- 更多网络例句与噪声功率比相关的网络例句 [注：此内容来源于网络，仅供参考]
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In OFDM system, the information of channel state information is defined as Signal-to-Noise for position of carrier wave.
在OFDM系统中，信道状态信息定义为载波位置的信噪比，采用归一法计算平均噪声功率以获取信道状态信息。
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This paper puts forward to a new way of generating colored noise using a novel all-filter phase digital filter. Compared to traditional FIR filter, the colored noise generated by using this filter has fewer spectrum leak, higher stop band attenuation.
本文提出用全相位数字滤波器这种新型滤波器滤波白噪声产生有色噪声的方法，这种方法比用传统FIR滤波器产生的有色噪声频谱泄漏少，阻带衰减功率大等优点。
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The algorithm has overcome some problems of traditional algorithm such as more constraint conditions, depending prior knowledge, calculation complexity and noise susceptibility, and can be applied into the different restored image, and effectively overcomes the difficulties to determine noise-signal power ratio of Wiener filtering.
该算法利用微粒群算法的快速搜索能力和模拟退火算法良好的全局收敛性能寻找最佳复原图像，克服了传统的图像复原方法存在较多约束条件、依赖先验知识、计算求解复杂和对噪声十分敏感等不足，能应用于不同类型退化图像的复原，并能有效地解决经典维纳滤波算法噪信功率比难以确定的问题。
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Under the condition of varying , the ratio between noise levels in local sensors, this dissertation derives the analytic expression of performance of the centralized OS-CFAR detection for and local signal-to-noise ratio in nonhomogenous background.
本文在局部传感器背景噪声功率水平间的相对比例系数变化情况下，推导出了集中式 OS-CFAR 检测在且局部观测信噪比条件下在非均匀杂波背景中检测性能的解析表达式。
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At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.
一种DFT扩频的广义多载波系统的SINR估计方法，其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系，然后根据信道频率响应、信道噪声方差和均衡方法，设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数，再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差，再计算有效信干噪比，如此以实现对广义多载波传输系统的有效信干噪比的准确计算，该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。
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The relationship between output signal noise ratio and jamming power is given out.
详细分析干扰噪声图像的影响，并给出输出信噪比与干扰功率之间的关系，为实施对SAR的对抗提供理论依据。
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Under spraying humidification state, the parameters of JYPW-1 spraying axial fans for textile enterprises such as flow, total pressure, efficiency, shaft power and acoustic power level changing with water-air ratio were tested, and the performance parameter curve changing with water-air ratio was obtained. The approximate formula of its pneumatic performance in different water-air ratio condition were deduced which can be referenced for of selection and project application.
在喷雾加湿工况下，对纺织空调系统所用的JYPW-1型喷雾轴流通风机的流量、全压、全压效率、轴功率和比A声级噪声等性能参数随喷淋水气比的变化进行了测试，得到了喷雾风机性能参数随水气比变化的曲线，并整理出喷雾风机在不同水气比时，其气动性能的近似计算公式，可供喷雾风机选型和工程应用时参考。
- 更多网络解释与噪声功率比相关的网络解释 [注：此内容来源于网络，仅供参考]
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carrier-operated antinoise device：载波操作噪声消除器
carrier-isolating choke coil 载波隔离扼流圈 | carrier-operated antinoise device 载波操作噪声消除器 | carrier-to-interference power 载波-干扰功率比 C/I
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buzzer：蜂鳴片
16 条识别命令词时,识别率可达96%以上. HBR210 可在平稳噪声环境下使用,信噪比12dB 时,识别率大于90%. HBR210 不适合在非平稳的嘈杂噪声环境下(如建筑工地,车流频繁的街道)使用. 内建功率放大电路,驱动8./0.5W 喇叭或蜂鸣片(Buzzer)
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SLCCA:Significance-Linked Connected Component Analysis：连接重要性连通分支
PSNR:Power Signal-to-Noise Ratio,信号--噪声功率比 | SLCCA:Significance-Linked Connected Component Analysis,连接重要性连通分支 | SPECK:the Set Partition Embedded bloCK coder,嵌入式块集合分割编码器
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multiplier：乘法器
PLL 乘法器(multiplier)既放大了时钟抖动,也引入其自身的抖动,主要是来自PLL 压控振荡器 (Voltage Controlled Oscillator,VCO)的RJ 抖动. 频率增加n倍的效果是,是把相位噪声功率对载子比(phase noise power to carrier ratio)放大n2倍,
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NEP：噪声等效功率
即探测器能探测到的最小入射光功率受到限制. 定义,探测器输出的信号功率与噪声功率之比为1时,入射到探测器上的信号功率就称为噪声等效功率(NEP)或最小可探测功率. NEP越小,探?测性能越好.
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NEPH Nephelometry：比浊测定法
NEP Noise Equivalent Power 噪声等效功率 | NEPH Nephelometry 比浊测定法 | NEQ Number of Equivalent Quanta 等效量子数
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NPPL Network Picture Processing Language：网络图像处理语言
NPPF Non-Polarization Preserving Fiber 非偏振保持光纤 | NPPL Network Picture Processing Language 网络图像处理语言 | NPR Noise Power Ratio 噪声功率比
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spur：毛刺
信号杂波比 (SNR) 是输入信号的均方根值功率与均方根值噪声功率的比值 (排除谐波失真),其大小以分贝 (dB) 表示,方程式(3)是信噪比的定义:频域分析显示数据转换器的非线性误差会造成谐波失真,这些失真将以"毛刺"(spur) 形式出现在信号谐