modulations
英 [ˌmɒdjʊˈleɪʃənz]
美 [ˌmɑdʒəˈleɪʃənz]
网络 自然变化; 调制
双语例句
- 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。 - As usual, there are amplitude modulations and phase fluctuations in real high-power lasers.
实际的高功率激光通常都有振幅调制和相位畸变。 - 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。 - This controller integrates pulse width modulation ( PWM) and pulse density modulation ( PDM) together, and can easily change between the two modulations.
该设计集成了脉冲宽度调制（PWM）和脉冲密度调制（PDM）两种调制方式，并可以在两者间切换。 - Exact close-form expressions of the outage probability and error rate for the M-ary QAM and PSK modulations and the sum-rate capacity expression for arbitrary numbers of transmit and receive antennas are derived. The analytical results are verified through simulation results.
推导了采用多进制QAM和PSK调制的中断概率和误码率的表达式和渐近形式，以及针对任意数目发射和接收天线的总速率容量表达式，并通过仿真验证了理论分析的正确性。 - 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。 - The redundant modulations of interference self-cancellation and time-domain windowing cause reductions in efficiency.
但是干扰自消除和时域加窗方法需要重复传送相同的信息，效率有所下降； - Research of modern satellite communication modulations techniques and satellite TCP
现代卫星通信中的调制技术和卫星TCP的研究 - Turbulence modulations caused by change of particle size and particle mass loading ratio
颗粒粒径和气载比改变时湍流调制的变化 - An Ultra-wideband Wireless Communication System Employing Cyclic Prefix and Pulse Modulations
采用脉冲调制和循环前缀的超宽带无线通信系统