孫子曾經說過，以虞待不虞者勝。這正是偽裝的精髓所在。偽裝，與顏色，形狀或忍者之類奇奇怪怪的東西無關。它的實際效果取決于知識，耐心和隨時隨地因地制宜。你要記住，你的一切努力都是為了實現一個目標——那就是成為隱蔽環境的一部分。在這篇文章中，我將給大家快速而簡要的講解一下偽裝的要點和竅門。我曾經在以色列空降特種部隊服役，并且在其中的一個特種偵察大隊度過了一段很美好的時光。在團隊中，我的兼任角色是以色列國防軍中所謂“構建者”——說白了就是一個能在任何環境下隱藏任何東西的人，無論是隱藏一個人還是整個團隊或車輛。

　　Sun Tzu once said, 'The one who waits for Yu without Yu wins.'. This is the essence of disguise. Disguise has nothing to do with strange things such as color, shape, or ninjas. Its actual effectiveness depends on knowledge, patience, and adapting to local conditions anytime, anywhere. You must remember that all your efforts are aimed at achieving one goal - to become a part of the hidden environment. In this article, I will give you a quick and brief explanation of the key points and tips of disguise. I once served in the Israeli Airborne Special Forces and spent a wonderful time in one of their special reconnaissance units. In the team, my part-time role is what the Israeli Defense Forces call a 'builder' - in other words, someone who can hide anything in any environment, whether it's a person, the entire team, or a vehicle.

　　什么是偽裝?在過去服役的時候，我曾經擔任過教員，來培訓那些新的“建造者”，我在每一堂入門課上問年輕士兵的第一個問題是：“偽裝這個詞對你來說意味著什么？”大多數人的答案分成兩部分——隱藏或消失。雖然這兩個詞聽起來可能都是正確的，但這兩個詞實際上代表了一個長期存在的誤解，即當一個人在達成隱蔽效果時考慮了太多的任務需求因素，而忘記了偽裝的本真。長話短說，在大多數時候(除了撤離或特種偵察)，偽裝都是觀察任務的早期階段和條件之一。偽裝的目的不僅是隱藏或讓你消失，而是讓你成為環境的一部分，讓你可以安全地觀察、記錄或回應。在離目標一兩百米遠的地方，完全融入到自然環境中生活72小時(或更長時間)，同時還能180°觀察到目標點周圍的風吹草動，聽起來是不是天方夜譚。這就是偽裝，就是操縱的藝術，是對現實的控制。

　　What is disguise? When I served in the past, I served as a teacher to train new "builders". The first question I asked young soldiers in every introductory class was, "What does the word camouflage mean to you?" Most people's answers were divided into two parts - hiding or disappearing. Although both of these words may sound correct, they actually represent a long-standing misconception that when a person considers too many task requirements factors in achieving a covert effect, they forget the true essence of disguise. To make a long story short, in most cases (except for evacuation or special reconnaissance), camouflage is one of the early stages and conditions of observation missions. The purpose of disguise is not just to hide or make you disappear, but to make you a part of the environment, allowing you to safely observe, record, or respond. Living completely immersed in the natural environment for 72 hours (or longer) at a distance of one or two hundred meters from the target, while also being able to observe the wind and grass movements around the target point at a 180 ° angle, sounds like a fantasy. This is disguise, the art of manipulation, the control of reality.

　　偽裝的基礎行動中，偽裝的要素有三個。這些因素在任何偽裝構建過程中都是主要原則。隱藏：隱藏的要點是設置一個物理上的屏障，通常在視覺上與周圍環境相分離。融合：通過模仿周圍環境，將不同的元素組合成一個單一的實體，從而達到不顯眼或和諧的效果。成功與失敗主要取決于正確地確定方位/地點/隱藏面。喬裝：簡而言之，喬裝是我們改變現有形狀或形式的一種行為。我們這樣做是為了消除或創造特定的指標，如氣味、形狀或光澤。舉個例子，就比如我往吉利服上或者觀察點上添加一些植被，可以達到瞞天過海的效果

　　In the basic action of disguise, there are three elements of disguise. These factors are the main principles in any camouflage construction process. Hiding: The key to hiding is to set up a physical barrier, usually visually separated from the surrounding environment. Fusion: By imitating the surrounding environment, different elements are combined into a single entity to achieve an inconspicuous or harmonious effect. Success and failure mainly depend on correctly determining the direction/location/hidden surface. Dressing up: In short, dressing up is an act of changing our existing shape or form. We do this to eliminate or create specific indicators such as odor, shape, or gloss. For example, if I add some vegetation to the Geely suit or observation point, it can achieve the effect of concealing the truth

　　目標指標知識就是力量。在戰術層面上，完美偽裝的關鍵之一是要有能力去理解，我在目標地帶的存在會產生什么樣的不尋常特征，從而導致我的暴露。目標指標是指我在一個特定的環境中創造了什么特征。在某些情況下，這些指標通常可以歸納為曝光度、位置和距離。我們觀察的方式是多樣的，敵人有兩個手段可以接收和察覺到我的存在。第一個同時也是最古老的，是我們人類的感官，而另一個是技術手段。

　　Knowledge of target indicators is power. On a tactical level, one of the key to perfect camouflage is the ability to understand what unusual features my presence in the target area will produce, leading to my exposure. The target indicator refers to what characteristics I have created in a specific environment. In some cases, these indicators can usually be summarized as exposure, position, and distance. Our ways of observation are diverse, and the enemy has two means to receive and detect my presence. The first and oldest is our human senses, while the other is technological means.

