modulations
英 [ˌmɒdjʊˈleɪʃənz]
美 [ˌmɑdʒəˈleɪʃənz]
网络 自然变化; 调制
双语例句
- Different shapes of intensity distribution can be gotten by changing the parameters of radius, location, transmittance of amplitude modulations and spatial position, and the coherence length.
通过对振幅调制半径、调制位置、透射率以及空间位置和相干长度参数的改变，可以获得不同形状的光强分布。 - Using different frequency domain equalization algorithms and modulations, the SC-FDMA system performance is analysised in this paper.
结合不同频域均衡和调制方式，仿真分析SC-FDMA系统性能。 - Effects of construction types and manual modulations of ventilation on environmental conditions of finishing pig houses
建筑型式及人工调控通风方式对育肥猪舍环境的影响隔舱式员工气压调节室 - The influences of BER using different modulation techniques in the weak and strong fluctuation regimes on Wireless Optical Communication systems are discussed. The results show that the subcarrier BPSK modulation is superior to the OOK and subcarrier DPSK modulations in Wireless Optical Communication systems applications.
讨论了弱、强湍流下不同调制技术对误码率的影响，结果表明：副载波BPSK调制在光通信系统应用中较OOK和副载波DPSK调制更具优势。 - In this thesis, channel codes and modulations are also compared.
本文还对无线光通信的调制及信道编码方式进行了研究比较。 - There are two power/ signal frequency division composite modulations: PWM/ FSK modulation and PWM/ PSK modulation.
功率信号频分复合调制有两种基本方法：PWM/FSK调制和PWM/PSK调制。 - Unlike other modulation classification algorithms, this one can identify analog and digital modulations at the same time.
不同于其他调制模式识别算法，该算法能同时识别模拟调制信号和数字调制信号。 - By combining intra-pulse phase and inter-pulse frequency modulations, PCSF enabled larger frequency step sizes than SF.
它将SF信号的矩形子脉冲替换为相位编码子脉冲串，通过脉内相位和脉间频率两次调制，获得了更大的频率步进量。 - Computer simulations demonstrate that good performance of both modulations can be obtained at certain SNR within the given PSD constraint.
系统仿真表明，在满足给定发射信号功率谱衰减和一定的信噪比条件下，模拟AM广播和EBPSK数据传输都能获得良好的性能。 - The monotone in which he spoke was strangely soothing. It was the voice of a born orator, rich in possible modulations.
他说话的调子毫无抑扬顿挫，却有一种奇妙的镇静作用。这是一个天生演说家的富于抑扬顿挫的声音。