local oscillator
用于改变信号的频率。
常用释义
英式发音
美式发音
基本释义
- 本地振荡器：与混频器一起使用的电子振荡器，用于改变信号的频率。
例句
-
1·The polarization direction of signal is required to match with that of local oscillator.在相干光通信等方面，要求信号光与本地振荡光偏振方向相匹配。
-
2·In modern radar and communication system, phase noise of local oscillator (lo) becomes a vital factor of system performance.在现代雷达和通讯系统中，本振相位噪声越来越成为决定系统性能的关键因素。
-
3·Therefore it satisfies operating requirements for time-frequency system and high-stability local oscillator, and has good application prospects.因此比较好的满足了时频系统，特别是高稳定本振系统的使用要求，而且有着良好的应用前景。
-
4·Synthesizer is an important block in the receiver whose performance is directly related to the accuracy and purity of the local oscillator signals (lo).频率合成器是作为接收机中的重要模块，它的性能指标直接决定了本振信号(LO)的精度和纯度。
-
5·This paper discusses the influence of mixer on the phase lock-loop (PLL) circuit of a local oscillator. In mixer, local signal is produced by the PLL circuit.本文讨论了采用锁相环路作为本振信号的混频器对本振锁相环路的影响。
-
6·According to this method all the DDS output frequencies have no phase truncation noise, so the phase noise of the tuner local oscillator is greatly (improved.)应用该方法可使其在所用频率点上无相位截断噪声，从而使调谐器本振的相位噪声大大改善。
-
7·Bases on the IIFM technique, the principle and method to measure the local oscillator tracking accuracy of frequency - agile radar is put forward in this paper.在介绍瞬时中频测试技术的基础上，介绍利用瞬时中频测试技术对捷变频雷达本振跟踪精度进行测试的原理和方法。
-
8·This oscillator has been successfully used in solid state FM-CW radar system, microwave scatterometer, FM-jamming stations and frequency-agile local oscillator.该固态源已成功地应用于FM - CW雷达、微波散射计、噪声调频干扰信号源、捷变本振源等方面。
-
9·Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.频率合成器是射频收发机中非常重要的模块，是用于频率转换和频道选择的本地振荡源。
-
10·To gain lower phase noise of local oscillator, the design work of circuit is carried out based on the analyse of the key factors that affect the phase noise level.为获得更低的相位噪声，在对影响本振相噪关键因素分析的基础上进行电路的设计。