　　人類的感官雖然嗅覺、聽覺和觸覺是最大眾化的感官，但這些感官通常在短距離內發揮作用，對觀測的作用不大。在這種情況下，讓我們把議點集中在視覺上。視覺是目前為止人類最可靠的感官。人類的視覺80%的時間都用來收集信息和定位。那么，什么樣的視覺特征會導致我的暴露呢?簡而言之:形狀——例如，帳篷或汽車的對稱形狀在自然界中并不存在。這些人造物和人體輪廓(T型輪廓)是最直接的視覺破綻。輪廓——技術上與形狀差不多，但需要多加考慮下背景方面。一個很好的例子就是一個士兵走在山脊線上，天際線就是他最閃耀的背景板，或者有人穿著深色的衣服在黑暗中靠在白色的墻壁上。目標特征十分清楚，下一秒就會有炮彈飛過來。光澤——與偽裝表面相關。由直射光或反射光引起的光斑或反光都需要考慮在內。皮膚，設備或織物，都有可能反光。常見的例子是手表、皮膚或光學設備，都可以折射光線，或者形成漫反射。陰影——人們之前聊到偽裝時對此著力不多，陰影實際上是非常適合做文章的，很容易被人類的眼睛區分，具體效果取決于它的強度。例如，野外的洞穴在幾英里外就很顯眼，很容易辨認，所以我們從不把觀測點設在洞穴里。總而言之，我們將陰影分為三個子類別——包含、陰影、投射。顏色——這個就很好理解了。如果我穿著粉紅色的連帽衫去參加3k黨（美國種族歧視組織，成員都穿白色罩袍）的聚會，可能在5分鐘后我身邊就一個人都沒有了。

　　Although smell, hearing, and touch are the most popular senses in humans, these senses usually function at short distances and have little impact on observation. In this case, let's focus the discussion on the visual aspect. Vision is currently the most reliable sense for humans. Human vision spends 80% of its time collecting information and locating. So, what visual features would cause my exposure? In short, the symmetrical shape of a tent or car, for example, does not exist in nature. These artificial objects and human body contours (T-shaped contours) are the most direct visual flaws. Contour - technically similar to the shape, but requires careful consideration of the background. A good example is a soldier walking on a ridge, with the skyline being his brightest backdrop, or someone wearing dark clothes leaning against a white wall in the darkness. The target features are very clear, and a shell will fly over in the next second. Gloss - related to camouflage surfaces. Spot or reflection caused by direct or reflected light needs to be taken into account. Skin, devices, or fabrics may all reflect light. Common examples are watches, skin, or optical devices, all of which can refract light or form diffuse reflection. Shadows - When people talk about camouflage before, they don't put much effort into it. Shadows are actually very suitable for writing articles and can be easily distinguished by human eyes. The specific effect depends on its strength. For example, caves in the wild are very conspicuous and easy to identify from miles away, so we never set up observation points in caves. In summary, we categorize shadows into three subcategories - including, shadows, and projections. Color - that's easy to understand. If I wear a pink hoodie to attend a gathering of the 3k party (a racial discrimination organization in the United States, where members wear white robes), there may be no one around me in 5 minutes.

