基本解释 (translations)

comedown  ·  decadence  ·  decline  ·  declined  ·  downcome  ·  dwindle  ·  eclipse  ·  slump  ·  wane  ·  waned  ·  declines  ·  dwindled  ·  dwindles  ·  dwindling  ·  eclipsed  ·  eclipses  ·  slumped  ·  slumps  ·  wanes  ·  comedowns  ·  downfalls

词组短语

ill turn · go to pot · go downhill · be on the wane

与衰落相关的网络例句 [注：此内容来源于网络，仅供参考]

The decline of literature indicates the comedown of a nation .

文学的衰落表明一个民族的衰落。这两者走下坡路的时间是齐头并进的。

The channel property of frequency selective fading and Doppler frequency shift are the biggest challenge to the broadband mobile communication service.

在信道的衰落特性中，对宽带无线移动业务影响最大的是多径衰落和多普勒频移。

It begins with the critique of positivism, and analyzes the reason of collapse of the positivism, which bring about the decline of experientialism.

从对实证主义的批判的角度展开，分析实证主义崩溃的原因，以致逻辑实证主义最终走向衰落，从而导致了经验主义的衰落。

It contains: a continuous guide frequency generating module to generate DPCCH non-guide frequency emission estimation value according to input DPCCH de-spread signal and guide frequency emission signal, and combine the estimation value with the DPCCH guide frequency emission signal to generate continuous guide frequency; an average fading factor generating module to generate average fading factor of each DPCCH code according to the input continuous guide frequency and DPCCH de-spread signal; a demodulation signal generating module to generate DPCCH and DPDCH demodulation signals according to the input average fading factors and DPDCH and DPCCH de-expanding signals at the corresponding time.

这种码分多址通信系统的信号解调装置包含：连续导频产生模块，用于根据输入的DPCCH解扩信号以及导频发射信号，产生DPCCH非导频段发射估计值，并将所述DPCCH非导频段发射估计值与所述DPCCH导频发射信号合并，产生连续导频；平均衰落因子产生模块，用于通过输入的所述连续导频以及DPCCH解扩信号，产生DPCCH各个码元的平均衰落因子；解调信号产生模块，用于通过输入的所述DPCCH各个码元的平均衰落因子，以及对应时刻的DPDCH解扩信号和DPCCH解扩信号，产生DPCCH和DPDCH解调信号。

But for Irkutsk to the Great Wall Station circuit,there is little relationship between the fading depth and frequency.It seems that the relationship between fading depth and frequency is controlled by the factors such as location,distance etc.

但依尔库茨克－南极长城站电路的衰落深度与频率、时间无关，说明衰落深度与频率、时间的关系还要受距离、位置等因素的影响。

Studies of the working class anywhere in the world, once a staple of history and sociology, have declined along with labour movements as a political force; in recent years, perhaps only in France has writing of real distinction appeared.

世界各地的工人阶级研究都曾经是历史学和社会学的最主要内容，如今随着劳工运动作为政治力量的衰落而陷入衰落。在最近一些年，或许只有在法国才有真正突出的著作出现。

Firstly, the Signal Noise Ratio characteristic of matched filter despread symbol and the distribution of coherent phase estimation error are derived. Secondly, the exact integration formula of BER for fading channel is presented, moreover, by using the Maclaurin series expansion of MPSK conditional Symbol Error Rate, the simplified BER approximations for BPSK and QPSK are derived over AWGN, Nakagami-m fading and Rayleigh fading channel.

首先推导了匹配滤波解扩符号的信噪比特性和相干相位估计误差的分布；然后给出了衰落信道中误比特率的精确积分式，并利用MPSK条件误符号率的麦克劳林级数形式，推导了AWGN，Nakagami-m衰落和瑞利衰落信道中BPSK，QPSK误比特率的简化逼近式。

So, it needs to research the modeling and simulation of MIMO channels. The parametrical models of MIMO fading channels are needed to analyze the effect of different array topological structures and different channel parameters on the performance of the communication system, and verify the performance of signal processing algorithm.

故需要对无线MIMO衰落信道的建模与仿真技术进行研究，需要建立参数化的便于描述的无线衰落信道模型，以便于分析不同天线拓扑结构与无线衰落信道传播参数对系统性能的影响，便于信号处理算法的设计与性能验证。

The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.

为了研究过极区的短波长电路的衰落特性，在南极长城站收测莫斯科、依尔库茨克的短波授时台信号，并给出各频率对应的衰落深度、衰落率、衰落平均持续时间等参数的统计特征和衰落幅度分布曲线。

With the description of the measurement error as Gaussian random variable,the error of real-time measurement of slow fading signal with the RAKE receiver is analyzed.

本文研究了宽带衰落信道中慢衰落信号的实时测量，通过将测量误差描述为高斯分布的随机变量，分析了利用RAKE接收机实时测量慢衰落信号的误差。

与衰落相关的网络解释 [注：此内容来源于网络，仅供参考]

be at a low ebb：在衰落; 处于低潮

I'm easy我随便 | 6 be at a low ebb在衰落; 处于低潮 | 7 cutting edge 前沿, 尖端的

be at its lowest ebb：山穷水尽, 衰落到极点

be at it hammer and tongs | 猛烈地袭击 | be at its lowest ebb | 山穷水尽, 衰落到极点 | be at law | 在诉讼中

be at the lowest ebb：山穷水尽, 衰落到极点

be at the front | 在前线 | be at the lowest ebb | 山穷水尽, 衰落到极点 | be at the pains of | 费尽力气, 煞费苦心, 尽力设法

come down in the world：破败,衰落

例如:Such girls as he knew were teachers. | . come down in the world .破败,衰落 | 例如:His was once a millionaire, but now has come down in the world.

That family has certainly come down in the world：这个家族确实衰落了

The plan was doomed from the start. 那计划从一开始就注定要... | That family has certainly come down in the world. 这个家族确实衰落了. | This is a draft on an American bank. 这是一张向一家美国银行提款的...

comedown：衰落

comedones 黑头粉刺 | comedown 衰落 | comedy 喜剧

Decadence：堕落,衰落

devolve 移交,委任 | decadence 堕落,衰落 | decapitate 斩首

decline stage：衰落阶段

decline industry衰落产业 | decline stage衰落阶段 | decline-balance method 余额递减折旧法

fading：衰落

...]]于[[1908年]]提出的,他利用多天线来抑制[[信道衰落]](fading). 根据收发两端天线数量,相对于普通的'''单输入单输 MIMO 此科技与[[平坦衰落]]通道(flat fading channels)兼用时最佳,

wane：圆木锯成板的边缘斜曲变小衰落月亏

wanderingsequence 跳焊法 | wane 圆木锯成板的边缘斜曲;变小;衰落;月亏 | wane 圆木锯成板的边缘斜曲变小衰落月亏