FM的例句大全

The content of photosynthetic pigments, PS II photochemical efficiency ( Fv/ Fm) and photosynthetic O2 evolution maintained higher value in flag leaves of treated plants than that of the control.

叶片光合功能衰老延缓，即叶片PSⅡ光化学效率（Fv/Fm）和光合放氧在衰老后期保持在较高水平，光合色素含量快速降解出现较迟。

Twenty eight cases ( 50 eyes) of chronic open-angle glaucoma and 21 cases ( 27 eyes) of optic neuritis were investigated with FM 100-hue test and panel D-15 test.

本文用FM100-hue试验和Panel D-15试验检查了28例（50眼）慢性开角性青光眼病人和21例（27眼）视神经炎病人。

Through analyzing the characteristic of spectrum of PCM/ FM signal, the basic theory of demodulation by spectrum was got.

分析了PCM/FM信号的谱特性，给出了利用PCM/FM信号的频谱进行解调的理论基础。

In the area of aerospace telemetry, Pulse Code Modulation/ Frequency Modulation ( PCM/ FM) system is one of the main plans in strategic weapons and rockets because of its high noise resistance, high flexibility.

在航天遥测领域中，PCM/FM传输体制抗噪声性能强、灵活性高，是国内外战略武器和火箭等的主要遥测手段。

Design and Implementation of PCM/ FM Telemetry IF Digitized Receiver

PCM/FM遥测中频数字化接收机设计与实现

This paper describes a method that measures FM deviation and nonlinear of S-band telemetry transmitter.

本文介绍一种用频谱仪测量S波段遥测发射机的调制频偏及调制非线性的方法。

FM Deviation and Nonlinear Measurement of S-Band Telemetry Transmitter

S波段遥测发射机调制频偏及非线性测量

The theoretical analysis and practice indicates that this FM telemetry transmitter has the smooth modulated characteristic in the wide frequency band. It meets practical requirements of transmitting equipment in the telemetry system for the high code rate.

理论分析和实践表明，准两点注入式微波锁相调频遥测发射机具有平坦的宽带调制特性，能满足高码速率再入遥测发射设备的实际要求。

The discus-sion of the effect on multiplex telephone communication by noise of FM satellite communication sys-tem and microwave relay communication system is also included.

专门讨论了调频制卫星通信和微波中继通信系统中的噪声对多路电话通信的影响。

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

The RF signal may be a FM telephone signal, a FM television signal or an impulse radar signal.

干扰信号可以是调频电话信号、调频电视信号或脉冲雷达信号。

In this paper, a conception for teletext transmission using Subsidiang Communi-cation Authorization ( SCA) channel of FM broadcasting is investigated.

文章提出了一种利用调频广播的SCA信道进行图文信息传输的基本构思。

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

FM-SCM fiber optic multichannel television transmission

FM-SCM光纤多路电视传输系统

Design of Gas Fire System FM-200 for Headquarter Building of Bank of China

中国银行总部大厦气体灭火系统设计

Analysis and Compensation of Nonlinear Modulation Factor of FM CW Ranging System

FM-CW测距系统调频非线性作用的分析和补偿

Chicken strips from the dinner menu served with waffles does not count as chicken and waffles. . . Eating FM rating: middle finger up.

鸡块是晚餐菜单里的华夫饼附带的，所以不能算作鸡肉和华夫饼…吃得FM给得评价是：竖起了中指。

Threshold extension FM demodulator using regenerative feedback limiter

再生限幅式调频门限扩展解调器

The emulational signals and the gravity tide signal are analyzed using the HHT method, which turns out that the method is suited for the analysis of AM-FM signal.

仿真实验和重力固体潮实例分析表明，该方法适用于调频调幅信号特征的提取。

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。