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,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。
During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .
最后,经过七天的竞价,诺沃辛卖出了四件零件,包括以500美元的售价卖出一个雷达调节器和以32美元卖出一个高频无线电电路板。
High frequency switching power supply made from it can not only simplify the circuit, but also can improve the EMC characteristics and reduce the cost.
采用它制作高频开关电源,不仅简化了电路,同时可以改善电源的电磁兼容性能,且降低了制作成本。
A modulated high-frequency signal is distorted by the thermal behaviour through complex intermodulation phenomena, although the temperature response of the circuit is slow.
虽然电路对温度响应性很低,调制的高频率信号也会由于热行为产生的复杂的互相调制现象而发生失真。
The capacitor coupling circuits are applied in the high frequency circuit. It concern the coupling coefficient that the resonance property and frequency property.
在高频电路中,有时用到电容耦合回路,其调谐特性和频率特性与耦合系数直接相关。
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。
This article introduces concrete procedure and the experience in high frequency electronic circuit practice teaching, summarizes the teaching experience.
本文介绍了高频电子线路实践教学中的具体做法和体会,总结了教学经验。
The high frequency electronic circuit is an important basic course in the communication and electronic speciality, the practice teaching is an important aspect.
高频电子线路是通信和电子专业的重要专业基础课,实践教学是其中的一个重要方面。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机,电路较简单,频率稳定度高,发射的是间断的28MHZ等幅载波。
The pure quartz shake circuit with a high stable performance to the frequency.
全部采用石英振荡电路,具有极高的频率稳定性能。
The model considers the dynamics of converter switch circuit and can be applied in the analysis for high frequency dynamic characteristics.
该模型考虑了换流器开关电路的动态特性,适用于高频动态特性分析。
For high frequency, or low amplitude measurement, probe ground shall be connected to appropriate points in the circuit under test.
对于高频或低幅值测量﹐探头的地应接到测试电路中的适当位置。
By imitating of the design characters of the high frequency circuit, the origin and the classification of the noise interferences of the low field NMR circuit system are analyzed.
此外本文参照高频电路的设计特点,分析了低场磁共振信号放大电路的噪声干扰来源,给出了一些减少噪声干扰的具体措施。
The main circuit is made up of input rectifier & filter circuit, first inverter circuit, high-frequency transformer, second inverter circuit, rectifier & filter circuit and output reactor.
主电路系统由输入整流滤波电路、前级逆变电路、高频变压器、整流滤波电路、后级逆变电路和输出电抗器组成。
Widely used in electronic ballast and other and other high voltage, high frequency circuit.
广泛用于节能灯,电子镇流器以及其它高频、高压电路。
This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.
本文对窄脉冲调制的高频大功率源进行理论分析和电路设计。
Industrial high performance foams fine celled polyurethane foams cellular silicone foams liquid silicone rubber high frequency circuit materials flexible circuit materials.
工业用高性能泡绵、微细孔聚氨脂泡沫材料、多孔硅泡沫材料、液体硅橡胶、高频印刷线路板材料、柔性印刷线路板材料。
Then some ways and means raising the stability of the high frequency circuit are provided to prevent and obviate the interferences.
指出了提高高频电路稳定性的途径和方法,用于预防和排除干扰。
Too high an open circuit voltage reduces the frequency of short circuiting.
一太高的开的回路电压降低短路的频率。
A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
阿电容式接近开关工程高的振荡电路,产生的积极传感器表面磁场的电磁通过一个电容手段的频率。
Because the calculation method is accomplished by MATLAB Tool, it is in favor of realizing design and simulation of high-frequency chain switch power supply circuit.
由于该计算方法是在MATLAB环境下进行,有利于进一步实现高频链开关电源电路的设计和仿真。
Suitable high frequency magnetic conductive inductor was made through analyzing the high frequency vibrating circuit of electron tube and doing an experiment of magnetic conductive inductor.
通过对电子管高频振荡线路的分析和对导磁体感应器的试验,制作了合适的高频导磁体感应器。
Capacihve moisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge circuit, dispart frequency instrument and metal shield box.
电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。
The associated key technology of electron apparatus's front analog input circuit is deeply researched, including high frequency circuit theoretic and high speed amplifier.
本文还对仪器前端模拟输入通道所涉及的一些关键技术进行了深入研究,研究内容主要包括高频电路设计理论和高速放大器技术。
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the high frequency circuit of motor through the transmission theory.
针对上述问题,本文首先通过传输线理论建立了机车用电缆的分布参数模型,以及变频调速牵引电机的高频等效电路。
A system of high frequency electronic circuit was used in the teaching and experiment concerning the high frequency emission.
一种高频电子线路的实验系统,用于高频发射的教学与实验。
This circuit has been applied in development of high voltage frequency converter successfully.
该电路已经在高压变频器的开发中得到应用。
The design of a novel high frequency fluorescent lamp IC, on which low voltage control circuit and high voltage power device encapsulated in one chip, is introduced.
本文介绍了一种高频荧光灯镇流器芯片的设计,在芯片的实现上充分体现了低压控制电路与高压功率器件在单一芯片上的兼容性。
The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail, besides temperature rise and power loss are discussed.
依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤,并讨论变压器损耗和温升问题。
The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail, besides temperature rise and power loss are discussed.
依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤,并讨论变压器损耗和温升问题。
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