查询词典 frequency discriminator

In the integrated circuit radio, television receivers, the latter two most common frequency discriminator circuit.

在集成电路的收音机、电视接收机中，后两种鉴频电路最为常见。

The center frequency of emission laser signal was further chosen and the frequency discriminator was designed.

以大气和海水典型信道为例，论证了该方法在基于边缘探测技术的激光雷达中的实际应用。

In the discrete components, television receivers, almost all of the proportional frequency discriminator.

在分立元件电视接收机中，几乎都采用比例鉴频器。

A Fabry-Perot etalon with high spectral resolution is used as the frequency discriminator in the direct detection wind lidar.

在直接探测测风激光雷达中，多普勒频移由高分辨率的Fabry-Perot标准具检测得到。

A triple Fabry-Perot etalon is employed as a frequency discriminator whose parameters are optimized.

描述了该雷达了系统结构。系统采用三通道标准具为鉴频器，优化了其参数。

Tunning a reflex klystron oscillator tracking the resonant frequency of the cavity to be measured automatically by means of a discriminator. The oscillation frequency of this system$...

然后利用一高精度外差式频率计来测定该振荡系统的振荡频率和经摄动后的频率偏移计算和实验表明，用本文所述方法，当被测腔固有品质数为500～1000时，在S 波段可以分辨的最小频偏相对值达10－5～5×10－6跟踪误差约为2％。

By simulating the absorption spectrum of molecule iodine absorption filter ranges from 470nm~550nm, this paper selects the absorption spectrum of molecule iodine absorption filter that satisfies the requirement of frequency discriminator in detecting system and ascertains the center emission frequency of laser emitter.

以基于边缘探测技术的激光雷达监测大气信道和海洋水下信道环境参数为例，通过仿真出碘分子吸收滤波器在470nm～550nm区间范围内的吸收光谱谱线，选择出合适的吸收谱线并确定发射激光信号的中心频率，并在此基础上，给出了满足探测要求的激光发射信号单稳频指标，为实际探测系统的设计奠定基础。

At the same time , Recuring to the programed phase discriminator and frequency divider , the value of work frequency was scaled with digit accurately .

同时，借助于可编程鉴相器和分频器电路将信号频率点数字化、精确化。

This article introduces the application design technology of wireless launcher with digital phase-lock link in automobile MP3,narrates the design idea of numeral phase-lock link,mainly introduces the PLL frequency synthesis electric circuit,the preposed frequency divider,the discriminator emphatically/discriminator,ring circuit filter design method and the steady frequency technology .

介绍了数字锁相环在汽车MP3无线发射器应用设计技术，讲述数字锁相环的设计思路，着重介绍了PLL频率合成电路、前置分频器、鉴频器/鉴相器、环路滤波器设计方法、稳频技术。

The numerical simulation shows that Doppler lidar with the optical frequency discriminators has high sensitivity and accuracy for wind profile measurement in both troposphere and stratosphere.

标 签 激光技术多普勒激光雷达光学鉴频器风速法布里-珀罗菲索 laser technique Doppler lidar optical frequency discriminator wind velocity Fabry-Perot Fizeau

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