　　基于目標指標/多光譜感知的技術天啊，這才是真正的挑戰。我要冒天下之大不韙，說句老實話：吉利服在今天變得越來越不重要了。在我們深入研究愛因斯坦理論之前，先得了解，有很多不同儀器的主要波長都可以用來找到你:紅外線/近紅外-用于夜視儀、SWIR照相機等。例如，使用主動近紅外照明的夜視設備可以觀察人或動物而不被發現。紫外線-紫外線輻射存在于陽光中。有紫外線能力的設備是很好的，例如在雪地環境中。熱量-你產生的熱量與環境中的背景溫度不同，例如早晨的地面或晚上的樹。設備會在不同物體的冷熱之間設置清晰的分界，從而產生漂亮的形狀，這對于使用設備的人來說很容易區分。雷達(電臺)——雷達系統由發射機產生電磁波,一個發射天線,一個接收天線，可以來捕獲任何回饋對象的路徑釋放信號,接收器和處理器用來確定對象的屬性。雖然到目前為止，這項技術的主要應用是探測天氣形態、船只、建筑物等，但有許多設備可以偵測車輛甚至人的準確位置。說來話長，很難操縱。這些設備已經應用于戰術層面。在波長范圍內工作的設備幾乎不可能漏掉你。唯一的解決辦法是理解人類通過視覺看到的東西，并操縱最終的結果。人類和環境發出不同的信號，這些信號可以被不同波段的不同技術設備接收到并加以辨別。我們眼睛中的視錐細胞是這些微小可見光波的接收器，而太陽是可見光波的天然來源，我們的眼睛可以看到周圍物體反射的太陽光。我們看到的物體的顏色是反射光的顏色。其他顏色都被吸收了。例如，燈泡，你能說清楚它實際上的顏色和所謂的真正顏色嗎？那就是個哲學問題了。從技術上講，我們是看不見的許多波長的光的。使用能夠探測不同波長的光的儀器來幫助我們研究地球和宇宙就變得很重要。然而，由于可見光是我們肉眼可見的電磁波譜的一部分，所以我們的整個世界都是圍繞著它轉的。直到最近，隨著科技的進步，人類慢慢破解了其他光波的存在。我們開始通過不同的設備來觀察這些特征。自從視覺偽裝在戰爭和沖突中成為一種動態平衡的優勢以來，各國軍隊已經開始尋找或研究利用這些波長來探測特定環境中特定物體的特征的可能性，通過比較其反射率值、形狀等，老一套偽裝方案可能不再適用。

　　Based on target indicators/multispectral perception technology, this is the real challenge. I'm going to risk the world's reputation. To be honest, Geely clothing is becoming less and less important today. Before delving deeper into Einstein's theory, it is important to understand that there are many different instruments with their main wavelengths that can be used to find you: infrared/near-infrared - used for night vision devices, SWIR cameras, etc. For example, night vision devices using active near-infrared illumination can observe people or animals without being detected. Ultraviolet radiation - Ultraviolet radiation exists in sunlight. Devices with ultraviolet capability are great, such as in snowy environments. Heat - The heat you generate is different from the background temperature in the environment, such as the ground in the morning or trees at night. The device will set clear boundaries between the hot and cold of different objects, resulting in beautiful shapes that are easy for users to distinguish. Radar (Radio) - The radar system generates electromagnetic waves from a transmitter, with one transmitting antenna and one receiving antenna, which can capture the path release signal of any feedback object. The receiver and processor are used to determine the properties of the object. Although the main application of this technology so far has been to detect weather patterns, ships, buildings, etc., there are many devices that can detect the accurate location of vehicles and even people. It's a long story and difficult to manipulate. These devices have been applied at the tactical level. Devices operating within the wavelength range are almost impossible to miss you. The only solution is to understand what humans see through vision and manipulate the final outcome. Humans and the environment emit different signals, which can be received and distinguished by different technological devices in different frequency bands. The cone cells in our eyes are the receivers of these tiny visible light waves, and the sun is a natural source of visible light waves. Our eyes can see the sunlight reflected by surrounding objects. The color of the object we see is the color of the reflected light. All other colors have been absorbed. For example, a light bulb, can you clearly state its actual color and the so-called true color? That's a philosophical question. Technically speaking, there are many wavelengths of light that we cannot see. It has become important to use instruments that can detect light of different wavelengths to help us study the Earth and the universe. However, since visible light is a part of the electromagnetic spectrum visible to the naked eye, our entire world revolves around it. Until recently, with the advancement of technology, humans have gradually deciphered the existence of other light waves. We started observing these features through different devices. Since visual camouflage has become a dynamic balance advantage in wars and conflicts, armies around the world have begun to search for or study the possibility of using these wavelengths to detect the characteristics of specific objects in specific environments. By comparing their reflectivity values, shapes, etc., the old camouflage schemes may no longer be applicable.

　　總結偽裝不是隱藏，絕對不僅僅是穿一件吉利服或者挖一個一公里深的狐貍洞那么簡單。這是一個循環過程，從理解開始，到實操結束。我敢說，由于科技的進步，現在的吉利服在現代戰場的作用越來越小了。捕食者們使用的先進器材，如SWIR或先進的熱成像相機，是很難對抗的，除非你知道設備型號，接口參數，和使用它的人。正如阿爾伯特·愛因斯坦曾經說過的，技術已經超越了我們的人性。

　　Summary: Disguise is not hiding, it is definitely not as simple as wearing a lucky outfit or digging a one kilometer deep fox hole. This is a cyclical process, starting from understanding and ending with practical implementation. I dare say that due to technological advancements, the role of Geely clothing in modern battlefields is becoming increasingly limited. The advanced equipment used by predators, such as SWIR or advanced thermal imaging cameras, is difficult to counter unless you know the device model, interface parameters, and the person using it. As Albert Einstein once said, technology has surpassed our humanity.

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