noise frequency meaning in Chinese
噪声频率
Examples
- The design tried to develop high performance frequency synthesizers especially fine resolution and low phase noise frequency synthesizers
本次设计是对高指标频率合成器特别是小步进低相噪频率合成器研制的一次尝试。 - As an example , the detection problem of noise frequency modulation jamming signal was analyzed , two accumulation detection methods , direct accumulation detection and binary accumulation deteceion , were proposed , and the detection probability of the two methods was calculated
摘要以噪声调频干扰为例，对干扰信号的检测问题进行了分析，提出直接积累检测和二进制积累的检测方法，并计算了两种方法的检测概率。 - Researchers do not yet understand the precise roots of highway noise but suspect that tread grooves funnel air , thereby acting like tiny pipe organs , or that they vibrate at noise frequencies when they strike or peel away from pavement
研究人员目前还不知道高速公路噪音的真正成因，不过他们猜测，可能是胎面的沟纹汇聚空气，就像是微小的风管一般，也可能是沟纹碰到或离开路面时，以噪音频率振动而发出了声音。 - In modern microwave and millimeter wave communication systems , the low phase noise frequency sources have the key effects in the systems ’ performance . especially in the national defence , the effects are more obvious . so in this paper , a method to realize the low phase noise x - band frequency source has been proposed , designed , produced and tested
在现代微波、毫米波通信系统中,低相噪频率源对系统性能起着非常关键的作用,特别是在军事国防上,这种关键的作用更加明显,为此在本论文中,就如何实现x波段频率源的低相噪性能,给出了一种设计方法并对其进行了实现。 - This paper introduces the principle of phase - locked loop and analyzes the performance characteristics of pll chip adf4106 which has wide bandwidth and low power consumption . and then introduces the design method of a kind of low phase noise frequency synthesizers which uses single chip processor to control the chip . the application supplies a good design method for high frequency synthesizer
介绍了锁相环路的工作原理,分析了低功耗宽带集成锁相环芯片adf4106的工作特性,并介绍了一种利用单片机控制该芯片的低相位噪声频率合成器的设计方法,讨论了环路滤波器的设计,为高频频率合成器的设计提供了很好的思路。