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- oscillator frequency noise 振荡器频率噪声
- Josephson junction mixer has much excellence, including its high sensitivity and harmonic, low local oscillator frequency and microwave power, low noise and wide frequency band. 摘要高温超导混频器具有灵敏度和谐波次数高、所需的本振和微波信号功率小、噪声低、工作频带宽等诸多优点。
- While hunting on the3) seabed they emitted a4) weird5) medium frequency noise. 在海底猎食时,们发出一种奇怪的中频率杂音。
- While hunting on the 3)seabed they emitted a 4)weird 5)medium frequency noise. 在海底猎食时,??欠3.;鲆恢制婀值闹衅德试右簟
- While hunting on the seabed they emitted a weird medium frequency noise. 在海底猎食时,它们发出一种奇怪的中频率杂音。
- The maximum oscillator frequency is determined by a resistor from HREF to ground. 最大的振动者频率被从 HREF 到地面的一个电阻决定。
- The microwave oscillator frequency is locked to the resonant frequency of loaded resonator by means of automatic frequency control (AFC). 微波振荡频率用自动频率控制 (AFC)的方法自动锁在有载腔的频率上 .
- As the VCC voltage is swept across its nominal operating range of 7.5 to 8.5 V, the oscillator frequency is swept across its corresponding range. 当VCC电压横跨它7.;5到8
- The criterions of high frequency noise,background noise and reduce coefficient were presented. 导出了原子光谱高频噪声判据,背景噪声、压缩系数关系判据;
- Use of high loss ferrite material for excellent high frequency noise absorption. 使用优质高衰减铁氧体磁芯提高高频噪音隔离.
- In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声,通常由于系统机械部件的速度有规律变化而引起。
- By using this method, the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious. 采用增大局部结构刚度的方法,对于降低水下结构的局部振动与低频噪声辐射效果显著。
- The device can measure the oscillator frequency when the resonance occurs, get the magnetic induction based on the Larmor precession formula, and display it by the Liquid Crystal Display (. 通过对共振点处边缘振荡器的振荡频率进行测量,由单片机根据拉莫进动公式计算出磁感应强度,送液晶显示器输出。
- In sound recording, a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 录音技术中的一种低频噪声,通常由于系统机械部件的速度有规律变化而引起。
- Helmholtz resonator has a good noise eliminating performance at low frequency.So it has been widely used on low frequency noise reduction. 摘要亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
- The large C1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn't amplified by the error amp. 这个大的电容C1从一个较低的转折频率开始滚降,所以高频噪音没有被误差放大器放大。
- Used in TV gathering focus, oscillation frequency and timer circuits. 适用于电视聚焦,振荡,定时回路。
- Select Installation and then Antenna Setting, and set respectively the local oscillator frequencies of the high-frequency tuner of 146, 138KU, 138C band and so on. 选择安装里的天线设定,分别设置146、138KU及138C波段等等的高频头本振频率。
- The FM system is used for changing the oscillating frequency of the magnetron. 调频机构用来改变磁控管的振荡频率。
- Then the supersonic ejector is used,the high frequency noise will take place when the pressure in store tanks decreases to a specific value,and the environment of . 但使用超音速引射器后,当球罐压力下降到某一值时会产生高频噪声,影响管束区操作环境。