modulations
英 [ˌmɒdjʊˈleɪʃənz]
美 [ˌmɑdʒəˈleɪʃənz]
网络 自然变化; 调制
双语例句
- 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。 - The government would definitely allocate funds to building larger instruments capable of picking up signal modulations.
政府一定会拨款建造更大的仪器，能够接受信号变调。 - 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。 - 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； - On the Relation between the Modulations of Spatial Structure and Industrial Structure; Three theoretics issues should be clarified: firstly, the historical character and future sight;
新一轮的空间结构重组需要澄清三大理论问题：一是空间结构的历史特征与未来景观； - 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。 - 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。 - This cellular stress response is designed to cope with a broad variety of temperature-dependent modulations of molecular structures, transport processes, chemical reactivities, and many more.
这种细胞的应急反应被设计成应对一系列的温度相关的分子结构调控、分子转运以及化学反应等等。 - Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.
当进行高速水下通信时，由于水下信道的频带有限，扩频和MFSK调制方式无法解决高速率信息传输和可利用信道频带窄的矛盾。 - 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