MHz的例句大全

The Design and Development of Multi-Channel FM Cordless Telephone in 900 MHz

900MHz频段多信道调频无绳电话

Multi-Channel Telephone and Television Optical Fiber Communication Equipment Using FM of 70 MHz Carrier Wave

70MHz调频光纤多路电话电视设备

100.450 MHz 5th Overtone Temperature Compensated Crystal Oscillator

100.450MHz五次泛音温度补偿晶体振荡器

100.450 MHz 5th overtone temperature compensated crystal oscillator is developed. The oscillator is made up of 450 kHz ceramic oscillator, 100 MHz 5th overtone crystal oscillator, mixer and crystal filter.

应用新的温度补偿方法研制了100.450MHz五次泛音温度补偿晶体振荡器，该振荡器由450kHz陶瓷振荡器，100MHz五次泛音晶体振荡器，混频器，晶体滤波器组成。

The experimental compensating result shows that using this method the frequency-temperature stability of 100 MHz 5th overtone temperature compensated crystal oscillator can achieve ≤± 2 × 10-6, in the temperature range 0~ 70 ℃.

初步补偿结果表明，利用本文提出的补偿方法进行补偿的100MHz五次泛音石英晶体振荡器在0～70℃温度范围内频率-温度稳定性≤±2×10-6。

A 100 MHz Programmable Time Mark Pulse Generator

100MHz程控时标脉冲产生器

A 100 MHz 8-channel programmable time mark pulse generator is described. The delay of the time marks relative to the reference time can be changed by means of software.

本文介绍一种100MHz8通道程控时标脉冲产生器，它利用软件方法来改变各路时标对时间基准的延迟，调节灵活方便。

The module has been tested, the test results present that its minimum input pulse-width is 2 ns, the maximum counting rate is 170 MHz and the timing precision is 100 ns.

电子学测试表明该插件能够响应最小脉宽为2ns的脉冲输入，最高计数率达到170MHz，定时精度为100ns。

The method is successfully used to SAW filter with center frequency of 914 MHz, bandwidth of 17 MHz.

并成功地用于914MHz，带宽17MHz滤波器的设计。

The filter is featured with center frequency of 65.28 MHz, code rate of 4.08 Mbit/ s ( with tap space of 0.245 μ s) and duration of 250.735 μ s. The ratio of self related peak value to maximum sidelobe is 26 dB.

匹配滤波器的中心频率为65.28MHz，编码速率为4.08Mbit／s（抽头间隔为0.245μs），持续时间为250.735μs，自相关峰值与最大旁瓣比为26dB。

Commercial FM Broadcasting stations transmit their signals in the frequency range of 88 megahertz ( MHz) to 108 MHz.

商业调频电台使用的频率，分布在88～108兆赫的波段内。

The dogs of experiment group undergoing simulative partial costectomy and costophrenic angle closure were continuously exposed to HIFU with 0.8 MHz waves, 120 mm focal distance, fixed-point exposure, and 220 W sound power for 90 seconds. The liver damage area were measured and observed pathologically.

以0.8MHz、焦距120mm、定点点打、声功率220W连续照射两组实验犬肝右叶90s，对肝毁损灶进行面积和体积测定及病理学检查。

The design and implementation of 2 Mb/ 2 MHz reference clock switching equipment

2Mb/2MHz参考时钟转换设备的系统设计与实现

Carbon-13 spin-lattice relaxation time ( T1) and nuclear Overhauser factor ( NOE) series of 1,2-polybutadiene samples with different microstructures in four different solvents were measured at 50.3 MHz.

本文测定了一系列具有不同微观结构的1,2-聚丁二烯样品在四种溶剂的50.3MHz~（13）C自旋-晶格弛豫时间（T1）和核Overhauser效应（NOE）值。

The test results showed that maximum master clock frequency up to 3 MHz and greater or equal 166 ns pulse width valid.

测试结果表明：该模数转换器的最高工作时钟频率可达3MHz；工作时钟的脉冲宽度只要不小于166ns就是有效的。

The square triple-pulses generator has an output voltage up to 250 kV, a pulsed current of 10 kA, pulse power of 2.5 GW, a repetition rate of 1 MHz, a pulse risetime of 40 ns, and a pulse flat top of 50 ns.

方波三脉冲源输出指标达到了电压250kV，脉冲电流10kA，峰值功率2.5GW，重复率1MHz，脉冲上升时间约40ns，脉冲平顶宽度50ns。

Measurement of these VCOs shows that the tuning linearity is better than 0.8% and the tuning slope ratio is less than 1.2 within 600 MHz.

实验结果为：在600MHz的频宽内，其线性度优于0.8%，电调斜率比小于1.2。

By comparing and analyzing the properties of kinds of magnetic cores, a strip wound toroidal core is adopted, which is made of a high-permeability alloy and can measure a pulsed beam with frequency range of 0.2 to 2 MHz.

通过对各种磁芯性能的分析和比较，束流变压器磁芯材料最终采用环形高磁导率超微晶合金，可测量束流脉冲的频率范围为0.2-2MHz。

It adopts the push-pull circuit of electron tube in the inductance coupling way. Its oscillating frequency is 20 50 MHz.

该离子源采用电子管推挽式电路、电感耦合方式，振荡频率为20～50MHz。

Methods: By means of the multi-functional microwave surgery treater ( GX-I) with FM 0-15W and 2 450 MHz, 70 cases of cervical carcinoma in the middle and advanced stages were treated by microwave coagulation, together with chemotherapy and radiotherapy.

方法：使用GX-型多功能微波手术治疗机，可调功率0～150W，频率为2450MHz。对70例中晚期宫颈癌患者进行微波固化治疗加化疗、放疗。