在某相位编码毫米波雷达系统中,要求很高的目标速度测量精度,因而目标多普勒频率测量电路的设计比较重要。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中,由于对目标速度测量精度的要求很高,因此目标多普勒频率测量电路的设计也具有比较重要的地位。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
虽然本书的重点是直流测量,但是要分析噪声和仪器响应速度的问题,就需要简单地讨论一下电子电路中时间和频率的关系。
Although this handbook stresses DC measurements, an analysis of noise and instrument response speed requires a brief discussion of time and frequency relationships in electronic circuits.
本文在对相位噪声的概念、产生及其相关测量方法研究的基础上,设计出一种低噪声频率变换电路。
This paper presents a new type of low noise frequency conversion circuit based on the research of phase noise conception, generation as well as relativity measurement method.
介绍了接触电位差法固定探头式无损探伤装置的结构,工作原理,测量电路及其频率特性。
The structure, working principle, measuring circuit and frequency characteristics of contact potential difference nondestructive testing equipment using fixed probe am intro - duced.
本文介绍了飞利浦湿敏电容传感器进行湿度控制的方法,包括它的基本原理、测量电路、工作频率、响应时间和滞后现象。
This article introduces the method of humidity control used with Philips humidity-sensitive capacitance sensor, and the basic principle, measuring circle, work frequency, response time etc.
本文探求在较大的被测频率信号范围内获得相同的测量精度与响应速度的测量方法及电路。
The circuit and method for obtaining equal measuring accuracy and response speed in a wider frequency signal range are discussed in this paper.
为便于实现传感器与测量电路的集成,基于开关电容电路的原理设计出了频率输出的CMOS电容信号处理电路。
To integrate the sensor with its measurement circuit, the CMOS capacitance signal processing circuit is designed based on the theory of capacitor switch circuit.
这些测量包括半导体衬底上的各位置处的温度和IR降、以及集成电路的频率响应。
These measurements include temperature and ir drop at locations on the semiconductor substrate, along with the frequency response of integrated circuit.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
设计了具有较宽频率响应范围的紧凑型测试电路,结合高速数字示波器TDS75 4c对油中的局部放电脉冲波形进行了测量。
A compact circuit with enough wide frequency response is designed and the high speed digital oscilloscope TDS754C is used to measure pulse current of Partial Discharge (PD).
将单链DNA作为探针点在电极表面, 测量晶振频率的改变量,并设计出后续处理电路。
With the ssDNA as probe on the electrode surface, we can detect the frequency change and show it on the computer display.
进行电路设计,使DMM能测量出较高频率函数信号的有效值和频率。
By circuit design DMM can measure function signal's RMS and frequency.
基于ASIC的方法与其他频率测量方法相比,MPU外围电路简单,能自适应输入信号频率的变化。
Compared with other frequency measurements, the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency.
本文介绍了H P 8559A频谱分析仪频率测量显示电路的基本工作原理,同时阐述了怎样使用单片机对该型号频谱仪实施改造以改善其频率测量准确度。
This article sum up the principle of frequency display in HP8559A spectrum analyzer. And introduce a design to improve frequency accuracy of measurement by using Single-chip-computer.
设计了在频率域电法勘探中发送机与接收机GPS时间同步电路,实现了多频激电仪接收机与发送机的精确时间同步进行高精度相位测量。
The frequency domain electric transmitter and receiver synchronization electrocircuit has been designed. It is concluded that the GPS time synchronization is feasible in this instrument.
该系统电路简洁,使用灵活,可以单独作为频率计使用,也可以嵌入到一些需要测量频率的系统中使用。
The circuit is succinct and the use is agility. The system can be used alone, also can be inserted in some application systems.
利用超高分辨率测频原理,以简单廉价的电路完成对频率信号的超高分辨率测量。
Furthermore, by using the principle of ultrahigh resolution frequency measurement, the ultrahigh resolution frequency measurement can be achieved with simple circuits.
利用超高分辨率测频原理,以简单廉价的电路完成对频率信号的超高分辨率测量。
Furthermore, by using the principle of ultrahigh resolution frequency measurement, the ultrahigh resolution frequency measurement can be achieved with simple circuits.
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