窄頻帶 的英文怎麼說
中文拼音 [zhǎibīndài]
窄頻帶
英文
narrow band-
Another attribute is the flux or radiant power that can be delivered in that narrow frequency band.
另一個性質就是在這樣窄的頻帶內可以給出很高的光通量或輻射功率。Such products, whose front end are equipped with swing boom device ( as picture shows ), and side - dumping bucket, can work closely to the house corner or edge, very suitable for those operations in narrow working sites, without frequent driving the machines
這種產品，在機體前部裝備了動臂側移裝置（如右圖） ，配合反轉鏟斗，機器可以近距離的靠近墻角屋邊，非常適合在狹小的空間作業，工作中無須頻繁移動機身，狹窄地帶的作業可以應對自如，從而真正實現了類似墻角等狹窄地帶的直接挖掘工作。From some characteristics observed, such as the short lift time, narrow frequency band, fast frequency drift, quasi - periodic pulsation, spike event and complex magnetic structure, it is considered that the radiation mechanism of these events may be principally due to the electromagnetic waves magnified directly by the instable electronic cyclotron
從它們的觀測特徵：短壽命，窄頻帶，頻率快速漂移，及尖峰事件與磁結構復雜的大黑子活動區密切相關等，認為這些事件的輻射機制可能是電子迴旋脈澤不穩定直接放大電磁波所致。Miniopterus schreibersii parvipes emits calls with short duration, long interpulse intervocal, narrow fm sweeping and low duty cycle
24khz ，調頻帶較窄，聲脈沖時間較短，聲脈沖間隔時間很長，能率環較低。Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics. second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency. time domain characteristics of signals in different individuals even the same individual were different
頻域特徵分析知，褐飛虱雌蟲求偶嗚聲信號的頻域特性較穩定，個體內比個體間差異小；雄蟲求偶嗚聲信號s 、 e片段頻譜范圍較寬，但主振頻率比較接近，差異不顯著； m片段頻帶較窄，主振頻率mvf略小於s 、 e片段，變異較小； m片段脈沖重復頻率prf為幻Rectum prolapse ( prolapse of the anus ) anus of aching be confined to is local, companion has ulcer, nightly and quiet when more painful, although pathological changes develops and aggravate, can appear meaning is frequent, in urgent hind heavy, defecate incontinent, excrement and urine is fine narrow contain the symptom such as purulent blood secretion
直腸脫垂（脫肛）疼痛限於肛門局部，伴有潰瘍，夜間安靜時更痛，雖病變發展而加劇，可出現便意頻繁、里急后重、大便失禁、糞便細窄並帶有膿血分泌物等癥狀。Since commercial pll ic came out, phase - locked - loop frequency synthesis has become widely accepted. but when narrow frequency - step is required, the loop bandwidth has to decrease while cannot meet the demand of frequency - hopping speed
數字鎖相集成器件出現以來，鎖相式頻率合成器得到迅速發展，但是當需要窄頻率步進時，環路帶寬需要降低，致使鎖定時間變長，不能滿足快速跳頻的要求。Acoustics. audiometric test methods. part 2 : sound field audiometry with pure tone and narrow - band test signals
聲學.聽力測定試驗方法.第2部分:純音和窄頻帶信號聲場測聽術Usually the frequency bandwidth of microstrip patch antenna is relatively narrow. however, it can be effectively broadened with the employment of the micro - electro - mechanism systems technique to fabricate microstrip antenna with multilayer dielectric substrates and patch
通常微帶貼片天線的頻帶較窄，而利用微電子機械繫統（ mems ）技術製作具有多層介質和貼片結構的微帶天線，可以有效地擴展天線的帶寬。Further radio monitoring, oscillation and narrow band are offered
另外，公司也提供關于無線電監控、振動和窄頻帶方面的服務。Acoustics. reference zero for the calibration of audiometric equipment. part 4 : reference levels for narrow - band masking noise
聲學.聽力測定儀器的校準用基準0 .第4部分:窄頻帶遮蔽噪聲的基準級Acoustics - audiometric test methods - part 2 : sound field audiometry with pure tone and narrow - band test signals ; identical with iso 8253 - 2 : 1992
聲學.聽力試驗方法.第2部分:純音和窄頻帶信號聲場測All partners, also for measuring tehcnique for radio, base systems and development tools and services and / or machinery software reach you by telephone
另外，公司也提供關于無線電監控、振動和窄頻帶方面的服務。Radio equipment and systems. narrow - band direct printing telegraph equipment for receiving meteorological or navigational information navtex. technical characteristics and methods of measurement
無線電設備和系統.接收氣象和航海信息用窄頻帶直接列印電信設備.技術特性和測量方法Narrowband watermarking information is spread into wideband pseudo - random code before being embedded by modifying the scale of the distance between vertexes in two - dimensional engineering graphics
該方案先將待嵌入的窄頻帶的浮水印信號擴頻為寬頻帶的偽隨機序列，然後再以偽隨機序列為依據對二維工程圖中直線實體的長度作相應的修改。The radar based on this system can go beyond the limit of continuous silent frequency band. if there are some extent non - continuous silent frequency band in certain range, and its sum can fulfill the demand of the signal bandwidth, the radar will be work well
這種體制的雷達可以突破連續寂靜頻帶的限制，只要在一定范圍內存在一定數量的非連續寂靜窄頻帶，其總和滿足信號帶寬要求，就可以使雷達正常工作。To reproduce the narrow - band response, based on the thought of kanamori etc., the damping ratio and natural period are modified. through this adjustment, the narrow - band response can be reproduced, but for some natural periods the adjustive damping ratio has become negative. the negative damping is strange and can not be explained by the equation of motion for sdof system
為了生成窄頻帶反應，本文根據kanamori等人的方法調整了計算時的阻尼比及自振周期，調整后的單邊差分方法能在共振區域生成很好的窄頻帶反應，但是對一些周期點的阻尼比調整成為了負值，這從系統的動力平衡方程是難以解釋的。The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power, so it need considerable transmitted and control power, it also has the property of high - level math model, and narrow frequency width in closed - loop, and bad stability. this thesis is based on the hpvs in the “ tiema project ”
被控對象（液壓振動臺）具有負載壓力和額定功率相當大的特點，因此要求傳輸和控制的功率要相當可觀;而且它還具有數學模型階數高、閉環頻帶寬度窄、穩定性差等特點。Secondly, because the band of the traditional microstrip antenna is very narrow. and the isolation can ’ t meet the requirement when the coaxial - line feeding is used to realize the dual polarization. the following work lays heavy stress on analysis of the way of widening the bandwidth and developing the isolation of the antenna
傳統的微帶天線帶寬較窄，採用普通同軸線饋電實現雙極化的時候，隔離度不能夠滿足天線的要求，所以在接下來工作中，重點分析了微帶天線頻帶展寬和隔離度改善的方法。An adapting modulation scheme which behave spectral energy centralized, frequency spectrum narrow become very important
數據傳輸中，需要頻譜能量集中，頻帶較窄的調制方式，以及解決干擾問題。分享友人